Procedure Before Starting The 9Yy Service Checks - Lexmark MS312 Service Manual

Action
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?
Step 4
Run a print test.
Does the problem remain?
Step 5
Replace the toner cartridge
Does the problem remain?
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?
Step 7
Check the cartridge gearbox cable for proper connection to the
controller board.
Is it properly connected?
Step 8
Check the cartridge gearbox cable for damage.
Is it free of damage?

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.
Diagnostics and troubleshooting
133
Yes No
Go to step 4. The problem is
solved.
Go to step 5. The problem is
solved.
Go to step 6. The problem is
solved.
Go to step 7. Replace the
cartridge gearbox.
See
gearbox removal"
on page
Go to step 8. Reseat the cable.
Replace the Replace the
controller board. See cartridge gearbox.
"Controller board See
removal" on gearbox removal"
page 223. on page
4514-330
"Cartridge
219.
"Cartridge
219.