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3M0

1-5-2

1-5-2 Paper feed section

(1) Detaching and refitting the forwarding, paper feed and separation pulleys

Follow the procedure below to replace the forwarding, paper feed and separation pulleys.

Procedure

Removing the paper feed unit

1. Open the top cover.
2. Remove straps from the paper feed unit

front and rear.

Figure 1-5-1

3. Remove four screws and remove the left

cover.

Figure 1-5-2

Strap

Strap

Paper feed unit

Left cover

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Summary of Contents for PF-660

Page 1: ...SERVICE MANUAL Published in December 2008 843M0110 3M0SM060 First Edition PF 660 B...

Page 2: ...icials 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 LE...

Page 3: ...Revision history Revision Date Replaced pages Remarks...

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 compliance 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 the...

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: ...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 necess...

Page 10: ...This page is intentionally left blank...

Page 11: ...eds 1 4 2 1 4 2 Self diagnosis 1 4 3 1 Self diagnostic function 1 4 3 2 Self diagnostic codes 1 4 3 1 4 3 Electric problems 1 4 5 1 4 4 Mechanical problems 1 4 6 1 5 Assembly and Disassembly 1 5 1 Pre...

Page 12: ...3M0 This page is intentionally left blank...

Page 13: ...1 2 14 8 1 2 11 11 8 1 2 Paper weight 60 to 200 g m2 Paper type Plain recycled colored paper and thick paper Power source Electrically connected to the machine Dimensions W D H 670 553 705 mm 26 3 8...

Page 14: ...3M0 1 1 2 1 1 2 Parts names 1 Parts names Figure 1 1 1 1 2 4 5 3 1 Release lever 2 Top cover 3 Loading paper indicator 4 Tray switch TSW 5 Loading paper sensor LPS...

Page 15: ...3M0 1 1 3 1 1 3 Cross section view Figure 1 1 2 Paper path Paper feed section Paper lifter lift section...

Page 16: ...3M0 1 1 4 This page is intentionally left blank...

Page 17: ...mperature and humidity abrupt ambient temperature changes and hot or cold air directed onto the machine Avoid dust and vibration Choose a surface capable of supporting the weight of the machine Place...

Page 18: ...Plastic bag 5 Skid 6 Bottom pad 7 Front left pad 8 Front right pad 9 Rear left pad 10 Rear right pad 11 Top pad 12 Outer case 13 Tray spacers 14 Feed spacer 15 Tray sheet 16 Installation guide etc 17...

Page 19: ...es tray spacers feed spacer and tray sheet as follows before machine installation 1 Remove the four tapes Figure 1 2 2 2 Open the top cover 3 Remove the tray spacers feed spacer and tray sheet Figure...

Page 20: ...3M0 1 2 4 This page is intentionally left blank...

Page 21: ...c keys Enter 001 using the cursor up down keys or numeric keys and press the start key Enter the maintenance item number using the cursor up down keys or numeric keys The selected maintenance item is...

Page 22: ...A4 or B5 Initial setting A4 220 240 V specifications 11 x 8 5 120 V specifications 3 Press the start key The setting is set Setting Paper size for the large size side feeder 1 Press the start key 2 S...

Page 23: ...d in reverse Completion Press the stop clear key The screen for selecting a maintenance item No is displayed Maintenance item No Description Display Switches FEED SW1 Side feeder feed switch 1 SFFSW1...

Page 24: ...1 Select ON or OFF The selected item is displayed in reverse Initial setting Drawer heater OFF side feeder dehumidifier OFF 2 Press the start key The setting is set and the screen for selecting a main...

Page 25: ...1 Select the count to be cleared The selected item is displayed in reverse To clear the counts for all paper feed locations press the reset key 2 Press the start key The count is cleared When clearing...

Page 26: ...count is cleared To return to the screen for selecting an item press the stop clear key Completion Press the stop clear key at the screen for selecting an item The screen for selecting a maintenance i...

Page 27: ...within specified time 1007 ms for 82 cpm 1295 ms for 62 cpm of the side feeder paper feed motor SFPFM turning on Side feeder feed switch 2 SFFSW2 does not turn on within specified time 530 ms for 82...

Page 28: ...7 and select the side feeder paper feed motor on the touch panel to be turned on and off Check the status and remedy if necessary Electrical problem with the side feeder paper feed motor Check 2 A pap...

Page 29: ...or 2 Paper level detection sensor 2 does not turn off within 38 s since the paper lifter has started to ascend The paper lifter is situated between paper level detection sensors 2 and 1 Paper level de...

Page 30: ...ert the connector Also check for conti nuity within the connector cable If none repair or replace the cable Broken gears belt or wire of side feeder lift drive unit Replace gears belt or wire of side...

Page 31: ...inals Reinsert the connector Also check for continuity within the con nector cable If none remedy or replace the cable 2 Broken the gear Check visually and replace the gear if necessary 3 Defective si...

