Change the default compression type of when sending full-color or gray-scale image data by Internet fax or IP address fax (default: [JPEG (Color)]).
[JPEG (Color)]: Compresses image data in color JPEG format.
[JPEG (Gray Scale)]: Compresses image data in black and white JPEG format.
[Unset]: Compress data according to the compression type specified in [Black Compression Level]. You cannot send data in color or gray scale. Whichever file format you specify, data is converted to the TIFF format.
Data is converted to the compact PDF format using the technique unique to this machine.