Lexmark MB790MFP Service Manual page 124

Error
code or Error contents
message
922.07 Fuser warm-up failure
Fuser type = 1
922.25 Fuser warm-up failure
Fuser type = 2
922.27 Fuser warm-up failure
Fuser type = 2
Description/Action
The fuser hot roll does not
reach operating temperature
after increasing interpage gap.
The fuser hot roll failed to
reach target departure.
The fuser hot roll does not
reach the "beginning lamp
detection" parameter in the
specified time.
7462
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. Replace the fuser unit
assembly if problem
remains. Go to "Fuser unit
assembly removal" on
page 4-15.
5. Replace the LVPS card
assembly if problem
remains. Go to "LVPS card
assembly removal" on
page 4-47.
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 4-15.
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 4-15.
5. Replace the LVPS card
assembly if problem
remains. Go to "LVPS card
assembly removal" on
page 4-47.
2-87
Diagnostic information
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