Craden DP8, Technical Manual

Page 1: ...DEN P E R I P H E R A L S C O R P O R A T I O N DP8 DP9 DOCUMENT PRINTERS TECHNICAL MANUAL P N 99090 REVISION 7 7 2007 7860 AIRPORT HIGHWAY PENNSAUKEN NJ 08109 856 488 0700 856 488 0925 FAX www craden com ...

Page 2: ... operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to correct the interference RECORD OF CHANGES REVISION DATE ECO s PAGES AFFECTED NOTES 1 10 01 ALL Initial Release 2 11 02 ALL Add DP9 3 06 03 1 6 7 12 15 Fast Draft speed 4 01 04 1 3 6 9 16 17 22 30 32 Updated 40 41 All ...

Page 3: ...and Summary 10 3 10 2 Document Movement Commands 11 3 10 3 Print Commands 12 3 10 4 Low Density Graphics Commands 14 3 10 5 High Density Graphics Commands 14 3 10 6 Display Commands 14 3 10 7 Configuration Commands 15 3 10 8 Status and Keypad Commands 15 3 11 Drivers 16 3 11 1 Installing Craden Drivers on WINDOWS 95 OR 98 16 3 11 2 Installing Craden Drivers on WINDOWS NT 2000 OR XP 17 3 11 3 Insta...

Page 4: ...r Cleaning 27 5 1 3 Sensor Cleaning 27 5 1 4 Printhead Cleaning 28 5 1 5 Document Print Area Cleaning 28 5 1 6 Cabinet Exterior Cleaning 28 5 2 SERVICE PARAMETER SET UP PROCEDURE 29 5 3 ELECTRICAL ADJUSTMENTS 29 5 4 MECHANICAL ADJUSTMENTS 5 4 1 Printhead Gap 30 5 4 1 1 Ribbon Shield Removal Replacement 31 5 4 1 1 1 Ribbon Shield Face Inspection 32 5 4 2 Carriage Drive Belt Tension 33 5 4 3 Documen...

Page 5: ...tioning 41 5 6 11 Erratic Character Spacing or False Document Jams 41 5 6 12 Interface Inoperative 41 5 6 13 Diagnostic Flowchart 42 5 7 RECOMMENDED SPARE PARTS 43 5 8 RECOMMENDED SERVICE TOOLS 43 6 0 MAJOR ASSEMBLY ILLUSTRATIONS PARTS LISTS Printer Diagram 44 Major Assembly Tree 45 73802 Carriage 46 73804 Box 47 73806 Carriage Drive 49 73809 Lower Drive 50 73810 Document Drive 51 73815 Keypad Dis...

Page 6: ...mm to 6 5 165mm in DP8 or 9 7 246mm in DP9 DP8 wider forms printable in landscape mode Form Height 2 5 64 mm minimum no maximum Form Thickness 0 0035 0 09 mm to 0 062 1 57 mm Non printable areas Top of form 0 16 4 1mm Above horiz fold 0 38 9 7mm Below horiz fold 0 30 7 6mm Bottom of form 0 45 11 4mm Vertical fold edge 0 25 6 4mm 1 3 Interface Standard Serial RS 232 1200 38400 baud 11KB buffer dual...

Page 7: ...ism beneath the cabinet 8 Configure printer and interface parameters See 3 5 3 5 2 using 92 and 93 FUNCT Common variations to the default settings are a higher baud rate for better throughput EMULATION MODE I for Proprinter emulation and PROTOCOL XON XOF for software that does not use DTR hardware handshaking Function 94 settings are factory set for a specific printer and should not be changed 9 P...

Page 8: ...and lock the carriage 3 Push down the ribbon guide tabs on each side of the printhead to lower the ribbon shield 4 Remove the old cartridge by pulling down on the top and rotate the top edge forward 5 Guide the new ribbon behind the rubber wheel and over ribbon guide tabs Insure the ribbon is not twisted 6 Mount the new ribbon cartridge bottom edge first and rotate the top edge backwards Turn the ...

Page 9: ... ENTER keys ENTER transmits previously keyed digits to the host system All responses are host defined This key also initiates document printing if the printer is configured to delay printing until the ENTER key is pressed See 3 5 1 0 to 9 enter digits to be transmitted to the host by the FUNCT or ENTER keys Key depressions appear on the lower display line 3 3 Display Operation The display has 2 li...

