Igbt High Temperature Error; Igbt Temperature Sensor Failure; Input Low Current Error - Lexmark C950 Service Manual

5058-030

126.08 IGBT high temperature error

Step Action and questions
Check the fuser driver PCBA.
1
Is the above component
properly connected?
Replace the fuser driver PCBA.
2
Go to
"Fuser driver PCBA
removal" on page
Does the error remain?
POR the machine.
3
Does the error continue?

126.09 IGBT temperature sensor failure

Step Action and questions
Check the fuser driver PCBA.
1
Is the above component
properly connected?
Replace the fuser driver PCBA.
2
Go to
"Fuser driver PCBA
removal" on page
Does the error remain?
POR the machine.
3
Does the error continue?

126.12 Input low current error

Step Action and questions
Remove the sub LVPS PCBA. Go
1
to
"Sub LVPS PCBA removal"
on page 4-158.
Check the fuser driver PCBA.
Is the above component
properly connected?
Replace the fuser driver PCBA.
2
Go to
"Fuser driver PCBA
removal" on page
Does the error remain?
Service Manual
2-54
Yes
Go to step 2.
Go to step 3.
4-84.
Replace the upper printer engine
PCBA.
Go to
"Upper printer engine
PCBA removal" on page
Yes
Go to step 2.
Go to step 3.
4-84.
Replace the upper printer engine
PCBA.
Go to
"Upper printer engine
PCBA removal" on page
Yes
Go to step 2.
Go to step 3.
4-84.
No
Replace the connections.
Problem resolved
Problem resolved
4-181.
No
Replace the connections.
Problem resolved
Problem resolved
4-181.
No
Replace the connections.
Problem resolved
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