Lexmark T650 Service Manual - Page 142
assembly removal T650
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4062 Error code or message 933.00 934.00 935.00 936.10 936.11 Error contents Polygon mirror motor locked. No first laser H sync received. Mirror motor lost lock. Polygon mirror motor control failure. Main drive motor assembly failure No halls detected at motor start. Motor = type 0 Main drive motor assembly failure No halls detected at motor start. Motor = type 1 Description/Action 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. The main drive motor assembly may be faulty or has failed. Possible repair actions Replace the printhead assembly. Go to "Printhead assembly removal (T650)" on page 4-60 or "Printhead assembly removal (T652, T654)" on page 4-61. 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. 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. 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. 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. 2-108 Service Manual