Lexmark MX310 - 912 Errors; 94 Y Errors

912 errors
912 error messages
Error code Description Action
912.xx Unrecoverable Engine firmware error
POR the machine. If the error re‑occurs, then
update the firmware. If the error continues
occurring, then check the controller board.
Go to
“Controller board service check” on
page 206.
94y errors
94y error messages
Error code Description Action
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.
Go to
“LVPS service check” on page 156.
948.xx Failed engine card—pel clock check failed.
Replace the controller board.
Go to
“Controller board removal” on page
299.
949.xx Failed engine card—delay line calibration failure.
Replace the controller board.
950–958 errors
950–958 error messages
Error code Description Action
950.xx NVRAM mismatch failure—mismatch between
controller board EEPROM and control panel mirror.
".xx" codes:
• 00-29— mismatch between system and mirror
• 30-60—mismatch between secure and system
Go to
“NVRAM mismatch failure service check”
on page 171.
952.xx A recoverable NVRAM Cyclic Redundancy Check
(CRC) error occurred—n is the oset at which the
error occurred.
Go to
“NVRAM cyclic redundancy service
check” on page 172.
7015
Diagnostics and troubleshooting
170