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A-10 Phaser 8400/8500/8550/8560 Color Printer Service Manual
Reference
Step
6
Is the Wiper
Assembly
correctly
aligned?
YES
NO
Circle
one
Is the wiper assembly out of alignment (not parallel with the printhead
faceplate)?
If YES, perform the wiper alignment procedure as described in the
Phaser 8400 Color Printer Service Guide.
Step
7
Print Service
Test Print 1:
Weak and
Missing Jets.
Is severe color
mixing
apparent?
YES
NO
Circle
one
Is there color mixing from one row to the next row for the same jet?
Note: Some color mixing is normal following a purge. It
usually clears after one or two prints.
If YES, replace the wiper assembly. Repeat Step 6.
Step
8
Visually check
the printhead
faceplate. Is
the faceplate
contaminated?
YES
NO
Circle
one
Are there streaks, smudges, or a scum of wax in the jet area (outlined in
red) of the printhead?
If YES, replace the wiper assembly.
Repeat the checklist starting at Step 6.
Step
9
Visually check
the Wiper
Assembly
blade. Is it OK?
Is there any damage or separation on the wiper blade? If YES, replace
the wiper assembly.
Step
10
Check the
purge
performance of
the purge
system.
YES
NO
Circle
one
Check the purge pump performance.
10a. Empty the waste tray.
10b. Select Eliminate Light Stripes from the printer front panel and
run one cleaning cycle.
10c. Remove the waste tray and examine how much ink was purged.
A single purge should resemble the illustration.
Is the purge mass noticeably less than what is pictured?
If YES, inspect the purge hoses for kinks, splits or tears.
P3