6/02
2-108
DC1632/2240
7-252, 7-270
Prelaunch Training/Review
Status Indicator RAPs
7-252 Out Module Logic
Incorrect software data was detected.
Procedure
Switch the power off then on. The problem continues.
YN
Return to Service Call Procedures.
Reinstall the software.
If the problem continues, replace the MCU PWB (PL 13.1).
7-270 Tray 1 Paper Size Sensor
An abnormal AD value was detected by the Tray 1 Paper Size Sensor.
Initial Actions
Ensure that the Paper Guide Tab makes contact with the sensor.
Procedure
Ensure that Tray 1 is fully seated. The voltages measured at P/J536-B9 on the I/F PWB cor-
responds with the table on BSD 7.1
YN
There is 3.3VDC measured between P/J115-1 and 3 on the Paper Size Sensor.
YN
Check the wires and connectors. If the check is OK, replace the I/F PWB (PL 9.1).
If the problem continues replace the MCU PWB (PL 13.1).
Replace the Tray 1 Paper Size Sensor (PL 2.1).
Replace the I/F PWB (PL 9.1).
If the problem continues replace the MCU PWB (PL 13.1).
Figure 1 Tray 1 Paper Size Sensor
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