Monroe 122PDX 12-Digit Medium-Duty Accounting Printing Calculator With Fast Printing

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8.00 (in)
2.50 (in)
11.00 (in)

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  • Front view of Monroe 122PDX Ivory Printer Calculator/Adding Machine
  • Left side view of Monroe 122PDX Ivory Printer Calculator/Adding Machine
  • Right side view of Monroe 122PDX Ivory Printer Calculator/Adding Machine
  • Back side view of Monroe 122PDX Ivory Printer Calculator/Adding Machine
  • Quantitiy Twelve 20lb. Bond Paper Rolls to be used in the 122pdx printing calculator.
  • Side view of the Monroe MW01 foam wedge. This is used to elevate the calculator for better viewing, as well as prevent damage from potential spills.


Monroe 122PDX Medium-Duty Calculator

Monroe's top-of-the-line medium-duty calculator, the Monroe 122PDX, has been designed to outlast and outperform all competing models. This model is simply known for its dependability, which makes it a favorite among banks and credit unions. Its large 12-digit display and professional sized keyboard with oversized plus/minus keys make it a dependable tool for users. The Monroe 122PDX features our newly updated printer which, for the first time in Monroe history, is compatible with universal supplies such as the Monroe P65M ribbon spools, Monroe M33X ribbon cartridges and our signature 20 lb. paper tape rolls.

Key Features

  • Print speed of 4.3 lines per second
  • Large 12-digit display with 12.5mm digit height
  • Cupped numeric keypad with a layout similar to heavy-duty models
  • Equipped with a 4-key independent memory
  • Non-add/date function allows you to print a reference number or date
  • Standard 5/4 rounding, round up, or truncate options
  • 4-key independent memories that will allow users to simultaneously run multiple math problems, all while having the ability to store their respective tax rates
  • Item count feature allows you to confirm the number of entries in each calculation
  • An input buffer allows users to make entries even while printing previous lines of figures
  • A two-key rollover feature lets you work quickly while ensuring every keystroke is recorded

*The Monroe 122PDX commonly replaces Canon MP25DV, Casio DR-270TM, Victor 2640-2 Two-color, and Victor 1260-3 Two-Color. 


Click here to view the product manual.

Recommended Supplies and Accessories

2 ¼” x 150′ Paper Rolls -- Universal premium 20lb single-ply paper rolls for calculators
Monroe M33X Ribbons -- Ribbon cartridge compatible with all Monroe X Series printing calculators
Small Elevation Wedge -- Foam wedge designed to elevate medium-duty calculators
Calculator Supply Kit -- Starter supplies kit for Monroe calculators with ribbons & paper rolls

122PDX Specifications:

Calculator Type:
Desktop print/display
Truncate, 5/4 Round Off, Round Up
12-digit print/display
Yes, automatic
Product Dimensions:
11.00 x 8.00 x 2.77 in
Yes, with %+ and %- capability
4.50 lbs
Print Speed:
4.3 lines per second
Grand Total:
Display Type/Color:
Fluorescent, green
Item Count:
Yes, intelligent item count, automatic averaging
Inking System:
Black/red ribbon cartridge or spools
Yes, changes the sign of an entered amount
10 key numeric pad, 00 and decimal point
Percent Change:
Yes, computes amount and % of change
Decimal Settings:
=, F, 0, 2, 3, 4
Non-Add/Date Function:
Yes, print entered reference number or date
Square Root:
One (1) 4-Key Independent
Change Sign:
Yes, changes the sign of an entered amount
115Volts 0.2Amps 60HZ    

Prasch, Key Accounts Manager & National Casino Specialist at Monroe on the 122PDX:   


1. What are some of the common jobs that customers use the 122PDX for?
Our 122PDX is popular with our customers who perform a good amount of accounting-style work, but are also very limited on desk space. 

2. What's something people should know about the 122PDX? Why should they choose this Monroe calculator over another machine?
The 122PDX is our fastest printing and most simple, functionality-wise, medium-duty machine on the market today.  

3. What’s some positive feedback you have heard from customers about the 122PDX?
Customers like the 4.3 lps print speed, wider Plus and Minus keys, and simplistic functionality of the 122PDX and how these features allow for a more efficient and less complicated calculator experience. 

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Warranty Information

Lifetime phone support, 6-month parts & service.
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Additional Information

12-digit print/display
Product Dimensions:
11.00 x 8.00 x 2.77 in
Print Speed:
4.3 lines per second
Decimal Settings:
=, F, 0, 2, 3, 4
One (1) 4-Key Independent
Yes, changes the sign of an entered amount
Additional Specifications:
See Below
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1 Review

  • 5

    Posted by Lita on Mar 15th 2019

    Love my new calculator. You can see the totals on the paper tape and the display seems larger and easier to read.

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