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HP Designjet T Series — Service Manual 4-17
Service Calibrations
6 The printer will print a line of black dots and then scan them:
7
Once the Line Sensor has been calibrated, the results will be displayed on
the Front Panel. If the values are within the range, press OK to accept the
results. If the values are NOT within the range, press Back or Cancel to
exit and FAIL the calibration.
8 The Printer will now perform the Printhead Alignment. When the following
message appears on the front panel, you must select whether you would like
to continue with the calibration by pressing the OK key. Press Back or
Cancel to exit the calibration.
9 Once the Printhead Alignment is completed, the following message will be
displayed on the Front Panel. Press the OK key to continue.
If the Printhead Alignment fails for any reason, a warning message will
appear on the Front Panel. In this case, try the following:
Enter the Front Panel menu and retry the Printhead Alignment. If the
Alignment completes successfully, then perform the Color Calibration.
If the Alignment fails again, check the Alignment pattern to see if any of
the Printheads are printing incorrectly. If necessary, perform a Printhead