Monroe Heavy-Duty Calculators

Monroe UltimateX

UltimateX Spec Sheet

Monroe 8145X

8145X Spec Sheet

Monroe 8130X

8130X Spec Sheet

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 Cartridge is the first ever Monroe ribbon cartridge that can be used across an entire line of Monroe printing calculator models. The M33X is compatible with all Monroe X Series printing calculators, featuring the highest standards in the calculator industry.

To Install the M33X Ribbon

To Uninstall the M33X Ribbon