Cause
Solution
4) The High-Voltage Power Supply is defective
Replace the Engine Controller.
■ Dirt on back
The back of page is dirty
Cause
Solution
1) The print media is dirty
Replace the print media to new one. Advice the customer on how
to store the print media.
2) Dirt on leading edge of image (Cassette Pickup Roller)
Clean the Cassette Pickup Roller. If the dirt does not come off, re-
place the roller.
3) Repetitive dirt (Registration Slave Roller, Transfer Roller or Pres-
sure Roller)
See "Repetitive image defects ruler" to identify the dirty roller. Clean
the dirty roller. If the dirt does not come off, replace the roller.
4) The Feed Guide Unit or Fixing Inlet Guide is dirty
Clean the dirty parts.
■ Vertical lines
Vertical line appears in image
Cause
Solution
1) Scratches on the circumference of the Photosensitive Drum
Replace the cartridge.
2) The Fixing Inlet Guide is dirty
Clean the Fixing Inlet Guide.
3) Scratches on the Fixing Film Unit
Replace the Fixing Assembly.
■ Horizontal lines
Horizontal line appears in image
Cause
Solution
1) Horizontal scratches on the Photosensitive Drum
Replace the cartridge.
2) The Fixing Film Unit is dirty, deformed or worn
Replace the Fixing Assembly.
5. Troubleshooting
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