Xerox Phaser 7760 Service Manual page 95

006-372 ROS Polygon Motor Fail
ROS Motor failure.
Troubleshooting References
Table 1 References
Applicable Parts Parts List Wiring and Plug/Jack References
Engine Control Board PL 13.1
(MCU PWB)
Laser Assembly PL 3.1
Revised
Phaser 7760 Color Laser Printer
Section 7, Engine Control Board (MCU PWB) Plug/
Jack Locations - Figure 15
Section 7, ROS Assembly Plug/Jack Locations -
ure 10
Troubleshooting Procedure
Step Actions and Questions
1 1. Remove the Rear Cover.
2. Disconnect P401 and P402 from the
Engine Control Board.
3. Carefully reinsert the plugs into their
join socket and firmly seat them.
4. Did this fix the problem?
Fig-
Figure 1 006-372 Polygon Motor Control
January 2010
2-59
Table 2 Procedure
Yes No
Complete. Replace the Laser
Unit
(You must perform
the RegiCon Adjust-
ment
(Section 4) after
replacing the Laser
Unit.)
If the problem per-
sists, replace the
Engine Control
Board (MCU PWB)
(REP
Status Indicator RAP's
(REP 6.1).
ADJ 9.10
1.2).
006-372