Heat Belt (Center) Temperature Increase Failure; Heat Belt (Rear) Temperature Increase Failure; Fuser Temperature Lag Error - Lexmark C950 Service Manual

5058-030

121.07 Heat belt (center) temperature increase failure

Step Action and questions
Check the fuser assembly.
1
Is the above component
properly connected?
Replace the fuser assembly. Go
2
to
"Fuser assembly removal"
on page 4-78.
Does the error remain?
POR the machine.
3
Does the error continue?

121.08 Heat belt (rear) temperature increase failure

Step Action and questions
Check the fuser assembly.
1
Is the above component
properly connected?
Replace the fuser assembly. Go
2
to
"Fuser assembly removal"
on page 4-78.
Does the error remain?
POR the machine.
3
Does the error continue?

121.09 Fuser temperature lag error

Step Action and questions
Check the fuser assembly.
1
Is the above component
properly connected?
Replace the fuser assembly. Go
2
to
"Fuser assembly removal"
on page 4-78.
Does the error remain?
Service Manual
2-52
Yes
Go to step 2.
Go to step 3.
Replace the upper printer engine
PCBA.
Go to
"Upper printer engine
PCBA removal" on page 4-180.
Yes
Go to step 2.
Go to step 4.
Replace the upper printer engine
PCBA.
Go to
"Upper printer engine
PCBA removal" on page 4-180.
Yes
Go to step 2.
Go to step 3.
No
Remove foreign particles, and
replace the connections.
Problem resolved
Problem resolved
No
Remove foreign particles, and
replace the connections.
Problem resolved
Problem resolved
No
Remove foreign particles, and
replace the connections.
Problem resolved
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