Are new MZ/RZ drums compatible with older RZ units?

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  • danschmahl
    • May 2025

    #1

    Are new MZ/RZ drums compatible with older RZ units?

    Hi,
    I'm having trouble finding out if the new MZ/RZ drums, the one's that say "Riso Z" with a purple label, are compatible with RZ390 that's drum case says "Riso RZ" with an all white label. Figured they are different but since they are both in the "RZ" family thought there might be a chance they are backwards compatible. If anyone can shed some wisdom on this I'd appreciate it. Thanks!
  • MatthewB

    #2
    Re: Are new MZ/RZ drums compatible with older RZ units?

    Originally posted by danschmahl
    Hi,
    I'm having trouble finding out if the new MZ/RZ drums, the one's that say "Riso Z" with a purple label, are compatible with RZ390 that's drum case says "Riso RZ" with an all white label. Figured they are different but since they are both in the "RZ" family thought there might be a chance they are backwards compatible. If anyone can shed some wisdom on this I'd appreciate it. Thanks!
    Hi,
    Did you ever end up finding the answer to this? I have an MZ770 and an RZ790 which have compatible drums with each other, and I'm looking at an RZ200AW but can't figure out if it's drums will also be compatible.

    Comment

    • MatthewB

      #3
      Re: Are new MZ/RZ drums compatible with older RZ units?

      Originally posted by MatthewB
      Hi,
      Did you ever end up finding the answer to this? I have an MZ770 and an RZ790 which have compatible drums with each other, and I'm looking at an RZ200AW but can't figure out if it's drums will also be compatible.

      And/or does anyone else know?

      Comment

      • jermyth
        Riso dude

        250+ Posts
        • Mar 2011
        • 437

        #4
        Re: Are new MZ/RZ drums compatible with older RZ units?

        Well I can only speak for the US versions but here is what I know:
        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 EZ. Special kit required.
        MZ 790 can be converted to MZ 1090. Special kit required.

        Hope this helps.

        Comment

        • alejandra
          Technician
          • Jan 2014
          • 19

          #5
          Re: Are new MZ/RZ drums compatible with older RZ units?

          What drums, if any, can I use with an EZ 590 (other than the EZ drums)?
          Thanks!

          Comment

          • gillje
            Trusted Tech

            100+ Posts
            • Nov 2010
            • 143

            #6
            Re: Are new MZ/RZ drums compatible with older RZ units?

            Originally posted by jermyth
            EZ 590, 591, 390 & 391 Compatible
            RZ drums are not compatible with EZ, but can be converted EZ. Special kit required.
            Only Great Copiers on ebay has a couple ez 590/390 drums for sale. http://www.ebay.com/usr/greatcopiers

            Comment

            • supermario
              Technician
              • Jan 2014
              • 21

              #7
              Re: Are new MZ/RZ drums compatible with older RZ units?

              Originally posted by jermyth
              Well I can only speak for the US versions but here is what I know:
              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 EZ. Special kit required.
              MZ 790 can be converted to MZ 1090. Special kit required.

              Hope this helps.
              I can translate this to european models

              RZ 570 & 370 Compatible
              MZ 770, 9700 & RZ 970 Compatible
              RZ 1070 & MZ 1070 Compatible
              EZ 570, 591, 390 & 391 Compatible

              RZ 570/370 ---> drum RZ3
              MZ all & RZ970/977/1070 --> drum Z-type

              Comment

              • ldfrepairs
                Trusted Tech

                100+ Posts
                • Oct 2012
                • 148

                #8
                Re: Are new MZ/RZ drums compatible with older RZ units?

                How can I acquire one of these kits
                drugstore-onlinecatalog.com

                Comment

                • onlygreatcopiers
                  Technician
                  • May 2011
                  • 41

                  #9
                  Re: Are new MZ/RZ drums compatible with older RZ units?

                  You can only USE EZ390 and EZ590 drums in an EZ590....not EZ220 drums.

                  We have these kits in stock for the RZ to EZ conversion, but it is not that simple....
                  You must have an RZ machine and an EZ machine to complete the conversion.
                  Without both machines, even with the kit, it won't work.

                  We are the largest supplier of USED RISO drums (over 400 in stock) and spare PARTS (most models) in the U.S.
                  We take drums in on trade and we buy USED and NON-WORKING drums.

                  Let us know if we can help.

                  Lindsey Interdonati
                  President

                  Only Great Copiers
                  Wilmington, NC 28405

                  Comment

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