Lexmark X656DE - Page 117

Diagnostic information 2-83
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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” on
page 4-16.
920.29 Fuser warm-up failure
Fuser type = 2
The fuser hot roll is too cool
when heating to desired
temperature after slope change
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 4-16.
920.31 Fuser warm-up failure
Fuser type = 2
The fuser hot roll temperature
does not increase while the
lamp is turned on.
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 4-16.
5. Replace the LVPS card
assembly if problem
remains. Go to “LVPS card
assembly removal” on
page 4-45.
Error
code or
message
Error contents Description/Action Possible repair actions