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7-2 Phaser 8400/8500/8550/8560 Color Printer Service Manual
Cleaning and Maintenance
Service Cleaning Maintenance Procedure
Cleaning is indicated if the printer is having print-quality or paper-feeding
problems. Some cleaning procedures, such as purging the jet nozzles are
done automatically when necessary. Other procedures, such as scrubbing the
paper-feed rollers with an alcohol-moistened, lint free wipe, must be done by
customers, but only if the rollers are visibly dirty.
Cleaning is indicated by any of the following:
■ Light stripes or missing colors appear in prints.
■ Ink smears or random streaks appear on the front or back of prints.
■ Oily spots appear along the tops of prints.
■ Mispicks or multiple picks occur at the media tray.
■ Persistent paper jams inside the printer or at the media tray if the rollers
are visibly dirty.
■ Wiggly vertical stripes caused by too much oil created by a dirty Drum
Maintenance Kit blade.
■ Most print-quality problems can be corrected by running the cleaning
procedures on the printer’s Control Panel menu.
Cleaning
Caution
Do not use Rubbing Alcohol as it can contain water and oils that leave
undesirable residue on the printer parts. Never use Water to clean the
printer’s internal components.
Clean dust build-up on the exterior of the printer. Inspect the vents on the
exterior of the printer for dust. Clean if necessary
Appropriate cleaning procedures, as listed in the following tables, should be
performed when specific print-quality or paper transport problems occur.
All cleaning procedures are detailed in the printer’s Phaser 8400 Reference
Guide or the Phaser 8500/8550 User’s Guide.
Supplies Required
■ 90% pure isopropyl alcohol ■ Alcohol-moistened, lint-free wipes
■ Foam swabs ■ Clear packaging tape
Light Stripes or Missing Colors
Problem type Solution
Missing or light-colored
stripes on prints.
Select the automated procedure Eliminate Light
Stripes from the Control Panel.