Dell 5535dn Service Manual page 129

Error
code or Error contents
message
927.16 Print cartridge cooling
fan over speed failure.
927.17 Print cartridge cooling
fan over speed failure.
927.21 LVPS cooling fan
failure.
929.01 Sensor (toner empty)
sensor failure.
929.02 Sensor (toner empty)
sensor failure.
929.03 Sensor (toner empty)
sensor failure.
930.00 Incorrect printhead or
intermittent Hsync
Description/Action
The Print cartridge cooling fan
does not reach the specified
speed.
The Print cartridge cooling fan
does not reach the specified
speed.
LVPS cooling fan is obstructed
or has failed.
The sensor (toner empty) does
not provide toner level
feedback or the print cartridge
is damaged.
The sensor (toner empty) does
not provide toner level
feedback or the print cartridge
is damaged.
The sensor (toner empty) does
not provide toner level
feedback or the print cartridge
is damaged.
A non supported printhead is
installed. Hsync signal is
intermittent or noisy. Printhead
ID resistor circuit is not to spec.
Possible repair actions
1. Check for cooling fan
obstructions.
2. Check the connections on
the main cooling fan.
3. Replace the print cartridge
cooling fan. Go to "Print
cartridge cooling fan
removal" on page 4-31.
1. Check for cooling fan
obstructions.
2. Check the connections on
the main cooling fan.
3. Replace the print cartridge
cooling fan. Go to "Print
cartridge cooling fan
removal" on page 4-31.
1. Check for cooling fan
obstructions.
2. Check the connections on
the main cooling fan.
3. Replace the LVPS cooling
fan. Go to "LVPS cooling
fan" on page 4-154.
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
(ADF sheet through)
static jam service check"
on page 2-112.
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
(ADF sheet through)
static jam service check"
on page 2-112.
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
(ADF sheet through)
static jam service check"
on page 2-112.
Replace the printhead
assembly. Go to "Printhead
assembly removal" on
page 4-34.
Diagnostic information
2-97