Cleaning and Maintenance 7-3
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.
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.
Ink Smears, Oil Spots, or Random Ink Streaks
Problem type Solution
Ink smears on the front,
back, or edges of a page.
Select the automated procedure Remove Print Smears from
the Control Panel.
Check the maintenance kit for ink and paper-dust build-up on
the wiper blade.
Oil (drum fluid) on top edge
of print.
Select the automated procedure Remove Print Smears from
the Control Panel.
Media Jams:
Note
Refer to the jam codes in "Jam Codes" on page 3-55.
Problem type Solution
Paper-pick or jamming
problems at the tray.
Clean the pick roller. Follow the "Pick Roller Cleaning Method"
on page 7-4.
Paper jamming problems
at the front door.
Clean the transport rollers.
Paper jamming problems
at the exit.
Clean the exit rollers and paper release blade.
Paper-pick or jamming
problems at the Optional
525-Sheet Feeder, Tray 3,
or Tray 4.
Clean the appropriate tray assembly feed roller.
Duplex path jam Clean the preheat, duplex, and exit rollers.
Double picks Clean the pick rollers and separator pad with alcohol. Clean
pick pad with clear packaging tape using the procedure "Pick
Roller Cleaning Method" on page 7-4.
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