Lexmark T650 Service Manual page 122

4062
Error
code or
message
920.03
920.04
920.06
2-88
Service Manual
Error contents
Fuser warm-up failure
Fuser type = 1
Fuser warm-up failure
Fuser type = 1
Fuser warm-up failure
Fuser type = 1
Description/Action
The fuser hot roll is too cool
while checking for slope
change in standby.
The fuser hot roll is too cool
when heating to desired
temperature after slope change
within standby control only.
The fuser hot roll temperature
does not increase while the
lamp is turned on.
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 4-23.
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 4-23.
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 (T650,
T652, T654)" on
page 4-23.
6. Replace the LVPS card
assembly if problem
remains. Go to "System
card assembly removal
(T650, T652, T654, T656)"
on page 4-76 or "LVPS
card assembly removal
(T652, T654)" on
page 4-31.