Phaser 6500/WorkCentre 6505 Service Manual Xerox Internal Use Only 3-125
Error Messages and Codes
IOT Exit Off JAM / IOT Exit Off early JAM
Applicable Error Codes
• 077-104 / 077-105
To avoid possible burns, allow the Fuser Assy to cool before beginning the
procedure.
27 Check the voltage across J23-5 <=>
ground on the MCU Board.
Remove the Lower Chute Assembly
(page 8-84; PL3.2.27) to check the
operation of the Registration Sensor.
Does the voltage change when you
operate the Registration Input
Actuator?
Replace the
MCU Board.
(SFP,
page 8-138;
MFP,
page 8-160)
Replace the
Registration
Sensor
(page 8-80)
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
■ Fuser Assy (PL6.1.1)
■ MCU Board (SFP PL8.2.13; MFP
PL8.3.6)
■ Fuser Harness Assy (PL6.1.2)
■ Feeder Assy. (PL 3.1.98)
■ Drive Clutch Assy. (PL 3.1.97)
■ “Map 1 - SFP Print Engine” on
page 10-6
■ “Map 6 - MFP Print Engine” on
page 10-15
■ “SFP Fuser” on page 10-33
■ “MFP Fuser” on page 10-46
Troubleshooting Procedure
Step Actions and Questions Yes No
1 Check the error.
Replace to known good paper.
Does the error still occur when
printing?
Go to step 2. Complete.
2 Perform the procedure “Exit Sensor” on
page 4-23 to check the Exit Sensor
operation.
Does the number on the screen
increase by one, when you operate the
Exit Sensor actuator in the Fuser Assy?
Go to step 7. Go to step 3.
Troubleshooting Procedure (continued)
Step Actions and Questions Yes No
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