Cartridge Gearbox Service Check; 9Xx Error Messages - Lexmark MS310 Series Service Manual

Cartridge gearbox service check

Action
Step 1
Check the gear on the toner cartridge for wear or damage.
Is it free of wear or damage?
Step 2
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 3
Check the cartridge gearbox cable for proper connection to the controller
board.
Is it properly connected?
Step 4
Check the cartridge gearbox cable for damage.
Is it free of damage?

9xx error messages

Error code Description
900.xx RIP firmware errors
912.xx Unrecoverable Engine firmware error
940.xx RIP to engine communication failure—the zero
crossing signal used for fuser control in the low voltage
(LV) power supply has failed, or the wrong low voltage
power supply has been installed.
948.xx Failed engine card—pel clock check failed.
949.xx Failed engine card—delay line calibration failure.
Yes
Go to step 2.
Go to step 3.
Go to step 4.
Replace the controller
board. See
board removal" on
page
Action
Go to "System software error service check" on
page 99.
POR the machine. If the error re‑occurs, then update
the firmware. If the error continues occurring, then
replace the controller board. Go to
board removal" on page
Check the LVPS. Go to
page 94.
Replace the controller board. Go to
board removal" on page
Diagnostic information
96
No
Replace the toner
cartridge.
Replace the cartridge
gearbox. See
"Cartridge gearbox
removal" on page
158.
Reseat the cable.
Replace the cartridge
"Controller gearbox. See
"Cartridge gearbox
162. removal" on page
158.
"Controller
162.
"LVPS service check" on
"Controller
162.
4514-220, -230