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CONTENTS
1. INTRODUCTION .............................................................................................T-1
1-1. Reading the Text .....................................................................................T-1
2. I/O CHECK ......................................................................................................T-1
2-1. Controlled Parts Check Procedure ..........................................................T-1
2-2. I/O Check List ..........................................................................................T-2
3. PAPER TRANSPORT FAILURE .....................................................................T-8
3-1. Paper Misfeed ..........................................................................................T-8
3-2. Misfeed Detection Sensor Layout ............................................................T-9
3-3. Types of Misfeed Detection and Detection Timings ................................T-10
3-4. Misfeed Troubleshooting Procedures ......................................................T-12
(1) Copier Paper Take-Up Misfeed .......................................................T-12
(2) Multi Bypass Misfeed .......................................................................T-15
(3) Transport/Separator Misfeed ...........................................................T-17
(4) Fusing/Exit Misfeed .........................................................................T-20
(5) PF-208 Paper Take-Up Misfeed ......................................................T-21
(6) PF-115 Paper Take-Up Misfeed ......................................................T-24
(7) Duplex Paper Take-Up Misfeed ......................................................T-26
4. MALFUNCTIONS ............................................................................................T-29
4-1. Detection Timing by Malfunction Code ....................................................T-29
4-2. Troubleshooting Procedures by Malfunction Code ..................................T-36
(1) C0000: Fusing Motor’s failure to turn
C0010: PC Drum Drive Motor’s failure to turn .................................T-36
(2) C0040: Suction Fan Motor’s failure to turn
C004C: Ventilation Fan Motor’s failure to turn .................................T-37
(3) C0042: Fusing Unit Cooling Fan Motor’s failure to turn ...................T-38
(4) C0045: IR Cooling Fan Motor malfunction
C0046: PH Cooling Fan Motor 1 malfunction
C0047: PH Cooling Fan Motor 2 malfunction ..................................T-39
(5) C0049: Paper source option Vertical Transport Cooling Fan Motor
malfunction ......................................................................................T-41
(6) C004E: Power Supply Unit Cooling Fan Motor 1’s failure to turn
C004F: Power Supply Unit Cooling Fan Motor 2’s failure to turn ....T-42
(7) C0072: Main Hopper Toner Replenishing Motor’s failure to turn
C0090: Developing Unit Drive Motor’s failure to turn ......................T-44
(8) C0210: Image Transfer/Paper Separator Corona charge leak
detected ...........................................................................................T-46
(9) C0400: Exposure Lamp’s failure to turn ON
C0420: Exposure Lamp turning ON at abnormal timing ..................T-47
(10) C0500: Warming-up failure
C0510: Abnormally low fusing temperature
C0520: Abnormally high fusing temperature ...................................T-48
(11) C0602: Cable unwound
C0650: SHOME signal error ............................................................T-51
(12) C0910: 2nd Drawer Paper Lift-Up Sensor malfunction
C0914: 2nd Drawer Lift-Up Motor’s failure to turn
C0920: 1st Drawer Paper Lift-Up Sensor malfunction
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