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
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