Canon BJC 6000 - Color Inkjet Printer, Service Manual

Page 1: ...QY8 1361 000 JAN 1999 COPYRIGHT 1999 CANON INC CANON BJC 6000 SE 0199 0 30 0 PRINTED IN JAPAN IMPRIME AU JAPON REVISION 0 ...

Page 2: ...0199 SE 0 30 0 ...

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Page 4: ... and company names appearing in this manual are the registered trademarks or trademarks of the individual companies Copyright This manual is copyrighted and all rights reserved Under the copyright laws this manual may not be copied reproduced or translated into other languages in whole or in part without the express written consent of Canon Inc except in the case of internal business use Copyright...

Page 5: ...tructions This part explains how to operate the unit properly how it is installed and how to use the service mode Part 4 Technical Reference This part outlines the unit operation giving a technically Part 5 Maintenance This part explains maintenance of the unit It includes details of disassembly assembly adjustments required when assembling troubleshooting procedures and wiring circuit diagrams et...

Page 6: ...N SERVICING 1 11 3 1 EEPROM Data 1 12 3 2 Static Electricity 1 13 3 3 Disassembly and Reassembly 1 14 3 4 Self Diagnosis Part 2 PRODUCT SPECIFICATIONS 2 1 1 PRODUCT OUTLINE 2 1 1 1 Outline 2 2 1 2 Features 2 3 1 3 BJ Cartridge 2 3 1 3 1 Black BJ cartridge 2 3 1 3 2 Color BJ cartridge 2 4 1 3 3 Photo BJ cartridge 2 4 1 4 BJ Cartridge Container 2 5 1 5 Consumables 2 5 1 5 1 Black color and photo BJ ...

Page 7: ...6 4 Resetting EEPROM 3 21 3 6 5 Model setting 3 21 3 6 6 Automatic head position adjustment Part 4 TECHNICAL REFERENCE 4 1 1 OVERVIEW 4 1 1 1 Printer Block Diagram 4 2 1 2 Power On Sequence Flowchart 4 3 1 3 Flow of Print Signals 4 4 1 4 Print Driving 4 4 1 4 1 Print drive control 4 6 1 4 2 Print drive method 4 9 1 5 Power Off Sequence Flowchart 4 10 2 FIRMWARE 4 10 2 1 Interface 4 10 2 1 1 Compat...

Page 8: ...upply Unit 4 42 5 DETECTION FUNCTIONS 4 42 5 1 Detection with Sensors 4 42 5 1 1 Home position sensor 4 42 5 1 2 Paper end sensor 4 42 5 1 3 Print position sensor 4 43 5 1 4 Ink sensor 4 43 5 1 5 Cover sensor 4 43 5 1 6 Pump sensor 4 43 5 1 7 Printer temperature sensor TH201 4 44 5 1 8 Head temperature sensor 4 44 5 2 Other Detection Functions 4 44 5 2 1 Waste ink amount detection 4 44 5 2 2 BJ ca...

Page 9: ...oubleshooting Overview 5 13 6 1 1 Overview 5 13 6 1 2 Notes on troubleshooting 5 15 6 2 Diagnosis 5 15 6 2 1 Initial flowchart 5 18 6 2 2 Action 5 36 7 CONNECTOR POSITIONS AND PIN ASS 5 36 7 1 Control Board 5 40 7 2 Carriage Board 5 43 7 3 BJ Cartridge 5 44 7 4 AC adapter 5 44 7 5 DC power supply cable 5 45 7 6 Carriage Motor 5 45 7 7 Paper Feed Motor 5 46 7 8 Ink Sensor 5 46 7 9 Print Position Se...

Page 10: ...16 Figure 2 11 Timing Chart ECP mode Part 3 OPERATING INSTRUCTIONS 3 1 Figure 3 1 Packaging 3 2 Figure 3 2 Printer Dimensions 3 3 Figure 3 3 Connecting the Interface Cable 3 3 Figure 3 4 Connecting the Power Cord 3 4 Figure 3 5 Removing Head Cap and Tape from BJ Cartridge 3 5 Figure 3 6 Installing BJ Cartridges 3 6 Figure 3 7 Installing the Ink Tanks 3 7 Figure 3 8 Replacing an Ink Tank 3 8 Figure...

Page 11: ...it 4 35 Figure 4 29 Operation of the Drive Switching Unit 4 36 Figure 4 30 Printer s Electrical System 4 37 Figure 4 31 Control Unit Block Diagram 4 37 Figure 4 32 Control Unit Function Diagram 4 38 Figure 4 33 Control Board 4 41 Figure 4 34 Power Supply Unit Block Diagram 4 42 Figure 4 35 Sensor Positions 4 43 Figure 4 36 Ink Sensor Part 5 MAINTENANCE 5 3 Figure 5 1 Grease Points 5 4 Figure 5 2 U...

Page 12: ...VIII IV TABLE INDEX Page Part 3 OPERATING INSTRUCTIONS 3 12 Table 3 1 Error Indications Part 4 TECHNICAL REFERENCE 4 14 Table 4 1 Print Mode List 4 23 Table 4 2 Signal Contacts ...

Page 13: ...rts 1 2 1 2 Ink Stains 1 4 1 3 Live Electrical Parts 1 5 2 MACHINE PRECAUTIONS 1 5 2 1 BJ Cartridges 1 7 2 2 Ink Tanks 1 8 2 3 Printer Handling 1 11 3 NOTES ON SERVICING 1 11 3 1 EEPROM Data 1 12 3 2 Static Electricity 1 13 3 3 Disassembly and Reassembly 1 14 3 4 Self Diagnosis ...

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Page 15: ... cable The paper feed motor related moving parts include the paper feed gears paper feed rollers pinch rollers eject roller gears spurs and pick up rollers To prevent injuries the printer will stop after moving the carriage to the cartridge replacement position if the cover is opened 1 1 BJC 6000 Part 1 Safety and Precautions Carriage Ribbon Cable Pressure Roller Idler Pulley Paper Feed Gear Eject...

Page 16: ...tains glycerin 56 81 5 and isopropyl alcohol 67 63 0 The cyan magenta photo cyan photo magenta and photo black ink contain glycerin 56 81 5 isopropyl alcohol 67 63 0 ethylene glycol 107 21 1 and diethylene glycol 111 46 6 Be careful not to get the ink into your mouth or eyes If the ink gets into your eyes wash with plenty of water and consult a doctor In case you have swallowed a large amount of i...

Page 17: ...zzles or ink mist bouncing back from the paper could accumulate and contaminate the platen front cover as well as the periphery of the purge unit Carefully wipe off the ink mist with a dampened soft cloth so that hands or clothing will not be stained by contaminated parts during servicing 1 3 BJC 6000 Part 1 Safety and Precautions Front Cover Platen Figure 1 3 Ink Mist ...

Page 18: ... of the printer is live even if the power is switched off with the POWER button Be careful not to get an electric shock or damage sensitive elements if you are checking a live printer with the cover removed Part 1 Safety and Precautions BJC 6000 1 4 Control Board Figure 1 4 Live Electrical Parts ...

Page 19: ...e in the printer or store it in the cartridge container Do not reuse head caps or protective tapes which have been removed The BJ cartridge must be installed in the printer or stored in the cartridge container with its ink tanks installed If the BJ cartridge is installed or stored with its ink tanks removed the nozzles could clog due to foreign matter or dried ink Do not attempt to disassemble or ...

Page 20: ...ter or stored in the cartridge container This also applies when carrying transporting or storing the printer If the BJ cartridge is left in open air out of the printer or cartridge container foreign matter or dried ink may clog the nozzles resulting in poor print quality 2 1 4 Ink s electroconductivity The ink in the BJ cartridge conducts electricity If ink is spilt in the printer s mechanical par...

Page 21: ...nk tank s ink supply piece After removing the cap from the ink tank supply piece promptly install the ink tank in the BJ cartridge to prevent the nozzles from clogging due to dried ink Do not remove the ink tank from the BJ cartridge unless you are replacing it If a nozzle clogs or otherwise ink fails to be fed normally print quality degrades and typically a fine horizontal blank line appears in p...

Page 22: ...their small surface contact area the tips cleaned by the spur cleaners will not stain the printed paper However if the tips are bent and their surface contact area increases they collect more ink and are not easily cleaned by the spur cleaners and thereby stain the printed paper by making dotted lines on it Part 1 Safety and Precautions BJC 6000 1 8 Spurs Figure 1 8 Spurs ...