Page 32: ...ulley pressure springs are properly fit Move the separation pulley pressure springs towards the inside 2 Multiple sheets of paper are fed at one time Check if the separation pulley is deformed Replace...

Page 33: ...ipped hard disk 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...

Page 34: ...llow the procedure below to replace the forwarding paper feed and separation pulleys Procedure Removing the paper feed unit 1 Open the top cover 2 Remove straps from the paper feed unit front and rear...

Page 35: ...eder Figure 1 5 3 Removing the forwarding pulley 6 Remove two screws and remove the lever 7 Loosen the two screws at the front and back of the paper feed unit until the upper paper feed guide revolves...

Page 36: ...ley shaft and remove the forwarding pulley Figure 1 5 6 Removing the paper feed pulley 11 Remove the stop ring and bushing from the paper feed pulley shaft 12 Pull the paper feed pulley shaft and remo...

Page 37: ...iginal position Figure 1 5 9 15 Remove the stop ring and the bushing from the separation pulley unit 16 Remove the separation pulley shaft from the separation pulley unit 17 Remove the stop ring and t...

Page 38: ...ulley unit to the paper feed unit Align the curved portions of the front and rear upper paper guides so that the curved portions are positioned above the roller axis 25 Tighten each screw of the paper...

Page 39: ...B replacement 1 Open the top cover 2 Remove the two screws and then remove the cursor R cover Figure 1 5 13 3 Remove the three screws and then remove the right cover Figure 1 5 14 Screw Screw Cursor R...

Page 40: ...s from the side feeder main PWB 6 Remove the four screws 7 Remove the side feeder main PWB from two board supports 8 Check or replace the side feeder main PWB and refit all the removed parts Figure 1...

Page 41: ...W 5 Leading feed holder 6 Upper paper feed guide 7 Retard holder 8 Feed upper guide 9 Feed lower guide 10 Feed shift pulley 11 Feed roller 12 Side feeder feed switch 1 SFFSW1 13 Side feeder feed switc...

Page 42: ...ort 9 Upper limit safety switch ULSSW 10 Low limit safety switch LLSSW 11 Tray lower limit detection sensor TLLDS 12 Tray upper limit detection sensor TULDS 13 Loading paper sensor LPS 14 Paper level...

Page 43: ...ft section block diagram TM REM1 OUT1 OUT1 R OUT2 TM REM2 SFMPWB SFLM ULSSW TSSW LLSSW TLLDS TLLDS TULDS TULDS LPS LPS PLDS1 PLDS1 PLDS2 PLDS2 LPWS LPWS YC1 15 YC1 2 YC3 A2 YC3 A5 YC3 A8 YC3 A11 YC4 9...

Page 44: ...3M0 2 1 4 This page is intentionally left blank...

Page 45: ...the machine breaks the safety circuit when the side feeder is detached from the machine 6 Top cover switch TCSW Detects whether the top cover is open or closed 7 Tray switch TSW For the controlling o...

Page 46: ...aper level detection sensor 1 PLDS1 Detects the paper level 17 Paper level detection sensor 2 PLDS2 Detects the paper level 18 Loading paper sensor LPS Detects the timing of paper lifter downward oper...

Page 47: ...HOLD R24V 24V TRAY MOT ALARM TRAY MOT TRAY MOT SW LED Motor driver IC Motor driver IC Motor driver IC EEPROM SCLK SDA 8 38 MHz I2C Over current detection circuit Detection Resistor Bleeder resistor Ov...

Page 48: ...3M0 2 3 2 Figure 2 3 2Side feeder main PWB silk screen diagram YC4 YC5 YC3 YC8 YC9 YC6 YC1 YC7 1 3 16 1 5 7 1 1 1 2 13 14 1 1 2 B12 A1 B1 A12 16 YC10 YC2 1 1 10 4...

Page 49: ...lse SFPCM drive signal 4 SFPCM B O 0 24 V DC pulse SFPCM drive signal 5 SFPFM A O 0 24 V DC pulse SFPFM drive signal 6 IR24V O 24 V DC 24 V DC power output via TCSW 7 SFPFM A O 0 24 V DC pulse SFPFM d...

Page 50: ...signal Connect Not 12 Not used 13 SGND Ground 14 IR24V TCOVER I 24 0 V DC TCSW On Off 15 16 24V YC5 1 24V O 24 V DC 24 V DC power output for SFCH Connected to the SFCH 2 REM O 0 24 V DC SFCH On Off YC...

Page 51: ...7 4 3 3 2 3 8 3 8 3 3 2 9 2 9 2 4 1 10 1 10 1 YC2 Paper conveying unit 1 5V 2 TxD 24V 16 16 3 RxD 15 15 4 14 14 5 SGND SGND 13 13 YC8 12 12 11 11 10 10 1 5V OUT1 9 9 3 NC 2 FLMD PGND 8 8 2 NO 3 FSI O...

Page 52: ...3M0 2 4 2 This page is intentionally left blank...

Page 53: ......

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