Code :

Code: E753-0001
Description: Download Error
System Software Update Error Error occurs when updating system software of uninstalled options
Remedy: Check the log to find where the download error has been occurred. FIN_E1 Staple Finisher-E1/Booklet Finisher-E1 G3CCB Super G3 FAX Board-AF1/Super G3 2nd Line Fax Board-AF1/Super G3 3rd/4th Line Fax Board-AE1 G3CCM Super G3 FAX Board-AF1/Super G3 2nd Line Fax Board-AF1/Super G3 3rd/4th Line Fax Board-AE1 When any of the above system software is displayed, check if the target option has been installed. When the target option has not been installed: Turn OFF and then ON the main power supply to restore (since there is no system software to be updated.). When the target option has been installed: Check if the accessory is correctly installed and if the target system software to be downloaded is for the installed option. Then download the appropriate system software again.

Code: E804-0000
Description: Power Supply Cooling Fan 1/2 error
The Fan stop signal is detected for 5 seconds or longer and retry is failed 4 times in a row although the Power Supply Cooling Fan 1 (FM14)/Power Supply Cooling Fan 2 (FM15) is turned ON. The error detection signal cable is shared with the Fans, and it is not detected with which Fan the error occurs.
Remedy: 1. Check the connection of the Connector. 2. Replace the Power Supply Cooling Fan 1 (FM14)/Power Supply Cooling Fan 2 (FM15).

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