Phenomena
Cause
positions
Cause 1
Cause 2
Remedy
Dirt
(Rollers)
(Guides)
(Found at a
regular pattern
or position)
Paper feed
section
Paper pickup roller dirt
Paper transport roller dirt
Resist roller dirt
Paper guide dirt
Paper pickup roller cleaning, replacement
Resist roller cleaning, replacement
Paper transport roller cleaning, replacement
Paper guide cleaning
Paper transport
section
Paper transport roller dirt
Resist roller dirt
Charger roller dirt
Paper guide dirt
Lift clutch defect (solenoid)
Paper transport roller cleaning, replacement
Resist roller cleaning, replacement
Charger roller cleaning, replacement
Lift clutch replacement
Paper guide cleaning
Transfer
section
Transfer drum dirt
Transfer drum cleaning blade defect
Transfer drum cleaning brush defect
Transfer drum cleaning clutch defect (solenoid)
Waste toner transport section jam
Transfer drum cleaning blade replacement
Transfer drum cleaning brush replacement
Transfer drum cleaning clutch replacement (solenoid)
Fusing
section
Fusing roller dirt
Fusing
roller
defect
Cleaning roller defect
Fusing unit replacement
Fusing unit cleaning
Paper exit
section
Paper exit roller dirt
Paper exit roller cleaning, replacement
PCU PWB
Load
control
defect
Lift clutch control circuit defect
Cleaning clutch control circuit defect
PCU PWB repair. replacement
Color streak
(vertical)
Developing unit
Shutter ring failure
Foreign material intrusion
Developing shutter ring failure
Developing shutter defect
Developing unit replacement
Developing unit cleaning
OPC
drum
unit
Main charge charging defect (unevenness)
OPC drum dirt
OPC drum scratch
Main charger dirt
OPC drum cleaning blade defect
Main charger cleaning
OPC drum cleaning
OPC drum unit replacement
Drive section
Shutter ring failure
Developing shutter clutch solenoid position improper
Developing shutter clutch defect
Developing shutter drive gear defect
Developing roller clutch defect
Developing shutter clutch solenoid position adjustment
Developing shutter clutch replacement
Developing shutter drive gear replacement
Developing roller clutch replacement
Developing roller drive gear replacement
PCU PWB
Load control failure
Developing shutter clutch control circuit defect
Developing roller clutch control circuit defect
Toner clutch (color) control circuit defect
Toner motor (black) control circuit defect
Main charger control circuit defect
PCU PWB repair, replacement
White streak
(vertical)
Developing
unit
Foreign material intrusion, toner lump
Developing unit position improper
Doctor gap improper (too small)
Developing roller main electrode position improper
Developing unit defect (positioning collar defect)
Developing unit replacement
Developing unit cleaning
Transfer
section
Transfer drum dirt
Transfer drum scratch, deformation
Waste toner transport section jam
Transfer drum cleaning blade defect
Transfer drum cleaning brush defect
Transfer drum cleaning clutch defect (solenoid)
Transfer drum cleaning blade replacement
Transfer drum cleaning brush replacement
Transfer drum cleaning clutch replacement (solenoid)
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SHARP SERVICE MANUAL JX8200SM [11] TROUBLESHOOTING
Содержание JX-8200
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