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System Error Codes
2-7
HP DesignJet 430, 450C and 455CA Printers
D
E
F
K
L
M
A
B
C
G
H
I
N
O
J
Steady DEL
Ready + Align Media + Data: Communication problem
with RSĆ232 (Serial Port).
Possible causes:
D Incorrect configuration in communications speed/protocol.
D Incorrect communications cable.
D Error in host computer.
D
E
F
K
L
M
A
B
C
G
H
I
N
O
J
Steady DFL
Ready + Load Media + Data: There is a communication
problem between the Main PCA and the internal
microprocessors.
The Main PCA is faulty Ć Replace the Electronics Module.
D
E
F
K
L
M
A
B
C
G
H
I
N
O
J
Steady DKL
Ready + Cartridges + Data: Mark Encoder not detected.
Possible causes:
D The line on the mark encoder is dirty or missing.
D Faulty or badly connected trailing cable.
D Faulty or badly connected carriage sensor.
D Faulty or badly connected XĆaxis Encoder Cable.
D The drive roller has shifted slightly from the expected
position (mechanics). Check that the carriage sensor lights
just over the white mark on the drive roller when starting.
D Faulty carriage PCA.
D Faulty XĆmotor.
D Faulty YĆmotor.
D Faulty electronics module.
D
E
F
K
L
M
A
B
C
G
H
I
N
O
J
Steady EFL
Align Media + Load Media + Data: Error reading
Centronics I/O
Problems in the Centronics Communications. Probably due
to the bad contacts of the connector.
D If this error remains, report the problem to your HP
Response Center. Note conditions and actions before
error occurred. Include setup sheet and service
configuration plot in report.