Utax PF 470 Service Manual Download

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Summary of Contents for PF 470

Page 1: ...Service Manual Paper Feeder PF 470 PF 471 First Edition Date 22 11 2010 3NNSM060 ...

Page 2: ...Service Manual Paper Feeder PF 470 PF 471 First Edition Date 22 11 2010 3NNSM060 ...

Page 3: ...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 LES INSTRUCTIONS DONNEES Il peut être illégal de jeter les batteries dans des eaux d égout municipales Vérifiez avec les fonctionnaires municipaux de votre région pour les détails concernant des déchet...

Page 4: ...Revision history Revision Date Replaced pages Remarks ...

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Page 6: ...rsonnel 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 with the warnings and precautions described here before engaging in maintenance activities ...

Page 7: ... 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 a warning including danger and caution The specific point of attention is shown inside the symbol General warning Warning of risk of electric shock Warning of high temperature indicates a prohibited...

Page 8: ...d 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 the copier to allow the ventilation grills to keep the machine as cool as possible Insufficient ventilation may cause heat buildup and poor copying performance Always handle the machine by the correct ...

Page 9: ... 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 is dirty clean it to remove the risk of fire or electric shock Never attempt to disassemble the optical unit in machines using lasers Leaking laser light may damage eyesight Handle the charger section...

Page 10: ...r trapped wire and missing screws Check that all the 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 following the instructions below Use only a small amount of solvent at a time being careful not to spill Wipe spills off completely Ventilate the room wel...

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Page 12: ...enance mode items 1 3 3 1 4 Troubleshooting 1 4 1 Paper misfeed detection 1 4 1 1 Paper misfeed indication 1 4 1 2 Paper misfeed detection condition 1 4 1 1 4 2 Self diagnostic function 1 4 4 1 Self diagnostic function 1 4 4 2 Self diagnostic codes 1 4 4 1 4 3 Electric problems 1 4 6 1 4 4 Mechanical problems 1 4 8 1 5 Assembly and disassembly 1 5 1 Precautions for assembly and disassembly 1 5 1 1...

Page 13: ...s Layout 2 2 1 Electrical parts layout 2 2 1 1 Paper feeder single cassette 2 2 1 2 Paper feeder double cassette 2 2 2 2 3 Operation of the PWBs 2 3 1 PF main PWB 2 3 1 2 4 Appendixes 2 4 1 Appendixes 2 4 1 1 Wiring diagram 2 4 1 ...

Page 14: ...uble cassette Paper weight 52 to 163 g m2 Paper type Plain Recycled Color Colour Paper size A3 A4R A4 A5R B5R B5 Folio Ledger LetterR Letter Legal Statement Executive Oficio II 8K 16KR 16K Loading capacity 500 sheets 80 g m2 500 sheets 80 g m2 2 Dimensions W D H 590 589 352 mm 23 1 4 23 3 16 13 7 8 Weight Approx 21 kg Approx 46 lb Power source Electrically connected to the machine ...

Page 15: ... names 1 Paper feeder single cassette Figure 1 1 1 8 6 7 1 4 5 2 4 6 3 9 1 Cassette 2 2 Paper type window 3 Box cover 4 Paper width guides 5 Paper length guide 6 Positioning pins 7 Interface connector 8 Right cover 3 9 Cabinet ...

Page 16: ...3 2 Paper feeder double cassette Figure 1 1 2 8 6 7 2 4 5 1 3 3 4 6 1 Cassette 2 2 Cassette 3 3 Paper type windows 4 Paper width guides 5 Paper length guide 6 Positioning pins 7 Interface connector 8 Right cover 3 ...

Page 17: ...3NN 3NP 1 1 4 1 1 3 Machine cross section 1 Paper feeder single cassette Figure 1 1 3 2 Paper feeder double cassette Figure 1 1 4 Paper path Paper path ...