Page 23: ...ody If you touch electrical elements the discharge of static electricity could damage them or change their electrical characteristics For this reason never touch the sensor contacts or the printer s BJ cartridge contacts 1 9 BJC 6000 Part 1 Safety and Precautions Ink Sensor Contact Points Contact Points Figure 1 9 Damage Due to Static Electricity ...

Page 24: ...age in position with the lock arm If electric power is not available to the printer during transportation for example this automatic capping and locking is not available In this case manually move the carriage to the capping position and secure it with tape to ready the printer for transportation Part 1 Safety and Precautions BJC 6000 1 10 Tape Figure 1 10 Capping Position ...

Page 25: ...ROM because the data is not defined 3 After the waste ink absorber is replaced After replacing the waste ink absorber as prompted by the waste ink full alarm clear the data on the EEPROM Once cleared the EEPROM data cannot be restored cannot be checked with a test print Always check the EEPROM data with a test print before clearing it The data includes information on the user settings the total sh...

Page 26: ...f the static electricity could damage them or change their electrical characteristics To prevent damage due to such electrostatic discharge ground yourself by touching a metal fitting which is grounded before disassembling or otherwise servicing the printer Part 1 Safety and Precautions BJC 6000 1 12 Control Board AC Adapter Figure 1 11 Control Board and Other Electrical Components ...

Page 27: ...rts Do not apply excessive force to them In particular take care not to break or deform plastic hooks during disassembly Some plastic parts contain glass fibers to conform to tight dimensional tolerances Plastic hooks are among such parts lacking flexibility and are easily broken Do not forcibly disengage them using a screwdriver 1 13 BJC 6000 Part 1 Safety and Precautions Hook Never apply excessi...

Page 28: ...to detect hardware defects The results of the diagnosis are indicated by the indicator and power lamp flashing on the operator panel as well as by the buzzer For details refer to Part 3 3 1 Error Indications Page 3 12 Part 1 Safety and Precautions BJC 6000 1 14 ...

Page 29: ...1 1 PRODUCT OUTLINE 2 1 1 1 Outline 2 2 1 2 Features 2 3 1 3 BJ Cartridge 2 4 1 4 BJ Cartridge Container 2 5 1 5 Consumables 2 6 2 SPECIFICATIONS 2 6 2 1 General Specifications 2 8 2 2 Paper Specifications 2 10 2 3 Interface Specifications ...

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Page 31: ...se a Color BJ cartridge and Photo BJ cartridge combination achieves six color printing whose quality is as good as a color photograph The BJ cartridges use ink tanks which can be replaced individually and whose tank material is translucent for easier ink level checking contributing to lower running cost 2 1 BJC 6000 Part 2 Product Specifications Operator Panel Paper Guide Front Cover Paper Output ...

Page 32: ... line nozzle head 48 nozzles for each of three colors Individually replaceable ink tanks for high cost performance Black ink tanks Pigment black ink tank Color ink tanks Yellow magenta and cyan ink tanks Photo ink tanks Dye black magenta and cyan ink tanks Ink out detection and translucent ink tanks for easier ink level checking High speed printing 8 0 PPM black printing or 5 0 PPM color printing ...

Page 33: ...mately 500 pages of a standard 1500 character print pattern in HQ mode 1 3 2 Color BJ cartridge The Color BJ cartridge mounted on the right side of the carriage is a disposable print head with 144 in line nozzles and accommodates replaceable yellow magenta and cyan ink tanks It has 144 nozzles 48 nozzles for each of the three colors aligned vertically It uses drop modulation technology for high sp...

Page 34: ... issued or if satisfactory printing cannot be achieved even after the stipulated cleaning and head refreshing operations have been performed It is recommended to replace any cartridge which is at least six months old i e unpacked at least six months earlier The Photo BJ cartridge has a life of approximately 3000 pages and a new color ink tank provides for approximately 280 pages of a 7 5 duty patt...

Page 35: ...d photo black photo magenta and photo cyan ink tanks for the Photo BJ cartridge The ink tanks are usable for six months after they are unpacked A black ink tank provides for approximately 500 pages of a standard 1500 character text pattern in HQ mode A color ink tank provides for approximately 280 pages of a 7 5 duty pattern in HQ mode A photo color ink tank provides for approximately 280 pages of...

Page 36: ...ts 1 sheet T shirts transfer 1 sheet 4 Printing speed Black printing 788 cps in high speed mode 567 cps in standard speed mode Color printing About 1 6 ppm in high speed mode 1 2 ppm in standard speed mode Photo printing 0 18 ppm in high quality mode 5 Printing direction HS mode Bi directional HQ mode Bi directional for 360 x 360 dpi Uni directional for 720 x 720 dpi Fine mode Uni directional 6 Pr...

Page 37: ...ks Photo black photo cyan and photo magenta Cartridge service life Approx 3000 pages 7 5 duty HQ mode Ink tanks Photo black photo cyan and photo magenta Ink tank service life Approx 280 pages 7 5 duty HQ mode Cartridge weight Approx 60 g without ink tanks 13 Detection functions Cover open Yes BJ cartridge installed Yes Print position detection Yes BJ cartridge identification Yes 14 Acoustic noise ...

Page 38: ...203 x 1673 mm to 203 x 1779 mm Free 100 x 100 mm to 216 x 584 mm 2 Paper types Plain paper Weight 64 to 105 g m2 for auto sheet feeder 64 to 500 g m2 for manual feed Thickness max 0 6 mm thick max 297 mm long Government Postcard weight max 190 g m2 max 0 23 mm thick Canon BJ printer High resolution paper Glossy photo paper Glossy photo film Transparencies Back print film Banner paper long type Not...

Page 39: ...mm 3 0mm 7 0mm 3 4mm 3 4mm 3 0mm 7 0mm 6 4mm Com 10 31 4 mm DL size 10 4 mm Envelope 21 0mm 22 6mm 28 0mm 1 22 5mm 2 27 0mm 1 18 5mm 2 26 5mm A4 A5 and B5 sizes A4 and letter LTR sizes Letter LTR and legal LGL sizes Postcard size Note The printable area for thick paper is equa l to that for postcards 1 Monochrome printing 2 Color or photo printing Recommended printing area Printable area Figure 2 ...

Page 40: ... Compatible mode No Signal I O No Signal I O 1 STROBE IN 19 STROBE RET 1 2 DATA1 IN 20 DATA1 RET 3 DATA2 IN 21 DATA2 RET 4 DATA3 IN 22 DATA3 RET 5 DATA4 IN 23 DATA4 RET 6 DATA5 IN 24 DATA5 RET 7 DATA6 IN 25 DATA6 RET 8 DATA7 IN 26 DATA7 RET 9 DATA8 IN 27 DATA8 RET 10 ACKNLG OUT 28 ACKNLG RET 11 BUSY OUT 29 BUSY RET 12 P E OUT 30 P E RET 13 SELECT OUT 31 INIT IN 14 AUTO FEED XT 4 IN 32 ERROR OUT 15...

Page 41: ... 34 N C 1 17 Gnd 35 N C 1 18 Vcc 36 1284Active IN 1 N C means no connection ECP mode No Signal I O No Signal I O 1 HostClk IN 19 Signal Gnd 2 Data1 IN OUT 20 Signal Gnd 3 Data2 IN OUT 21 Signal Gnd 4 Data3 IN OUT 22 Signal Gnd 5 Data4 IN OUT 23 Signal Gnd 6 Data5 IN OUT 24 Signal Gnd 7 Data6 IN OUT 25 Signal Gnd 8 Data7 IN OUT 26 Signal Gnd 9 Data8 IN OUT 27 Signal Gnd 10 PeriphClk OUT 28 Signal G...

Page 42: ...fails to feed paper As this signal goes H BUSY goes H and SELECT and ERROR go L This signal goes L when paper is set and fed At this time both ERROR and SELECT go H If the paper eject operation fails to eject paper paper jam this signal also goes H BUSY goes H SELECT goes L and ERROR goes L Simply removing jammed paper from the printer does not automatically reset this signal SELECT Output The pri...

Page 43: ...s bit 2 and bit 6 of data to be sent During negotiation this is the trigger signal for notifying the host computer of the printer s mode settings whether nibble mode is supported reverse transmission data is available etc Xflag Output In the reverse data transmission phase this signal serves as bit 1 and bit 5 of data to be sent During negotiation this signal tells the host computer whether or not...

