Imaging unit low service check
Action Yes No
Step 1
Replace the imaging unit.
Does the problem remain?
Go to step 2. The problem is solved.
Step 2
a Make sure the imaging unit smart chip contact cable is properly
connected to the controller board.
b Make sure the contacts are free of debris.
Does the problem remain?
Go to step 3. The problem is solved.
Step 3
Check the contacts for damaged pins.
Are they free of damage?
Contact the next level
of support.
Replace the printer.
Toner cartridge low service check
Action Yes No
Step 1
Replace the toner cartridge.
Does the problem remain?
Go to step 2. The problem is solved.
Step 2
a Make sure the toner cartridge smart chip contact cable JARW1 is
properly connected to the controller board.
b Make sure the contacts are free of debris.
Does the problem remain?
Go to step 3. The problem is solved.
Step 3
Check the contacts for damaged pins.
Are they free of damage?
Contact the next level
of support.
Replace the toner
cartridge smart chip
contact. See
“Toner
cartridge smart chip
contact removal” on
page 188.
4514
Diagnostic information
84
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