Drop Detect Calibration - HP C2858A Service Manual

Drafting plotters
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DROP DETECT CALIBRATION

In this procedure, the position of the drop detect sensor relative to the four print cartridges is
calibrated. Four values are calculated and stored in the plotter EEROM.
Perform the drop detect calibration whenever the:
D
D
D
D
Drop Detect Calibration is accessible through the "Service Tests" menu. To perform the drop
detect calibration, do the following:
1. Press Enter at the "Status" display.
2. Use the arrow buttons to scroll to the "Utilities" main menu. Press Enter.
3. Simultaneously press the Enter and the Up Arrow buttons to access the "Service
Test" submenu.
4. Scroll to the "Drop Detect Calib" submenu. Press Enter.
5. Messages in the plotter display will inform you that the calibration is in process and
to press the Enter button after a successful calibration.
Download Free Service Manual and Resetter Printer at http://printer1.blogspot.com
the EEROM is cleared or replaced
drop detect sensor is removed or replaced
pen checking algorithm continues to reject pens
service station is removed or replaced
Adjustments/Calibrations
7-7

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