Confidential
iii
4.7.2 Document double feeding ........................................................................... 2-81
4.7.3 Document jam ............................................................................................. 2-82
4.7.4 Wrinkles on documents............................................................................... 2-84
4.7.5 Document size not correctly detected ......................................................... 2-84
4.8 Scanned-image Problems ................................................................................... 2-85
4.8.1 Defective images ........................................................................................ 2-85
4.8.2 Troubleshooting from image defect............................................................. 2-85
4.9 Fax Problems ...................................................................................................... 2-90
4.9.1 No faxes can be sent .................................................................................. 2-90
4.9.2 No faxes can be received............................................................................ 2-90
4.9.3 A communications error occurs................................................................... 2-91
4.10 Other Problems ................................................................................................... 2-92
4.10.1 The machine cannot be powered on........................................................... 2-92
4.10.2 Memory card/PictBridge does not function (no response) .......................... 2-92
4.10.3 Data of memory card/PictBridge does not read .......................................... 2-92
4.10.4 Internal memory errors................................................................................ 2-93
4.10.5 Security Function Lock related problems....................................................2-93
4.10.6 Remaining ink related problems.................................................................. 2-93
4.10.7 Ink absorber box related problems.............................................................. 2-93
CHAPTER 3 DISASSEMBLY AND ASSEMBLY ............................................................... 3-1
1 PRECAUTIONS BEFORE PROCEEDING .................................................................... 3-1
2 PACKING .......................................................................................................................3-3
3 SCREW CATALOGUE................................................................................................... 3-5
4 SCREW TORQUE LIST ................................................................................................. 3-6
5 LUBRICATION ............................................................................................................... 3-7
6 OVERVIEW OF GEARS............................................................................................... 3-12
7 ROUTING OF HARNESSES........................................................................................ 3-13
8 DISASSEMBLY FLOW ................................................................................................ 3-21
9 DISASSEMBLY PROCEDURE.................................................................................... 3-22
9.1 Preparation.......................................................................................................... 3-22
9.2 MP Paper Detection Sensor PCB ASSY ............................................................. 3-26
9.3 MP Tray ASSY .................................................................................................... 3-28
9.4 Scanner Cover Damper/Scanner Cover Support ................................................ 3-29
9.5 ADF Unit/Document Scanner Unit....................................................................... 3-30
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