HP 1050c Service Manual - Page 55

System Error Codes System Error: 0B0009 Problem Description: Unable to detect Aerosol Fan (Included on the Right Cover). Corrective Action: Try the following: n Make sure that the Aerosol Fan is connected correctly to the Electronics Module. n Turn the Printer OFF and disconnect the Aerosol Fan from the Electronics Module. Connect a New Aerosol Fan (comes with the new Right Cover) to the Electronics Module and power ON the Printer. If the New Aerosol Fan functions correctly without any Error Codes then remove the Old Aerosol Fan from the Printer and install the New one. n If the New Aerosol Fan does not function correctly either, then replace the Electronics Module ⇒ Page 8-25. System Error: 0B000A Problem Description: Primer Shutdown Error. Corrective Action: Try the following: n Check that the Primer Stepper-Motor Cable is NOT broken or damaged and that the Primer arm moves freely from side to side. n Replace the Service Station ⇒ Page 8-8. n If the Error Code continues, replace the Electronics Module ⇒ Page 8-25. WARNING 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 DesignJets 1050C and 1055CM Printers Service Manual 2-21