Page 44: ...k Output This signal is always H when data is sent from the host computer to the printer In the reverse data transmission phase this signal goes L to notify that data has been output to the host computer This signal goes H in response to the L to H rising edge of Host Ack from the host computer Periph Ack Output When data is to be sent from the host computer to the printer the printer makes this s...

Page 45: ...ward data transmission idle phase is to change to the reverse data transmission phase data is to be sent from the printer to the host computer Periph Req Output The printer makes this signal L to ask the host computer to change the forward data transmission phase to the reverse data transmission phase When the host computer notifies the printer that the forward data transmission phase is to change...

Page 46: ...l Xflag Negotiation Setup Data Transmission from printer to host computer Printer Busy Status Figure 2 10 Timing Chart Nibble mode 0001 0000 1284 Active Data 1 8 Host Ack Host Clk Periph Clk Xflag Periph Ack Periph Req Byte0 Byte1 Cmd Ack Reverse DATA Periph Ack HIGH Negotiation Setup Data Transmission from computer to printer Termination Figure 2 11 Timing Chart ECP mode ...

Page 47: ...tion 3 10 1 4 Names of Parts and Their Functions 3 11 2 TRANSPORTING THE PRINTER 3 11 2 1 Transporting the Printer 3 12 3 PRINTER SERVICE FUNCTIONS 3 12 3 1 Error Indications 3 13 3 2 Description of Error Indications 3 14 3 3 BJ Status Monitor 3 15 3 4 Function Settings 3 16 3 5 Off Line Operations 3 18 3 6 Service Mode ...

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Page 49: ...ing make sure the items below are included 3 1 BJC 6000 Part 3 Operating Instructions Figure 3 1 Packaging Quick Start Guide Packing Ink Tanks Packing Printer Cartridge Container BJ Cartridges Documentation Packing Carton Tape Packing Tape Tape ...

Page 50: ...e printer where it is subject to direct sunlight or where it may be subject to rapid fluctuations in temperature such as close to air conditioners Also do not leave the printer in a car where it may be subject to a rapid rise in temperature Do not install the printer where it may be subject to excessive amounts of dust or subject to sea breezes or other sources of salinity Do not install close to ...

Page 51: ...ord 1 Connect the plug of the power cord to a wall outlet 2 Press the printer s POWER button The buzzer sounds and the POWER lamp blinks in green indicating that the printer is in the initialization process After initialization the POWER lamp lights in green If BJ cartridges are not installed the POWER lamp lights in orange the buzzer sounds six times and the carriage moves to the cartridge replac...

Page 52: ...e tape from the cartridge as shown in the figure below Do not reuse head caps or the protective tape that has been removed from a BJ cartridge It may cause of nozzle clogging or mixing of inks Be careful not to touch the nozzles when removing the tape otherwise the nozzles may be damaged or collect dirt resulting in poor printing Do not shake the BJ cartridge after removing the head cap and tape a...

Page 53: ... are not installed correctly the carriage may fail to return to its home position when the cover is closed In this case ensure that the BJ cartridges are installed firmly in the correct position If the carriage does not return to the home position refer to Part 5 6 TROUBLESHOOTING Page 5 13 If the front cover is left open for ten minutes with both BJ cartridges installed the buzzer sounds for 30 s...

Page 54: ...rtridge lock lever to remove the BJ cartridge Replace the cartridge with another one and lower the cartridge lock lever to secure it When the front cover is closed the printer starts the BJ cartridge initializing process approx 30 seconds Store the removed cartridge in the cartridge container When switched OFF the printer moves the carriage to the capping position so that it is locked in place by ...

Page 55: ... not improve even with a new ink tank installed perform cleaning operations 1 5 times If this does not solve the problem replace the BJ cartridge 2 Removing an ink tank Open the printer s front cover to have the carriage move to the cartridge replacement position Press the unlock tab of the ink tank and remove the ink tank The ink supply pieces and nearby areas of the ink tank may be stained with ...

Page 56: ...d by dried ink The cartridge container can hold one Black Color or Photo BJ cartridge Always store a BJ cartridge in the cartridge container with ink tanks installed in place otherwise ink may leak or dry up Do not shake or drop the cartridge container containing a BJ cartridge otherwise ink may leak or the BJ cartridge or the cartridge container may be damaged Part 3 Operating Instructions BJC 60...

Page 57: ...en may be smeared with ink 3 9 BJC 6000 Part 3 Operating Instructions Figure 3 10 Print Position Adjustment Pattern LED calibration 360 dpi vertical alignment adjustment 360 dpi bi directional rough adjustment 180 dpi bi directional fine adjustment 360 dpi horizontal alignment forward rough adjustment 360 dpi horizontal alignment forward fine adjustment 360 dpi horizontal alignment reverse rough a...

Page 58: ...his button to make the printer ready RESUME button Not lit when powered off When lit in green the printer is ready to print When lit or blinking in orange an error has occurred and the print cannot print Indicator Use this lever to secure the BJ cartridges to the carriage Raise it to remove the BJ cartridge Cartridge Lock Lever Use this selector to adjust the gap between the print head and the pap...

Page 59: ...power cord from the wall outlet 4 Open the front cover and check that the carriage is locked in the capping position on the right side of printer If the carriage is not in the capping position move it manually to the capping position and secure it there with tape 5 Close the cover 6 Pack the printer in its original packing in its original carton If the original packing materials are not available ...

Page 60: ...ge error Lights in Orange 7 times Page 5 28 Waste ink warning Lights in Orange 8 times Auto head adjustment error Lights in Orange 9 times Page 5 29 Unrecoverable by user ROM error Blinks in Orange 1 time 10 times Page 5 18 RAM error Blinks in Orange 2 times 10 times Page 5 18 EEPROM error Blinks in Orange 3 times 10 times 6800 Page 5 18 Home position error Blinks in Orange 4 times 10 times 5100 P...

Page 61: ... defective broken circuit or otherwise fails to detect home position 13 Temperature sensor error The thermal sensor TH201 on the logic board is defective broken circuit 14 Waste ink full error The calculated and stored in EEPROM amount of waste ink absorbed has reached the 100 of defined absorbing capacity 15 Head temperature error The inside temperature of the BJ cartridge is too high This error ...

Page 62: ...talled and the ink out warnings of ink tanks by icon and name 4 Can be used to abort the current print job 3 3 2 Items displayed on the BJ status monitor 1 Printer designation 2 Document name 3 Printer conditions including error codes and recommended recovery methods 4 Date and time of print start 5 Progress status 6 Number of pages printed 7 Print job abortion 8 BJ cartridge identification icons ...

Page 63: ...ing disabled by default See Page 4 16 Enable automatic head position adjustment following BJ cartridge replacement disabled by default Enable manual head position adjustment disabled by default In the special custom menu special custom service mode Economic cleaning disabled by default Cleaning operation at power up is omitted if the printer has been switched off for less than 72 hours Enabling th...

Page 64: ...to the computer and perform the print head cleaning from the computer using the printer driver utility 3 5 2 Nozzle check pattern printing With the printer powered on hold down the RESUME button and after confirming two beeps release the RESUME button The nozzle check pattern printing will start feeding a sheet which must be of B5 size or larger from either the auto sheet feeder or the manual feed...

Page 65: ...Yellow Cyan Magenta 48 nozzles 48 nozzles 48 nozzles Large dot printing Small dot printing Printed with the first nozzle Printed with the first nozzle Printed with the 160th nozzle Black 160 nozzles Printed with the 48th nozzle Printed with the 160th nozzle Printed with the 48th nozzle Printed with the first nozzle Printed with the first nozzle 360 dpi vertical 180 dpi horizontal forward 180 dpi h...

Page 66: ...er clear 4 times Green Model setting 5 times Orange Automatic head position adjustment operations 6 times or more Green Power off 4 Execute the function you have selected except for model setting by pressing the POWER button The buzzer will sound once The printer will switch off itself after performing the function For the model setting function select BJF600 or BJC 6000 by pressing the RESUME but...

Page 67: ...ead BC xx BC xx HeadTemp0 xxx x HeadTemp1 xxx x EnvironmentTemp xxx x Bk xxxxxxxxxx Cl xxxxxxxxxx Ph xxxxxxxxxx Factory Area xx xx xx xx xx xx xx xx LostInkCount xx x Destination xx Total waste ink amount absorption ratio of the waste ink absorber ROM version Model Currently installed left and right cartridges Total number of pages passed when using Photo Color cartridge Total number of pages pass...

