2-84 Service Manual
4062
920.25 Fuser under
temperature
Fuser type = 2
Fuser does not maintain proper
operating temperature within
steady state control.
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.
920.26 Fuser warm-up failure
Fuser type = 2
The fuser hot roll took too long
to heat up after transitioning to
new enhanced mode within
standby control only.
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.
920.27 Fuser warm-up failure
Fuser type = 2
The fuser hot roll fell to far
below desired temperature
while in standby control.
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.
920.28 Fuser warm-up failure
Fuser type = 2
The fuser hot roll is too cool
while checking for slope
change in standby.
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.
Error
code or
message
Error contents Description/Action Possible repair actions
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