Imaging Unit Firmware Failure - Xerox 6200B - Phaser Color Laser Printer Service Manual

Imaging Unit Firmware Failure

Code 75: This is an Imaging Unit CRUM data error.
Caution Protect the imaging unit from exposure to light by covering
the unit or placing in a light proof bag.
Troubleshooting Reference Table
Wiring and Plug/Jack Map References
"Fuser Assembly" on page 358
Troubleshooting Procedure Table
Steps Actions and Questions
1 Check the Imaging Unit for defects or
possible damage.
Replace the Imaging Unit.
2 Does the error recur if the Imaging Unit is
replaced?
3 Is the CRUM Harness connector
damaged or improperly connected.
4 Remove the left cover.
Check the Gear Slide and the Rack V for
damage or misalignment.
Is the Rack V out of alignment?
See RRP 10.1 for more information.
5 Check J710 <=> J71 on the CRUM
Harness for continuity.
Use the wiring diagram "Fuser
Assembly" on page 358.
6 Check J71 <=> J140 on the EEPROM
Harness Assembly for continuity.
Use the wiring diagram "Fuser
Assembly" on page 358.
Error Messages and Codes
Yes
Replace the parts
concerned.
Go to step [3].
Replace the Plate
Dispense Left,
PL 10.1.9.
Damage can occur
if the Gear and
Rack are not in the
proper position.
With Door C open,
push the Rack V up
as far as it can go
and then reinstall
the gear slide.
Go to step [6].
Replace the Engine
Control Board, RRP
12.7.
No
Go to step [2].
Complete
Go to step [4].
Go to step [5].
Replace the Plate
Dispense Left
Assembly,
PL 10.1.9.
Replace the
EEPROM
Harness
Assembly,
PL 13.1.10.
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