Control panel message Description Recommended action
54.XX ERROR A device command error has occurred. 1. Turn the device off and then on.
2. If the message persists, contact
HP support.
55.XX.YY DC CONTROLLER ERROR
alternates with
To continue turn off then on
The engine is not communicating with the
formatter.
1. Turn the device off and then on.
2. Verify that the flat ribbon cable between
the ECU and the formatter PCA is
connected correctly.
3. If the message persists, replace the
ECU. If the message still persists,
replace the formatter.
57.03 ERROR
alternates with
To continue turn off then on
A sub cooling fan (FM2) error has occurred.
Fan operation is verified during device power-
up. Fan operation occurs only during power-
up or during a print job.
1. Turn the device off and then on.
2. Verify that nothing is hindering or
blocking the fan.
3. Verify that the fan is connected to
connector J512 on the ECU PCA.
(See
Figure 6-9 ECU wiring
on page 195 .) You might have to
remove the main cooling fan to see this
connection.
4. If the message persists, replace the fan.
57.04 ERROR
alternates with
To continue turn off then on
A main cooling fan (FM1) error has occurred.
Fan operation is verified during device power-
up. Fan operation occurs only during power-
up or during a print job.
1. Turn the device off and then on.
2. Verify that nothing is hindering or
blocking the fan.
3. Verify that the fan is connected to
connector J509 on the ECU PCA.
(See
Figure 6-9 ECU wiring
on page 195.)
4. If the message persists, replace the fan.
59.50 ERROR
alternates with
To continue turn off then on
A main motor (M1) error has occurred. Motor
operation is verified during device power-up.
1. Turn the device off and then on.
2. Verify that nothing is hindering the main
motor. If necessary, remove all paper
trays and the print cartridge, and then
turn on the device and listen for motor
operation.
3. Verify that the main motor is connected
to connector J407 on the ECU. (See
Figure 6-9 ECU wiring on page 195.)
You might have to remove the main
cooling fan to see this connection.
4. If the message persists, replace the
motor.
62 NO SYSTEM No system was found. 1. Turn the device off and then on.
2. If the message persists, replace the
formatter.
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