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5H8

1-4-1

1-4 Troubleshooting

1-4-1 Paper misfeed detection

(1) Paper misfeed indication

When a paper misfeed occurs, the machine immediately stops copying and displays the jam location on the operation
panel.
Paper misfeed detection can be reset by opening and closing the left cover 4 to turn left cover 4 switch off and on.

(2) Paper misfeed detection conditions

Figure 1-4-1

FSW3

PPS1

PPS2

PPS3

PFPFCL1

PFPFCL2

Y1120

3

0-

5

Service Manual

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Summary of Contents for PF-760

Page 1: ...PF 760 Option Copier SERVICE MANUAL Code Y112030 5...

Page 2: ...PUBLICATION ISSUED BY Olivetti S p A 77 Via Jervis 10015 Ivrea TO Italy Copyright 2010 Olivetti All rights reserved...

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

Page 4: ...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 5: ...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 6: ...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 7: ...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 8: ...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 9: ...This page is intentionally left blank...

Page 10: ...1 4 8 1 5 Assembly and Disassembly 1 5 1 Precautions for assembly and disassembly 1 5 1 1 Precautions 1 5 1 1 5 2 Paper feed section 1 5 2 1 Detaching and refitting PF separation roller 1 and 2 1 5 2...

Page 11: ...5H8 This page is intentionally left blank...

Page 12: ...A4 B5 Letter Paper weight 60 105 g m2 Paper types Standard recycled color Power source Electrically connected to the machine Dimensions 23 5 16 W x 23 5 8 D x 12 3 8 H 585 W x 600 D x 314 H mm Weight...

Page 13: ...5H8 1 1 2 1 1 2 Parts names Figure 1 1 1 3 3 1 2 4 1 Cassette 3 2 Cassette front cover 3 Lifts 4 Left cover 4 Service Manual Y112030 5...

Page 14: ...5H8 1 1 3 1 1 3 Machine cross section Figure 1 1 2 Machine cross section Paper path Y112030 5 Service Manual...

Page 15: ...5H8 1 1 4 This page is intentionally left blank Service Manual Y112030 5...

Page 16: ...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 the machine o...

Page 17: ...installation 1 3000 sheet paper feeder 2 Outer case 3 Lower front pad 4 Lower rear pad 5 Supports 6 Upper pad 7 Machine cover 8 Retainer 9 Paper size plates 10 M4 x 16 TP screws 11 Pins 12 Longitudin...

Page 18: ...holding the paper feeder rear cover and then the cover 3 Open the paper feeder 4 Remove two screws holding the paper con veying unit assembly and then the assem bly Figure 1 2 2 5 Fit the cassette hea...

Page 19: ...Tidy up the cassette heater cable and relay wire using eight wire saddles and route the cable and wire while clipping the wire sad dles into the holes in the rear frame 11 Refit the paper feeder rear...

Page 20: ...er 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 run Press...

Page 21: ...T LSUOUT TOP B W 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Operation panel and support equipment U208 Setting the paper size for the paper feeder Letter Inch A4 Metric 1 U247 Setting the paper f...

Page 22: ...ection Solution Framework Framework MOTOR CPU Motor CPU MOTOR CPU BOOT Motor CPU booting H VLT CPU High voltage CPU H VLT CPU BOOT High voltage CPU booting SLEEP CPU Sleep CPU SLEEP CPU BOOT Sleep CPU...

Page 23: ...size paper is used 3 0 to 3 0 0 0 1 mm LSUOUT TOP MPT Half L Paper feed from MP tray when large size thick paper is used 3 0 to 3 0 0 0 1 mm LSUOUT TOP CAS L Paper feed from cassette when large size...

Page 24: ...ce mode Maintenance item No Description Display Description Setting range Default setting Change in value per step LSUOUT TOP MPT L B W Paper feed from MP tray when large size paper is used 3 0 to 3 0...

Page 25: ...llowing adjustments in maintenance mode Completion Press the stop key The screen for selecting a maintenance item No is displayed Maintenance item No Description Display Description Setting range Defa...

Page 26: ...displayed U341 Specific paper feed location setting for printing function Description Sets a paper feed location specified for printer output only if a printer kit is installed Purpose To use a paper...

Page 27: ...splayed Clearing 1 Select the counts to be cleared CASETTE 3 CASETTE 4 and LCF cannot be cleared 2 Select the counts for all and press ALL CLEAR 3 Press the start key The counts is cleared Completion...

Page 28: ...he machine immediately stops copying and displays the jam location on the operation panel Paper misfeed detection can be reset by opening and closing the left cover 4 to turn left cover 4 switch off a...

Page 29: ...s not turn on within spec ified time of PF paper feed clutch 2 PFCL2 turning on 360 ms 16 Misfeed in paper feeder horizontal paper con veying section 2 Paper path sensor 2 PPS2 does not turn on within...

Page 30: ...ective paper path sen sor 3 With 5 V DC present at CN6 12 on the PF main PWB check if CN6 11 on the PF main PWB remains low or high when paper path sensor 3 is turned on and off If it does replace pap...

Page 31: ...and remedy if necessary Electrical problem with PF paper conveying clutch Check see page 1 4 7 5 A paper jam in the paper feed section is indicated during copying multiple sheets in cassette 3 Jam co...

Page 32: ...the gears and remedy if necessary C1110 PF lift motor 2 error A motor over current signal is detected continuously for 1 s or longer Poor contact in the connector termi nals Check the connection of c...

Page 33: ...er feeder EEPROM error When writing the data the write data and the read data is not continuously in agreement three times Poor contact in the connector termi nals Check the connection of connector YC...