Page 68: ...0 08 00 00 00 08 00000080 00 00 00 72 00 00 00 2E 00 00 00 30 83 00 00 00 00000090 3C 00 00 10 10 0C 0C 08 0C 10 0C 0C 0C 10 0C 0C 000000A0 0C 04 00 08 00 0C 0C 00 FD 07 00 00 04 04 00 00 000000B0 00 00 00 00 04 04 00 00 00 00 00 00 00 00 00 00 000000C0 00 00 00 00 15 0B BB 19 35 1A D5 C6 13 0A 46 61 000000D0 04 19 57 AB 98 1A 72 13 00 45 93 6B 46 34 63 E3 000000E0 35 36 30 30 35 36 30 30 35 36 30...

Page 69: ...art 3 3 6 1 Service mode operations Page 3 18 3 6 5 Model setting The control board of this printer is a common component for different printers If you have replaced the control board it is necessary to set the mode setting as initial information For model setting procedures refer to Part 3 3 6 1 Service mode operations Page 3 18 After setting the model setting perform the service factory test pri...

Page 70: ...Part 3 Operating Instructions BJC 6000 3 22 This page intentionally left blank ...

Page 71: ...ignment Function 4 16 2 4 Pause Between Scanning 4 16 2 5 Pause Between Pages 4 16 2 6 Smear Control 4 16 2 7 Auto Power ON OFF 4 16 2 8 Head Overheat Protection 4 17 3 PRINTER S MECHANICAL SYSTEM 4 17 3 1 Overview 4 19 3 2 BJ Cartridge 4 25 3 3 Purge Unit 4 28 3 4 Paper Feed Unit 4 32 3 5 Carriage Unit 4 36 4 PRINTER S ELECTRICAL SYSTEM 4 36 4 1 Overview 4 37 4 2 Control Unit 4 41 4 3 Power Suppl...

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Page 73: ...per Feed Drive Switching Unit Paper Feed Motor Print Position Sensor BJ Cartridge BJ Cartridge Carriage Motor Home Position Sensor Ink Sensor Electronics Cover Sensor Paper End Sensor AC Adapter Motor Control Mechanical Control Printer Temperature Sensor Indicator Control Indicators Switch Detection Operator Panel Buttons 100 VAC CN404 Carriage Interface Control Figure 4 1 Printer Block Diagram ...

Page 74: ...ace if Wrong BJ cartridge configuration is installed BJ cartridge is faulty Printer is set to Economy Cleaning mode EEPROM error ROM error RAM error Waste ink full error Temperature sensor error Head temperature error Head temperature sensor error Error indication Indicator lights green Paper ejection I F busy reset Ready to print Cover open check Ink detection Self cleaning I F busy set Indicator...

Page 75: ...M s print buffer d The printer controller on receiving the Print Start Request allows the DMA to transfer the print data from the print buffer into the printer controller e The printer controller then converts the print data into serial data and sends it as print signal to the BJ head The serial print signal will be converted into one column of parallel print data inside the BJ head The data as th...

Page 76: ...rive control signals These signals are always fed to the head during printing using the Block ENABLE signals BENB 0 1 Even Odd ENABLE signal Even Odd ENB and the Heat Select signals HSEL1A0 1A1 1B0 1B1 2A0 2A1 2B0 2B1 to select the heaters to turn on Turning HENB 0 and 2 on drives the Black BJ cartridge s large heater while HENB 1 and 3 drive the small heater A Heat ENABLE signal consists of a pre...

Page 77: ...r block in all other cases The Heat ENABLE signals HENB 0 1 2 3 are the heater board s drive control signals These signals are always fed to the head during printing using the Block ENABLE signals BENB 0 1 Even Odd ENABLE signal Even Odd ENB and the Heat Select signals HSEL1A0 1A1 1B0 1B1 2A0 2A1 2B0 2B1 to select the heaters to turn on HENB 0 and 2 drive the Photo BJ cartridge s rear heater while...

Page 78: ...8 will be heated by the large heater and No 16 by the small heater 2 The nozzles next to No 16 and No 8 No 15 and No 7 will be heated similarly 3 After nozzles No 8 through No 1 have been heated by the large heater and nozzles No 16 through No 9 by the small heater No 8 through No 1 will be heated by small heater and No 16 through No 9 by the large heater Part 4 Technical Reference BJC 6000 4 6 Fi...

Page 79: ... nozzles print with large dots to increase the printing density f 1440 x 720 dpi small drop drive forward direction control mode This mode allows nozzles 4 nozzles apart from the other to be driven two at a time separately to print small dots at 1 360 intervals 1 Odd Even and Block ENABLE signals cause nozzles No 16 12 8 4 4 nozzles apart one from one another to be heated separately with No 16 and...

Page 80: ...ical Reference BJC 6000 4 8 Figure 4 7 Print Drive Method Reverse direction Carriage right Direction of Carriage Movement Carriage left Carriage right Carriage left Large dot Latch ODD EVEN BENB0 BENB1 HSEL1A0 HSEL1B0 HSEL2A0 HSEL2B0 HSEL1A1 HSEL1B1 HSEL2A1 HSEL2B1 1 360 inch HSEL1A0 Rear HSEL1B0 Front HSEL2A0 Rear HSEL2B0 Front 16 15 14 13 12 11 10 8 5 9 7 6 4 3 2 1 HSEL1A1 Rear HSEL1B1 Front HSE...

Page 81: ...utton to turn off the printer before unplugging the printer 4 9 BJC 6000 Part 4 Technical Reference Figure 4 8 Power Off Sequence Flowchart No cartridge Capping in progress While replacing cartridges neither of the two cartridges is in place Ink detection Cleaning operation Paper ejection Beeper sounds once When BJ cartridge or ink tank is replaced while replacing cartridge Capping Indicator blink...

Page 82: ...ta gets transferred by the handshake between the STROBE BUSY and ACKNLG signals When data Data 1 8 and the STROBE signal are received from the host computer the printer controller controlling the parallel interface outputs BUSY and latches the data on the falling edge of the STROBE signal After outputting BUSY the printer controller transfers the latched data into the receive buffer inside the DRA...

Page 83: ...ends the first four bits of data out on the control signal lines then makes PtrClk low to indicate that the data is valid 3 The host computer receives data after PtrClk has fallen and causes HostBusy to go high when the data has been received 4 The printer repeats the above process to send the remaining four bits of data out to the host computer A signal going high or low means it rises or falls 4...

Page 84: ...r data transfer from printer to host computer 2 After confirming AckReverse is low the printer causes AckReverse to go low to indicate that that reverse transfer is possible 3 The printer sends 1 byte of data out on the data lines and causes PeriphAck to go high to tell that this data is not command but data The printer then causes PeriphClk to go low to tell that this data is valid 4 After confir...

Page 85: ...ly detailed printing 2 2 3 Photo print The photo print uses both the Photo BJ cartridge which uses low density ink and the Color BJ cartridge to provide printing with up to 6 colors of ink By printing in low density image areas with ink of 1 3 normal ink density photo cyan and photo magenta printing with rich gradation and suppressed graininess is possible In the photo print mode each pixel is con...

Page 86: ...ion paper Postcard Standard for speed Standard for quality High quality Highest quality Printing mode Photo color Ink System Photo Color BJ Cartridge L large dot S small dot Bi bi directional Uni uni directional 180 x 180 L 2 1 pass Bi 360 x 360 L 2 1 pass Bi 2 pass Uni 4 pass 2 pass Bi 1 pass Uni 360 x 360 L 2 6 pass Uni 4 pass 360 x 360 L S 4 2 pass Bi 4 pass Uni 3 6 pass Uni 3 4 pass Uni 4 pass...

Page 87: ...ng Position Alignment starts with the calibration of LED and photosensor sensitivity to correct variations between them Then the difference in vertical printing position between the left and right cartridges will be compensated for followed by the adjustment of bi directional printing position for each printing mode and then the adjustment of the horizontal printing position to the accuracy of 1 p...

Page 88: ...wer ON OFF This printer can switch itself on in response to print signals from the host computer and switch itself off if left for a certain period of time without incoming print signals These settings can be made with the printer driver When Auto Power ON is enabled the printer powers on if more than 3 bytes of data are received consecutively Thus the interface unit is enabled even if the printer...

