Lexmark T650 Series - Page 121

Diagnostic information 2-85
4062
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920.07 Fuser warm-up failure
Fuser type = 1
The fuser hot roll temperature
is not maintained properly
while the media in the fuser
nip.
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. Check all connections on
the fuser and LVPS card
assembly.
4. Replace the fuser unit
assembly if problem
remains. Go to “Fuser unit
assembly removal” on
page 4-22.
5. Replace the LVPS card
assembly if problem
remains. Go to “System
card assembly removal”
on page 4-75 or “LVPS
card assembly removal
(T652, T654, T656)” on
page 4-30.
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” on
page 4-22.
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” on
page 4-22.
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” on
page 4-22.
Error
code or
message
Error contents Description/Action Possible repair actions