PS (PostScript 3) ROM for the Xerox WorkCentre 7425 7428 7435

PS (PostScript 3) ROM for the Xerox WorkCentre 7425 7428 7435 . 

This is a tested item from a used machine.

Xerox product codes: 540K11173, 540K11172, 540K11171, 540K11170, 960K31960