Xerox Phaser 6500 Service Manual page 258

Error Messages and Codes
3-130
Troubleshooting Procedure
Step Actions and Questions
1 Check the Option Duplex for
installation.
Is the Option Duplex installed
correctly?
2 Does the error still occur when the
power is turned Off and On?
3 Check the connections between the
Duplex Board and MCU Board.
Are P/J27, P/J271, P/J272 and P/J 601
connected surely?
4 Does the error still occur when the
power is turned Off and On?
5 Check the Duplex Harness Assy for
continuity.
Disconnect P/J601 from the Duplex
Board.
Disconnect P/J271 from the Option
Harness Assy.
Is each cable of P/J601 <=> P/J271
continuous?
6 Check the Option Harness Assy for
continuity.
Disconnect P/J27 from the MCU
Board.
Disconnect P/J 271 from the HARNESS
ASSY DUP.
Is each cable of P/J27<=> P/J271
continuous?
7 Check after replacing the Duplex Unit.
Replace the Duplex Unit. (page 8-162)
Does the error still occur when the
power is turned Off and On?
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Yes
Go to step 3.
Go to step 3.
Go to step 5.
Go to step 5.
Go to step 6.
Go to step 7.
Replace the
MCU Board.
(SFP,
page 8-138;
MFP,
page 8-160)
Phaser 6500/WorkCentre 6505 Service Manual
No
Reseat the
Option Duplex,
then go to step
2.
Complete.
Reconnect the
connector(s)
securely, then
go to step 4.
Complete.
Replace the
Duplex
Harness Assy.
Replace the
Option
Harness Assy.
Complete.