HP Designjet T830 T730 Scanner Board PCA F9A30-67029

To solve Scanner Error 0009-0021 .hp-Designjet-t830-t730-scanner-board-scanner-bundle-PCA-f9a30-67029.Switch the power off and disconnect the power cord. Reconnect the power cord and power on the printer.2. Enter the support menu, see Entering the support menus, and run the Scanner Media Drive diagnostics test.3. Depending on the result, the call agent should arrange a service engineer visit to change the scanner motor and transmission, or any of the service parts involved on the media drive.1. Replace the scanner card first then replace the motor and transmission.2. Ensure the pinches and advance rollers turn freely, and the transmission to the sliders works properly.3. Run the Scanner Media Drive diagnostics test to ensure the system works properly after the repair.