HP DesignJet 2500CP Service Manual page 119

Service Calibrations
The following is a list of all internal service calibrations available in the
Printers. Instructions for entering the service calibrations menu are given on
page 5 5.
ALL THE COVER SENSORS ARE DISABLED WHEN IN THE
CALIBRATIONS MENU. IF THE CARRIAGE IS MOVING IT WILL
NOT STOP IF THE WINDOW IS OPENED, SO BE VERY CAREFUL
NOT TO PUT YOUR HANDS INSIDE.
1 Carriage ' page 5 6
The purpose of this calibration is to calibrate the temperature from which
the printhead has to be warmed.
2 Refill ' page 5 8
The purpose of this calibration is to ensure the correct position of the
carriage assembly in respect to the refill assembly.
3 Line Sensor ' page 5 9
The purpose of this calibration is to calibrate the intensity of the line
sensor in the carriage PCA. An incorrect calibration can result in
edge detection failures during media loading and incorrect reading of
prints that are used for alignment or calibration.
4 Service Station ' page 5 11
This Calibration is no longer required and should never be performed.
5 Printheads Alignment ' page 5 12
The purpose of this calibration is to test and if necessary correct the
misalignment between the printheads. This Calibration is necessary to
avoid color misalignments and print quality defects like banding.
6 Printheads Check ' page 5 13
The purpose of this calibration is to check that the Nozzles of the
Printheads are functioning correctly.
Service Calibrations
WARNING
HP DesignJet CP Series Printers 5-3