Page 89: ...quirements Each BJ cartridge has detachable ink tanks making it possible to replace only the ink tank 3 1 2 Carriage unit The carriage with two BJ cartridges installed in it moves back and forth along the horizontal width of the paper by the carriage belt driven by the carriage motor The carriage position is controlled by the carriage motor drive pulses after its initial position is detected by th...

Page 90: ...r is supplied either from the auto sheet feeder in auto paper feed mode or from the manual feed slot in manual paper feed mode The auto sheet feeder driven by the paper feed motor can be loaded with various sizes of paper up to legal size and automatically supplies paper picks up and delivers the paper to the paper feed unit Paper feed unit The paper feed unit driven by the paper feed motor turns ...

Page 91: ...iece Supplies constant quantity of ink to the joint between the bubble jet head and ink tank e Ink filter Keeps foreign matter from entering the bubble jet head f Bubble jet head Consists of 160 nozzles and signal contacts It discharges the ink supplied from the ink tank according to the print signals it receives via the signal contacts Each nozzle has two heater boards inside one large and one sm...

Page 92: ...turated with the ink of that color d Ink supply pieces Supplies constant quantity of ink to the joint between bubble jet head and ink tank e Ink filter Keeps foreign matter from entering the bubble jet head f Bubble jet head Consists of 144 nozzles and signal contacts It discharges the ink supplied color by color from the ink tanks according to the print signals it receives via the signal contacts...

Page 93: ...eplenished with ink after the ink has been ejected The print head uses semiconductor technology in which the heaters and I C circuits are mounted on a silicon plate This silicon plate with electrical circuitry is bonded to an aluminum base which is then attached to a molded plastic cover with nozzles 4 21 BJC 6000 Part 4 Technical Reference Plastic Cover Signal Circuit Print Circuit Board Ultra th...

Page 94: ... bubble jet nozzles Part 4 Technical Reference BJC 6000 4 22 1st nozzle 160th nozzle 160th nozzle 1st nozzle Black BJ Cartridge Photo BJ Cartridge Color BJ Cartridge 1st nozzle 160th nozzle 48 yellow nozzles 8 dummy nozzles 48 magenta nozzles 48 cyan nozzles 8 dummy nozzles 48 photo magenta nozzles 8 dummy nozzles 48 photo cyan nozzles 48 photo black nozzles 8 dummy nozzles 48 nozzles Figure 4 17 ...

Page 95: ...sion GND for head logic drive voltage HVDD Front nozzle heater select signal for upper nozzles 1 8 17 24 145 152 Front nozzle heater select signal for lower nozzles 9 16 25 32 153 160 Rear nozzle heater select signal for lower nozzles 9 16 25 32 153 160 Serial data latch timing signal Odd number nozzles select signal Even number nozzles select signal Signal to generate heater enable decoder output...

Page 96: ...ated with the manufacturing process The printer compensates for these variations to provide optimum control of ink discharge Switching the printer on with either an unrecognizable BJ cartridge installed or with one BJ cartridge not installed will cause the carriage to move automatically to the cartridge replacement position Also removing a BJ cartridge when the carriage is not in the cartridge rep...

Page 97: ... waste ink off the head face plate and the suction action to suck out ink from the head to refresh the insides of nozzles with new ink and the maintenance jet action to discharge the ink from the nozzles into the maintenance jet splash guard for removing bubbles from the head or dust around the outlet The cleaning mechanism becomes activated in the following cases to help maintain high quality pri...

Page 98: ...ing action to protect the head and for the pumping action to suck ink There are two rubber caps one per BJ cartridge installed on the carriage Capping occurs by pressing the cap against the head s face plate when the carriage moves to the capping position The rubber caps in the cap unit are connected to the pump unit and the air valve via the ink tube During cleaning the unit sucks ink from the he...

Page 99: ...cleaned separately The amount of roller turning and the timing of turning are detected and controlled by the pump sensor e Maintenance jet splash guard The maintenance jet splash guard receives the maintenance jet ink test discharge to maintain the nozzle directly into the waste ink absorber through the hole by the side of the platen 4 27 BJC 6000 Part 4 Technical Reference Cap Air Valve Pressure ...

Page 100: ...al paper selection lever Manual paper feeding also can be performed even if paper is set in the auto sheet feeder When paper is detected by the paper end sensor photointerruptor type it will be fed automatically to the print start position on the platen Paper feeding action during printing is controlled by the control of the paper feed rollers The printed paper will be ejected from the printer by ...

Page 101: ...uipped with a 2 position paper thickness selector to provide constant paper clearance The carriage shaft is supported by means of an eccentric bearing The paper thickness selector turns this eccentric bearing to move the carriage up and down in order to adjust the head to paper distance 4 29 BJC 6000 Part 4 Technical Reference Eccentric Bearing Plain Paper Position Thick Paper Position Paper Thick...

Page 102: ...feed motor the pick up roller starts turning The two hooks at the paper s leading edge will be unlocked allowing the paper to be loaded onto the sheet feeder and hooked on the separator by one corner When the pick up roller starts turning the paper with one corner suppressed by the paper separator will be separated and fed one sheet at a time to the paper feed roller If the paper is a resilient ty...

Page 103: ...platen between the pressure roller paper feed roller and the spurs eject roller to provide a constant clearance between the head and the paper Control of paper feeding during printing is performed by controlling the turning of the high precision ceramic coated metal paper feed roller Paper is fed in steps of 1 720 inch c Paper eject unit The printed paper is ejected by the eject roller with its fa...

Page 104: ...g BJ cartridges By controlling the position of the carriage this printer performs wiping and capping operations on the BJ cartridges d Paper feed motor drive switching By controlling the carriage position the switching arm of the drive switching unit will be actuated so that the paper feed motor driving paper feed during printing will switch over to driving the purge section or auto sheet feeder P...

Page 105: ...y adjusting printing timing The carriage motor is a stepping motor that drives the carriage via the carriage belt to travel along the horizontal width of the paper The carriage will be unlocked when the carriage lock position is detected by the home position sensor photointerruptor type located on the rear of the carriage The carriage is controlled and driven by the stepping pulses fed to the carr...

Page 106: ...right the notch on the carriage causes the purge section wiper flag to move raising the wiper and capping the cartridge When the carriage travels right to left the cartridge is wiped clean after which the hook unit on the carriage unlocks the wiper latch lowering wiper Part 4 Technical Reference BJC 6000 4 34 Wiper Flag Notch Hook Wiper Latch Figure 4 27 BJ Cartridge Maintenance ...

Page 107: ... unit will be turned in the opposite direction of paper feed once to allow the flag to move toward the slide arm as the selector arm moves to the position where it supports the selector flag With the selector flag supported turning the paper feed unit in the direction of paper feed causes the ASF drive gear to start turning and with it pick up operations commence When the slide arm moves out of th...

Page 108: ...into print signals or printer control signals and drives the BJ cartridges and motors while monitoring all the sensors The power supply unit converts the AC power into DC power and has the control board convert this DC power into each specific voltage supplied to drive motors ICs BJ cartridges etc Part 4 Technical Reference BJC 6000 4 36 AC Adapter Control Board Carriage Board Figure 4 30 Printer ...

Page 109: ...rror Indicator Power Indicator RESX Control Board Carriage Board BJ Cartridges 25MHz ODD EVEN BENB0 1 HENB0K 5 SUBH0 1 H_RSTX H_LTH DIR Home Position Sensor BJ Cartridge Connector Control ROM PA1 PC1 PB 0 3 PC3 PC0 RESX INT 0 3 MD 0 15 MA 0 9 RAS CAS C51 53 Motor Control CN602 CN403 CN402 Mechanical Control CN404 24V DC Print Position Sensor Purge Unit Paper Feed Roller Carriage motor CN502 CN503 ...

Page 110: ...needed to control the variable pulse width of the Heat ENABLE signal Pre Main pulse width The printer controller s head drive signals include the Odd Even ENABLE signal Block ENABLE signal Heat Select signal and Heat ENABLE signal The printer controller uses the Odd Even ENABLE signal Block ENABLE signal and Heat Select signal to select the discharge heaters inside the nozzle by time sharing and v...

