Xerox Phaser 7700 Service Manual page 72

Error Chain /
Code Link
10 06-380 ERROR 10 LASER UNIT FAILURE
06-381
06-382
06-383
06-385
Warning
Do not operate the Laser Unit outside the printer. The invisible light
from the laser can cause permanent eye damage.
Remove Rear Cover (RRP 1, on page 7-140).
Disconnect P400 (see figure page 3-47) and P401 (see figure page 3-47) on the Engine Con-
trol Board.
Inspect both connectors to determine they are fully engaged as a unit. Re-engage, if neces-
sary.
Note
The two connectors can NOT properly seat into their socket(s)
unless they are both engaged as a unit. Ensure there is no
separation.
Carefully reinsert the plugs into their joint socket and FIRMLY seat them.
Replace the Laser Unit (RRP 38, on page 7-184).
Note
Whenever the mounting screws for the Laser Unit have been
loosened, it is necessary to recalibrate the unit by performing the
RegiCon Adjustment Procedure beginning on page 4-114.
If the problem persists, replace the Engine Control Board (RRP 42, on page 7-190).
11 06-372 ERROR 11 LASER UNIT POLYGON MOTOR FAILURE
Note
If this failure reoccurs three times successively, an Engine NVRAM
value is set preventing further printer use until the Clear Tech Rep
Fault, Clear <09-380 ~ 09-383> is run.
Remove Rear Cover (RRP 1, on page 7-140).
Disconnect P400 (see figure page 3-47) and P401 (see figure page 3-47) on the Engine Con-
trol Board.
Inspect both connectors to determine they are fully engaged as a unit. Re-engage, if neces-
sary.
Note
The two connectors can NOT properly seat into their socket(s)
unless they are both engaged as a unit. Ensure there is no
separation.
Carefully reinsert the plugs into their joint socket and FIRMLY seat them.
Replace the Laser Unit (RRP 38, on page 7-184).
Note
Whenever the mounting screws for the Laser Unit have been
loosened, it is necessary to recalibrate the unit by performing the
RegiCon Adjustment Procedure beginning on page 4-114.
If the problem persists, replace the Engine Control Board (RRP 42, on page 7-190).
Service Quick Reference Guide - Diagnostics, Error Codes & Messages
Front Panel Message
2-49