Xerox Phaser 790 Service Manual page 97

007-340 Feeder Motor Fail RAP
The control logic has detected the signal, Feeder Motor Fail (H) +5 VDC.
Procedure
Enter [DO-B8]. The Feeder Motor is operating.
Y N
There is +24 VDC from J 213 pin 1 on the Feeder PWB to printer frame.
Y N
Go to Flag 1. Check the wires for an open or a short circuit to ground. Repair the
wires.
Enter [DO-B8]. There is 0 VDC from J 217 pin 12 to printer frame.
Y N
Replace the Feeder PWB (PL 13.4).
Replace the Feeder Motor (PL 13.4). If the problem continues, replace the Feeder PWB
(PL 13.4).
There is 0 VDC from J 239 pin 4 to printer frame.
Y N
Go to Flag 2. Check the wire for an open circuit. If the wire is bad, repair it. If the wire is
good, replace the Feeder Motor (PL 13.4), (REP 8.20).
Replace the Feeder PWB (PL 13.4).
Initial Issue
Phaser 790/DocuColor 2006
10/00
2-83
Status Indicator RAPs
007-340