Partial CMY Color Dots
Symptom
Possible cause
Necessary actions
Unexpected dots of the same
color appear at irregular
intervals.
Defective PCU
Replace the PCU.
Defective transfer belt unit
Replace the transfer belt unit.
Defective fusing unit
Replace the fusing unit.
Dark Irregular Streaks on Prints
Symptom
Possible cause
Necessary actions
Unexpected streaks appear at
irregular intervals.
Defective transfer belt
Replace the transfer belt unit.
CMY Color Irregular Streaks
Symptom
Possible cause
Necessary actions
Unexpected streaks of the same
color appear at irregular
intervals.
Defective PCU
Replace the PCU.
Defective transfer belt unit
Replace the transfer belt unit.
Ghosting
Symptom
Possible cause
Necessary actions
The same or similar image
appears two or more times. They
get weaker and weaker.
Defective PCU
Replace the PCU.
Defective transfer unit
Replace the transfer unit.
Unfused or Partially Fused Prints
Symptom
Possible cause
Necessary actions
Some parts of images are not
fused very well.
Non-standard paper in use
Use recommended paper.
4. Troubleshooting
128
4
Summary of Contents for G-P3
Page 1: ...Model G P3 Machine Code G190 SERVICE MANUAL January 2008 Subject to change...
Page 11: ...10...
Page 77: ...11 Harness guide C x 2 12 Drive unit D x 6 x 16 3 Replacement and Adjustment 76 3...
Page 91: ...3 Replacement and Adjustment 90 3...
Page 137: ...LEDs No LEDs are used for this model except for the Network Interface 4 Troubleshooting 136 4...
Page 337: ...5 Service Tables 336 5...
Page 411: ...MEMO 410...
Page 412: ...MEMO 411...
Page 413: ...MEMO 412...