Cartridge gearbox service check
Action Yes No
Step 1
Is the button aligned with the front of the toner cartridge?
Go to step 2. Go to step 3.
Step 2
a Remove the toner cartridge.
b Clear the paper jam.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 3
a Remove, and then reinstall the toner cartridge. Make sure that
it is properly seated.
b Check the toner cartridge, toner cartridge button, and cartridge
plunger for damage. Replace if necessary.
c Make sure that the latest firmware is installed.
Does the problem remain?
Go to step 4. The problem is
solved.
Step 4
Run a print test.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
Replace the toner cartridge
Does the problem remain?
Go to step 6. The problem is
solved.
Step 6
Check the gears on the cartridge gearbox for proper rotation and
for wear or damage.
Does it rotate properly and is it free of wear or damage?
Go to step 7. Replace the
cartridge gearbox.
See
“Cartridge
gearbox removal”
on page 238.
Step 7
Check the cartridge gearbox cable for proper connection to the
controller board.
Is it properly connected?
Go to step 8. Reseat the cable.
4514-6xx
Diagnostics and troubleshooting
145
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