Table of Contents
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5 June 1992
Drum
Corona Wires
Wire Cleaner Pads
Toner Filter
Ozone Filter
Corona Casing
Potential Sensor and
Drum Thermistor
Charge Corona Unit
Brush Seal
Erase Lamp
ID Sensor
QL Filter
Pick-off Pawls
CLEANING UNIT
Cleaning Blade
Flick Blade
Cleaning Brush
Entrance Seal
Side Seals
Cleaning Filter
Cleaning Unit Inside
DEVELOPMENT UNIT
Developer
Upper Seal
Side Seals
Toner Cartridge Seals
Sleeve Drive Gears
Timing Belt Pulley
Toner Near End
Sensor Feeler
Development Filter
Development Duct
Filter
FUSING UNIT
Hot Roller
Hot Roller Bushing
Hot Roller Bearing
Pressure Roller
Pressure Roller
Bushing
EM
150K 300K 450K 600K
C
C
R
R
R
R
R
R
C
C
C
C
C
C
C
C
C
C
C
C
C
C
R
R
R
R
R
R
I, C
I, C
I, C
I, C
I, C
I, C
C
C
R
C
C
I
I
I
I
C
C
C
C
I
I
R
R
R
R
R
I
R
I
R
I
I
4-31
PREVENTIVE MAINTENANCE SCHEDULE
C
C
Water/Dry cloth
R
R
R
R
R
R
Replace at 1.2M
C
C
Water/Alcohol
Dry cloth/Blower brush
C
C
C
C
C
C
Water
C
C
Water
C
C
Water
C
C
Alcohol
R
R
Apply setting powder
R
R
Apply setting powder
R
R
I, C
I, C
I, C
I, C
Replace if damaged
I, C
I, C
Replace if damaged
C
C
Remove toner
R
C
C
I
R
I
I
Replace if necessary
C
R
Do not use any grease
C
C
Check movement
I
I
R
R
R
R
R
I
R
I
R
R
I
R
NOTE
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