Kyocera PF-740, Service Manual

Page 1: ...SERVICE MANUAL Published in April 2011 843NF111 3NFSM061 Rev 1 PF 740...

Page 2: ...ficials for details in your area for proper disposal ATTENTION IL Y A UN RISQUE D EXPLOSION SI LA BATTERIE EST REMPLACEE PAR UN MODELE DE TYPE INCORRECT METTRE AU REBUT LES BATTERIES UTILISEES SELON L...

Page 3: ...Revision history Revision Date Replaced pages Remarks 1 6 April 2011 CONTENTS 2 4 1 to 2 4 3...

Page 4: ...This page is intentionally left blank...

Page 5: ...sonnel to ensure the safety of their customers their machines as well as themselves during maintenance activities Service personnel are advised to read this booklet carefully to familiarize themselves...

Page 6: ...this symbol CAUTION Bodily injury or damage to property may result from insufficient attention to or incorrect com pliance with warning messages using this symbol Symbols The triangle symbol indicates...

Page 7: ...or dusty place This may cause fire or electric shock Do not install the copier near a radiator heater other heat source or near flammable material This may cause fire Allow sufficient space around th...

Page 8: ...carefully Always check that the copier is correctly connected to an outlet with a ground connection Check that the power cable covering is free of damage Check that the power plug is dust free If it i...

Page 9: ...caution labels that should be present on the machine according to the instruction handbook are clean and not peeling Replace with new ones if necessary Handle greases and solvents with care by followi...

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Page 11: ...n 1 4 1 1 Paper mis feed indication 1 4 1 2 Paper mis feed detection condition 1 4 1 1 4 2 Self diagnostic function 1 4 5 1 Self diagnostic function 1 4 5 2 Self diagnostic codes 1 4 5 1 4 3 Electric...

Page 12: ...er feed 2 1 3 4 Left cassette paper feed 2 1 5 2 2 Electrical Parts Layout 2 2 1 Electrical parts layout 2 2 1 1 PWB and sensors 2 2 1 2 Motors and others 2 2 3 2 3 Operation of the PWBs 2 3 1 PF main...

Page 13: ...r weight 60 to 256g m2 Paper types Plain 80g m2 or less Thick 256g m2 or less recycled Paper size A4 B5 Letter Paper capacity 3000 sheets 1 500 sheets x 2 80g m2 Dimensions 598 W x 315 H x 706 6 D mm...

Page 14: ...3NF 1 1 2 1 1 2 Parts names Figure 1 1 1 1 2 3 4 1 Cassette 4 2 Cassette 3 3 Lift plate 4 PF paper conveying cover...

Page 15: ...3NF 1 1 3 1 1 3 Machine cross section Figure 1 1 2 Paper path...

Page 16: ...3NF 1 1 4 This page is intentionally left blank...

Page 17: ...umidity or low temperature and low humidity an abrupt change in the environmental temperature and cool or hot direct air Avoid places subject to dust and vibrations Choose a surface capable of support...

Page 18: ...3NF 1 2 2 1 2 2 Unpacking 1 Precaution for unpacking Hold the positions shown in the figure and remove the paper feeder from the outer case Figure 1 2 1...

Page 19: ...uter case 3 Inner case 4 Bottom left pad 5 Bottom right pad 6 Upper left pad 7 Upper right pad 8 Rear pad 9 Machine cover 10 Plastic bag 11 Installation guide 12 Accessory box 13 Plastic bag 14 Paper...

Page 20: ...3NF 1 2 4 2 Remove the tapes and pad Procedure 1 Remove nine tapes Figure 1 2 3 2 Remove six tapes and then remove the retainer and the leaflet Figure 1 2 4 Tapes Tapes Tapes Tapes Retainer Leaflet...

Page 21: ...plate stopper from cassette and attach it to the storage location When moving the machine attach the lift plate in original position 6 Gently push right cassette back in 7 Remove the stopper similarly...

Page 22: ...he right cassette forward 2 Remove four screws and then remove the right cassette Figure 1 2 7 3 Pull the left cassette forward 4 Remove four screws and then remove the left cassette Figure 1 2 8 Scre...

Page 23: ...1 2 7 5 Install three wire saddles on the bottom frame of the paper feeder 6 Install the cassette heater by using two screws Figure 1 2 9 Cassette heater Screw Screw Wire saddle Wire saddle Wire sadd...

