The Ricoh PJ WX6170N supports a maximum resolution of 1920 x 1200 (WUXGA). That's over seven times the resolution of a 640 x 480 (VGA) multimedia projector, which is the most frequently found resolution supported by projectors of this age and type. 640 x 480 (VGA) is also supported by this data projector. In addition, this Ricoh multimedia projector supports a supported graphics resolutions of 1280 x 800 (WXGA).
This projector's resolution (1920 x 1200 (WUXGA)) is in fact the best supported resolution across all 2000:1 contrast ratio data projectors that are a similar age to the PJ WX6170N.
The worst supported resolution across comparable types of projector is 640 x 480 (VGA).