Page 10: ... This allows more time to insert cumbersome documents or to train new users With auto alignment enabled the printer should be configured for no delay The DOCUMENT INSERT printer parameter may be set to move the document to the last bottommost rather than the first printable line The BEGIN PRINTING printer parameter may be set to delay printing until ENTER is pressed This allows the operator to ins...

Page 11: ...n until A is pressed to allow more time for aligning documents BEGIN PRINTING IMMEDIATELY or AFTER ENTER KEY Select to begin printing IMMEDIATELY after the document insertion or delay printing until ENTER is pressed to verify proper alignment LINE 1 XXX Select the distance between 0 80 and 0 80 from the document top edge to the center of the first print line Select 0 25 unless needing software com...

Page 12: ...th popular PC based financial printers AUTO CARRIAGE RETURN ON FEED Y or N Select Y unless compatibility with software written for another printer is needed DUAL PORT Y or N DP9 Only Select Y unless software cannot accept ports alternating between enabled and disabled If N is selected connect to either port but not both PAPER OUT NO DOC or NEVER Select NO DOC for the parallel interface to indicate...

Page 13: ...values increase the distance moved REVERSE COMPENSATION XX Adjusts distances moved up the document Larger values increase the distance moved EJECT HOLD OFFSET XX Adjusts how much of the document is held in the feed rollers after it is ejected Lower values hold less of the document CONFIGURATION XX Selects custom options Select 00 unless indicated otherwise on the configuration label or incorrect o...

Page 14: ...or Conditions 3 9 1 Document Jam In the unlikely event that a document becomes jammed in the printer printing will stop and DOCUMENT JAM will be displayed The operator must clear the jam condition by moving the printhead left as far as possible and removing the document from the printer 3 9 2 Cover Open If the cabinet is opened to replace a ribbon cartridge or clear a document jam COVER OPEN is di...

Page 15: ...nload C or Horizontal Tab I LF 0A Line feed VT n 0B Vertical feed C or Vertical Tab I FF 0C Eject document CR 0D Print buffer SO 0E Begin expanded characters SI 0F End expanded characters C or Begin 17 characters inch print I DC1 DLE 11 10 Key buffer request use ESC DC1 or ESC DLEin mode I DC2 12 Line count request C or Begin 10 characters inch print I DC3 ETB 13 17 Load upper display delayed use ...

Page 16: ... Begin End underscore C 3 10 2 Document Movement Commands Commands common to both C and I modes LF moves the document up one line with line spacing keypad selected see 3 5 1 or set by an HT C mode ESC 0 1 2 or 3 I mode command ESC J n moves the document up n 216 inches with n being a single binary coded byte FF or ESC 4 I mode only ejects the document ESC J followed by the 4 byte hex sequence 02 0...

Page 17: ...been set by a ESC 5 01 command and then a LF will be performed SO starts double width print All characters received after an SO and before a SI CR DC4 CAN ESC W or feed command will be printed double width ESC STX Starts landscape sideways print for documents inserted rotated 90 clockwise Documents must be fed to the first printable column and 10 or 12 cpi selected before ESC STX is issued Followi...

Page 18: ... or feed command will be printed double height Single height characters will be printed in line with the top of double height characters if they are mixed in a print line ESC SI stops double height print RS n inserts n blank spaces into the print line and can be used to reduce the characters transmitted when large blank spaces are to be printed n is of the form 01NNNNNN where NNNNNN is the number ...

Page 19: ... a VT e Each data byte is of the form 1ABCDEF where A is the lowest and F is the highest of 6 vertical dots printed in a single dot column Each bit must be set to a 1 for the corresponding dot to be printed 3 10 5 High Density Graphics Commands High density 24 dot graphics are selected by ESC g m n P where m 256 X n is the following graphics data byte count plus one and P selects graphics densitie...

Page 20: ...ypad See 3 5 1 The HT command is unique to C mode 3 10 8 Status and Keypad Commands Status key buffer contents line count or document length data are transmitted when requested by the host These C mode commands except for document length and line count requests may be used in I mode by preceding them with an ESC ENQ requests printer status and is executed when it is received SUB also requests prin...

