14 June, 2002 COPY QUALITY TROUBLESHOOTING
4-13
Trouble-
shooting
4.1.12 VERTICAL BLACK BAND
Possible Cause (Printer)
• A deformed, damaged, or incorrectly positioned doctor blade.
Action:
• Replace the cartridge.
4.1.13 UNFUSED COPIES
Possible Cause (Printer)
• The thermistor is defective.
• The spring mechanism for the fusing pressure roller is defective.
• Incorrect toner type.
• Non-recommended paper type.
Action:
1. Check to see if the correct type of paper and toner are in use.
• If it is, go to step 2.
• If not, use recommended types of paper and toner.
2. Try replacing the fusing unit.
H310T513.WMF
H310T503.WMF