Z-Type Color Drum Compatibility

There are several Risograph z-type drums, most of which are not universally compatible. Use the following charts to determine compatibility with your machine. 

North American Models

RZ 590 & 390 Compatible

MZ 790, 990 & RZ 990 Compatible

RZ 1090 & MZ 1090 Compatible

EZ 590, 591, 390 & 391 Compatible

RZ drums are not compatible with EZ, but can be converted with special kit.

MZ 790 can be converted to MZ 1090 with special kit. 

European Models

RZ 570 & 370 Compatible

MZ 770, 970 & RZ 970 Compatible

RZ 1070 & MZ 1070 & ME 9350 Compatible

EZ 570, 591, 390 & 391 Compatible

Korean Models

MZ 970 Compatible

Japanese Models

ME 935 Compatible

Mutual Compatibility

The Z-type drum for MZ-970 is compatible with ME-935, MD-6650.
The E-type drum for ME-935 (except HG Black) is compatible with MZ-970, MD-6650.
The D-type drum for MD-6650 is compatible with ME-935, MZ-970.