Page 18: ...h humidity 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 supporting the weight of the machine Place the machine on a level surface maximum allowance inclination 1 Avoid air borne substances that may adversely affect the machine or degrade the photoconductor suc...

Page 19: ... 13 16 15 1 Paper feeder 2 Outer case 3 Inner case 4 Bottom left pad 5 Bottom right pad 6 Upper left front pad 7 Upper left back pad 8 Upper right front pad 9 Upper right back pad 10 Top spacer 11 Plastic sheet 12 Plastic bag 240 350 13 Plastic bag 70 110 14 Installation guide etc 15 Cursor pins 16 Paper size plates ...

Page 20: ... 4 1 5 2 3 9 7 6 8 11 15 16 10 13 14 12 13 1 Paper feeder 2 Outer case 3 Inner case 4 Bottom left pad 5 Bottom right pad 6 Upper left front pad 7 Upper left back pad 8 Upper right front pad 9 Upper right back pad 10 Top spacer 11 Plastic sheet 12 Plastic bag 240 350 13 Plastic bag 70 110 14 Installation guide etc 15 Cursor pins 16 Paper size plates ...

Page 21: ...3NN 3NP 1 2 4 3 Removing the tapes 1 Remove four tapes Figure 1 2 3 Tape Tape Tape Tape ...

Page 22: ...e maintenance item number using the cursor left right keys or numeric keys The selected maintenance item is run Press the stop key Press the start key Start End Maintenance mode is entered The maintenance item is selected Maintenance mode is exited and the system is restarted to initialize it and to reflect the setting changes Repeat the same maintenance item Run another maintenance item Turn the ...

Page 23: ... version Drive paper feed and paper con veying sys tem U034 Adjusting the print start timing Leading edge registration Center line 0 0 0 0 0 0 0 0 0 0 0 U051 Adjusting the deflection in the paper 0 0 0 0 Mode setting U341 Specific paper feed location setting for printing function Others U901 Checking copy counts by paper feed locations ...

Page 24: ...on Press the stop key The screen for selecting a maintenance item No is displayed Display Description Main Main ROM MMI Operation ROM Engine Engine ROM Engine Boot Engine booting RFID RFID ROM IO CPU IO CPU ROM IO CPU Boot IO CPU booting Option Language Optional language ROM Dictionary DP Document processor ROM DP Boot Document processor booting PF Paper feeder ROM PF Boot Paper feeder booting DF ...

Page 25: ... the item to be adjusted Large size 218 mm or more in width of paper Item No Description Display Description LSU Out Top Leading edge registration adjustment LSU Out Left Center line adjustment Display Description Setting range Initial setting Change in value per step MPT L Paper feed from MP tray when large size paper is used 128 to 127 0 0 1 mm Cassette L Paper feed from cassette when large size...

Page 26: ...mode Adjustment Center line adjustment 1 Press the system menu key 2 Press the start key to output a test pattern 3 Press the system menu key 4 Select the item to be adjusted Item No Description Correct image Output example 1 Output example 2 Leading edge registration 20 1 5 mm U034 U066 See the service manual for the machine U071 See the service manual for the machine Display Description Setting ...

Page 27: ...t Caution Check the copy image after the adjustment If the image is still incorrect perform the following adjustments in maintenance mode Completion Press the stop key The screen for selecting a maintenance item No is displayed Item No Description Center line of printing within 0 5 mm Correct image Output example 1 Output example 2 U034 U067 See the service manual for the machine U072 See the serv...

Page 28: ...he setting value using the cursor left right keys or numeric keys For output example 1 increase the value For output example 2 decrease the value The greater the value the larger the deflection the smaller the value the smaller the deflec tion Figure 1 3 3 7 Press the start key The value is set Completion Press the stop key The indication for selecting a maintenance item No appears Item No Descrip...

Page 29: ...used for copy output Method 1 Press the start key 2 Select the paper feed location for the printer 3 Select On or Off using the cursor left right keys When an optional paper feed device is not installed the corresponding count is not dis played 4 Press the start key The setting is set Completion Press the stop key The screen for selecting a maintenance item No is displayed Item No Description Disp...

