Lexmark T650 Service Manual page 122

4062
Error
code or
message
920.06 Fuser warm-up failure
Fuser type = 1
920.07 Fuser warm-up failure
Fuser type = 1
920.25 Fuser under
temperature
Fuser type = 2
2-86
Service Manual
Error contents
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.
Description/Action 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. Check all connections on
the fuser and LVPS card
assembly.
4. Ensure the proper voltage
setting is being used on the
switchable LVPS assembly.
5. Replace the fuser unit
assembly if problem
remains. Go to "Fuser unit
assembly removal" on
page 4-22.
6. 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.
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.
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.
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