HP 2800

66 6 - Maintaining and troubleshooting ENWW
Calibrating the color
Whenever you replace a printhead, the printer automatically calibrates the colors to ensure the
best print quality. If you are not satisfied with the appearance of the colors, you can calibrate
colors manually.
z From the control panel
1 Press (Select button) on the control panel.
2 Press (Up Arrow button) until MAINTENANCE is highlighted, and then
press (Select button).
3 Ensure PRINT QUALITY is highlighted, and then press (Select button).
4 Press (Down Arrow button) until COLOR CALIBRATION is highlighted, and then
press (Select button).
A color calibration page prints.
5 Follow the instructions on the control-panel display to complete the process.
Calibrating the linefeed
If regular horizontal bands appear in printed text or graphics, calibrate the linefeed.
To calibrate the linefeed
1 Press (Select button) on the control panel.
2 Press (Up Arrow button) until MAINTENANCE is highlighted, and then
press (Select button).
3 Ensure PRINT QUALITY is highlighted, and then press (Select button).
4 Press (Down Arrow button) until LINEFEED CALIBRATION is highlighted, and then
press (Select button).
Two linefeed calibration pages print.
5 Follow the instructions on the control-panel display to complete the process.
a On the calibration page, find the box that has the fewest horizontal bands across it,
and note its number.
b Press (Up Arrow button) or (Down Arrow button) to select the number of the box,
and then press (Select button).