Page 30: ...d When an optional paper feed device is not installed the corresponding count is not dis played Clearing 1 Select the counts to be cleared Cassette2 and Cassette3 cannot be cleared 2 Select the counts for all and press Clear 3 Press the start key The counter value is cleared Completion Press the stop key The screen for selecting a maintenance item No is displayed Item No Description Display Descri...

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Page 32: ...r feed sensor1 PF paper feed sensor2 Feed sensor MP paper feed sensor Eject sensor Paper full sensor 1 2 3 4 5 6 7 DP paper feed sensor DP timing sensor DP regist sensor DP switchback sensor Eject paper sensor Duplex sensor 10 11 12 13 8 9 Paper jam location MP tray Cassette1 Cassette2 Cassette3 Machine inside Duplex section Right cover2 Job separatot tray Bridge Document finsher DP original tray ...

Page 33: ... registration sensor RS does not turn off dur ing paper feed from cassette 2 E 4013 The registration sensor RS does not turn off dur ing paper feed from cassette 3 E 4202 Eject sensor non arrival jam The eject sensor ES does not turn on during paper feed from cassette 2 F 4203 The eject sensor ES does not turn on during paper feed from cassette 3 F 4212 Eject sensor stay jam The eject sensor ES do...

Page 34: ...e conveying sensor 3 BRCS3 does not turn on during paper feed from cassette 2 J 5003 The bridge conveying sensor 3 BRCS3 does not turn on during paper feed from cassette 3 J 5012 Bridge conveying sensor 3 stay jam The bridge conveying sensor 3 BRCS3 does not turn off during paper feed from cassette 2 J 5013 The bridge conveying sensor 3 BRCS3 does not turn off during paper feed from cassette 3 J C...

Page 35: ...y within the connector cable If none replace the cable PF lift motor 1 and PF main PWB YC4 Defective drive transmission sys tem of the PF lift motor 1 Check if the gears rotate smoothly If 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 see page 1 5 4 1030 PF lift motor err...

Page 36: ...tinuously in agreement 5 times Defective PF main PWB Replace the PF main PWB see page 1 5 4 Device damage of EEPROM Contact the Service Administrative Division 2600 PF drive motor error paper feeder When the PF drive motor is driven error signal is detected continuously for 1 s Defective connec tor cable or poor contact in the con nector Reinsert the connector Also check for conti nuity within the...

Page 37: ...main PWB YC4 PF paper feed clutch 2 and PF main PWB YC7 2 Defective clutch Replace the drive unit 3 Defective PWB Replace the PF main PWB and check for correct operation see page 1 5 4 3 PF conveying clutch does not operate 1 Defective connector 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 conveying...

Page 38: ...tch Replace PF paper size switch 3 Defective PWB Replace the PF main PWB PWB and check for correct operation see page 1 5 4 6 A paper jam in the paper feeder is indicated when the main power switch is turned on 1 A piece of paper torn from paper is caught around PF feed sen sor 1 or 2 Check visually and remove it if any 2 Defective PF feed sensor 1 or 2 Replace PF feed sensor 1 or 2 7 A message in...

Page 39: ...rmed see page 1 5 2 Defective PF paper feed clutch installa tion Check visually and remedy if necessary 2 Skewed paper feed Paper width guide in a cassette installed incorrectly Check the paper width guide visually and remedy or replace if necessary 3 Multiple sheets of paper are fed Check if the paper is excessively curled Change the paper Paper is loaded incorrectly Load the paper correctly Chec...

Page 40: ...s and gears operate smoothly Grease the bushes and gears Check if the following clutches are installed correctly PF paper feed clutch 1 PF paper feed clutch 2 PF conveying clutch Check visually and remedy if necessary Problem Causes check procedures Corrective measures ...

