Xerox DocuColor 1632 Service Manual page 138

7-252 Out Module Logic
Incorrect software data was detected.
Procedure
Switch the power off then on. The problem continues.
Y N
Return to Service Call Procedures.
Reinstall the software.
If the problem continues, replace the MCU PWB (PL 13.1).
Status Indicator RAPs
7-252, 7-270
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
Y N
There is 3.3VDC measured between P/J115-1 and 3 on the Paper Size Sensor.
Y N
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
6/02
2-108
Prelaunch Training/Review
DC1632/2240