■ Misformed image
Image is misformed
Cause
Solution
1) Poor contact exists to the connectors on the Laser Scanner Unit Reconnect the connectors: J801, J802.
2) Poor contact exists to the connectors on the DC Controller
Reconnect the connectors: J3, J7.
3) The Laser Scanner Unit is defective
Replace the Laser Scanner Unit.
4) The High-Voltage Power Supply is defective
Replace the Engine Controller.
■ Repetitive image defects ruler
Component
Distance between
defects (mm)
Image defects
Dirt
Dropouts
Dirt on back
Loose toner
Registration Slave
Roller
About43
Yes
Yes
Primary Charging
Roller
About38
Yes
Yes
Photosensitive Drum
About75
Yes
Yes
Developing Roller
About42
Yes
Yes
Transfer Roller
About39
Yes
Yes
Fixing Film Unit unit
About57
Yes
Yes
Yes
Pressure Roller
About63
Yes
Yes
5. Troubleshooting
119