Page 41: ...g the power cable from the wall outlet When 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 charge When removing the hook of the connector be sure to release the hook Take care not to get the cables caught To reassemble the parts use the original screws...

Page 42: ...aching and refitting the primary paper feed units Procedure 1 Remove cassette Figure 1 5 1 2 Push up the paper feed lever yellow and then remove the primary paper feed unit Figure 1 5 2 Cassette p p Primary paper feed unit Paper feed lever yellow ...

Page 43: ...e three hooks and then remove the rear cover Figure 1 5 3 3 Remove the connector of the motor 4 Release the wire from hooks 5 Remove three screws and then remove the drive unit Figure 1 5 4 Rear cover Screw Screw Hooks rear side Hooks Hooks Hook Drive unit Screw Screw Screw Motor Connector Wire ...

Page 44: ... refitting the PF main PWB Procedure 1 Remove the rear cover 2 Remove all connectors from the PF main PWB 3 Remove two screws 4 Release two hooks and then remove the PF main PWB Figure 1 5 5 PF main PWB PF main PWB Hook Screw Screw ...

Page 45: ... 4 About 50 seconds later Farmware Update will be displayed this shows to start the download 5 Display the software that now upgrad ing CTRL DP PF DF AK IO ENGN FAX OPT DIC PANL Figure 1 6 1 SAMPLE Firmware Update The first line Display shown while updating it CTRL The second line Display that shows update object xxx The third line The progress of the update is displayed with 6 Display the complet...

Page 46: ...ection by rotation of the paper feed roller Also the retard roller prevents multiple feeding of paper 1 Paper feeder single cassette Figure 2 1 1 Paper feeder single cassette 12 10 11 5 2 7 1 14 3 6 8 9 13 4 1 Pickup roller 2 Paper feed roller 3 Retard roller 4 Feed roller 1 5 PF lift sensor 1 PFLS1 6 Cassette base 7 Bottom plate 8 Bottom pad 9 Lift work plate 10 PF paper sensor 1 U PFPS1 U 11 PF ...

Page 47: ...ed roller 2 6 Feed pulley 7 PF lift sensor 1 PFLS1 8 PF lift sensor 2 PFLS2 9 Cassette base 10 Bottom plate 11 Bottom pad 12 Lift work plate 13 PF paper sensor 1 U PFPS1 U 14 PF paper sensor 1 L PFPS1 L 15 PF paper sensor 2 U PFPS2 U 16 PF paper sensor 2 L PFPS2 L 17 Actuator PF paper sensor 1 18 Actuator PF paper sensor 2 19 PF feed sensor 1 PFFS1 20 PF feed sensor 2 PFFS2 21 Actuator PF feed sen...

Page 48: ...4 1 YC2 4 REG_CL_REM PFFS1 REG_CL_REM2 PFPS1 U PAPWSIZE1 PAPLSIZE1 1 2 3 LIFT_REM1 MAIN_REM PFFS2 5 PFLS1 PFLS2 5 PFFS1 YC3 3 REG_CL_REM1 YC4 3 PFLS1 PFPS1 L LIFT_REM2 YC6 3 PFLS2 PFPS2 U PFPS2 L PAPLSIZE2 1 2 3 PFPLSW2 PAPWSIZE2 PFFS2 Paper feeder double casette only PFPWSW1 PFPF CL1 PFDM PFPF CL2 PFC CL PFPS2 U PFPS1 U PFPS1 L PFPS2 L PFPWSW2 ...

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Page 50: ...of paper in cassette 2 5 PF paper sensor 1 L PFPS1 L Detects the presence of paper in cassette 2 6 PF paper size length switch 1 PFPLSW1 Detects the length of paper in cassette 2 7 PF paper size width switch 1 PFPWSW1 Detects the width of paper in cassette 2 8 PF feed sensor1 PFFS1 Detects a paper jam 9 PF drive motor PFDM Drives the paper feeder 10 PF lift motor 1 PFLM1 Drives the bottom plate of...

