HP H35000, H45000 manual Manual Calibrations

Use a printer’s loupe or magnifying glass if the patterns are difficult to see.

Fig. 4-4. Sample head calibration patterns (1 head per color, six color version shown)

5.Press the , or ) control panel keys repeatedly until the number next to the pattern that is closest to aligned perfectly is displayed.

For example, if pattern -1 is the closest aligned, press the ) key to change the display to:

X Direction Registration

Head 2: -1

If a printhead is extremely out of alignment, there may be no pattern in alignment. Since the black vertical bars are five pixels apart, you can add +5 or -5 to a pattern number to shift the colored bars up or down by one black bar. Alterna- tively, you can repeatedly perform the X calibration, which will move the head in smaller increments, until the head is aligned.

6.Press ! (Proceed).

4-16 Manual Calibrations