Sheet Length Calibration - HP C2858A Service Manual

Drafting plotters
Hide thumbs Also See for C2858A:
Table of Contents

Advertisement

All calibration procedures are accessible through the front panel menu structure. Procedures
accessed by users are available through the "Utilities" main menu. These procedures include
Pen Alignment and Accuracy submenus. The Accuracy submenu contains two lower subme-
nus, Restore Factory settings and Recalibrate procedures. The Config Plot function, also lo-
cated in the "Utilities" menu, is used in conjunction with the Accuracy procedures for com-
parison purposes. Procedures reserved for service use are available through the "Service
Tests" menu, which is a subset of the "Utilities" menu.

SHEET LENGTH CALIBRATION

This calibration uses the X-axis to correct for tolerances in x-axis components that are used to
measure media length during media loading. Perform this calibration if the hardclip margins
are not within the "2 mm specification.
Sheet Length Calibration is accessible through the "Service Tests" menu. To perform the
sheet length 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. Either the
Short or Full menu mode will access the "Service Test" submenu.
3. Simultaneously press the Enter and the Up Arrow buttons to access the "Service
Test" submenu.
4. Scroll to the "Sheet Length Calib" submenu. Press Enter.
5. Messages in the plotter display will inform you to load cut-sheet media in a land-
scape orientation. Any standard size or type of media may be used.
6. The plotter will scan across the media, accurately locating the media edges.
7. The sheet must then be removed, rotated 90_, and reloaded into the plotter.
8. The media edges are again scanned and the calibration is completed.
9. Check the margins by measuring the hardclip limit borders on the Configuration
Plot.
Download Free Service Manual and Resetter Printer at http://printer1.blogspot.com
Adjustments/Calibrations
7-3

Advertisement

Table of Contents
loading

This manual is also suitable for:

C2859a

Table of Contents