Lexmark T650n Service Manual page 116

4062
Error
code or
message
920.25
920.26
920.27
920.28
2-84
Service Manual
Error contents
Fuser under
temperature
Fuser type = 2
Fuser warm-up failure
Fuser type = 2
Fuser warm-up failure
Fuser type = 2
Fuser warm-up failure
Fuser type = 2
Description/Action
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.
Possible repair actions
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 (T650,
T652, T654)" on
page 4-16.
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 (T650,
T652, T654)" on
page 4-16.
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 (T650,
T652, T654)" on
page 4-16.
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 (T650,
T652, T654)" on
page 4-16.