Page 111: ...rupt pins on it The interrupt controller generates parallel I F motor drive and head drive interrupt requests to MPU IC201 Also it accepts an interrupt signal from the reset IC I O port Sends indicator lighting and the power supply voltage output control signals as output signals receives sensor signals from the home position sensor pump sensor and paper end sensor as input signals controls the EE...

Page 112: ...IC302 Controlled by the printer controller the 16Mbit DRAM is used as a receive buffer download buffer print buffer and working area d Motor driver IC IC401 Drives carriage motor and paper feed motor with steady currents generated according to the drive current signal data serial data it receives from the printer controller e EEPROM IC602 Controlled by printer controller the 2Kbit EEPROM stores in...

Page 113: ... DC converter Located on the control board to convert 5V to RGV5 RGV5I 5 VDC and RGV3 inRGV3 3 3 VDC and output them RGV5 RGV5I is used as the drive power for EEPROM and reset and power voltages for HVDD VIF and VSEN Note that the output of power voltages of HVDD VIF and VSEN are controlled by printer controller RGV3 inRGV3 is used as power for the printer controller MPU DRAM and control ROM and a...

Page 114: ... paper it opens indicating that there is paper 5 1 3 Print position sensor Consists of a red LED and photosensor and sees the reflection density of the printing patterns each printed slightly displaced from one another vertically and horizontally for each printing mode The voltage varying with the reflection density is fed into the MPU as an analog input which is converted into a digital value by ...

Page 115: ...the power is on the front cover is closed after pumping operations are completed or after a specified number of dots have been printed Do not open the front cover while measurement is going on as external light can make accurate measurement impossible Note that ink tank presence cannot be detected If no ink tank is installed the printer will determine that ink is present 5 1 5 Cover sensor Detects...

Page 116: ...een discharged than can be absorbed into the absorber the ink may leak inside the printer This waste ink amount detection function is provided to prevent ink leakage by estimating the waste ink absorber s capacity to absorb so that it can detect the ink full condition The printer calculates the amount of waste ink discharged by maintenance jetting and cleaning based on the ink dot counter reading ...

Page 117: ... 5 ADJUSTMENTS AND SETTINGS 5 8 5 1 Adjustments and Settings 5 9 5 2 Adjustment Setting Procedures 5 13 6 TROUBLESHOOTING 5 13 6 1 Troubleshooting Overview 5 15 6 2 Diagnosis 5 36 7 CONNECTOR POSITIONS AND PIN ASS 5 36 7 1 Control Board 5 40 7 2 Carriage Board 5 43 7 3 BJ Cartridge 5 44 7 4 AC adapter 5 44 7 5 DC power supply cable 5 45 7 6 Carriage Motor 5 45 7 7 Paper Feed Motor 5 46 7 8 Ink Sen...

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Page 119: ...5 Level Consumable User Black BJ cartridge Color BJ cartridge Photo BJ cartridge Black ink tank for the Black BJ cartridge Cyan magenta and yellow ink tanks for the Color BJ cartridge Photo cyan photo magenta and black ink tanks for the Photo BJ cartridge Service personnel None 1 3 List of Periodic Maintenance Level Location User None Service personnel None 5 1 BJC 6000 Part 5 Maintenance ...

Page 120: ...type Oil applicator For applying FLOIL 946P Multimeter For troubleshooting Special Tools part No Note 1 9 mm gap gauge One for head gap adjustment see Page 5 11 QY9 0038 000 0 5 mm gap gauge One for head gap adjustment see Page 5 11 QY9 0001 000 Tension spring For carriage belt tension adjustment see Page 5 9 QY9 0043 000 Gear key For adjusting ASF driving gear position see Page 5 10 QY9 0044 000 ...

Page 121: ...641 Carriage Guide Frame Back Surface apply a thin coat of grease over the entire surface Approx 48 mg Molykote PG 641 Carriage Guide Frame Sliding Surface apply the proper amount of grease so as not to drip Floil 946P Feed Roller Sliding Surface Approx 12 mg Molykote PG 641 Feed Roller Sliding Surface Approx 12 mg Molykote PG 641 Feed Roller Gear Teeth apply to all teeth evenly Approx 96 mg Molyk...

Page 122: ...ped from the factory or when the cartridges are installed and the power has been turned off normally the carriage is locked in the capping position to secure the cartridges during transportation When the printer is powered on properly the carriage locking is disabled automatically If the printer cannot be powered on normally it will be necessary to manually unlock the carriage This can be done by ...

Page 123: ...y lift the right side of the printer unit in the direction of arrow 2 resting it on the boss 3 Likewise press the locking tab on the left side of the printer and slightly lift the left side of the printer unit 4 Holding the printer unit by its front part and the ASF part as illustrated below first push back the printer unit and then lift it straight up as shown by arrow 3 5 5 BJC 6000 Part 5 Maint...

Page 124: ...t The adjustable bearings supporting the carriage shaft are adjusted and secured to the printer frame so that the ideal head to paper gap is maintained for best print quality Once you have loosened the screws painted red to protect against careless removal which fasten the adjustable bearings to the printer frame you must readjust the position of the bearings for head gap adjustment For the proced...

Page 125: ...feed unit especially the paper feed gear during disassembly or reassembly because even slight damage to it could affect paper feeding when printing at high resolution 5 7 BJC 6000 Part 5 Maintenance Figure 5 6 Feed Gear Unit Precautions Feed Roller Gear Eject Roller Gear ...

Page 126: ...riage belt tension adjustment When the carriage belt is loosened see Figure 8 of the parts catalog 5 1 3 ASF gear position adjustment When the ASF unit is detached when screws painted red are loosened see Figure 10 of the parts catalog 5 1 4 Head gap adjustment When the screws securing the adjustable bearings painted red that support the carriage shaft are loosened see Figure 12 of the parts catal...

Page 127: ...pecific information as stored in the old EEPROM into the new EEPROM The total amount of waste ink absorbed may be reset to 0 but not to any other value When you have replaced the waste ink absorber you must clear the waste ink counter of the EEPROM or initialize the EEPROM For the procedures refer to Part 3 3 6 1 Service mode operations page 3 18 The waste ink full error should not normally occur ...

Page 128: ...ve gear will no longer move If not return to step 2 above 4 Turn the pick up roller shaft until the cam of the ASF unit comes into the position as shown in the figure below 5 Without changing the position of the gears fix the ASF unit to the printer chassis by tightly screwing the assembly screws The toothed portion of the paper eject roller gear may be held Note that you can turn the paper eject ...

Page 129: ... from the carriage shaft 4 Set the paper thickness selector to the lowest position thick paper position Ensure that the gap gauge is clean and not deformed Also ensure that the platen is clean 5 11 BJC 6000 Part 5 Maintenance CAUTION Figure 5 9 Head Gap Adjustment 1 Black BJ Cartridge Carriage Belt Fixing Screw painted red Fixing Screw red Adjustable Bearing Supporting the Carriage Shaft left Pape...

Page 130: ...t the paper thickness lever to the lowest position thick paper position 8 Move the carriage into position D by moving the carriage belt by hand 9 Install the Black BJ cartridge on the left side of the carriage 10 Slowly loosen by half a turn the fixing screw that secures the right adjustable bearing supporting the carriage shaft and move the paper thickness selector up and down two or three times ...

Page 131: ...ith the printer s covers removed and with power supplied be careful not to get an electric shock from the power supply or short circuit the PC boards 3 The flowcharts use the following symbols 4 If you have replaced or repaired a part be sure to make a test print to check that the problem is corrected If the indicated measures of a specific step still fail to correct the trouble try again skipping...

Page 132: ...nd make a test print to see if the problem is corrected If not replace the whole BJ cartridge as measure 2 6 After concluding troubleshooting ensure that all connectors and screws are fixed in place If you have replaced the EEPROM or the whole control board you must perform EEPROM initialization and function settings For details refer to Part 3 3 6 1 Service mode operations page 3 18 Part 5 Mainte...

Page 133: ...o next page Plug in the AC cord Indicator blinks One beep Turn power on Read EEPROM DRAM check ROM check MPU printer controller initialization Ink sensor waste ink full printer temperature sensor TH201 check The printer is supplied with AC power The POWER button is pressed ...

Page 134: ...s in orange 1 time See page 5 18 10 beeps indicator blinks in orange 2 times See page 5 18 10 beeps indicator blinks in orange 6 times See page 5 22 10 beeps indicator blinks in orange 5 times See page 5 22 Head temperature error 10 beeps indicator blinks in orange 7 times See page 5 23 Haet temperature sensor error 10 beeps indicator blinks in orange 8 times See page 5 23 Home position error 10 b...

