January 2010
2-360
Phaser 7760 Color Laser Printer
024-950, 024-951
Revised
Status Indicator RAP’s
024-950 Tray 2 No Paper Sensor
Tray 2 No Paper Sensor failure.
Procedure
Remove Tray 2. Enter Service Diagnostics Menu: Printer Menu > Troubleshooting > Service
Tools > Printer Status Page > hold the Up and Down buttons simultaneously > Run Service
Diagnostics > OK. Actuate Tray 2 No Paper Sensor (PL 2.4). The display changes.
YN
Check the circuit of the Tray 2 No Paper Sensor (Figure 1). Refer to Section 6, Transmis-
sive Sensor Procedure for troubleshooting procedure.
•Go to RAP 007-281 (Tray 2, 3, 4, 5) Lift Failure) and check the circuit of the Tray 2 Level
Sensor.
• Ensure that the connectors shown in the circuit diagram (Figure 1) are securely con-
nected and that the wires are not damaged.
• Replace the Tray 2 No Paper Sensor (PL 2.4).
• If the problem persists, replace the Engine Control Board (MCU PWB) (PL 13.1).
Figure 1 024-950 Tray 2 No Paper Sensor
024-951 Tray 3 No Paper Sensor
Tray 3 No Paper Sensor failure.
Procedure
Remove Tray 3. Enter Service Diagnostics Menu: Printer Menu > Troubleshooting > Service
Tools > Printer Status Page > hold the Up and Down buttons simultaneously > Run Service
Diagnostics > OK. Actuate the Tray 3 No Paper Sensor (TTM or - 3TM). The display
changes.
YN
Check the circuit of the Tray 3 No Paper Sensor (Figure 1 - TTM or Figure 2 - 3TM). Refer
to Section 6, Transmissive Sensor Procedure for troubleshooting procedure.
Press Stop.
• Go to the 007-281 RAP and check the circuit of the Tray 3 No Paper Sensor (PL 2.4).
• Ensure that the connectors shown in the circuit diagram (Figure 1 - TTM or Figure 2 -
3TM) are securely connected and that the wires are not damaged.
• Replace the Tray 3 No Paper Sensor (PL 2.4).
• If the problem persists, replace the Tray Module PWB (PL 16.15 - TTM or PL 15.9 - 3TM).
Figure 1 024-951Tray 3 No Paper Sensor (TTM)
Figure 2 024-951 Tray 3 No Paper Sensor (3TM)