HP 2000CP 2500CP - Manual (Page 96)

4-10 Service Tests HP DesignJet CP Series Printers
D02. Line Sensor
The purpose of this test is to verify the operation of the Line Sensor which is
installed on the carriage assembly.
IF POSSIBLE ALWAYS PERFORM THIS TEST BEFORE
REPLACING THE LINE SENSOR. IF THIS TEST PASSES, DO NOT
REPLACE THE LINE SENSOR.
Perform the Line Sensor test as follows:
Load GLOSSY or COATED media before performing this test.
REPLACE THE LENS COVER BEFORE YOU PERFORM THIS
TEST IN ORDER TO PREVENT ANY AEROSOL PROBLEMS.
1 In the Diagnostics submenu, scroll to “D02 Line Sensor” and press
Enter.
Diagnostics
D02 Line Sensor
2 If media is not loaded the test will stop and the message “Load Media” will
be displayed on the front-panel. Load media in order to continue the test.
3 The message “Move Carriage” will be displayed on the front-panel. Use
the following keys to move the carriage left and right over the loaded
media.
D Cancel - Move the carriage to the left.
D Form Feed and Cut - Move the carriage to the right.
4 Make sure that the window is closed and then press Enter when the line
sensor of the carriage is placed over the media.
5 While the test is being performed, a row of “***” will be displayed on the
front-panel.
6 If the test passes, a message similar to the following is displayed on the
front-panel.
Green OK V: 8.0
Blue OK V: 11.0 T: 0
IF THIS TEST PASSES, DO NOT REPLACE THE LINE SENSOR.
7 Press Previous when you have completed the test. The “D0200 Done”
message is displayed on the front-panel if the test exits correctly.