Troubleshooting Guide
D117/D118 6-94 SM
6.3.12 PARTIAL CMY COLOR DOTS
Symptom Possible cause Necessary actions
Unexpected dots of the
same color appear at
irregular intervals.
Defective PCDU Replace the PCDU.
Defective image transfer
belt unit
Replace the image transfer
belt unit.
Defective fusing unit Replace the fusing unit.
6.3.13 DARK IRREGULAR STREAKS ON PRINTS
Symptom Possible cause Necessary actions
Unexpected streaks appear
at irregular intervals.
Defective image transfer
belt
Replace the image transfer
belt unit.
6.3.14 CMY COLOR IRREGULAR STREAKS
Symptom Possible cause Necessary actions
Unexpected streaks of the
same color appear at
irregular intervals.
Defective PCDU Replace the PCDU.
Defective image transfer
belt unit
Replace the image transfer
belt unit.