Page 21: ...om edge are transmitted The first byte indicates the number of lines and the second byte indicates the number of additional 1 60 inch steps 3 11 Drivers CRADEN SUPPLIED DRIVERS ARE THE INTELLECTUAL PROPERTY OF CRADEN PERIPHERALS CORPORATION AND ARE PROTECTED BY COPYRIGHT LAW THEY MAY ONLY BE USED WITH A PRINTER MANUFACTURED BEFORE APRIL 2000 IF ALLOWED BY A LICENSE AGREEMENT BETWEEN CRADEN AND THE...

Page 22: ...Print Test Page to print on the installed printer 3 11 3 Installing Craden USB Drivers on WINDOWS NT 2000 OR XP 1 Connect the printer to a PC USB port with a USB A B cable Turn on printer power The New Hardware Found Wizard screen will then display 2 Click Next to display Install Hardware Device Drivers and click next to display Locate Driver Files Select Floppy Disk Drive and click next 3 Click N...

Page 23: ... RS 232 communications at 1200 2400 4800 9600 19200 or 38400 baud and has an 11 Kbyte input buffer Characters may contain 7 or 8 data bits even odd or no parity and 1 stop bit These parameters are all keypad programmable by 9 3 FUNCT 3 12 1 Input Buffer Operation All data received except immediate status display and reset commands are placed in an 11 Kbyte first in first out buffer Characters with...

Page 24: ...3 2 3 Data to Printer 2 3 2 Data from Printer 6 8 5 6 6 8 DTR to PC CTS DSR 5 7 5 Signal Ground Some applications do not allow DSR to be removed when the printer is busy Use the following cabling with such software Printer Pin PC 25 Pin PC 9 Pin Signal 3 2 3 Data to Printer 2 3 2 Data from Printer 8 5 8 DTR to PC CTS 6 20 4 6 PC DTR to PC DSR 5 7 5 Signal Ground 3 13 Problem Solving These are the ...

Page 25: ...may be increased by reducing the print darkness see 3 5 4 4 A generic ribbon is being used Change to a Craden ribbon 3 13 7 Erratic Document Feed Mispositioning or Overprinting If feeding is erratic or preprinted forms are not correctly positioned 1 Check for correct LINES INCH see 3 5 1 2 Check that LINE 1 is NOT set to a negative number see 3 5 1 3 Check that all service parameters are correctly...

Page 26: ...rom the document drive and the ribbon shield and ribbon guides mounted to the carriage lower away from the printhead for easy access to the ribbon path when replacing cartridges 4 1 2 Document Drive Assembly The document drive assembly positions inserted documents The document drive stepper motor mounted on the right side of the document drive is connected to the two drive rollers through toothed ...

Page 27: ...is set by C19 R38 The 5VDC is monitored by Q3 so that the electronics are held reset if the 5VDC is not stable 4 2 2 Microprocessor System The 68HC12 microcontroller U10 has a 250 nanosecond cycle time that it generates from 16Mhz crystal Y1 Each cycle the 68HC12 provides a timing pulse on TP1 for synchronizing the devices on the data bus and updates the address on pins A0 A18 The high order addre...

Page 28: ...le The 2 motor windings are labeled Phase A and Phase B and the phase and 2 current level signals for each winding are shown The state table for the carriage motor is similar but the states with 0 current are skipped so each state change rotates the carriage motor rotor 1 200 of a revolution 1 120 of carriage motion Phase A I0A I1A Phase B I0B I1B A Current B Current 1 0 0 1 0 0 100 Forward 100 Fo...

Page 29: ... I0 current I1 current VREF 0v 5v 0 4v 30v 30v 2 7 mSec 0 0 U20 15 R4 J2 1 J2 3 A B C D Fig 4 1 Stepper Motor Drive Circuit B 0v 5v 0 4v 30v 30v 2 7 mSec 0 0 U20 15 R4 J2 1 J2 3 A B C D 0v 5v 0 0v 0 4v 0v 38v 38v 2 7 mSec 0 0 5 5 mSec U20 15 R4 J2 1 J2 3 A B C D 0v C D ...

Page 30: ...pt data the 68HC12 writes ASCII characters to the LCD The LCD then generates and displays the corresponding character patterns 4 2 6 Sensors Seven optical reflective sensors are used the left home sensor for carriage position four document sensors for document presence alignment and position one document edge sensor located on the carriage and the cabinet open sensor on the main PCB All sensors op...

