Diagnostic information 2-103
sensor failure. not provide toner level
feedback or the print cartridge
is damaged.
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 2-148.
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 2-148.
930.00 Incorrect printhead or
intermittent Hsync
A non supported printhead is
installed. Hsync signal is
Replace the printhead
assembly. Go to “Printhead
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
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
933.00 Polygon mirror motor
locked. No first laser
The hsync signal is missing or
not at the correct voltage.
Replace the printhead
assembly. Go to “Printhead
motor may have been
corrupted, or the cable may be
loose, or the motor may be
bad.
the printhead assembly.
2. Check all connections on
the system card assembly.
3. Replace the printhead
assembly. Go to
“Printhead assembly
page 4-60 or “Printhead
Error
code or
message
Error contents Description/Action Possible repair actions
assembly removal (5350dn,
H sync received. assembly removal (5230n/dn)”
on page 4-60 or “Printhead
934.00 Mirror motor lost lock. The signals driving the polygon 1. Check all connections on
removal (5230n/dn)” on
assembly removal
(5350dn, 5530dn, and
T656)” on page 4-61.
assembly removal (5230n/dn)”
on page 4-60 or “Printhead
assembly removal (5350dn,
assembly removal (5230n/dn)”
on page 4-60 or “Printhead
assembly removal (5350dn,
929.02 Sensor (toner empty) The sensor (toner empty) does 1. Check the toner pulse
intermittent or noisy. Printhead assembly removal (5230n/dn)”
ID resistor circuit is not to spec. on page 4-60 or “Printhead
assembly removal (5350dn,
5530dn, and T656)” on
page 4-61.
5530dn, and T656)” on
page 4-61.
5530dn, and T656)” on
page 4-61.
5530dn, and T656)” on
page 4-61.
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