Errors - Lexmark MX71x Service Manual

Action
Step 30
a
Replace the faulty ISP option.
b
POR the printer.
Does the error remain?
Step 31
Contact your next level of support. You will need the following information:
•
Exact 900.xx error digits and complete error message
•
Printed menu settings page
•
Printed network settings page
•
Device error log
•
A sample print file if the error appears to be isolated to a single file
•
File/Application used if the error is related to specific print file
•
Device operating system
•
Driver used (PCL/PS)
•
Frequency of the occurrence of the error

912 errors

912 error messages
Error code Description
912.xx Unrecoverable Engine firmware error
POR the machine. If the error re‑occurs, then update
the firmware. If the error continues occurring, then
replace the controller board.
94y errors
94y error messages
Error code Description
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.
Replace the controller board.
949.xx Failed engine card—delay line calibration failure.
Replace the controller board.
Yes
Go to step 31.
Action
Go to "Controller board removal" on page
Action
Go to "LVPS failure service check" on page
Go to "Controller board removal" on page
Diagnostic information
264
7463
No
Go to step 26.
422.
251.
422.