HP Designjet 2800/3800cp Service Manual - Page 58

System Error: Problem Description: Corrective Action: 020003 Error in finding the Refill Stepper Motor home position. 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. System Error Codes HP DesignJet CP Series Printers 2-23