Lexmark T650 Service Manual page 126

4062
Error
code or
message
920.52
920.53
920.54
920.56
920.57
920.75
920.76
920.77
920.78
920.79
2-92
Service Manual
Error contents
Fuser warm-up failure
Fuser type = 1
Fuser page count has
exceeded life.
Fuser warm-up failure
Fuser type = 1
Fuser page count has
exceeded life.
Fuser warm-up failure
Fuser type = 1
Fuser page count has
exceeded life.
Fuser warm-up failure
Fuser type = 1
Fuser page count has
exceeded life.
Fuser warm-up failure
Fuser type = 1
Fuser page count has
exceeded life.
Fuser under
temperature
Fuser type = 2
Fuser page count has
exceeded life.
Fuser warm-up failure
Fuser type = 2
Fuser page count has
exceeded life.
Fuser warm-up failure
Fuser type = 2
Fuser page count has
exceeded life.
Fuser warm-up failure
Fuser type = 2
Fuser page count has
exceeded life.
Fuser warm-up failure
Fuser type = 2
Fuser page count has
exceeded life.
Description/Action
The fuser hot roll fell to far
below desired temperature
while in standby control.
The fuser hot roll is too cool
while checking for slope
change in standby.
The fuser hot roll is too cool
when heating to desired
temperature after slope change
within standby control only.
The fuser hot roll temperature
does not increase while the
lamp is turned on.
The fuser hot roll temperature
is not maintained properly
while the media in the fuser
nip.
Fuser does not maintain proper
operating temperature within
steady state control.
The fuser hot roll took too long
to heat up after transitioning to
new enhanced mode within
standby control only.
The fuser hot roll fell to far
below desired temperature
while in standby control.
The fuser hot roll is too cool
while checking for slope
change in standby.
The fuser hot roll is too cool
when heating to desired
temperature after slope change
within standby control only.
Possible repair actions
Replace the fuser unit
assembly if problem remains.
"Fuser unit assembly
Go to
removal (T650, T652, T654)"
on page 4-23.
Replace the fuser unit
assembly if problem remains.
Go to "Fuser unit assembly
removal (T650, T652, T654)"
on page 4-23.
Replace the fuser unit
assembly if problem remains.
Go to "Fuser unit assembly
removal (T650, T652, T654)"
on page 4-23.
Replace the fuser unit
assembly if problem remains.
Go to "Fuser unit assembly
removal (T650, T652, T654)"
on page 4-23.
Replace the fuser unit
assembly if problem remains.
Go to "Fuser unit assembly
removal (T650, T652, T654)"
on page 4-23.
Replace the fuser unit
assembly if problem remains.
"Fuser unit assembly
Go to
removal (T650, T652, T654)"
on page 4-23.
Replace the fuser unit
assembly if problem remains.
Go to "Fuser unit assembly
removal (T650, T652, T654)"
on page 4-23.
Replace the fuser unit
assembly if problem remains.
Go to "Fuser unit assembly
removal (T650, T652, T654)"
on page 4-23.
Replace the fuser unit
assembly if problem remains.
Go to "Fuser unit assembly
removal (T650, T652, T654)"
on page 4-23.
Replace the fuser unit
assembly if problem remains.
Go to "Fuser unit assembly
removal (T650, T652, T654)"
on page 4-23.