Xerox 013R00687 Black Drum Unit is designed to perform in the Xerox VersaLink B7125/ENGD2, B7125/ENGH2, B7125/ENGS2, B7125V/D, B7125V/S, B7125V/T, B7130/ENGD2, B7130/ENGH2, B7130/ENGS2, B7130V/D, B7130V/S, B7130V/T, B7135/ENGD2, B7135/ENGH2, B7135/ENGS2, B7135V/D, B7135V/S, B7135V/T.
Xerox 013R00688 Black, Cyan, Magenta, Yellow Drum Unit is designed to perform in the Xerox VersaLink C7000/DN, C7000/N, C7000V/DN, C7000V/N, C7120/ENGD2, C7120/ENGS2, C7120/ENGT2, C7125/ENGD2, C7125/ENGS2, C7125/ENGT2, C7130/ENGD2, C7130/ENGS2, C7130/ENGT2.