Phaser 6500/WorkCentre 6505 Service Manual Xerox Internal Use Only 3-85
Error Messages and Codes
3 Check the connection between the Fan
and the LVPS.
Is P/J503 on the LVPS connected
correctly?
Go to step 5. Reconnect the
connector P/J
503, then go to
step 4.
4 Does the error still occur when the
power is turned Off and On?
Go to step 5. Complete.
5 Check the connections between the
LVPS and MCU Board.
Are P/J501 and P/J14 connected
correctly?
Go to step 7. Reconnect the
connector(s) P/
J501 and P/
J14 correctly,
then go to step
6.
6 Does the error still occur when the
power is turned Off and On?
Go to step 7. Complete.
7 Check the LVPS Main Harness Assy for
continuity.
Disconnect J501 from the LVPS.
Disconnect J14 from the MCU Board.
Is each wire of J501 <=> J14
continuous?
Go to step 8. Replace the
LVPS Main
Harness Assy.
8 Check the power to the Fan.
Disconnect J503 from the LVPS.
Is the voltage across P503-1 <=>
ground on the LVPS, about +24 VDC
when the interlock switch (Interlock
Harness Assy) is pushed?
Replace the
Fan. (SFP,
page 8-119;
MFP,
page 8-141)
Go to step 9.
9 Replace the LVPS. (SFP, page 8-124;
MFP, page 8-145)
Does the error still occur when the
power is turned Off and On?
Replace the
MCU Board.
(SFP,
page 8-138;
MFP,
page 8-160)
Complete.
Troubleshooting Procedure (continued)
Step Actions and Questions Yes No