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II
AR-651/810 CONTENTS
3. 9. 2. Setting of fuser roller temperature ............................................................................. 3-36
3. 9. 3. Adjustment of fuser inlet guide ................................................................................. 3-36
3. 9. 4. High-fusing mode ...................................................................................................... 3-37
3. 10 Adjustment of Exit/Reversal Unit ........................................................................................... 3-38
3. 10. 1. Adjustment of sideways deviation at reverse discharging ......................................... 3-38
3. 11. Adjustmet of Reversing Automatic Document Feeder ............................................................ 3-39
3. 11. 1. Installing of the RADF unit ........................................................................................ 3-39
3. 11. 2. Skew adjustment ...................................................................................................... 3-40
3. 11. 3. Adjustment of solenoid ............................................................................................. 3-41
3. 11. 4. Adjustment of RADF open/close switch .................................................................... 3-42
3. 11. 5. Adjustment of RADF height ...................................................................................... 3-42
4. PREVENTIVE MAINTENANCE (PM) ......................................................................................... 4-1
4. 1.
PM Support Mode .................................................................................................................. 4-1
4. 1. 1. General description ................................................................................................... 4-1
4. 1. 2. Operational flow and operational screen .................................................................... 4-1
4. 2.
General Descriptions for PM procedure .................................................................................. 4-5
4. 3.
Operational Items in Overhauling ........................................................................................... 4-5
4. 4.
Preventive Maintenance Checklist ......................................................................................... 4-5
4. 5.
PM Kit ................................................................................................................................... 4-19
4. 6.
Jig List ................................................................................................................................... 4-20
4. 7.
Precautions for Storing and Handling Supplies ....................................................................... 4-21
4. 7. 1. Precautions for storing supplies ................................................................................ 4-21
4. 7. 2. Checking and cleaning of OPC drum ........................................................................ 4-21
4. 7. 3. Checking and cleaning of drum cleaning blade and transfer belt cleaning blade ............. 4-22
4. 7. 4. Handling of drum cleaning brush and transfer belt cleaning brush ............................. 4-23
4. 7. 5. Handling of transfer belt ............................................................................................ 4-23
4. 7. 6. Checking and cleaning of fuser roller and pressure roller ........................................... 4-23
4. 7. 7. Checking and replacing of cleaning web and cleaning rollers (felt, metal) .................. 4-24
4. 8.
Replacement of maintenance parts ........................................................................................ 4-25
4. 8. 1. DRUM UNIT .............................................................................................................. 4-25
4. 8. 2. DEVELOPER UNIT .................................................................................................. 4-30
4. 8. 3. FUSER UNIT ............................................................................................................ 4-34
5. TROUBLESHOOTING ................................................................................................................ 5-1
5.1
Diagnosis and Prescription for Each Error Code and Phenomenum ....................................... 5-1
5.1.1
Paper transport jam .................................................................................................. 5-1
5.1.2
Paper misfeeding ...................................................................................................... 5-14
5.1.3
Cover open jam ........................................................................................................ 5-21
5.1.4
Jams at eit/reverse section and other transport jams ............................................... 5-24
5.1.5
Original jam in RADF ................................................................................................ 5-33
5.1.6
Paper jam in finisher ................................................................................................. 5-37
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