Xerox Phaser 7760 - Page 103

January 2010
2-67
Phaser 7760 Color Laser Printer
007-110, 007-115
Status Indicator RAP’s
Revised
Figure 3 007-110 Takeaway Motor 1
007-115 Tray 4 Misfeed (TTM)
The Tray 4 Feedout Sensor does not detect paper after feeding from Tray 4.
Initial Actions
• Remove Tray 2 (REP 7.8). Ensure P/J840 is securely connected (below the left paper tray
rail, near the rear side of the machine) (refer to Section 7, TT Module (Tray 3, 4, 5 Feeder
Plug/Jack Locations - Figure 21).
• 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 (PL 16.13). Enter Service Diag-
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 3 Feed Out Sensor (PL 16.6). The display changes.
YN
Check the circuit of the Tray 4 Feed Out Sensor (Figure 1). Refer to Section 6, Transmis-
sive Sensor Procedure for troubleshooting procedure.
The Tray 4 Feed/Lift Motor energizes (PL 2.4).
YN
Check the circuit of the Tray 4 Feed/Lift Motor (Figure 2). Refer to Section 2, OF 99-9 RAP
for troubleshooting procedure.
Both Takeaway Rolls (PL 16.6) rotate.
YN
Takeaway Motor 1 energizes.
YN
Check the circuit of the Takeaway Motor 1 (Figure 3). Refer to Section 2, OF 99-9
RAP for troubleshooting procedure.
Check the Takeaway Motor 1 and its associated gears (PL 16.15) for damage, contamina-
tion and misalignment.
• Check the Tray 4 Feed / Lift Motor and its associated gears (PL 2.4) for damage and mis-
alignment.
• Ensure that the Tray 4 Chute (PL 16.6) is properly seated and not damaged.
• Ensure that the connectors shown in the circuit diagrams (Figure 1, Figure 2, Figure 3)
are securely connected and that the wires are not damaged.
• If these checks are OK, replace the Tray Module PWB (PL 16.15).