User Guide

Control panel message Description Recommended action
PRINTER ERROR
To continue turn off then on
or
57.3 EP fan failure
or
57.4 main fan failure
X Description
3 Cooling fan, right side
(LJ 4250/4300/4350 only)
4 Main cooling fan, left side
57.3 Cartridge fan error (F2)
1 Reconnect the connector between the
fan and the dc controller PCA
(location J78).
2 Replace the fan. See
Cooling fan, right
side (HP LaserJet 4250/4300/4350
Series printers only).
3 Replace the dc controller PCA. See
Dc controller PCA.
57.4 Main fan error (F1)
1 Reconnect the connector between the
fan and the power supply.
2 Verify that the ribbon cables are fully
seated in the connectors on the
dc controller PCA.
3 Replace the fan. See
Main cooling fan
(left side).
4 Replace the power-supply assembly.
See
Power supply.
5 Replace the dc controller PCA. See
Dc controller PCA.
57.7 duplex fan failure The cooling fan in the optional duplexer is
not functioning.
1 Turn the printer off and then on.
2 Replace the duplexer.
58.X
PRINTER ERROR
For help press
alternates with
58.X
PRINTER ERROR
To continue turn off then on
A memory error has been detected.
X Description
2 air-temperature sensor
3 Dc controller
4 power supply
Turn the printer off and then on.
58.2 Air-temperature sensor
1 Turn the printer off and then on.
2 Reconnect the connector between the
air-temperature sensor (the bar
mounted across the main cooling fan
on the left side of the printer) and the
power supply (location J63).
3 Replace the air-temperature sensor.
See
Main cooling fan (left side).
4 Replace the power-supply assembly.
See Power supply.
58.3 Dc controller
1 Replace the dc controller PCA. See
Dc controller PCA.
58.4 Power supply
1 Replace the power-supply assembly.
See
Power supply.
Table 7-7 Numerical printer messages (continued)
Display-message troubleshooting 359