Code :

Code: 985.01 ... 985.07
Description: Service engine RFID communications
Remedy: 1. Check the RFID firmware card, RFID interface card, RFID cable, and RFID option for correct installation. Go to “High capacity input tray (HCIT) pick arm bracket assembly removal”. 2. Replace the RFID UHF option. Note: There can be no other connectivity options installed on printers that have the RFID UHF option installed. If any connectivity option is installed (other than the RFID interface card), a 985.xx error will occur

Code: 990.51 ... 990.54
Description: HCIT tray lift motor PWM underflow error
Remedy: 1. Check for obstruction in the HCIT tray lift area. 2. Check the connections on the HCIT tray lift motor assembly for proper connection. 3. Replace the HCIT tray lift motor drive motor assembly if problem remains.

Code: 990.90
Description: Sensor connection failure Hardware error (sensors are not plugged on the board)
Remedy: Replace all connections on the system card assembly.

Code: 991.00
Description: System card failure Device system card failed basic assurance test.
Remedy: Replace the system card assembly.