Confidential
iii
4.7.4 Wrinkles on documents .............................................................................. 2-82
4.7.5 Document size not correctly detected ........................................................ 2-82
4.8 Scanned-image Problems .................................................................................. 2-83
4.8.1 Defective images ....................................................................................... 2-83
4.8.2 Troubleshooting from image defect ............................................................ 2-83
4.9 Fax Problems ..................................................................................................... 2-88
4.9.1 No faxes can be sent ................................................................................. 2-88
4.9.2 No faxes can be received ........................................................................... 2-88
4.9.3 A communications error occurs .................................................................. 2-88
4.10 Other Problems .................................................................................................. 2-89
4.10.1 The machine cannot be powered on .......................................................... 2-89
4.10.2 Memory card/PictBridge does not function (no response) ......................... 2-89
4.10.3 Data of memory card/PictBridge does not read .........................................2-89
4.10.4 Internal memory errors ............................................................................... 2-90
4.10.5 Security Function Lock related problems ................................................... 2-90
CHAPTER 3 DISASSEMBLY AND ASSEMBLY .............................................................. 3-1
1 PRECAUTIONS BEFORE PROCEEDING ................................................................... 3-1
2 PACKING ...................................................................................................................... 3-3
3 SCREW CATALOGUE .................................................................................................. 3-4
4 SCREW TORQUE LIST ................................................................................................ 3-5
5 LUBRICATION .............................................................................................................. 3-6
6 OVERVIEW OF GEARS .............................................................................................. 3-11
7 ROUTING OF HARNESSES AND INK SUPPLY TUBES .......................................... 3-12
8 DISASSEMBLY FLOW ...............................................................................................3-20
9 DISASSEMBLY PROCEDURE ................................................................................... 3-22
9.1 Preparation ......................................................................................................... 3-22
9.2 Scanner Cover Damper and Scanner Cover Support ........................................ 3-27
9.3 ADF Unit ............................................................................................................. 3-29
9.3.1 ADF Hinge R .............................................................................................. 3-34
9.3.2 ADF Document Support ............................................................................. 3-35
9.3.3 ADF Cover ASSY ....................................................................................... 3-36
9.3.4 ADF Back Cover, ADF Side Covers R and L, and ADF Front Cover ......... 3-37
9.3.5 ADF Separation Pad Holder ASSY ............................................................ 3-39
9.3.6 Eject Films .................................................................................................. 3-41
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