select printer | 500/800 series | service information
hp designjet 500/800 series printers
» service information
  » service information
» troubleshooting
» system error codes
» hp ink supplies troubleshooting
» service test and utilities
» service calibrations
» print quality
» preventive maintenance
» functional overview
» downloads
» parts list
» disassembly
» send feedback or
comments
 
» Advance Calibration

The purpose of this Service Calibration is to calibrate the nominal advance of the media. This calibration is necessary to control the exact movement on the media type that will be used (upto 2) in order to avoid print quality problems like banding.

Perform the Advance Calibration whenever:

Banding is detected in prints.
Printheads Diagnostic is OK.

Perform the Advance Calibration as follows:

In the Service Calibrations submenu, scroll to "Advance calibration" and press Enter.

When the following message appears on the front panel, select "Create pattern" and press Enter.

If media is not loaded, the following message appears on the front panel and you must load media into the Printer.

The Printer will start to print the Accuracy Calibration Pattern and the following message will be displayed on the front panel:

The following drawing shows you the pattern that will be printed:

In order to measure the pattern that has been printed, load the pattern into the Printer with the printed side up and with the dotted line at the top (that is, rotated 90º).

Re-enter the Advance Calibration and select "Measure pattern" and press Enter.

The Printer will measure the alignment marks using the line sensor on the Carriage Assembly. The following message will be displayed while the Printer measures the pattern:

Once the calibration is completed, the following message will be displayed:

© 1994-2006 Hewlett-Packard Company