Service Manual

2-108 Service Manual
4062
933.00 Polygon mirror motor
locked. No first laser
H sync received.
The hsync signal is missing or
not at the correct voltage.
Replace the printhead
assembly. Go to “Printhead
assembly removal (T650)” on
page 4-60 or “Printhead
assembly removal (T652,
T654)” on page 4-61.
934.00 Mirror motor lost lock. The signals driving the polygon
motor may have been
corrupted, or the cable may be
loose, or the motor may be
bad.
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 (T650)” on
page 4-60 or “Printhead
assembly removal (T652,
T654)” on page 4-61.
935.00 Polygon mirror motor
control failure.
The signals driving the polygon
mirror motor may have been
corrupted, or the cable may be
loose, or the motor may be
bad.
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 (T650)” on
page 4-60 or “Printhead
assembly removal (T652,
T654)” on page 4-61.
936.10 Main drive motor
assembly failure
No halls detected at
motor start.
Motor = type 0
The main drive motor assembly
may be faulty or has failed.
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
“Output cover assembly
removal (T650, T652,
T654)” on page 4-54.
4. Replace the system card
assembly if problem
remains. Go to “System
card assembly removal
(T650, T652, T654, T656)”
on page 4-76.
936.11 Main drive motor
assembly failure
No halls detected at
motor start.
Motor = type 1
The main drive motor assembly
may be faulty or has failed.
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
“Output cover assembly
removal (T650, T652,
T654)” on page 4-54.
4. Replace the system card
assembly if problem
remains. Go to “System
card assembly removal
(T650, T652, T654, T656)”
on page 4-76.
Error
code or
message
Error contents Description/Action Possible repair actions