November 29, 1999
COPY QUALITY TROUBLESHOOTING
7-15
Trouble-
shooting
7.1.15 TONER ON THE BACK OF THE PRINTER PAPER
Possible Cause (Printer)
•
Dirty transfer roller
•
Dirty fusing pressure roller
Action:
1. Check to see if the transfer roller is dirty with toner.
•
If it is, clean the roller surface by copying a sheet of white paper three times
or more. (For better results, copy one sheet at a time)
•
If not, go to step 2.
2. Check to see if the fusing pressure roller is dirty with toner.
•
If it is, clean the fusing pressure roller.
•
If not, check for any other dirty rollers and clean them.
7.1.16 INCORRECTLY ALIGNED OUTPUT (DATA SHIFTED TO
THE RIGHT OR LEFT)
Possible Cause (Scanner)
•
Incorrect setting of the document guide.
Action:
•
Align each side of the document with the document guides.
Possible Cause (Printer)
•
Laser optics are aligned incorrectly.
•
Improper print margin setting (main scan direction).
Action:
•
Adjust the main scan print margin.
•
Check that the laser optics are aligned correctly.