Page 135: ...s to cartridge replacement position Cartridge installed Cartridge not detected Cartridge not installed correctly BJ cartridge not installed correctly BJ cartridge not installed BJ cartridge displaced 5 beeps indicator lights in orange See page 5 28 6 beeps indicator lights in orange See page 5 28 7 beeps indicator lights in orange See page 5 24 I F busy disabled END ...

Page 136: ...Cause RAM cannot be read or written Suspected parts DRAM print controller Measure Replace the control board Cause EEPROM cannot be written Suspected parts EEPROM print controller Measure Replace the control board Error indications may fail if the ROM or RAM error occurs Part 5 Maintenance BJC 6000 5 18 1 ROM Error 2 RAM Error 3 EEPROM Error CAUTION ...

Page 137: ...tenance 4 Home Position Error 1 3 2 4 Measurement points Normalvalue Approx 3 1 4 Visual check OK Repair or replace faulty part Open the cover and switch on Check the carriage for smooth motion Visually check the carriage s motion Yes No OK Yes No Check the carriage motor OK Yes No Disconnect the carriage motor cable from the control board before checking Replace the carriage motor To page 5 21 1 ...

Page 138: ...ive gear unit Unlocked 2 Replace the purge unit Replace the paper feed motor Visually check that carriage is unlocked Visually check operation of paper feed unit From previous page Check the paper feed motor Yes No OK CN403 Pin 1 3 2 4 Measurement points Normal value Disconnect the paper feed motor cable from the control board before checking To page 5 21 1 1 4 Approx 3 OK ...

Page 139: ... output check Replace the control board Check for 24 VDC during operation CN401 No 24 VDC is output when the carriage is at the cartridge replacement position or if an error occurs HVCONT 24 VDC output control signal for output CN401 HVCONT check 5VDC HVCONT 24VDC GND GND OK No Yes OK No Yes ...

Page 140: ...alculated amount of waste ink absorbed has exceeded the capacity of the waste ink absorber Suspected parts Waste ink absorber control board Measure 1 Reset the EEPROM replace the waste ink absorber 2 Replace the control board Part 5 Maintenance BJC 6000 5 22 5 Temperature Sensor Error 6 Waste Ink Full Error ...

Page 141: ...BJC 6000 Part 5 Maintenance 7 Head Temperature Error Head Temperature Sensor Error Leave the printer for several minutes with power off END Yes No Error indication It is possible the BJ cartridge head unit has overheated 2 Replace the control board 1 Replace both BJ cartridges Turn power on ...

Page 142: ...tridge control board carriage board carriage ribbon cable Measure Part 5 Maintenance BJC 6000 5 24 8 Cartridge Displaced Error Remove and reinstall both BJ cartridges END Yes No 2 Replace the control board 3 Replace the carriage ribbon cable 4 Replace the carriage board 1 Replace both BJ cartridges Error indication ...

Page 143: ...iness wear or degradation Check the rod cam for engagement Check the gears for deformation damage and phase Repair or replace faulty parts Switch on with the cover open Paper feed check Check that the pick up roller rotates and the ASF feeds paper normally Check the ASF unit Repair or replace Replace the control board Check the operation of paper feed unit Check the paper feed motor pick up roller...

Page 144: ... arm using paper IC301 Pin No 127 Measurementpoints Replace the sensor arm Visually check the ASF drve gear unit Replace the ASF drive gear unit ASF gear position adjustment ASF Feed Path Manual Feed Path Replace the control board Open Closed Sensor Low level paper detected High level no paper detected Normal value See Part 5 5 2 3 ASF gear position adjustment page 5 10 Yes No OK Yes No OK Yes No ...

Page 145: ... is empty EEPROM is defective Suspected parts Ink tank EEPROM Measure 5 27 BJC 6000 Part 5 Maintenance Visually check that the ink tanks are installed Install ink tanks Replace the control board OK Yes No 10 Ink Out Error ...

Page 146: ...ge Check if the cartridge lock lever is locked Check the carriage ribbon cable for folds or other damage Visually check that BJ cartridges are installed 1 Replace the control board Repair or replace faulty parts Reinstall the BJ cartridges Remove and replace the BJ cartridges 2 Replace the carriage ribbon cable 3 Replace the carriage board END Reinstall both the right and left BJ cartridges Error ...

Page 147: ...t Error board 2 Replace the control board Replace the print position sensor 1 4 Pin No 1 2 Pin No 2 3 Measurement points Sensor Approx 2 0V Approx 2 0V Normal value Is the automatic head position adjustment pattern correctly printed OK Yes No 1 Cleaning 2 Replace the ink tank 3 Replace the BJ cartridge Black cyan ink tank Black Color BJ cartridge Print position sensor check OK Yes No 1 Replace the...

Page 148: ...ing the POWER button does not start initialization Cause The AC adapter or the control board is defective Measure Part 5 Maintenance BJC 6000 5 30 1 Power Does Not Turn On Check the AC adapter for 5 Vdc output voltage Replace the AC adapter Replace the control board 5VDC GND OK Yes No ...

Page 149: ...5 Maintenance 2 Faulty Printing No Printing 1 Replace the relevant ink tank 2 Replace the relevant BJ cartridge Cleaning operation Nozzle check pattern Perform the cleaning operation 5 times page 3 16 Yes No Do print problems appear END See Part 3 3 5 2 Nozzle check pattern printing Yes No Do print problems still appear Replace the purge unit END ...

Page 150: ...ective Measure Part 5 Maintenance BJC 6000 5 32 1 Replace the relevant ink tank 2 Replace the relevant BJ cartridge Cleaning operation Nozzle check pattern Perform the cleaning operation 5 times page 3 16 See Part 3 3 5 2 Nozzle check pattern printing Yes No To next page END Do print problems still appear Do print problems appear END No Yes 3 Faulty Printing Blank Lines Appear ...

Page 151: ...5 33 BJC 6000 Part 5 Maintenance 1 Replace the carriage ribbon cable 2 Replace the carriage board END OK 3 Replace the control board From previous page Replace the purge unit Yes No ...

Page 152: ...ted with ink paper is contaminated before reaching the platen The tips of the spurs are deformed The paper thickness selector is wrongly set positioned The printed nozzle check pattern has mis alignment Measure Wipe clean with a damp cloth Disassemble the paper feed unit and wipe clean with damp a cloth Perform test paper feeding several times Replace the spur unit Correct the setting Readjust pri...

Page 153: ...nk tanks Replace or re install the ink tank Ink sensor check Replace the ink sensor Replace the BJ cartridge No ink tank Any loose ink tank Ink chamber empty Replace the left and right BJ cartridges with new ones 2 3 1 2 Measurement points Approx 1 2V Approx 0V 1 3 Normal value Replace the control board Pin No OK Yes No OK Yes No END OK Yes No 5 Ink Out Resulting in no Error ...

Page 154: ...ions page 2 10 2 DATA 1 IN OUT 3 DATA 2 IN OUT 4 DATA 3 IN OUT 5 DATA 4 IN OUT 6 DATA 5 IN OUT 7 DATA 6 IN OUT 8 DATA 7 IN OUT 9 DATA 8 IN OUT 10 ACKNLG OUT 11 BUSY OUT 12 P E 13 GND 14 GND 15 SELECT OUT 16 AUTO FEED XT IN 17 5 0V 18 INIT IN 19 ERROR OUT 20 5 0V 21 SELECT IN IN 22 GND 23 N C 24 GND 25 GND 26 N C 1 4 CN401 CN402 CN602 CN603 CN404 1 5 1 4 2 1 3 1 1 18 36 19 CN403 Figure 5 11 Control...

Page 155: ... phase A 2 CRB OUT Carriage motor phase B 3 CRA OUT Carriage motor phase A 4 CRB OUT Carriage motor phase B Pin No Signal IN OUT Function 1 LFA OUT Paper feed motor phase A 2 LFB OUT Paper feed motor phase B 3 LFA OUT Paper feed motor phase A 4 LFB OUT Paper feed motor phase B Pin No Signal IN OUT Function 1 8 HVH OUT Head drive voltage VH 9 10 11 SUBH0 OUT Sub heater drive voltage for left cartri...

