Lexmark T650n - Page 133

Diagnostic information 2-101
4062
929.02 Sensor (toner empty)
sensor failure.
The sensor (toner empty) does
not provide toner level
feedback or the print cartridge
is damaged.
1. Check the toner pulse
wheel on the print cartridge
for damage and replace the
print cartridge if needed.
2. Check the sensor (toner
empty) for proper
operation. See “Sensor
(toner empty) service
check” on page 2-145.
929.03 Sensor (toner empty)
sensor failure.
The sensor (toner empty) does
not provide toner level
feedback or the print cartridge
is damaged.
1. Check the toner pulse
wheel on the print cartridge
for damage and replace the
print cartridge if needed.
2. Check the sensor (toner
empty) for proper
operation. See “Sensor
(toner empty) service
check” on page 2-145.
930.00 Incorrect printhead or
intermittent Hsync
A non supported printhead is
installed. Hsync signal is
intermittent or noisy. Printhead
ID resistor circuit is not to spec.
Replace the printhead
assembly. Go to “Printhead
assembly removal (T650)” on
page 4-47 or “Printhead
assembly removal (T652,
T654)” on page 4-48.
931.00 No first laser H sync The hsync signal is missing or
not at the correct voltage.
Replace the printhead
assembly. Go to “Printhead
assembly removal (T650)” on
page 4-47 or “Printhead
assembly removal (T652,
T654)” on page 4-48.
932.00 Printhead lost laser H
syncs.
The hsync signal is missing or
not at the correct voltage.
Replace the printhead
assembly. Go to “Printhead
assembly removal (T650)” on
page 4-47 or “Printhead
assembly removal (T652,
T654)” on page 4-48.
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 4-47 or “Printhead
assembly removal (T652,
T654)” on page 4-48.
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 4-47 or “Printhead
assembly removal (T652,
T654)” on page 4-48.
Error
code or
message
Error contents Description/Action Possible repair actions