￿0 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.

SHIFT

Accuracy

Calib. Read

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:DEEROM is cleared

DMain PCA is replaced

DBail falls during media loadingDBail switch is replacedDBail3lift mechanism is removed or replacedTo calibrate the bail, perform the following procedure:￿Enter service mode ￿ page 732.

Bail Calibration

￿ Hold down the A￿T key and press Bail Calibration.

ALT

The Busy 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.

738 Calibrations

C3187390000