HP DesignJet 2500CP Service Manual page 103

In this case, try one of the following:
1 Check that the Window Sensor is seated correctly.
2 Check that the cable for the Window Sensor is connected correctly.
3 Replace the Window Sensor ' page 8 21.
Right Door Sensor Failure
If there is a problem with the Right Door Sensor then the following message
will appear:
D0802 Fail" Right Door Sensor failed.
D
In this case, try one of the following:
1 Check that the Right Door Sensor is seated correctly.
2 Check that the cable for the Right Door Sensor is connected correctly.
3 Replace the Right Door Sensor ' page 8 21.
Left Door Sensor Failure
If there is a problem with the Left Door Sensor then the following message
will appear:
D0803 Fail" Left Cover Sensor failed.
D
In this case, try one of the following:
1 Check that the Left Door Sensor is seated correctly.
2 Check that the cable for the Left Door Sensor is connected correctly.
3 Replace the Left Door Sensor ' page 8 18.
Refill Valve Sensors Failure
If there is a problem with the Refill Valve Sensors then one of the following
messages will appear:
D0804 Fail" Black Refill Valve Sensor failed.
D
D0805 Fail" Magenta Refill Valve Sensor failed.
D
D0806 Fail" Cyan Refill Valve Sensor failed.
D
D0807 Fail" Yellow Refill Valve Sensor failed.
D
The test is continued on the next page.
Service Tests HP DesignJet CP Series Printers 4-19