Imaging Unit Firmware Failure - Xerox phaser 6250 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
Applicable Parts
Plate Dispenser Assembly
PL 10.1.13
Troubleshooting Procedure Table
Steps Actions and Questions
1 Check the Imaging Unit for defects or
possible damage.
2 Does the error recur if the Imaging Unit is
replaced?
3 Is the CRUM Harness connector
damaged or improperly connected.
4 Does the error recur after the Plate
Dispenser is replaced?
5 Remove the left cover.
Check the Gear Slide and the Rack V for
damage or misalignment.
Is the Rack V out of alignment?
See page 8-77 for more information.
6
Does the error recur after the aligning the
Gear and Rack?
7 Check J710 <=> J71 on the CRUM
Harness for continuity.
Use the wiring diagram "Fuser Assembly"
on page 10-21.
8 Does the error recur after the replacing
the CRUM harness?
3-72
Wiring and Plug/Jack Map References
"Fuser Assembly" on page 10-21
Phaser 6250 Color Laser Printer Service Manual
Yes
Replace the parts
concerned.
Go to Step 3.
Replace the Plate
Dispenser
Assembly,
PL 10.1.13.
Go to Step 5.
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 7.
Go to Step 9.
Go to Step 9.
No
Go to Step 2.
Complete
Go to Step 5.
Complete
Go to Step 7.
Complete
Replace the
CRUM Harness
Assembly,
PL 10.1.12.
Complete