Lexmark X651de Service Manual page 132

7462
Error
code or
message
931.00 No first laser H sync
932.00 Printhead lost laser H
syncs.
933.00 Polygon mirror motor
locked. No first laser
H sync received.
934.00 Mirror motor lost lock.
935.00 Polygon mirror motor
control failure.
936.10 Main drive motor
assembly failure
No halls detected at
motor start.
Motor = type 0
Service Manual
2-98
Error contents
The hsync signal is missing or
not at the correct voltage.
The hsync signal is missing or
not at the correct voltage.
The hsync signal is missing or
not at the correct voltage.
The signals driving the polygon
motor may have been
corrupted, or the cable may be
loose, or the motor may be
bad.
The signals driving the polygon
mirror motor may have been
corrupted, or the cable may be
loose, or the motor may be
bad.
The main drive motor assembly
may be faulty or has failed.
Description/Action Possible repair actions
1. Check all connections on
the printhead assembly for
proper connectivity.
2. Check all connections on
the system card assembly
for proper connectivity.
3. Check all printhead
connections for possible
damage and poor
continuity.
4. Replace the system card
assembly. Go to
"System
card assembly removal"
on page 4-47.
5. Replace the printhead
assembly. Go to
"Printhead assembly
removal" on page 4-32.
Replace the printhead
assembly. Go to
"Printhead
assembly removal" on
page 4-32.
Replace the printhead
assembly. Go to
"Printhead
assembly removal" on
page 4-32.
1. Check all connections on
the printhead assembly.
2. Check all connections on
the system card assembly.
3. Replace the printhead
assembly. Go to
"Printhead assembly
removal" on page 4-32.
1. Check all connections on
the printhead assembly.
2. Check all connections on
the system card assembly.
3. Replace the printhead
assembly. Go to
"Printhead assembly
removal" on page 4-32.
1. Check all connections on
the system card assembly.
2. Check all connections on
the main drive motor
assembly.
3. Replace the main drive
motor assembly. Go to
"Main drive motor
assembly removal" on
page 4-20.
4. Replace the system card
assembly if problem
remains. Go to
"System
card assembly removal"
on page 4-47.
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