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4-20 Service Tests
HP DesignJet CP Series Printers
D08. Sensors
The purpose of this test is to verify the operation of the following Sensors:
D Window Sensor.
D Right Door Sensor.
D Left Door Sensor.
D Refill Valve Sensors.
D Standby Button Sensor.
D Media Sensor.
D Pincharm Sensor.
IF POSSIBLE ALWAYS PERFORM THIS TEST BEFORE
REPLACING ANY OF THE SENSORS. IF THIS TEST PASSES, DO
NOT REPLACE ANY OF THE SENSORS.
Perform the Sensors test as follows:
1 In the Diagnostics submenu, scroll to “D08 Sensors” and press Enter.
Diagnostics
D08 Sensors
2 Follow the instructions on the front-panel display. If you do not complete
each step within 10 seconds, the “08XX Fail” message is displayed on the
front-panel.
The XX corresponds to the sensor which you were testing.
3 If you follow all the instructions and the test passes, the “0800 OK”
message is displayed on the front-panel.
IF THIS TEST PASSES, DO NOT REPLACE ANY OF THE SENSORS.
4 If the test fails, an error message will be displayed on the front-panel.
The error messages are split into different areas depending on which
component failed.
Cover Sensor Failure
If there is a problem with the Cover Sensor then the following message will
appear:
D “D0801 Fail” - Window Sensor failed.
The test is continued on the next page.