Page 156: ...8 HENB3 OUT Front heater drive signal for nozzles 113 160 19 DIR OUT Serial data input output direction control signal 20 HRSTX OUT Reset signal 21 SNSG GND 22 DIA0 IN Head temperature diode sensor s anode line 23 DIAK IN Head temperature diode sensor s cathode line 24 HPA OUT Home position sensor pull up voltage 25 HPC IN Home position sensor sense signal 26 REGA OUT Print position sensor s LED d...

Page 157: ...nector 5 39 BJC 6000 Part 5 Maintenance Pin No Signal IN OUT Function 1 POMP IN Pump sensor sense signal High sense Low 2 GND Pin No Signal IN OUT Function 1 INKS01 OUT Voltage output from the ink sensor 2 GND 3 INKS IN Ink sensor s LED drive signal ...

Page 158: ...31 33 34 32 CN4 CN5 Figure 5 12 Carriage Board Pin No Signal IN OUT Function 1 2 3 LGND GND for logic power supply 4 5 6 HVDD IN Head logic drive voltage 7 14 HGND GND for head drive voltage VH 15 16 17 SUBH1 IN Sub heater drive voltage for right cartridge 18 19 20 SUBH0 IN Sub heater drive voltage for left cartridge 21 28 HVH IN Head drive voltage VH ...

Page 159: ...signal for nozzles 1 112 14 HENB0 IN Rear heater drive signal for nozzles 1 112 15 BENB1 IN Signal to generate heater enable decoder outputs 16 BENB0 IN Signal to generate heater enable decoder outputs 17 EVEN IN Even number nozzles select signal 18 ODD IN Odd number nozzles select signal 19 HALT IN Serial data latch timing signal 20 25 27 LGND GND for the logic power supply 21 HSEL2B0 IN Front no...

Page 160: ... nozzles 9 16 25 32 153 160 12 HSEL2A1 OUT Rear nozzle heater select signal for lower nozzles 9 16 25 32 153 160 13 HSEL1B1 OUT Front nozzle heater select signal for lower nozzles 9 16 25 32 153 160 14 HSEL1A1 OUT Rear nozzle heater select signal for upper nozzles 1 8 17 24 145 152 16 HDATA1 OUT Serial data for right cartridge sent in synchronization with the clock signal 18 HCLOCK1 IN OUT Clock s...

Page 161: ...with the clock signal H_CLK Rear nozzle heater select signal for upper nozzles 1 8 17 24 145 152 Head logic drive voltage 5 V Clock signal for serial data transmission GND for head logic drive voltage HVDD Front nozzle heater select signal for upper nozzles 1 8 17 24 145 152 Front nozzle heater select signal for lower nozzles 9 16 25 32 153 160 Rear nozzle heater select signal for lower nozzles 9 ...

Page 162: ...C Adapter 1 5 4 2 1 2 3 5 Figure 5 15 DC Power Supply Cable Pin No Signal IN OUT Function 1 N C 2 N C 3 24V DC 4 GND GND 5 OUT 5V DC 6 N C 7 HVCONT IN 24 V control signal 8 GND GND Pin No Signal IN OUT Function 1 OUT 5V DC 2 HVCONT IN 24 V DC output control signal 3 GND GND 4 OUT 24V DC 5 GND GND ...

Page 163: ...d Motor Pin No Signal IN OUT Function 1 CRA IN Carriage motor phase A 2 CRB IN Carriage motor phase B 3 CRA IN Carriage motor phase A 4 CRB IN Carriage motor phase B Pin No Signal IN OUT Function 1 LFA IN Paper feed motor phase A 2 LFB IN Paper feed motor phase B 3 LFA IN Paper feed motor phase A 4 LFB IN Paper feed motor phase B ...

Page 164: ...1 3 1 3 Figure 5 18 Ink Sensor Pin No Signal IN OUT Function 1 INKS01 OUT Voltage output from the ink sensor 2 GND 3 N C Pin No Signal IN OUT Function 1 REGA OUT Print position sensor s LED drive voltage 2 SNSG GND 3 REGC OUT Voltage output from the print position sensor 4 LGND GND Pin No Signal IN OUT Function 1 POMP OUT Pump sensor s sense signal High sense Low 2 GND ...

Page 165: ...8 CIRCUIT DIAGRAMS 8 1 Parts Layout 8 1 1 Control board 5 47 BJC 6000 Part 5 Maintenance Figure 5 21 Control Board ...

Page 166: ...8 1 2 Carriage board Part 5 Maintenance BJC 6000 5 48 Figure 5 22 Carriage Board ...

Page 167: ...12 A13 A14 A15 A16 Vcc PA19 PA18 Vss A18 A19 A20 Vcc A21 Vss RDX WRHX WRLX CS1X CS0X CS3X CS2X IRQ7X IRQ6X IRQ5X IRQ4X IRQ3X IRQ2X IRQ1X Vss IRQ0X D15 D14 D13 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 PE13 PE12 PE7 TIOC28 Vcc TDX RXD Vss AVss ANG AVss AN5 AN4 AN3 AN2 AN1 AN0 Vss PE6 TIOC2A PE5 TIOC1B PE4 TIOC1A Vss PE2 TIOC0C PE0 TIOC0A RESX CK 75 74 73 72 71 70 69...

Page 168: ... 105 3 3V VDD 5V VDD A9 A8 A7 A6 A5 A4 A3 A2 A1 PB3 PB2 PB1 PB0 CPU WRMX CPU WRLX CPU RDX CPU CSX2 CPU CSX1 WAITX RSTX U OCX0 U OCX1 CPU CSX3 3 3V VDD VSS SELIN FAULT INIT AFXT SLCT PE BUSY ACX STB IF D7 IF D6 IF D5 IF D4 IF D3 IF D2 IF D1 5V VDD IF D0 VSS D0 D1 D2 D3 5V VDD 3 3V VDD 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 9...

Page 169: ...BH0 SUBH1 HVH CN501 HVDD R533 10K 1 16W 2 2 1 3 4 7 8 6 5 25 26 17 18 21 20 23 24 19 7 13 14 15 16 9 10 11 12 4 5 6 8 1 0 3 1 4 11 2 3 14 4 11 13 12 8 4 11 9 10 7 4 11 6 5 2 22 UPA1755G R517 33K 1 16W D 1608 R518 12K 1 16W D 1608 R519 180K 1 16W D 1608 R520 7 5K 1 16W D 1608 R508 33K 1 16W D 1608 R509 12K 1 16W D 1608 R510 180K 1 16W D 1608 R511 7 5K 1 16W D 1608 NNCD6 8G NNCD6 8G NNCD6 8G NNCD6 8...

Page 170: ...Ccp A CLK AB CR AB DATA AB VREF AB RESET VSS VSS BREF CD VDD CR CD DATA CD Ccp B CLK CD Ccp C STROBE CD OUT D OUT C PGND PGND RS D RS C OUT D OUT C VMD VMC 1 2 3 4 5 SV HVCONT SV GND 24V HGND 5 6 7 8 4 3 2 1 STB BUSY AFXT INT SELIN ACK SLCT TFAUL 03 E6 02 B3 PD 8 0 02 B3 02 F2 VM1 VM D1FS401 D401 R432 100K 1 16W FCC3220202 FU10 VIF RGV51 RGVS Q607 FP1A4N CVDC PW C R615 47K 1 16W FB603 BK1608HS601 ...

Page 171: ...HVDD HCLOCK0 LGND HSEL1A0 LGND HSEL2A0 HSEL2B0 HLAT ODD EVEN BENB0 BENB1 HENB0 HENB1 HENB2 HENB3 DIR HRSTX DIA0 DIK0 RANK0 N C N C HCLOCK1 LGND HDATA1 LGND HSEL1A1 HSEL1B1 HSEL2A1 HSEL2B1 LGND HENB4 HENB5 HENB4 HENB5 SNSG DIA1 DIK1 N C RNAK1 REGA SNSG REGC LGND HPSEN OP1SOO5C 1 3 CN4 HUDD LGND CN6 HVH HVH HVH SUBH1 HGND SUBH1 HGND HGND HDATA1 HGND HSEL1B1 HVDD HCLOCK1 LGND HSEL1A1 LGND HSEL2A1 HSE...

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Page 174: ...The printing paper contains 70 waste paper PRINTED IN JAPAN IMPRIME AU JAPON CANON INC ...