Error Messages, Codes, and Procedures 3-203
Replace Incorrect Drum Cartridge - J7-3 DRUM Type
Mismatch
The Drum Cartridge CRUM PWB indicates a non-Xerox Drum Cartridge is installed.
Applicable Error Code
Non-Xerox Drum Cartridge - J7-3 DRUM Type Mismatch
Non-Xerox Drum Cartridge (CRUM PWB) Troubleshooting Reference
Applicable Parts References
■ Drum Cartridge
■ Drum CRUM PWB
■ Engine Logic Board
■ Print Engine P/J Drum and Toner (page 10-6)
■ Print Engine P/J Engine Logic Board (page 10-13)
■ Print Engine Drive/CRUM Wiring (page 10-25)
■ PL5.1 Laser, CRU and Toner Dispense (page 9-32)
■ PL8.1 Print Engine Electrical (page 9-40)
Non-Xerox Drum Cartridge (CRUM PWB) Troubleshooting Procedure
Step Actions and Questions Yes No
1
Check the Drum Cartridge installation.
Was the Drum Cartridge replaced?
Go to Step 2. Replace the
Drum Cartridge. If
the error persists,
go to Step 2.
2
Check the Drum Cartridge CRUM PWB.
Is the Drum Cartridge CRUM PWB
installed correctly?
Go to Step 3. Correct the
installation.
3
Check the Drum Cartridge CRUM PWB
connection.
Are P126 and P/J419 connected?
Go to Step 4. Connect P/126
and P/J419.
4
Check continuity between the Drum
Cartridge CRUM and Engine Logic Board.
1. Disconnect P/126 and P/J419.
2. Check for continuity at the following:
P126-6 <=> P/J419-1
P126-5 <=> P/J419-2
P126-4 <=> P/J419-3
P126-3 <=> P/J419-4
P126-2 <=> P/J419-5
Are these conductive?
Go to Step 5. Repair the wiring.
5
Check +5 V to the Drum Cartridge CRUM
PWB.
Is there +5 V across P126-6 (+) <=>
ground?
Replace the Drum
Cartridge CRUM
PWB (
page 8-70).
Replace the
Engine Logic
Board
(
page 8-89).
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