Xerox Phaser 7700 Service Manual page 81

Error Chain /
Code Link
31 04-347 ERROR 31 Accumulator Belt HOME POSITION
FAILURE (Continued)
A B C D
Using a Type II toner vacuum cleaner, vacuum out the Waste Auger Assembly.
Replace the Waste Toner Cartridge.
Recheck the gear that drives the Accumulator Belt for freedom of rotation.
Does it move freely now?
Yes No
Replace the Waste Auger Assembly (RRP 37, on page 7-183).
Reinstall all parts and assemblies and verify printer operation.
If problem persists, resume this procedure at next line below.
Remove the e-clip and remove any one of the Waste Auger Drive Gears.
Again, manually rotate the gear that drives the Accumulator Belt.
Does it move freely now?
Yes No
Replace the Accumulator Belt Drive Assembly (RRP 51, on page 7-200).
Replace the Waste Auger Assembly (RRP 37, on page 7-183).
Run the "Accumulator Belt Motor" test.
Does the Accumulator Belt Motor rotate?
Yes No
Inspect P530 (see figure page 3-47) on the Engine Control Interface Board for
proper seating.
If the problem persists, replace the Accumulator Belt Drive Assembly
(RRP 51, on page 7-200).
If the problem continues to persist, Replace the Engine Control Board
(RRP 42, on page 7-190).
Replace the Accumulator Belt Assembly (RRP 51, on page 7-200).
Replace the Accumulator Belt Assembly (RRP 51, on page 7-200).
Caution
If the Accumulator Belt is damaged, determine the
cause of the damage before installing a new
Accumulator Belt Assembly. Visually inspect the
Accumulator Belt area inside the printer and inside
the LH door for foreign object or damage parts. It
may be necessary to query the user for additional
information as to likely causes.
If the problem persists, replace the Engine Control Board (RRP 42, on page 7-190).
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Phaser 7700 Color Printer
Front Panel Message