Ricoh FT7770 Service Manual page 6

DRUM AND CHARGE
1. Drum Replacement
2. Drum Thermoswitch and Heater Replacement
3. Charge Corona Wire and
Cleaner Pad Replacement
EXPOSURE
1. Scanner Drive Wire Replacement
2. Lens Drive Wire Replacement
3. Exposure Lamp Unit Removal
DEVELOPMENT
1. Development Unit Removal
Developer Replacement
2.
3. Development Roller and
Paddle Roller Removal
4. Adjustment of Development Roller Gaps
Image Density Sensor Cleaning and Removal
5.
6. Image Density Sensor Adjustment
TRANSFER AND PICK-OFF
1. Transport Unit Removal
2. Transfer Ozone Filter Replacement
3. Pre-transfer Corona Wire Replacement
4. Transfer/Separation Corona Wire
and Cleaner Pad Replacement
5. Transport Belt Replacement
6. Registration Sensor Replacement
7. Pick-off Pawl Unit Removal
CLEANING
Cleaning Blade and Brush Replacement
1.
2. Pre-cleaning Corona Wire Replacement
Toner Collection Coil Replacement
3.
4. Cleaning Blade pressure Adjustment
5. Blade Cleaner and Bias Roller Blade Replacement
6. Pre-quenching Corona Wire Replacement
FUSING
1. Fusing Unit Removal
2. Hot Roller Stripper Replacement
3. Cleaning Blade, Metering Blade,
and Oil Supply Pad Replacement
4. Hot Roller Replacement
5. Pressure Roller Replacement
6. Thermistor and Thermofuse Replacement
7. Fusing Pressure Adjustment
Hot Roller Temperature Adjustment
8.
5-3
5-4
5-5
5-6
5-16
5-20
5-21
5-22
5-23
5-25
5-27
5-28
5-29
5-30
5-31
5-32
5-33
5-34
5-35
5-36
5-37
5-38
5-39
5-40
5-41
5-42
5-43
5-44
5-46
5-48
5-49
5-50
5-52