Xerox Phaser 7760 Service Manual page 161

009-330 Developer Drive Motor Fail
Developer Motor failure.
Troubleshooting References
Table 1 References
Applicable Parts Parts List Wiring and Plug/Jack References
Developer Drive Motor PL 1.1
I/F PWB PL 9.1
Procedure
Table 2 Procedure
Step Actions and Questions
1 Does the Developer Drive Motor turn in the
Diagnostic mode?
2 Is 24 VDC present on J 533 pin 3?
3 Is 5 VDC present on J-533 pin 6?
4 Check the continuity or for shorting to
ground of the wiring from J-533 to J-232.
Is the wiring OK?
Revised
Phaser 7760 Color Laser Printer
Section 7, I/F PWB, Main Motor, LVPS T11 Plug/Jack
Locations - Figure 16
Yes No
Examine the Devel- Go to step 2.
opers and Drive
System for any
binding conditions
and repair.
Go to step 3. Replace the Inter-
face Board
1.8).
Go to step 4. Replace the Inter-
face Board
1.8).
Replace the Devel- Repair or replace
oper Drive Motor the wiring harness.
Assembly (REP
4.3).
009-342, 009-343 2nd BTR Contact or Retract Fail
The 2nd BTR did not meet the Contact position, or the 2nd BTR did not reach the Retract posi-
tion. This procedure can be used for troubleshooting Chain Link code 009-342 or 009-343.
Troubleshooting References
Applicable Parts
Left Door
Retract Home Sensor
Engine Control Board
(MCU PWB)
(REP
(REP
January 2010
2-125
Table 1 References
Parts List Wiring and Plug/Jack References
PL 2.8
PL 2.9
PL 13.1 Section 7, Engine Control Board (MCU PWB) Plug/
Jack Locations - Figure 15
009-330, 009-342, 009-343
Status Indicator RAP's