Page 24: ...8 Pass through the wire of the cassette heater to three wire saddles Figure 1 2 10 9 Insert two hooks of the heater cover to the holes of base of paper feeder each 10 Install the heater cover by using...

Page 25: ...3NF 1 2 9 11 Adhere the high temperature caution label after wiping the bottom frame of this side of cassette heater with alcohol Figure 1 2 12 High temperature caution label...

Page 26: ...3NF 1 2 10 This page is intentionally left blank...

Page 27: ...eric keys Enter the maintenance item number using the cursor up down keys or numeric keys The selected maintenance item is run Press the stop key Press the start key Start End Maintenance mode is ente...

Page 28: ...per conveying system U034 Adjusting the print start timing LSU Out Top 0 0 0 0 0 0 0 0 0 0 0 0 LSU Out Left 0 0 0 0 0 0 0 0 0 LSU Out Top B W 0 0 0 0 0 0 LSU Out Top 3 4 0 0 0 0 0 0 Operation panel an...

Page 29: ...Press the start key 2 Select the item to be output using the cursor up down keys 3 Press the start key A list is output 4 Press the start key The interrupt print mode is entered and a list is output W...

Page 30: ...er switch on 4 Enter the maintenance item 5 Press the start key 6 Select the item to be send 7 Select Text or HTML 8 Press the start key Output will be sent to the USB memory Completion Press the stop...

Page 31: ...0 999 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Count 9999999 8888888 7777777 6666666 5555555 4444444 3333333 2222222 1111111 999999 888888 777777 666666 555555 444444 1 Event Descriprions 0501 01 08 01...

Page 32: ...f paper source Hexadecimal 00 MP tray 01 Cassette 1 02 Cassette 2 03 Cassette 3 paper feeder large capacity feeder 04 Cassette 4 paper feeder large capacity feeder 05 Cassette 5 side feeder SMT paper...

Page 33: ...01 Face down FD 02 Face up FU 1000 sheet finisher face up FU 4000 sheet finisher left sub tray FU 03 1000 sheet finisher face down FD 4000 sheet finisher main tray FD 05 Job separator tray 06 4000 sh...

Page 34: ...ce ment are logged The total page count at the time of the replacement of the toner container Code of maintenance replacing item 1 byte 2 categories First byte Replacing item 01 Toner container Second...

Page 35: ...on location Refer to Paper Jam Log All instances includ ing those are not occurred are dis played Indicates the log counter of self diag nostics errors depending on cause Example C6000 4 Self diagnos...

Page 36: ...ette 1000 Finisher Installed Installed Installed Installed Installed Installed FAX Information Slot1 Slot2 Rings Normal Rings FAX TEL Rings TAD Option DIMM Size 3 3 3 16 MB Print Coverage Average Tota...

Page 37: ...00000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000...

Page 38: ...Installed 14 Presence or absence of the job separator Installed Not Installed 15 Presence or absence of the printed document guard kit Installed Not Installed 16 Presence or absence of the IC card aut...

Page 39: ...ncy of the present software version and the ME firmware version _ underscore OK Asterisk NG e ME firmware version f The oldest time stamp of the ME database ver sion Normal if a and d are underscored...

Page 40: ...counts 1 A3 Single count Less than 420 mm length 2 Legal Single count 356 mm or less length 3 Folio Single count Less than 330 mm length 49 Black and white printing double count mode 0 All single cou...

Page 41: ...cription No Description Supplement 59 Calibration information Black Cyan Magenta Yellow 60 Calibration information 61 Calibration information 62 Calibration information 63 Calibration information 64 C...

Page 42: ...RFID RFID ROM IH CPU IH CPU ROM IH CPU Boot IH CPU booting Motor CPU Motor CPU ROM Motor CPU Boot Motor CPU booting Dictionary Option Language Optional language ROM PDF1 7 Resource PDF1 7 resource RO...

Page 43: ...large capacity feeder booting DF 1000 sheet finisher 4000 sheet finisher ROM DF Boot 1000 sheet finisher 4000 sheet finisher booting PH Punch unit ROM PH Boot Punch unit booting MT Mailbox ROM MT Boot...

