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Diagnostic Tests and Utilities
HP Designjet 4000/4020 Printer Series Service Manual
3 The Drive Roller begins to turn slowly and the following message is displayed
on the Front Panel:
4 Refer to the Cleaning Instructions on Page 9-3.
5 Once you have finished cleaning the Drive Roller and the Overdrive, press
the Cancel key to finish the utility.
6 If the utility exits correctly, OK will be displayed on the Front Panel.
PLEASE REMEMBER TO REMOVE THE PIECE OF PAPER FROM THE
WINDOW SENSOR BEFORE CLOSING THE WINDOW AS THIS
COULD DAMAGE THE WINDOW AND THE SENSOR.
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