Phaser 6500/WorkCentre 6505 Service Manual Xerox Internal Use Only 3-139
Error Messages and Codes
IOT PHD Life Pre Warning
Applicable Error Code
• 091-402
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
â– Imaging Unit (PL4.1.21)
â– MCU Board (SFP PL8.2.13; MFP
PL8.3.6)
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Troubleshooting Procedure
Step Actions and Questions Yes No
1 Check the life counter value of the
Imaging Unit.
Does the life count value show the
near of the end?
Replace the
Imaging Unit.
(page 8-7)
Go to step 2.
2 Reseat the Imaging Unit.
Does the error still occur when the
power is turned Off and On?
Go to step 3. Complete.
3 Check after replacing the Imaging
Unit.
Replace the Imaging Unit. (page 8-7)
Caution: Be sure to pull all eight
sealing tapes out from a new
Imaging Unit before
installation.
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.