Replacement Parts

These are brand new replacement paper roll covers for the Monroe 8125 calculator. These will help prevent dust from accumulating on the paper roll, which can otherwise be pulled into your printer and cause damage overtime. Limited supply available.

These are brand new replacement paper roll covers for the Monroe 8125 calculator. These will help prevent dust from accumulating on the paper roll, which can otherwise be pulled into your printer and cause damage overtime. Limited supply available.

These are electronic slide switches for turning electrical circuits on and off. There are 275 switches total in the set. Each switch has 6 pins and can toggle between two positions. These are perfect for individual users who wish to repair their Monroe...

These are brand new replacement covers for the Monroe 8125 calculator. Place over top of calculator when not in use. This will help prevent dust from accumulating, which can otherwise damage your printer. Limited supply available.

These are brand new replacement keyboards for the Monroe 4130 printing calculator. These are perfect for individual users who wish to repair their Monroe calculator, or any technicians servicing Monroe calculators who need extra parts. Limited supply...

These are brand new replacement 25 pin circuit boards for the Monroe 3190 printing calculator. These are perfect for individual users who wish to repair their Monroe calculator, or any technicians servicing Monroe calculators who need extra parts...

These are brand new replacement logic boards with displays for the Monroe 4130 printing calculator. These are perfect for individual users who wish to repair their Monroe calculator, or any technicians servicing Monroe calculators who need extra parts...

These are brand new replacement discs for the Monroe 3140 and 4130 printing calculators. These are perfect for individual users who wish to repair their Monroe calculator, or any technicians servicing Monroe calculators who need extra parts. Limited...

This is a brand new replacement printer cover with tear-off knife for Monroe 3100 series printing calculators. These are perfect for individual users who wish to repair their Monroe calculator, or any technicians servicing Monroe calculators who need...

These are brand new replacement covers for medium-duty Monroe calculators. Place over top of calculator when not in use. This will help prevent dust from accumulating, which can otherwise damage your printer. Limited supply available.

These are brand new replacement covers for heavy-duty Monroe calculators. Place over top of calculator when not in use. This will help prevent dust from accumulating, which can otherwise damage your printer. Limited supply available.

These are brand new replacement paper spindles for Monroe 3100 and Monroe 4100 series printing calculators. These are perfect for individual users who wish to repair their Monroe calculator, or any technicians servicing Monroe calculators who need extra...