Xerox Phaser 7760 Service Manual page 132

Table 2 Procedure
Step Actions and Questions
8 Did the error clear from the Control Panel? Complete. This
9 Using Service Diagnostics, check the Level
Sensor and No Paper Sensor.
10 While still in Service Diagnostics, remove
the problem tray.
Status Indicator RAP's
007-397
Yes No
Replace the Engine
could be an inter- Control Board
mittent problem. If (MCU PWB) (REP
the problem returns, 1.2).
replace in order:
1. Tray Level
Sensor
2. Engine Con-
trol Board
(MCU PWB)
(REP 1.2)
Replace in order Go to step 10.
until resolved:
1. Tray Level
Sensor
2. No Paper Sen-
sor
3. LTA HCF Con-
trol Board
4. Engine Inter-
face Board
(REP 1.8)
5. Engine Con-
trol Board
(MCU PWB)
(REP 1.2)
Replace in order Go to step 11.
until resolved:
1. Paper-Select
Switch Assem-
bly (REP 7.5)
2. Engine Inter-
face Board
(REP 1.8)
3. Engine Con-
trol Board
(MCU PWB)
(REP 1.2)
January 2010
Step Actions and Questions
11 1. Reseat the Paper Tray.
2. Does SW1-4 indicate H in any posi-
tion?
Figure 1 007-397 Tray 2 Lift/Feed Motor
2-96
Table 2 Procedure
Yes No
Replace the Paper Replace in order
Feed Motor (REP until resolved:
7.4). 1.
2.
3.
Phaser 7760 Color Laser Printer
Paper-Select
Switch Assem-
bly (REP 7.5)
Engine Inter-
face Board
(REP 1.8)
Engine Con-
trol Board
(MCU PWB)
(REP 1.2)
Revised