126 Error Messages; Fuser Drive Failure Service Check - Lexmark M52 Series Service Manual

Error code Description
121.60 Belt contact thermistor temperature is out of range. See
121.61 Belt contact thermistor temperature change rate is
out of range.
121.66 Narrow media thermistor temperature is out of
range.
121.67 Narrow media thermistor temperature change rate
is out of range.
121.71 Open fuser main heater thermistor was detected.
121.74 Open fuser edge thermistor was detected.
121.76 Open belt contact thermistor was detected.
121.81 Open fuser backup roll thermistor was detected.
121.82 Open fuser second backup roll thermistor was
detected.
121.83 Open fuser narrow media backup roll thermistor
was detected.

126 error messages

Error code Description
126.01 Line frequency has gone outside the operating
range.
126.05 The LVPS power dropped but the printer was not
in sleep mode.
126.06 LVPS 25V line error was detected.
126.07 LVPS 5V rail was down during power‑on.
126.10 No line frequency was detected.
126.11 Line frequency has gone outside the operating
range.

Fuser drive failure service check

Action
Step 1
Check if the following cables are properly connected and free of
damage:
•
cable J71 on the controller board
•
fuser motor cable
Are the cables properly connected and free of damage?
Action
on page
See
on page
See
on page
Action
See
page
Diagnostics and troubleshooting
306
"Fuser temperature error service check"
307.
"Fuser temperature error service check"
307.
"Fuser temperature error service check"
307.
"LVPS failure service check" on
309.
Yes
Go to step 3.
4064
No
Go to step 2.