Page 34: ...item U247 and check if CN2 2 on the PF main PWB goes low If not replace the PF main PWB 3 The PF lift motor 1 2 does not operate 1 Broken motor coil Check for continuity across the coil If none replac...

Page 35: ...PF separation roller 1 or 2 is worn or deformed Replace see page 1 5 2 Check if PF paper feed roller 1 or 2 is worn or deformed Replace see page 1 5 3 Check if the paper side guides are deformed Reme...

Page 36: ...cause damage to the equipped 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 ba...

Page 37: ...e PF separation roller assembly 5 Remove stop ring b securing PF separation roller 2 and then the roller 6 Remove stop ring c securing PF separation roller 1 and then the roller 7 Clean or replace PF...

Page 38: ...lace PF paper feed roller 1 and 2 as follows Procedure 1 Turn the PF paper conveying unit over 2 Remove the stop ring while lifting the paper feed roller section 3 Pull out the shifting shaft and then...

Page 39: ...f the test pattern output looks like B move the adjuster in the direction of the white arrow and retighten three screws Figure 1 5 4 5 Close the cassette 6 Output a test pattern again 7 Repeat steps 4...

Page 40: ...w for each Check the paper size at the position with the front and rear upper tabs inserted into the upper slots Upper slots positions on the front side Front A4 middle Letter rear B5 Upper slots posi...

Page 41: ...ith a screw For inch specifications use the supplied lon gitudinal size adjuster and screw Figure 1 5 8 8 Refit the cassette 9 Connect the power plug to the wall outlet and turn the main power switch...

Page 42: ...ollers 1 and 2 in the separation section convey paper received from the left cassette paper feed sec tion into the machine preventing multiple sheets from being fed at one time Figure 2 1 1 7 8 1 11 1...

Page 43: ...to the machine cor rectly To prevent multiple sheets from being fed there is a torque limiter on PFseparation roller 2 When the left cassette is empty its lift serves as a guide for the paper being co...

Page 44: ...per from the right cas sette onto the left cassette lift Figure 2 1 4 Right cassette paper feed section Figure 2 1 5 Right cassette paper feed section block diagram PF paper feed clutch 1 PF paper fee...

Page 45: ...switch 2 LSW2 is turned off as the paper on the lift is used PF lift motor 2 PFLM2 starts to raise the lift until the switch turns on Figure 2 1 6 Raising and lowering the lift When the cassette is op...

Page 46: ...have turned on the message Low on paper is shown on the machine message display This message is not shown when only one of them is on As more copies are made with the message on paper path sensors 1...

Page 47: ...5H8 2 1 6 This page is intentionally left blank Service Manual Y112030 5...

Page 48: ...1 PWBs 1 PF main PWB PFMPWB Controls electrical components and communications with the machine 2 Sensor relay PWB SENRPWB Distributes the power source to the level switch1 and paper feeder open closed...

Page 49: ...e of paper in the right cassette 5 Level switch 1 LSW1 Detects the left cassette lift in the home position 6 Level switch 2 LSW2 Detects the right cassette lift in the home position 7 Left cover 4 swi...

Page 50: ...2 4 PF paper conveying motor PFCM Drives the paper feeder 5 PF Lift motor 1 PFLM1 Raises the left cassette lift 6 PF Lift motor 2 PFLM2 Raises the right cassette lift 7 PF cassette heater 1 PFCH1 Deh...

Page 51: ...5H8 2 2 4 This page is intentionally left blank Service Manual Y112030 5...

Page 52: ...PS2 PPS3 PES LSW2 LC4SW PFPF CL1 PFPF CL2 PFCCL PFSCL SENRPWB LSW1 PFSSW PFLM1 drive circuit PFLM2 drive circuit LED drive circuit PLS1 PLS2 PFCM CPU IC8 Serial communication signal From the machine P...

Page 53: ...al from the machine 6 SELECT I 0 5 V DC Select signal from the machine 7 DC5V I 5 V DC 5 V DC power supply 8 SGND Signal ground 9 PGND Power ground 10 DC24V I 24 V DC 24 V DC power supply CN2 1 RS1_3...

Page 54: ...SW1 On Off 5 N C Not used 6 N C Not used 7 LEVEL_S2 I 0 5 V DC LSW2 On Off 8 SGND Signal ground 9 DC5V O 5 V DC 5 V DC supply to LSW2 CN6 1 SIDE_COVER I 5 0 V DC LC4SW On Off Connected to the left cov...

Page 55: ...sed 5 DC24V O 24 V DC 24 V DC supply to PFLM2 6 LMOT2 I 0 24 V DC PFLM2 On Off 7 NC Not used 8 RS1_2 I 0 5 V DC PFLM1 paper gauge signal 2 9 SGND Signal ground 10 RS1_1 I 0 5 V DC PFLM1 paper gauge si...

Page 56: ...age Paper feed section PF paper feed roller 1 2 Check and replace Every time Clean with alcohol or a dry cloth Check and cleaning when user call occurs P 1 5 3 PF separation roller 1 Check and replace...

Page 57: ...5H8 2 4 2 This page is intentionally left blank Service Manual Y112030 5...

Page 58: ...3 2 1 5 4 3 2 1 10 9 8 7 6 5 4 3 2 1 10 9 8 7 6 5 4 3 2 1 DC24V PGND SGND DC5 1V SELECT AC N CLK SDI OUT SDO IN READY FEED SW SIG AC L DC24V PGND SGND DC5V SELECT CLK SDI OUT SDO IN READY FEED SW SIG...

Page 59: ...UPDATINGSTATUS DATE UPDATEDPAGES PAGES CODE 04 2010 1ST EDITION 59 Y112030 5...

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