HP 2000CP 2500CP - Manual (Page 58)

System Error Codes 2-23 HP DesignJet CP Series Printers
System Error: 020003
Problem Description: Error in finding the Refill Stepper Motor home
position.
Corrective Action: Try the following:
D Perform the Refill Calibration ' page 5-9.
D Make sure that there are no obstacles in the
Refill path.
D Make sure that the Refill Interconnect Cable
(the black cable that connects the Refill
Assembly and Elevator to the Electronics
Module) is correctly connected to the
Electronics Module.
D Make sure that the cables for the Refill
Stepper Motor and Sensor are correctly
connected to the Refill Interconnect PCA.
D Make sure that the Refill stepper motor is
NOT shorted.
D Replace the Refill Interconnect cable '
Page 8-87.
D Replace the Refill Interconnect PCA ' Page
8-64.
D Replace the Refill Assembly ' Page 8-55.
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.