Action Yes No
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 219.
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.
Step 8
Check the cartridge gearbox cable for damage.
Is it free of damage?
Replace the
controller board. See
“Controller board
removal” on
page 223.
Replace the
cartridge gearbox.
See
“Cartridge
gearbox removal”
on page 219.
Procedure before starting the 9yy service checks
You will need to retrieve certain information. This information will aid your next level of support in diagnosing
the problem before replacing the controller board.
Warning—Potential Damage: Do not replace the controller board unless directed by your next level of
support.
1 Collect the history information and
firmware
logs (Fwdebug and logs.tar.gz) from the SE menu.
2 Collect the settings from the menu settings page.
3 Collect information from the user.
Note: Not all of the items are retrievable from the printer you are working on.
4514-330
Diagnostics and troubleshooting
133
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