Lexmark T650 Series - Page 124

2-88 Service Manual
4062
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920.57 Fuser warm-up failure
Fuser type = 1
Fuser page count has
exceeded life.
The fuser hot roll temperature
is not maintained properly
while the media in the fuser
nip.
Replace the fuser unit
assembly if problem remains.
Go to “Fuser unit assembly
removal” on page 4-22.
920.75 Fuser under
temperature
Fuser type = 2
Fuser page count has
exceeded life.
Fuser does not maintain proper
operating temperature within
steady state control.
Replace the fuser unit
assembly if problem remains.
Go to “Fuser unit assembly
removal” on page 4-22.
920.76 Fuser warm-up failure
Fuser type = 2
Fuser page count has
exceeded life.
The fuser hot roll took too long
to heat up after transitioning to
new enhanced mode within
standby control only.
Replace the fuser unit
assembly if problem remains.
Go to “Fuser unit assembly
removal” on page 4-22.
920.77 Fuser warm-up failure
Fuser type = 2
Fuser page count has
exceeded life.
The fuser hot roll fell to far
below desired temperature
while in standby control.
Replace the fuser unit
assembly if problem remains.
Go to “Fuser unit assembly
removal” on page 4-22.
920.78 Fuser warm-up failure
Fuser type = 2
Fuser page count has
exceeded life.
The fuser hot roll is too cool
while checking for slope
change in standby.
Replace the fuser unit
assembly if problem remains.
Go to “Fuser unit assembly
removal” on page 4-22.
920.79 Fuser warm-up failure
Fuser type = 2
Fuser page count has
exceeded life.
The fuser hot roll is too cool
when heating to desired
temperature after slope change
within standby control only.
Replace the fuser unit
assembly if problem remains.
Go to “Fuser unit assembly
removal” on page 4-22.
920.81 Fuser warm-up failure
Fuser type = 2
Fuser page count has
exceeded life.
The fuser hot roll temperature
does not increase while the
lamp is turned on.
Replace the fuser unit
assembly if problem remains.
Go to “Fuser unit assembly
removal” on page 4-22.
920.82 Fuser warm-up failure
Fuser type = 2
Fuser page count has
exceeded life.
The fuser hot roll temperature
is not maintained properly
while the media in the fuser
nip.
Replace the fuser unit
assembly if problem remains.
Go to “Fuser unit assembly
removal” on page 4-22.
922.00 Fuser warm-up failure
Fuser type = 1
The fuser hot roll failed to
reach target departure.
1. Turn the machine off/on
and ensure the fuser unit
assembly is properly
installed.
2. Ensure the proper voltage
fuser is installed in the
machine.
3. Replace the fuser unit
assembly if problem
remains. Go to “Fuser unit
assembly removal” on
page 4-22.
Error
code or
message
Error contents Description/Action Possible repair actions