Parts & Supplies

These are factory certified replacement paper cutters/tear-off knives for the following Monroe calculators - 5100, 7100, 8100, Classic, Ultimate, and Pro printing calculators. These are perfect for individual users who wish to repair their Monroe...

These are factory certified replacement paper cutters/tear-off knives for the Monroe 3100 and Monroe 4100 printing calculators. These are perfect for individual users who wish to repair their Monroe 3100 or 4100 calculator, or any technicians servicing...

  The Monroe Difference As the inventor of the commercial printing calculator in 1912, Monroe has earned the trust of Fortune 500 companies, non-profit organizations and government agencies, including the likes of NASA...

Monroe Calculator Supply Kit EACH SUPPLY KIT COMES WITH THE FOLLOWING: Six (6) Monroe black/red ribbon cartridges or spools (Monroe M33X, Monroe P65M, Monroe P51S, or Monroe P81M). Twelve (12) 2 ¼” x 150' 20 lb...

Monroe P65M Universal Ribbon Spools Monroe's engineers have developed the best available universal twin-spool ribbons for calculators, the Monroe P65M. The Monroe P65M ribbon has been recognized as the highest-quality ink ribbon on the market for...

12-Pack of Monroe's 2 ¼" x 150' Premium Single-Ply Paper Rolls Experience what the best available calculator paper can offer you. Monroe’s premium single-ply paper rolls are 2 ¼" x 150' in size and are offered on an impressive 20 lb...

Monroe P51S Super Saturated Black/Red Printing Calculator Ribbon Cartridges Avoid the mess of getting ribbon ink on your hands, use Monroe's P51S, a high-quality, easy-to-install calculator ribbon cartridge instead of ribbon spools. Having the...

Monroe P81M Black/Red Calculator Ribbon Cartridges Don't deal with the mess of getting calculator ribbon ink on your hands, use Monroe's high-quality, easy-to-install calculator ribbon cartridge instead of ribbon spools. Having the highest standards in...

Monroe M33X Super Saturated Black/Red Printing Calculator Ribbon Cartridges With Monroe's M33X printing calculator ribbon cartridge you'll never have to worry about a messy installation process ever again! The NEW Monroe M33X Black/Red Ribbon...

Monroe P71M Black/Red Ribbon Cartridges Don't deal with the mess of getting ribbon ink on your hands, use Monroe's P71M, a high-quality, easy-to-install ribbon cartridge instead of ribbon spools. Years back, the P71M was referred to as the Marc 2 or Marc...

These are factory certified replacement paper holders for the Monroe 8130, 8145 and Ultimate printing calculators. These are perfect for individual users who wish to repair their Monroe calculator, or any technicians servicing Monroe calculators who need...