Page 44: ...adjustment if there is a regular error between the center lines of the copy image and original Method 1 Press the start key 2 Select the item to be adjusted Item No Description Display Description LS...

Page 45: ...0 0 0 1 mm Cassette Half L Paper feed from cassette when large size thick paper is used 3 0 to 3 0 0 0 1 mm Duplex L Duplex mode second when large size paper is used 3 0 to 3 0 0 0 1 mm Duplex Half L...

Page 46: ...perform the following adjustments in maintenance mode Item No Description Display Description Setting range Initial setting Change in value per step MPT L Paper feed from MP tray when large size paper...

Page 47: ...r selecting a maintenance item No is displayed Item No Description Display Description Setting range Initial setting Change in value per step MPT Paper feed from MP tray 3 0 to 3 0 0 0 1 mm Cassette1...

Page 48: ...escription Display Description 2PF Paper feeder LCF Large capacity feeder Side Deck Side feeder SMT SMT paper feeder Side 2PF Side paper feeder Side LCF Side large capacity feeder Display Description...

Page 49: ...ing clutch 2 PFPCCL2 is turned on V Feed PF paper conveying clutch 3 PFPCCL3 is turned on H Feed1 PF paper feed clutch 1 PFPFCL1 is turned on H Feed2 PF paper feed clutch 2 PFPFCL2 is turned on Soleno...

Page 50: ...ater control Purpose To change the setting according to the machine installation environment Setting 1 Press the start key 2 Select On or Off Initial setting Off 3 Press the start key The setting is s...

Page 51: ...e can be selected When an optional paper feed device is not installed the corresponding count is not dis played 3 Press the start key The setting is set Completion Press the stop key The screen for se...

Page 52: ...ared Cassette3 Cassette4 Cassette5 Cassette6 and Cassette7 cannot be cleared 2 Select the counts for all and press Clear 3 Press the start key The counts is cleared Completion Press the stop key The s...

Page 53: ...on panel To remove paper mis feed in the machine pull out the cassette open the paper conveying unit or paper conveying cover Figure 1 4 1 Paper mis feed indication 2 Paper mis feed detection conditio...

Page 54: ...sheets in cassette 7 PF feed sensor 2 PFFS2 does not turn off dur ing paper feed from cassette 7 M 2603 PF paper conveying sensor 1 non arrival jam PF paper conveying sensor 1 PFPCS1 does not turn on...

Page 55: ...1 SMTPCS1 does not turn on during paper feed from cassette 7 M 3416 SMT paper conveying sensor 1 stay jam SMT paper conveying sensor 1 SMTPCS1 does not turn off during paper feed from cassette 6 L 34...

Page 56: ...4 does not turn on during paper feed from cassette 7 M 3716 SMT paper conveying sensor 4 stay jam SMT paper conveying sensor 4 SMTPCS4 does not turn off during paper feed from cassette 6 L 3717 SMT pa...

Page 57: ...ithin 23 s This error is detected 2 times successively During driving the motor the lift overcurrent protective monitor signal is detected for 200 ms or more 4 times suc cessively However the first 1...

Page 58: ...not grease the bushes and gears Check for broken gears and replace if any Defective PF lift motor 1 Replace the PF lift motor 1 Defective PF main PWB Replace the PF main PWB and check for correct ope...

Page 59: ...urn to L within 2 s Defective connec tor cable or poor contact in the con nector Reinsert the connector Also check for conti nuity within the connector cable If none replace the cable PF paper feed mo...

Page 60: ...poor con tact in the connector Reinsert the connector Also check for continuity within the connector cable If none replace the cable PF lift motor 1 2 and PF main PWB YC7 2 Defective drive trans miss...

Page 61: ...ector cable or poor con tact in the connector Reinsert the connector Also check for continuity within the connector cable If none replace the cable PF paper size length switch 1 and PF main PWB YC3 PF...

Page 62: ...d PF paper width guide in a cassette installed incorrectly Check the PF paper width guide visually and remedy or replace if necessary 3 Multiple sheets of paper are fed Check if the paper is excessive...

Page 63: ...handling PWBs printed wiring boards do not touch parts with bare hands The PWBs are susceptible to static charge Do not touch any PWB containing ICs with bare hands or any object prone to static charg...

