HP Designjet 4000 Service Manual - Page 46

System Error Codes System Error: 52:10 Problem Description: Drop Detector switch On/Off failure. Corrective Action: Try the following: „ Switch the Power OFF from the back of the Printer and disconnect the Power cord. Reconnect the power cord and power On the Printer. „ Check that the Drop Detector cable is not damaged and is correctly connected to the Service Station cable. „ Check that the Service Station cable is not damaged and is correctly connected to the Interconnect PCA. „ Replace the Drop Detector ⇒ Page 8-31. „ Replace the Gamut PCI PCA ⇒ Page 8-69. „ If the System Error continues, replace the Interconnect PCA ⇒ Page 8-64. 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: 53:10 Problem Description: Media Sensor failure. Corrective Action: Try the following: „ Check that the Media Sensor cable is not damaged and is connected correctly to the Interconnect PCA. „ Replace the Media Sensor ⇒ Page 8-101. System Error: 54:10 Problem Description: Media Lever Sensor failure. Corrective Action: Try the following: „ Check that the Media Lever Sensor cable is not damaged and is connected correctly to the Interconnect PCA. „ Replace the Media Lever Sensor ⇒ Page 8-108. System Error: 55:10 Problem Description: Problem with the Line Sensor. Corrective Action: Try the following: „ Switch the Power OFF from the back of the Printer and disconnect the Power cord. Reconnect the power cord and power On the Printer. „ Replace the Line Sensor ⇒ Page 8-31. „ If the System Error continues, replace the Carriage PCA ⇒ Page 8-48. 2-16 hp designjet 4000 series printer service manual