HP DesignJet T1100

• Code: 01.0:YZ
• Description: Main PCA/Electronics module
  HCI queue does not end after 2 seconds.
• Remedy: • 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 Formatter. • If the System Error continues, replace the Main PCA.

• Code: 01.1:YZ
• Description: Add-on Electronics module (printmech)
  NVM backup: not found, read, write or read back error.
• Remedy: • 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 Main PCA. • If the System Error continues, replace the Formatter.

• Code: 01.2:YZ
• Description: Print Mech PCA
  Print Mech PCA fault or NVM backup failure.
• Remedy: • 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 PrintMech PCA.

• Code: 02.1:YZ
• Description: Carriage PCA
  Encoder seems to be wrong.
• Remedy: • 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 between the Main PCA and Carriage PCA. • If the System Error continues, replace the Trailing Cable.. • If the System Error continues, replace the Carriage PCA. • If the System Error continues, replace the Main PCA..

• Code: 02.2:YZ
• Description: Carriage PCA
  Problem with the Carriage PCA.
• Remedy: • 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 between the Main PCA and Carriage PCA. • If the System Error continues, replace the Trailing Cable• Page 8-88. • If the System Error continues, replace the Carriage PCA• • If the System Error continues, replace the Main PCA.. • If the System Error continues, replace the Formatter.

• Code: 03:YZ
• Description: Power supply
  Problem with Power Supply Unit.
• Remedy: • Switch the Power OFF from the back of the Printer and disconnect the Power cord. Reconnect the power cord and power On the Printer. • Perform the Electronics Module Test Diagnostic to troubleshoot the problem further. • If the System Error continues, replace the Power Supply Unit (PSU).