Page 51: ...S2 U Detects the presence of paper in cassette 3 8 PF paper sensor 2 L PFPS2 L Detects the presence of paper in cassette 3 9 PF paper size length switch 1 PFPLSW1 Detects the length of paper in cassette 2 10 PF paper size length switch 2 PFPLSW2 Detects the length of paper in cassette 3 11 PF paper size width switch 1 PFPWSW1 Detects the width of paper in cassette 2 12 PF paper size width switch 2...

Page 52: ...eed clutch 1 PFPFCL1 Primary paper feed from cassette 2 19 PF paper feed clutch 2 PFPFCL2 Primary paper feed from cassette 3 20 PF conveying clutch PFCCL Conveys paper to the machine 21 PF cassette heater PFCH Dehumidifies paper ...

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Page 54: ...NP 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 12 11 1 2 1 2 13 14 5 6 7 11 8 12 1 2 1 2 1 1 2 6 8 1 7 1 6 1 YC3 YC4 YC1 YC2 YC9 YC7 YC8 U1 U3 U4 U2 YC5 YC6 ...

Page 55: ... I 0 3 3 V DC pulse Serial communication clock signal YC2 1 MAIN_DIR O 0 3 3 V DC Drive select signal to PFDM Connected to the PF drive motor 2 MAIN_READY I 0 3 3 V DC Ready signal 3 MAIN_CLK O 0 3 3 V DC pulse Clock signal to PFDM 4 MAIN_REM O 0 3 3 V DC PFDM On Off 5 GND Ground 6 24V4 O 24 V DC 24 V DC power output to PFDM YC3 1 3 3V4 O 3 3 V DC 3 3 V DC power output to PFLS1 Connected to the PF...

Page 56: ... I 0 3 3 V DC PFPLSW1 On Off 3 GND Ground 4 PAPLSIZE1 1 I 0 3 3 V DC PFPLSW1 On Off 5 PAPWSIZE1 I 0 3 3 V DC PFPWSW1 On Off 6 GND Ground 7 COVEROPEN I 0 3 3 V DC RC3SW On Off 8 GND Ground YC6 1 3 3V4 O 3 3 V DC 3 3 V DC power output to PFLS2 Connected to the PF paper sensor 2 U L PF lift sensor 2 and PF feed sen sor 2 2 GND Ground 3 PFLS2 I 0 3 3 V DC PFLS2 On Off 4 3 3V4 O 3 3 V DC 3 3 V DC power...

Page 57: ...CL2 On Off 4 NC Not used 5 24V4 O 24 V DC 24 V DC power output to PFPFCL2 YC8 1 PAPLSIZE2 3 I 0 3 3 V DC PFPLSW2 On Off Connected to the PF paper size length switch 2 and PF paper size width switch 2 2 PAPLSIZE2 2 I 0 3 3 V DC PFPLSW2 On Off 3 GND Ground 4 PAPLSIZE2 1 I 0 3 3 V DC PFPLSW2 On Off 5 PAWLSIZE2 I 0 3 3 V DC PFPWSW2 On Off 6 GND Ground Connector Pin Signal I O Voltage Description ...

Page 58: ... 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 3 2 1 3 2 1 3 2 1 3 2 1 3 2 1 3 2 1 1 2 3 3 2 1 3 2 1 3 3V4 GND PFLS1 3 3V4 GND PFPS1 U 3 3V4 GND PFPS1 L 3 3V4 GND PFFS1 2 1 4 3 2 1 PAPLSIZE1 3 PAPLSIZE1 2 GND PAPLSIZE1 1 PAPWSIZE1 GND COVEROPEN GND 1 2 3 4 5 6 7 8 2 1 1 2 3 4 5 6 7 8 PFPLSW1 2 1 2 1 4 3 2 1 PFPWSW1 RC3SW YC5 PFPS2 L PFPS2 U PFLS2 PFFS2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...

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