Description: Error in communication with new Card Reader (serial communication)
Causes: Unable to communicate with the new Card Reader.
Remedy: 1. Check the connection of the new Card Reader.
Code: E732-0000
Description: Scanner communication error
Causes: Scanner communication error
Remedy: 1. Install the set of controller firmware. 2. Replace the Main Controller PCB (UN30).
Code: E733-0000
Description: Printer communication error
Causes: A communication error between the Engine Controller PCB and the Main Controller PCB occurred.
Remedy: 1. Check the harness/connector between the Engine Controller PCB (UN1) and the Main Controller PCB (UN30). 2. Install the set of controller firmware. 3. Replace the Main Controller PCB (UN30). 4. Replace the Engine Controller PCB (UN1).
Code: E736-0000
Description: Fax communication error
Causes: Communication error with the CCU/modem.
Remedy: 1. Check the connection of the NCU PCB (UN38). 2. Replace the NCU PCB (UN38). 3. Replace the Main Controller PCB (UN30).
Code: E736-0001
Description: Error in ROM for backing up fax data
Causes: An error occurred in the ROM for backing up fax data.
Remedy: 1. Check the connection of the NCU PCB (UN38). 2. Replace the NCU PCB (UN38). 3. Replace the Main Controller PCB (UN30).