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Safety precautions

This booklet provides safety warnings and precautions for our service personnel 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.

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Summary of Contents for PF-430

Page 1: ...SERVICE MANUAL Published in January 2006 845H2110 5H2SM060 First Edition PF 430...

Page 2: ...Revision history Revision Date Replaced pages Remarks...

Page 3: ...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 4: ...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 5: ...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 6: ...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 7: ...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 8: ...This page is intentionally left blank...

Page 9: ...ze message display 1 3 3 1 3 4 Mechanical problems 1 3 4 1 No paper feed 1 3 4 2 Skewed paper feed 1 3 4 3 Multiple sheets of paper are fed at one time 1 3 4 4 Paper jams 1 3 4 5 Abnormal noise is hea...

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

Page 11: ...e Paper feeder Paper size Envelope C5 Envelope C4 Executive A3 B4 A4 A4R B5R ISO B5 A5R Ledger Legal Letter Letter R Folio Oficio II 8K 16K Custom 148 to 210 297 to 432 mm Paper capacity 250 sheets ma...

Page 12: ...5H2 1 1 2 1 1 2 Parts names Figure 1 1 1 1 Paper cassette 2 Paper size window 3 Paper gauge 4 Interface connector 5 Pins...

Page 13: ...5H2 1 1 3 1 1 3 Machine cross section Figure 1 1 2Machine cross section Paper path...

Page 14: ...5H2 1 1 4 This page is intentionally left blank...

Page 15: ...ere you want to install it 2 Lift the printer up without tilting it then put it down onto the paper feeder s by fitting the four corners as shown in the figure Figure 1 2 1 3 Pull the paper cassette a...

Page 16: ...ze dial so that the size of the paper you are going to use appears in the paper size window Figure 1 2 4 Figure 1 2 5 7 Pull the release lever on the left side guide and slide to the desired paper siz...

Page 17: ...ard size paper move the paper guides and paper stopper all the way out insert the paper then adjust the paper guides and paper stopper to the size of the paper Adjust them so that they are in light co...

Page 18: ...paper cassette Figure 1 2 10 12 Insert the paper cassette into the slot in the paper feeder Push it straight in as far as it will go Figure 1 2 11 Paper Paper cassette Cassette cover Paper cassette C...

Page 19: ...ng and displays the jam location on the printer operation panel Figure 1 3 1 Figure 1 3 2 Paper jam Cassette 2 Paper misfeed location Paper misfeed message Paper feeder 1 Paper feeder 2 Paper feeder 3...

Page 20: ...er Improper installa tion paper feeder Follow installation instruction carefully again Defective harness between printer s connect L PWB YC2 and paper feeder interface connector or improper connec tor...

Page 21: ...ine PWB Replace printer s engine PWB Refer to printer s service manual 2 Defective paper gauge sensing False paper gauge indication Defective paper gauge sen sors Replace the main PWB See page P 1 4 4...

Page 22: ...or Replace the drive unit See page P 1 4 4 2 Skewed paper feed Check if the paper is curled Change the paper 3 Multiple sheets of paper are fed at one time Check if the paper is excessively curled Cha...

Page 23: ...mbly 1 Precautions Be sure to turn the power switch off and disconnect the power plug before starting disassembly When handling PWBs do not touch connectors with bare hands or damage the board Do not...

Page 24: ...the paper feeder 2 Remove the two stoppers 3 Remove the two bushes and then remove the middle roller 4 While pressing the stopper and then slide the roller holder 5 Remove the paper feed roller or pic...

Page 25: ...from the paper feeder 2 Push the bottom plate down until it locks 3 Remove the retard guide Figure 1 4 2 4 Remove the retard holder roller from the retard guide Figure 1 4 3 Bottom plate Paper casset...

Page 26: ...pulling out the cassette size switch 2 and then remove the upper cover Figure 1 4 4 4 Remove the two connectors 5 Remove the three screws and then remove the motor bracket drive unit Figure 1 4 5 Scre...

Page 27: ...1 4 6 7 Remove the two connectors A 8 Remove the one clamp 9 Remove the three connectors B 10 Remove the two screws and then remove the main PWB Figure 1 4 7 Screw Screw Screw PWB bracket Connector B...

Page 28: ...5H2 1 4 6 This page is intentionally left blank...

Page 29: ...2 Pickup roller 3 Retard roller 4 Retard roller guide 5 Conveying roller 6 Center conveying pulley Side conveying pulleys 7 Bottom plate 8 Bottom pad 9 Cassette base 10 Upper cover 11 Paper gauge sens...

Page 30: ...5H2 2 1 2 This page is intentionally left blank...

Page 31: ...er 2 Paper feed sensor Detects paper jam in the paper feeder 3 Paper gauge sensor 1 Detects the paper remaining amount level 4 Paper gauge sensor 2 Detects the paper remaining amount level 5 Cassette...

Page 32: ...5H2 2 2 2 This page is intentionally left blank...

Page 33: ...driver IC IC4 Driver circuit Paper feed motor Paper gauge sensor 1 Paper gauge sensor 2 Cassette size switch Printer Upper paper feeder Printer Lowe paper feeder Paper feed clutch DC24V DC5V Main PWB...

Page 34: ...ion clock signal Connected to the lower paper feeder 2 SDO I 0 5 V DC pulse Serial communication data signal 3 SDI O 0 5 V DC pulse Serial communication data signal 4 READY I 0 5 V DC Paper feeder rea...

Page 35: ...5 CN11 7 CN11 9 24V PFC CN1 1 CN1 2 CN12 2 CN12 1 CN12 1 CN12 2 VT VT VT VT VT VT VT VT VT VT VT VT VT VT VT VT VT VT VT VT 1 2 3 4 5 6 7 8 9 10 11 12 SCLK READY SEL1 SDI 24V 5V SEL0 SEL2 SDO GND SCLK...

Page 36: ...5H2 2 4 2 This page is intentionally left blank...

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