Xerox Phaser 7760 Service Manual page 105

007-117 Tray 4 Misfeed (3TM)
The Tray 4 Feedout Sensor does not detect paper after feeding from Tray 4.
Initial Actions
• Check condition and specification of paper in Tray 4.
• Check for intermittent misfeeds ensure paper type selection is correct (open tray, select
Change Description).
• Check the paper path for obstructions.
• Check for wear and clean the Tray 4 Feeder Roll, Takeaway Roll, and the Pinch Roll.
Procedure
Open the Left Cover and cheat the Left Cover Interlock Switch
nostics Menu: Printer Menu > Troubleshooting > Service Tools > Printer Status Page >
hold the Up and Down buttons simultaneously > Run Service Diagnostics > OK. Block and
unblock the Tray 4 Feed Out Sensor (PL
Y N
Check the circuit of the Tray 4 Feed Out Sensor
sive Sensor Procedure for troubleshooting procedure.
Perform the Paper Feed Motors test. The Tray 4 Feed/Lift Motor
Y N
Check the circuit of the Tray 4 Feed/Lift Motor
for troubleshooting procedure.
Perform Service Diagnostics. All 3 Takeaway Rolls
Y N
Takeaway Motor 1 (PL 15.9) energizes.
Y N
Check the circuit of the Takeaway Motor 1
RAP for troubleshooting procedure.
Check the Takeaway Motor 1 and its associated gears
tion and misalignment.
• Check the Tray 4 Feed/Lift Motor and its associated gears
nation and misalignment.
• Ensure that the Tray 4 Chute (PL 15.10) is properly seated and not damaged.
• Ensure that the connectors shown in the circuit diagrams
are securely connected and that the wires are not damaged.
• If these checks are OK, replace the Tray Module PWB
Revised
Phaser 7760 Color Laser Printer
(PL 15.10). Enter
15.10). The display changes.
(Figure 1). Refer to Section 6,
(PL 2.4) energizes.
(Figure 2). Refer to Section 2,
(PL 15.10) rotate.
(Figure 3). Refer to Section 2,
(PL 15.9) for damage, contamina-
(PL 2.4) for damage, contami-
(Figure 1, Figure
(PL 15.9).
Service Diag-
Transmis-
OF 99-9 RAP
OF 99-9
2, Figure 3)
January 2010
2-69
Figure 1 007-117 Tray 4 Feed Out Sensor
Figure 2 007-117 Tray 4 Feed/Lift Motor
Status Indicator RAP's
007-117