HP DesignJet 2500CP Service Manual page 40

System Error:
Problem Description: The Printhead Primitive Driver ASIC Test Failed.
Corrective Action:
2-6
010031
Try the following:
D Make sure that the Trailing Cable is connected
correctly.
D Perform the Carriage Calibration ' page 5 6.
D Replace the Trailing Cable ' page 8 36.
D Replace the Carriage Assembly ' page 8 42.
D Replace the Electronics Module ' page 8 6.
Only replace one component at a time and
check if the error has gone before replacing
another component. Using this procedure
you will be able to determine exactly which
component failed.
HP DesignJet CP Series Printers
System Error Codes