V
3-7
1.3.7 Caution when handling the carriage encoder film
3-7
1.3.8 Caution when replacing the waste ink absorber
3-8
1.4 All Clear (Action in the Event of Abnormality)
3-8
1.5 Shipping the Main Unit
3-9
2. DISASSEMBLY/ASSEMBLY
3-9
2.1 Disassembly Procedure
3-9
2.1.1 SPCNT board (Replacing the ROM), NCU board
3-12
2.1.2 Operation panel unit
3-13
2.1.3 Contact sensor
3-17
2.1.4 Print and ASF ass’y
3-22
2.1.5 Power supply unit
3-23
2.1.6 Separation unit, Separation guide (MP730 only)
Chapter 4: Maintenance and Service
4-1
1. MAINTENANCE LIST
4-1
1.1 Consumables
4-1
1.2 Cleaning
4-2
1.3 Periodic Inspection
4-2
1.4 Periodic Replacement Parts
4-2
1.5 Adjustment Items
4-3
1.6 General Tools
4-3
1.7 Special Tools
4-4
2. HOW TO CLEAN PARTS
4-4
2.1 Main Unit Outer Covers
4-4
2.2 Pickup/Separation Roller (MP730 only)
4-4
2.3 Document U-Turn/Feed/Eject Roller (MP730 only)
4-4
2.4 Separation Guide (MP730 only)
4-4
2.5 Document Guide Sheet (MP730 only)
4-4
2.6 Document Glass
4-4
2.7 White Sheet Area
4-4
2.8 Printer Platen
4-6
3. ADJUSTMENT
4-6
3.1 CS LED Lights-on Duration Adjustment
4-7
3.2 When Adjustment of the Print Head Position is Required
4-10
4. TROUBLESHOOTING
4-10
4.1 Troubleshooting Index
4-12
4.2 Error Shown on the Display
4-12
4.2.1 User error message
4-17
4.2.2 Error codes
4-26
4.3 Errors not Shown on the Display
4-26
4.3.1 General errors
4-27
4.3.2 Printing problems
4-29
4.3.3 Scanning problems
4-30
4.3.4 Memory card problem
4-31
4.3.5 Test mode function problems