Page 64: ...paper feed and PF separation pulleys Right Procedure 1 Open the PF paper conveying cover 2 Remove the strap and then remove the PF paper conveying cover Figure 1 5 1 3 Remove the interface cover Figu...

Page 65: ...3NF 1 5 3 4 Remove four screws and then remove the right cover Figure 1 5 3 5 Pull out the right cassette 6 Remove the connector Figure 1 5 4 Screw Screw Right cover Screws Connector...

Page 66: ...3NF 1 5 4 7 Remove each two fixed screws of the PF primary paper feed unit 8 Remove the PF primary units Figure 1 5 5 Screws PF primary paper feed unit PF primary paper feed unit...

Page 67: ...lley Right 13 Clean or replace the PF forwarding pul ley Right PF paper feed pulley Right and PF separation pulley Right 14 Refit the PF forwarding pulley Right PF paper feed pulley Right and PF separ...

Page 68: ...ease lever at the bottom of the PF pri mary feed unit see P 1 5 5 Align the pin at the far end vertical and insert it into the coupling to fit the unit Figure 1 5 8 PF primary paper feed unit Pin Driv...

Page 69: ...cassette com pletely 2 Pull the PF paper conveying unit 3 Remove the screw and remove the stopper 4 Remove the PF paper conveying unit Figure 1 5 9 5 Turn the PF paper conveying unit inside out 6 Rem...

Page 70: ...pulley Left 11 Clean or replace the PF forwarding pul ley Left PF paper feed pulley Left and PF separation pulley Left 12 Refit the PF forwarding pulley Left PF paper feed pulley Left and PF separa t...

Page 71: ...1 5 3 PWBs 1 Detaching and refitting the PF main PWB Procedure 1 Remove the wire cover Figure 1 5 13 2 Remove three screws and then remove the rear cover Figure 1 5 14 Wire cover Rear cover Screw Scr...

Page 72: ...move each the holder in two position and remove the PF main PWB 5 Check or replace the PF main PWB and refit all the removed parts Figure 1 5 16 PF main PWB PF main PWB YC12 YC11 YC5 YC4 YC2 YC1 YC16...

Page 73: ...ve three screws and then remove the rear cover seeP 1 5 7 2 Remove the connector of AC electrical wire from the paper feeder Figure 1 5 17 3 Remove three wire holders 4 Release three wire saddles and...

Page 74: ...n PWB and then release the electrical wires from two wire saddles Figure 1 5 19 7 Remove four screws and then remove the PF driving unit 8 Check or replace the PF driving unit and refit all the remove...

Page 75: ...and then remove the rear cover seeP 1 5 7 2 Remove each the connector 3 Remove each three screws and then remove the PF lift motor 1 2 4 Check or replace the PF lift motor and refit all the removed p...

Page 76: ...3NF 1 5 14 This page is intentionally left blank...

Page 77: ...manner and guided by the driving roller into the device 1 Right cassette section Figure 2 1 1 Right cassette section 13 14 15 16 6 7 13 12 3 10 11 14 2 17 4 5 8 9 1 1 PF forwarding pulley 1 2 PF pape...

Page 78: ...PF paper feed pulley 2 3 PF separation pulley 2 4 PF feed roller 2 5 PF feed pulley 6 PF size detection switch 2 PFSDSW2 7 PF cassette detection switch 2 PFCDSW2 8 PF paper gauge sensor 2 upper PFPGS2...

Page 79: ...rator roller 1 acts to prevent multiple page feeding and transfer the paper to the PF feed roller 2 into the device The PF separator roller is equipped with a torque limiter which prevents multi page...

Page 80: ...PFPCS1 PFPUSOL1 PFPS1 PFLS1 PFFS1 PFSDSW1 PFPGS1 U PFPGS1 L YC7 3 4 YC5 13 YC5 16 YC15 3 YC15 1 YC5 18 OUT1B OUT1A EMPTY_R_SW LIMY_R_SW PF_R_CL FD_R_SW HFDCL1 YC5 7 YC3 3 YC3 6 YC16 1 2 3 4 YC3 15 YC5...

Page 81: ...feeding and transfer the paper to the PF feed roller 2 into the device The PF separator roller 2 is equipped with a torque limiter which prevents multi page feeding to the device Figure 2 1 5 Left ca...

