3-50 Phaser 6300/6350 Color Laser Printer Service Manual
Non-Phaser 6300/6350 Fuser
A CRUM-ID error indicates that a non-Phaser 6300 Fuser is installed.
Applicable Status Code:
Code 94: Fuser CRUM ID Error
Initial Actions:
■ Ensure that the Fuser latches are fully latched and cycle printer power.
■ If the problem persists, follow the procedure below
arn
ng
Avoid the potential of electric shock by removing the power cord from the 
wall outlet prior to performing the following procedure.
Caution
Allow adequate time for the Fuser to cool before servicing the printer.
5
Check all pins on the RFID2 Harness 
PL7.2.16 for continuity.
1. Disconnect P/J341 and P/J3411.
2. Check continuity between 
J341<=>J3411.
Go to Step 6. Replace the 
RFID2 Harness.
6
Check all pins on the RFID Harness 
PL7.2.17 for continuity. 
1. Disconnect P/J3411 and P/J34.
2. Check continuity between 
P3411<=>J34.
Replace the Engine 
Control Board 
(
page 8-104).
Replace the RFID 
Harness.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■ Fuser, PL5.1.1
■ FSR/ADC Harness, PL5.2.28
■ Engine Control Board, PL9.1.16
■ Print Engine Map 2 - P/J Locator (page 10-6)
■ Print Engine Map 3- P/J Locator (page 10-7)
■ Print Engine Fuser Wiring (page 10-22)
Troubleshooting Procedure Table (Continued)
Step  Actions and Questions Yes No