Which drums are compatible?

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  • HotHansel
    • Jun 2025

    #1

    Which drums are compatible?

    Hello, I recently came across this spreadsheet showing drum compatibility and thought I'd see if anyone can confirm it's accuracy. I have an old Riso RC 4500 (one of the oldest models from what I can gather!) and looking at this spreadsheet and studying photos to corroborate, I'm thinking I can pick up on of the GR drums readily available on eBay for my RC. From what I can gather, drums are compatible with other machines in which they're grouped by color below:

    Legal Machines - Inkless Cylinders for Color and black Ink
    Model Cylinder Color Cylinder Black
    All RA S-657L S-657L
    All RC S-918L S-918L
    TR1510 S-2100 S-2100
    CR1610 S-2460 S-2460
    All GR S-2763 S-2763
    FR2950 S-2763 N/A
    RN21/22/25 S-3189
    RN2000 S-3190
    A3 Machines - Inkless Cylinders for Color Ink
    Model Cylinder A3 A4 Wide (Short Drum)
    RP37xx S-3534 S-3378
    RP31xx/35xx S-3534 S-3378
    GR3770 S-2806 S-2807
    GR3750 S-2806 S-2807
    GR3710 S-2806 S-2807
    FR3950 S-2806 S-2807
    FR3950a S-2806 S-2807
    Fr3910 S-2806 S-2807
    RC6300 S-824 S-424
    A3 Machines - Inkless Cylinders for Black Ink
    Model Cylinder A3 A4 Wide (Short Drum)
    RP3700/RP3790 S-3372B S-3377
    RP310x/RP350x N/A S-3373
    GR3770 N/A S-2325
    GR3750 S-2806 S-2807
    GR3710 S-2806 S-2807
    FR3950 N/A S-2809
    FR3950a N/A S-2809
    FR3910 N/A S-2809
    RC6300 S-824 S-424
    Any machine with "N/A" A3/Ledger for black will need a drum conversion kit to make a black
    cylinder from an A4 wide black cylinder. Please see technical information or TIB for details


    -Any thoughts or input would be greatly appreciated!
    Thanks
  • gillje
    Trusted Tech

    100+ Posts
    • Nov 2010
    • 143

    #2
    Re: Which drums are compatible?

    You can see which drums are compatible by part # which is the S-# listed beside the model types. For example, under A3 machines you can see that all GR and FR machines use S-806 drums.

    For the RC you want an S-918L drum.

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    • leorebetez
      Junior Member
      • Oct 2019
      • 3

      #3
      Re: Which drums are compatible?

      Hello,
      I have a RC6300 machine and 2 A3 drums are blocked in A4wide mode. Do somebody know how to reset it in A3 mode?
      Thanks!

      Comment

      • Phil B.
        Field Supervisor

        10,000+ Posts
        • Jul 2016
        • 22798

        #4
        Re: Which drums are compatible?

        Originally posted by leorebetez
        Hello,
        I have a RC6300 machine and 2 A3 drums are blocked in A4wide mode. Do somebody know how to reset it in A3 mode? Thanks!
        1) this thread has been dead for 3 years.
        2) not the problem from OP

        Please start your own thread

        Comment

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