Page 31: ... L U13 Timer U5 RCLK SRCLR Q Q26 TYP D23 TYP Q8 Q7 D6 Q5 Q4 U12 6 3 15 12 10 38VDC D34 D35 FIRE NO CHOP FIRE EXT FIRE NO CHOP FIRE EXT U5 PIN 15 U13 PIN 3 Q7 SOURCE Q26 DRAIN COIL CURRENT 50V 70V 38V dashed lines are for revision F and later boards 26 ...

Page 32: ...In similar fashion clean the rear rollers Make sure all rollers are dry and free of residue 5 1 3 Sensor Cleaning Clear sensor light paths of paper paper dust and other obstructions if rollers continue to run when no document is present or other sensor problems occur 1 Insert the flexible nozzle tube of a compressed air can under the input guide and near each of the document sensors Clear each sen...

Page 33: ... remove the rest of the grease from the printwires Wipe the grease ink and ribbon fabric lint from the brush onto the napkin provided Remove all residual alcohol 6 Reconnect the printhead to the flex cables and remount the printhead Insure that the flex cables don t touch the carriage belt drive pulley or idler pulley bracket when the carriage approaches the left and right box flanges 7 Reinstall ...

Page 34: ...FORWARD and REVERSE COMPENSATION are set using either 943 or 944 FUNCT a Procedure for firmware E9 and earlier see 3 7 944 FUNCT prints lines of overlapping X s and O s 10 apart Set FORWARD COMPENSATION so that the distance between lines of X s is 10 00 254mm 0 02 0 5mm Set REVERSE COMPENSATION so that the line of O s printed at the top of the page overlaps the line of X s within 0 02 0 5mm b Proc...

Page 35: ...ghtly loosen the two larger head screws on either side of the printhead that fasten the gap plate to the printhead Use a 5 16 wrench to hold the mounting nuts The gap changes as these screws are loosened so only loosen them enough to be able to move the plate 5 Decrease the gap by pushing the printhead down against the feeler Increase the gap by rotating a screwdriver blade in the slot between the...

Page 36: ...aft with one hand and pull the shield down and out to the right with the other Shield Tips Pull the ribbon guide plate tabs toward you Insert the new shield tips into the gap between the ribbon guide plate and the carriage Ribbon Guide Plate Carriage Tabs Rotate the shield until it is centered on the carriage Do not let the shield tips slip behind the carriage Push the shield up until it stops Ins...

Page 37: ...ce is smooth no defects Ribbon shield at end of life Face is scored There is no visible damage to the six sided opening but a breech is imminent This shield may begin to snag documents Damaged ribbon shield There is a breech in the six sided opening This ribbon shield will streak and tear documents Damaged ribbon shield One side of the six sided opening is missing This ribbon shield will streak an...

Page 38: ... a spring gauge to deflect the center of the document drive belt Adjust only if an 8 oz 225 gm force deflects the belt less than 0 02 0 5 mm or more than 0 04 1 mm 2 Loosen the 4 screws that fasten the document drive motor 3 Move the motor toward or away from the rear document drive roller to adjust the tension and tighten the screws Repeat step 1 5 4 4 Carriage Shaft Cam and Shaft Rack The carria...

Page 39: ...rough the input tray slot 2 Hold the ramp arm against the stop on the left side plate and move the ramp adjustment screw toward the left until the gate just begins to rise Tighten the screw in this position 5 4 7 Auto Alignment Gate Height The gate ramp must be properly adjusted see 5 4 6 before gate height is adjusted 1 Raise the gate by pressing 9 4 7 FUNCT A 2 Press FUNCT to adjust gate height ...

Page 40: ...n the slot in the middle of the rear cabinet edge and pull down to flex and remove the hinge wire that fastens the cabinet to the mechanism 3 Press the cabinet latches and lift off the cabinet 4 To install the cabinet raise the rear panel heatsink and place the cabinet on the baseplate so that the latches fasten Insert one end of the hinge wire through the box flange and into the cabinet hinge pla...

