Open and close the rear door. Make sure the machine is in a climate controlled environment. Fault 071-940 RFC 1 Jam or Error, check for an jammed paper or paper pieces.
BSD-ON: CH3.7 ESS
CTS Internal Failure (UI-Control panel). UI software error within the ESS PWB.
The Accessories have their own power cord. Whenever a procedure states to Power Off and
then Power On, POPO, etc., powering Off and then powering On the IOT does NOT Power Off
the Accessory. The Accessory will have to be Powered Off and then On separately from the
IOT by unplugging the Accessory power cord.
Switch the power Off, then on. If the problem still exists, perform the following:
1. Upgrade ESS Firmware to the latest version (GP 2) and check to see if the same problem
2. If the problem continues, replace the UI Interface PWB (PL 11.5).
3. If the problem continues, replace the ESS PWB (PL 11.6).