Xerox Phaser 7760 Service Manual page 120

Figure 4 007-281 +5 VDC to the Tray Module PWB
Status Indicator RAP's
007-281, 007-282
007-282 Tray 3 Lift Fail
The Tray 3 Level Sensor does not detect that the Tray has lifted. Examine the trays and paper
feed assemblies for any physical damage before starting the troubleshooting procedure.
Troubleshooting References
Applicable Parts Parts List Wiring and Plug/Jack Map References
Tray 3 Level Sensor PL 2.4
Paper Select Switch PL 2.1
Assembly
Paper Feed Motor PL 2.4
Engine Control Board PL 13.1
(MCU PWB)
I/F PWB PL 9.1
Troubleshooting Procedure
Step Actions and Questions
1 Is the problem with Tray 3?
2 1. Remove and then reseat Tray 3.
2. Does the Lift Motor operate?
3 Did the error clear from the Control Panel? Complete. This
January 2010
2-84
Table 1 References
Section 7, Engine Control Board (MCU PWB) Plug/
Jack Locations - Figure 15
Section 7, I/F PWB, Main Motor, LVPS T11 Plug/Jack
Locations - Figure 16
Table 2 Procedure
Yes No
Go to step 2. Go to step 7.
Go to step 3. Go to step 4.
Replace the Engine
could be an inter- Control Board
mittent problem. If (MCU PWB)
the problem returns, 1.2).
replace in order:
1. Tray Level
Sensor
2. Engine Con-
trol Board
(MCU PWB)
(REP 1.2)
Phaser 7760 Color Laser Printer
(REP
Revised