Page 41: ...play reverse the procedure in steps 1 to 4 5 5 6 Power Supply PCB 1 Disconnect the AC power cord and remove the cabinet see 5 5 1 2 Raise the insulator flap covering the Power Supply PCB and disconnect the AC and DC connectors from the PCB 3 Remove the 4 screws fastening the PCB to the box and remove the PCB 4 Position the mechanism so that it rests on the keypad bracket and input tray 5 Put the s...

Page 42: ...Raise the ribbon guide plate and push the shield down and slide it to the right side to remove it See picture in 5 4 1 4 Remove the printhead attachment screw See picture in 5 1 4 5 Disconnect the printhead from the printhead flex cables 6 Connect the new printhead to the flex cables and remount it Insure that the flex cables don t touch the carriage belt drive pulley or idler pulley bracket when ...

Page 43: ...ee 5 6 7 D If print quality is not acceptable see 5 6 8 E For other possible problems see 5 6 9 through 5 6 12 5 6 2 No Display If nothing appears on the display on power up check that 1 The power switch on rear of printer is ON 2 The input power cord is plugged into both printer and supply outlet 3 The contrast knob to the left of the configuration label is set for good display contrast 4 Input p...

Page 44: ...r area with compressed air Carriage drives into the left side of the printer 94 FUNCT parameters are incorrect Disconnected sensor cable Defective left home sensor Check 94 FUNCT parameters against label under the cabinet behind the alphanumeric display Reinsert sensor cable Replace multi sensor PCB Display reads Cover Open even when cabinet is closed Cover sensor cannot see reflective dot on insi...

Page 45: ... Streaking or smearing over printed lines Ribbon installed incorrectly Ribbon shield is missing damaged Ribbon is near end of life Ribbon has too much ink Generic ribbon installed See page 3 for ribbon installation Replace ribbon shield Replace ribbon cartridge Replace with Craden ribbon Large gaps in printing or sporadic light print occurs Ribbon fabric is folded or twisted Ribbon installed incor...

Page 46: ...ely in the side plate slots 4 Check that all belt drive pulleys are tight on their shafts 5 Check the document drive belt tension see 5 4 3 6 Check that the roller springs are properly adjusted See 5 4 5 and 5 4 8 5 6 11 Erratic Character Spacing or False Document Jams If horizontal character spacing is erratic or preprinted forms are not correctly printed 1 Check for correct CHARACTERS INCH setti...

Page 47: ...Power outlet is live Carriage Fault on display Foam packing removed Insert paper press A key see printer parameter BEGIN PRINTING 3 5 1 Is the printed output too light No Yes Ribbon correctly installed 2 1 Ribbon shield installed correctly 5 4 1 1 Remove ribbon check for jammed cartridge Check that ribbon knob turns as carriage moves Ribbon correctly installed Ribbon worn out 2 1 Remove ribbon che...

Page 48: ...y 72133 2 Power Supply Assy 72137 1 Edge Sensor Assy 72155 1 Class C DP8 Printhead Cable Assy 72142 1 The DP8 and DP9 use the same DP9 Printhead Cable Assy 72142 2 recommended spares except DP8 Carriage Belt Assy 73805 1 for the printhead cable keypad DP9 Carriage Belt Assy 73805 2 and carriage belt assys Document Drive Belt 90T080P 67351 Motor Assy 73820 1 5 8 RECOMMENDED SERVICE TOOLS 1 and 2 Ph...

Page 49: ...nfiguration Label Ribbon Cartridge Input Tray Document Edge Guide Printhead Carriage Input Guide Roller Carriage Lifter Ring Multisensor PCB Display Contrast Adjust Cabinet Latch Power Cord Serial Port B USB Port Serial Port A Power Switch 44 ...

Page 50: ...9 PRINTER ASSY 73819 X LOWER DRIVE 73809 X PLATEN 73808 X GATE 73807 X MAIN PCB 72135 1 no USB 72135 2 w USB DOCUMENT DRIVE 73810 X PRINTHEAD 73812 1 KEYPAD DISPLAY 73815 X ELECTROMECH 73816 X SHIPPING KIT 73818 X CABINET 73817 X CARR IDLER 73805 X RIBBON GUIDE 73801 1 REVERSER 73803 1 BOX 73804 X CARRIAGE 73802 1 CARRIAGE DRIVE 73806 X KEYPAD 72133 1 45 ...

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