HP 4000

2-4
System Error Codes
HP Designjet 4000/4020 Printer Series Service Manual
System Error: 01.2:10
Problem
Description:
ISS PCA faulty - Humidity sensor out of scale or NVM backup 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.
 If the System Error continues, replace the Ink Supply Tubes ⇒ Page 8-46.
System Error: 02:10
Problem
Description:
Encoder seems to be wrong.
Corrective Action: Try the following:
 Check that the Carriage Stopper is correctly installed (Refer to Carriage
Disassembly Instructions ⇒ Page 8-82, Step 16. ).
 Replace the Carriage Assembly ⇒ Page 8-82.
 If the System Error continues, replace the Encoder Strip and Encoder
Sensor ⇒ Page 8-72.
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:
02.1:10
Problem
Description:
Problem with the Carriage PCA.
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 Trailing Cable is not damaged.
 Check that the Trailing Cable is correctly connected to the Carriage PCA,
Interconnect PCA and to the Gamut PCI PCA.
 Replace the Carriage PCA ⇒ Page 8-75.
 If the System Error continues, replace the Gamut PCI PCA ⇒ Page 8-98.
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.