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5 Troubleshooting
Troubleshooting
This chapter discusses diagnostic tests, paper jams, and status
and error messages.
Maintaining Print Quality
To maintain good print quality, clean the printer according to the
schedules and information listed in this chapter.
1. Perform a General Cleaning (page 151).
NOTE: Recommended toner vacuum cleaner models are listed on
page 63.
2. Clean the main charger, precharger, and transfer charger. For
cleaning instructions, see page 73 for the main charger, and
for the precharger and transfer charger.
3. If print quality problems occur, clean the following areas (see
for tool part numbers):
• Clean the drum with the drum freshener (only when smears
appear on print samples due to the drum).
• Clean the LED array and the SELFOC
®
lens (LED print head)
with the Toraysee™ cloth.
• Clean the fuser cover glass with a razor blade or the cover
glass scraper.
Contact your authorized service representative for further
assistance. For replacement intervals, see the maintenance
schedules that begin on page 120.