Page 82: ...FS2 PFSDSW2 PFPUSOL2 YC4 3 YC6 3 YC6 6 YC7 3 4 YC6 15 YC14 7 8 YC4 8 YC15 7 YC4 6 EMPTY_L_SW PAP_L_SW2 PAP_L_SW1 OUT1B OUT1A SIZE_L_SW PF_L_SOL_ACT PF_L_SOL_KEP FD_L_SW FP_L_C L LIMIT_L_SW PFMPWB PFPC...

Page 83: ...2 PFLS2 Detects the lifts of cassette 4 reaching the upper limit 7 PF feed sensor 1 PFFS1 Detect paper jams of paper feed section in the cassette 3 8 PF feed sensor 2 PFFS2 Detect paper jams of paper...

Page 84: ...PF cassette detection switch 2 PFCDSW2 Detects the presence of cassette 4 17 PF paper conveying sensor 1 PFPCS1 Detects a paper mis feed in the paper vertical conveying section 18 PF paper conveying...

Page 85: ...sion to PF paper conveying rollers in ver tical conveying section 7 PF paper conveying clutch 2 PFPCCL2 Regulates drive transmission to PF paper conveying rollers in horizontal conveying section 8 PF...

Page 86: ...3NF 2 2 4 This page is intentionally left blank...

Page 87: ...3NF 2 3 1 2 3 Operation of the PWBs 2 3 1 PF main PWB Figure 2 3 1 PF main PWB silk screen diagram 1 1 1 9 19 12 1 2 7 8 1 1 4 6 1 18 19 1 1 3 4 1 1 8 YC5 YC4 YC13 YC6 YC3 YC16 YC7 YC15 YC14 YC12 YC11...

Page 88: ...C 1 2 V DC power output to PFSDSW1 14 GND Ground 15 SIZE_R_SW I 0 3 3 V DC PFSDSW1 On Off 16 DEK_R_SW1_P W O 1 2 V DC 1 2 V DC power output to PFCDSW1 17 GND Ground 18 DEK_R_SW4 I 0 3 3 V DC PFCDSW1 O...

Page 89: ...12 GND Ground 13 EMPTY_R_SW I 0 3 3 V DC PFPS1 On Off 14 LIMIT_R_SW_P W O 1 2 V DC 1 2 V DC power output to PFLS1 15 GND Ground 16 LIMIT_R_SW I 0 3 3 V DC PFLS1 On Off 17 3 3V1 O 3 3 V DC 3 3 V DC po...

Page 90: ...ected to the engine PWB 2 GND Ground 3 24V1 I 24 V DC 24 V DC power input from machine 4 24V1 I 24 V DC 24 V DC power input from machine YC12 1 GND Ground Connected to the side deck 2 GND Ground 3 24V...

Page 91: ...ch 1 PF paper conveying clutch 2 PF paper con veying clutch 3 PF paper feed clutch 2 2 24V1 O 24 V DC 24 V DC power output to PFPFCL1 3 HFDCL1 O 0 24 V DC PFPCCL2 On Off 4 24V1 O 24 V DC 24 V DC power...

Page 92: ...3NF 2 3 6 This page is intentionally left blank...

Page 93: ...Y RETARD 302K906360 2K906360 PF separation pulley 2 PF forwarding pulley 1 PULLEY PICKUP 302K906370 2K906370 PF forwarding pulley 2 PF paper conveying roller PARTS ROLLER CONVEYING VF SP 303NP94070 3N...

Page 94: ...n Check Replace Clean with alcohol or a dry cloth Replace after feeding 150 000 sheets P 1 5 2 P 1 5 7 PF forwarding pulley 1 Check Clean Check Replace Clean with alcohol or a dry cloth Replace after...

Page 95: ...W PFRSOL PFPUSOL2 PFPS2 PFLS2 PFFS2 PFPCS2 PFPFM PFMPWB PFPCCL3 PFPCCL2 PFPFCL1 Side Deck PFPFCL2 3 Wiring diagram 2 1 2 1 1 2 3 4 1 2 3 4 OUT2B OUT2A OUT1B OUT1A 1 2 3 4 1 2 3 4 ENG_SDO ENG_SDI ENG_C...

Page 96: ...2011...

Page 97: ...2011...