Question about Casio HR-100TEPlus Calculator

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I have a Casio HR-100TM. I have an

I have a Casio HR-100TM. I have an "e" on the screen I can't seem to get rid of. I have have looked high and low for my owner's manual and seemed to have lost it. (1) how can I get rid of the "e" on my screen. I've replaced batteries, I've shut off and on , I've hit every button on the calculator; I'm lost. (2) Where can I get another copy of the owner's instruction/manual ? Thank you and I will await your reply.

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Here is a link to the manual. Be sure to check the box that says your not a robot an then download.

Posted on Jul 23, 2017


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Posted on Jan 02, 2017

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SOURCE: how to reset tax % on casio HR-100tm


Press the CA button twice. Then push and hold down the %/set key until the 0 disappeared and reappears. Then type in your tax rate and the percent key (Eg: 8.25%) and then press the TAX+ key. It should save the new tax rate.

Let me know, if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on Feb 04, 2010

SOURCE: Set Tax rate on a Casio HR-100TM

How can I get it to print

Posted on Jun 10, 2008

  • 34 Answers

SOURCE: How do I change ink cartridge on HR-100TM Casio

the G24 ribbon is having 2 round shape casing. u need to take it out from the knob. but be careful when u install a new ribbon, make sure u slot in the ribbon in correct way

Posted on Sep 13, 2009

  • 1 Answer


First, check the batteries, and ensure there is not a paper jam in the printer.
If both are fine, then while the calculator is in the "Print" mode, press the [CA] (or [AC]) button 20 times consecutively to clear out memory buffers. Try some numerical calculations, and if the problem persists, repeat pressing the [CA] button 20 times.
If the problem still persists, then the calculator may require service.

Posted on Mar 01, 2010

  • 23 Answers

SOURCE: Is there an ink cartridge/ribbon to change on the

You need an IR40T Ink Roller

Posted on Mar 26, 2010

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1 Answer

What does the MU/MD key on the Casio HR-100TM do?

Here's how to use the MU/MD key. Say you want your item that COSTS you $120 to be priced such that you end up with a 40% margin. MU'MD calculates the final price to achieve the margin.

Enter: 120 X
Enter: 40 MU'MD
Result: 200.00

Proof: 200 - 120 = 80 / 200 = 40%

Essentially the same as using the COST/ SELL/ MAR keys.

The Casio HR-100Tm manual is pretty pathetic. Expected a better one on their website, but alas.

Jan 03, 2017 | Casio HR-100TM Printing Calculator - 12...

1 Answer

Where can I find a user guide or manual for the Casio HR-100TM calculator?

Couldn't find a manual or user guide. The closest I got were two pages, one with the calculator, and one with the group of calculators that explains some of the functions.

If you have a specific questions, please ask.

Good luck,


Mini printer Compact Type Printing Calculators Calculators CASIO

May 14, 2016 | Casio HR-100TMPlus Calculator

2 Answers

How do I change the print head on HR 100TM casio calculator

You grasp it and then pull as hard as needed to remove it. next, shove the replacement into the space the removal revealed. Easy. huh?

Mar 18, 2016 | Casio HR100TM 2-Color Printing Calculator

1 Answer

I cannot fine a manual or user guide for the Casio HR-100TM Calculator

You can try this site to download a copy, however my McAfee blocked it when I tried to download it??????? You will try this at your own risk!

Feb 23, 2015 | Casio HR 100TM Portable Printing...

1 Answer

Replace ink roll for Casio 100TM

Should just be a matter of lifting up the lid, removing the old roller and replacing it with a new one. That's how mine works.

Oct 10, 2014 | Casio HR-100TM Two-Color Portable Printing...

1 Answer

Casio hr-100tm ink roller

Check to see whether a fragile plastic roller pin or retainer has broken off. Also, a piece may have fallen out when the old roller was removed.

Aug 30, 2012 | