January 2010
2-362
Phaser 7760 Color Laser Printer
024-954, 024-958
Revised
Status Indicator RAP’s
024-954 Tray 1 (MPT) No Paper Sensor
Tray 1 (Bypass) No Paper. Sensor failure.
Procedure
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 1 (MPT) No Paper Sensor (PL 2.12). The display changes.
YN
Check the circuit of the Tray 1 (MPT) No Paper Sensor (Figure 1). Refer to Section 6,
Transmissive Sensor Procedure for troubleshooting procedure.
• 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 1 No Paper Sensor (PL 2.12).
• If the problem persists, replace the Engine Control Board (MCU PWB) (PL 13.1).
Figure 1 024-954 Tray 1 (MPT) No Paper Sensor
024-958 Tray 1 (MPT) Size Mismatch
The paper in Tray 1 (MPT) does not match the paper size selected.
Procedure
The correct size paper is loaded in Tray 1 (MPT).
YN
Load the correct size paper and return to Service Call Procedures.
Go to RAP 007-274, Tray 1 Paper Size Sensor.