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Service Tests and Utilities
HP Designjet 4500 Printer Series Service Manual
14 The following message is displayed on the Front Panel. Raise the Roll 1 Load
Lever and press any key to continue.
If there is a failure at this point the Front Panel will display the System
Error Code 54.1:10.
For more information on troubleshooting this error
code, refer to Page 2-20.
15 When the following message is displayed on the Front Panel, load paper
from Roll 1 and press any key to continue.
16 The Printer now checks:
The BT Standby Sensor, if there is a failure the
Front Panel will display
System Error Code 53.3:10.
For more information on troubleshooting
this error code, refer to Page 2-18.
The Media Presence Sensor, if there is a failure the
Front Panel will display
System Error Code 53.10
. For more information on troubleshooting this
error code, refer to Page 2-19.
The Back Channel Sensor, if there is a failure the
Front Panel will display
System Error Code 53.1:10.
For more information on troubleshooting
this error code, refer to Page 2-18.
In each case
check also
System Error Code 07:10
(refer to Page 2-6).