- HP All in One Printer User Manual

SHIFT
Accuracy
Calib. Read
ALT
Bail Calibration
7Ć8 Calibrations
C3187Ć90000
 When the
Ready LED lights up, hold down the
SHIFT key and press Accuracy Calib. Read,
The Busy LED lights up. The plotter takes about
3 minutes to read the calibration sheet, to calculate
the calibration data, and to save the data in the
EEROM. During this time, the plotter appears
almost motionless for short intervals. The plotter
then ejects the sheet.
 Unload the sheet.
Bail Calibration
In this procedure, the `up' position of the bail assembly is calibrated. A value is stored in the
EEROM when the procedure is completed.
Perform the bail calibration whenever the:
 EEROM is cleared
 Main PCA is replaced
 Bail falls during media loading
 Bail switch is replaced
 BailĆlift mechanism is removed or replaced
To calibrate the bail, perform the following procedure:
 Enter service mode  page 7Ć2.
 Hold down the  key and press  .
The  LED lights up and the bail begins cycles of being raised and lowered.
During a number of the cycles, the bail is let fall instead of being gently lowered.
The calibration ends after about a minute and a half.