HP 72SI, 98SI manual Manual X Head Registration, Manual Calibrations

Manual X Head Registration

Precise positioning of each drop of ink is essential for optimal print quality. This is possible only if you register all printheads in the printhead assembly to each other in the X (along the length of the platen) direction.

This is a two-part process:

◆Print a registration pattern.

◆Enter the X registration data for each head.

Note This is the manual version of AutoH2H Calibration (see “Auto Calibrations” on page 4-20 for details).

1.On the Manual Calibrations menu, press the ) key repeat- edly to highlight Manual X Head Registration.

2.Press the  (Menu In) key to select the option.

The control panel asks whether you want to print a manual head-to-head calibration page.

◆If you have a calibration pattern from a recent print, you can use it to calibrate the heads. Press ( (Cancel) and go to the next step.

◆If you need to print a new calibration pattern, press ! (Proceed). The printer prints a calibration page.

When the calibration page has printed, the control panel displays this prompt:

Take readings from left side of pattern.

3.Press the ! key.

The control panel displays this message:

X Direction Registration

Head 2: +0

4.Examine the X direction pattern (in the left-hand group of patterns) for the current head, and determine which pattern of colored and black lines are the closest to perfectly aligned.

Manual Calibrations 4-9