HP 4000

5-11
Service Calibrations
HP Designjet 4000/4020 Printer Series Service Manual
5 Once the Analog Encoder has been calibrated correctly, the following
message will appear on the Front Panel. Press the Enter key in order to start
the media load process.
6 Load a sheet of HP Productivity Gloss Media that was included in the Paper
Advance Calibration Kit (Part Number Q1273-60125) following the
instructions on the Front Panel. If the kit is not available, then cut a piece of HP
Productivity Gloss Media that is 36 inches wide and at least 45 inches long.
7 Once the media is loaded into the Printer, the following message will
appear on the Front Panel. If roll media has been used instead of cut sheet
media, then you will need to unroll a minimum of 1 meter of media in order
to prevent any back tension which could cause any media advance
problems. Press the Enter key to continue.
8 The Printer will start to print the Paper Advance Calibration Pattern. This
could take several minutes during which the following message will be
displayed on the Front Panel.
9 Once the Accuracy Calibration Pattern has been printed successfully, the
following message will be displayed on the Front panel. Press the Enter key
to continue.
SCAN AXIS FORWARD
Avg PWM: XXX
Max PWM: XXX
Stabilizat Dist: XXX
Avg speed offset: XXX
STD speed offset: XXX
SCAN AXIS FORWARD
Avg PWM: XXX
Max PWM: XXX
Stabilizat Dist: XXX
Avg speed offset: XXX
STD speed offset: XXX
SCAN AXIS FORWARD
Avg PWM: XXX
Max PWM: XXX
Stabilizat Dist: XXX
Avg speed offset: XXX
STD speed offset: XXX