3-52 Phaser 6300/6350 Color Laser Printer Service Manual
Non-Xerox Imaging Unit
A Imaging Unit CRUM I.D. error indicates that a non-Xerox Imaging Unit is
installed.
Applicable Status Code:
Code 95: CRUM I.D. error.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■ Imaging Unit, PL6.1.1
■ CRUM Board, PL7.1.4
■ PHD2 Harness, PL7.1.7
■ FAN/PHD/MOT Harness, PL10.1.9
■ Print Engine Map 2 - P/J Locator (page 10-6)
■ Print Engine Map 3 - P/J Locator (page 10-7)
■ Print Engine Laser Unit Wiring (page 10-23)
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Check the Imaging Unit part number.
Is the Imaging Unit a genuine Xerox
Phaser 6300/6350 part?
Go to Step 2. Replace the
Imaging Unit.
2
Check the Imaging Unit for damage.
Is the Imaging Unit damaged?
Replace the Imaging
Unit (
page 8-5).
Go to Step 4.
3
Replace the Imaging Unit.
Does the error persist?
Go to Step 5. Complete
4
Check the CRUM connection.
Is P/J710 connected to the harness?
Go to Step 3. Connect the
CRUM
5
Check all pins on the PHD2 Harness
PL7.1.7 for continuity.
1. Disconnect P/J710 and P/J484.
2. Check continuity between J710 <=>
J484.
Go to Step 4. Replace the PHD2
Harness.
6
Check all pins on the FAN/PHD/MOT
Harness PL10.1.9 for continuity.
1. Disconnect P/J48 and P/J484.
2. Check continuity between J48<=>P484.
Go to Step 5. Replace the FAN/
PHD/MOT
Harness.
7
Replace the Imaging Unit.
Does the error persist?
Replace the Engine
Control Board
(
page 8-104).
Complete
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