HP Designjet 4500 Series - Page 50

2-20
System Error Codes
HP Designjet 4500 Printer Series Service Manual
System Error: 54.1:10
Problem
Description:
An error with the Roll 1 Media Load Lever Sensor has been detected.
Corrective Action: Try the following:
 Check that the Roll 1 Media Load Lever Sensor cable is not damaged and
is connected correctly to the Interconnect PCA
.
 Perform the Sensors Test ⇒ Page 4-39.
 Replace the Roll 1 Paper Load Lever Sensor ⇒ Page 8-172.
System Error:
54.2:10
Problem
Description:
An error with the Roll 2 Media Load Lever Sensor has been detected.
Corrective Action: Try the following:
 Check that the Roll 2 Media Load Lever Sensor cable is not damaged and
is connected correctly to the Interconnect PCA
.
 Perform the Sensors Test ⇒ Page 4-39.
 Replace the Roll 2 Media Load Lever Sensor ⇒ Page 8-172.
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 8-38.
 If the System Error continues, replace the Carriage PCA ⇒ Page 8-55 .
System Error:
56:01
Problem
Description:
Analog Encoder calibration failed.
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 Encoder Disc and Sensor ⇒ Page 8-120.
 If the System Error continues, replace the PrintMech PCA ⇒ Page 8-91
System Error: 56:03
Problem
Description:
Analog Encoder calibration failed.
Corrective Action: Try the following:
 Switch the Power OFF from the back of the Printer and disconnect the