Lexmark C950 - IGBT High Temperature Error; IGBT Temperature Sensor Failure; Input Low Current Error

2-54 Service Manual
5058-030
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126.08 IGBT high temperature error
126.09 IGBT temperature sensor failure
126.12 Input low current error
Step Action and questions Yes No
1 Check the fuser driver PCBA.
Is the above component
properly connected?
Go to step 2. Replace the connections.
2
Replace the fuser driver PCBA.
Go to
“Fuser driver PCBA
removal” on page 4-84.
Does the error remain?
Go to step 3. Problem resolved
3
POR the machine.
Does the error continue?
Replace the upper printer engine
PCBA.
Go to “Upper printer engine
PCBA removal” on page 4-181.
Problem resolved
Step Action and questions Yes No
1 Check the fuser driver PCBA.
Is the above component
properly connected?
Go to step 2. Replace the connections.
2
Replace the fuser driver PCBA.
Go to “Fuser driver PCBA
removal” on page 4-84.
Does the error remain?
Go to step 3. Problem resolved
3
POR the machine.
Does the error continue?
Replace the upper printer engine
PCBA.
Go to “Upper printer engine
PCBA removal” on page 4-181.
Problem resolved
Step Action and questions Yes No
1 Remove the sub LVPS PCBA. Go
to
“Sub LVPS PCBA removal”
on page 4-158.
Check the fuser driver PCBA.
Is the above component
properly connected?
Go to step 2. Replace the connections.
2
Replace the fuser driver PCBA.
Go to “Fuser driver PCBA
removal” on page 4-84.
Does the error remain?
Go to step 3. Problem resolved