EN
Troubleshooting the Printing System
7-59
Table 7-16. Dirt on Back
Possible Cause Action
Dirt inside printer
(Tray Separation
Roller, Feed Roller,
Transfer Roller,
Fuser, Toner
Cartridge).
1. Print at least 10 pages to see if the problem goes
away.
2. Print a cleaning page (page 4-4).
Identify and clean the dirty part according to the
“Repetitive Defect Ruler” on page 7-72. If dirt cannot
be removed, replace the dirty part.
3. Check for toner leaks.
Paper does not meet
printer specifications
or is stored
improperly.
1. Print a few more pages to see if the problem
corrects itself.
2. Turn over the stack of paper in the tray. Also try
rotating the paper 180°.
3. Check the paper (or other print media) type and
quality. Replace the paper, and advise the customer
to use the recommended paper and store it properly.
Table 7-17. Distorted Image
Possible Cause Action
Paper does not meet
printer specifications
or is stored
improperly.
1. Print a few more pages to see if the problem
corrects itself.
2. Turn over the stack of paper in the tray. Also try
rotating the paper 180°.
3. Check the paper (or other print media) type and
quality. Replace the paper, and advise the customer
to use the recommended paper and store it properly.
Printer’s operating
environment does not
meet specifications.
Make sure the printer’s operating environment meets
specifications.
Wrong output bin for
paper type.
Print to a different output bin.
