Xerox Phaser 7760 - Page 95

January 2010
2-59
Phaser 7760 Color Laser Printer
006-372
Status Indicator RAP’s
Revised
006-372 ROS Polygon Motor Fail
ROS Motor failure.
Troubleshooting References
Troubleshooting Procedure
Figure 1 006-372 Polygon Motor Control
Table 1 References
Applicable Parts Parts List Wiring and Plug/Jack References
Engine Control Board
(MCU PWB)
PL 13.1 Section 7, Engine Control Board (MCU PWB) Plug/
Jack Locations - Figure 15
Laser Assembly PL 3.1 Section 7, ROS Assembly Plug/Jack Locations - Fig-
ure 10
Table 2 Procedure
Step Actions and Questions Yes No
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?
Complete. Replace the Laser
Unit (REP 6.1).
(You must perform
the RegiCon Adjust-
ment ADJ 9.10
(Section 4) after
replacing the Laser
Unit.)
If the problem per-
sists, replace the
Engine Control
Board (MCU PWB)
(REP 1.2).