iii
Confidential
4.13 Troubleshooting for Fax Problems ....................................................................................  2-94
4.13.1 Fax cannot be sent ...............................................................................................  2-94
4.13.2 Fax cannot be received  ........................................................................................  2-95
4.13.3 Telephone communication is unavailable  ............................................................  2-95
4.13.4 Communication error occurs ................................................................................  2-96
4.14 Troubleshooting for Other Problems .................................................................................  2-97
4.14.1 Cannot print ..........................................................................................................  2-97
4.14.2 Cannot update firmware  .......................................................................................  2-97
4.14.3 Machine is not turned ON .....................................................................................  2-98
CHAPTER 3 DISASSEMBLY/REASSEMBLY
1. SAFETY PRECAUTIONS ............................................................................................................  3-1
2. PACKING ....................................................................................................................................  3-2
3. SCREW CATALOGUE ................................................................................................................  3-3
4. SCREW TORQUE LIST  ..............................................................................................................  3-4
5. LUBRICATION ............................................................................................................................  3-6
6. OVERVIEW OF GEARS ..............................................................................................................  3-7
7. HARNESS ROUTING ..................................................................................................................  3-9
8. DISASSEMBLY FLOW CHART ................................................................................................  3-22
9. DISASSEMBLY PROCEDURE  .................................................................................................  3-23
9.1 Preparation .......................................................................................................................  3-23
9.2 Cord Hook .........................................................................................................................  3-25
9.3 Back Cover  .......................................................................................................................  3-26
9.4 Outer Chute ASSY ............................................................................................................  3-27
9.5 Front Cover ASSY, Support Flap ......................................................................................  3-28
9.6 Side Cover R  ....................................................................................................................  3-29
9.7 Fuser Cover ......................................................................................................................  3-30
9.8 Inner Chute ASSY  ............................................................................................................  3-31
9.9 Side Cover L, Handset Holder ASSY (For models with handset) .....................................  3-32
9.10 Pull Arm L, Pull Arm R, Pull Arm Spring  ...........................................................................  3-34
9.11 Document Scanner Unit ....................................................................................................  3-35
9.12 ADF Unit (For models with ADF) ......................................................................................  3-37
9.12.1 ADF Unit ...............................................................................................................  3-37
9.12.2 Hinge ASSY L, Hinge R, Hinge R Support, Hinge Arm R  ....................................  3-39
9.12.3 ADF Document Output Support Flap, ADF Document Support  ...........................  3-40
9.12.4 ADF Cover ASSY, Gear Cover ............................................................................  3-41
9.12.5 Document Separate Roller ASSY  ........................................................................  3-42
9.12.6 ADF Separation Pad Holder ASSY  ......................................................................  3-43
9.12.7 CIS Spacer, Second Side CIS Unit (Duplex scanning models only)  ....................  3-44
9.12.8 Document Feed Roller ASSY 1 ............................................................................  3-46