Xerox Phaser 790 Service Manual page 95

007-324 Environment Sensor RAP
The control logic has detected an open circuit in the Environment Sensor.
Initial Actions
• Ensure that the Environment Sensor is free of dust and dirt.
Procedure
Switch off the power. Disconnect the power cord. Go to REP 1.8, and remove the Duplex Tray
Assembly from the copier/printer. Check that the P/J 105 connector on the Environment Sen-
sor board is properly connected. The P/J 105 connector is good.
Y N
Connect the P/J 105 connector. Connect the power cord and switch on the power.
Go to REP 1.11, and remove the Controller Chassis to gain access to the MCU PWB connec-
tors. Go to Flag 1. Check the wires for an open or a short circuit to ground. The
good.
Y N
Repair the wires. Connect the power cord and switch on the power.
Replace the Environment Sensor (PL 11.2). Connect the power cord and switch on the power.
If the problem continues, replace the MCU PWB (PL 11.2).
Initial Issue
Phaser 790/DocuColor 2006
wires are
10/00
2-81
Status Indicator RAPs
007-324