You can specify any file format that CUPS supports, such as PS, BMP, TIFF, or JPEG.
For details about the file formats that CUPS supports, see the homepage for the Common UNIX Printing System (http://www.cups.org/).

When printing with the Driver UI using the cngpij command, enter the command as follows:

[user@zzz /yyyy]$ cngpij -P IP2500 [filename]

It displays the following Driver UI on which you can perform the print setting.

 

Print Settings with the Driver UI

Example: Printing Sample.png

[user@zzz /yyyy]$ cngpij -P IP2500 Sample.png

If you do not enter a registered printer name, the default printer is used.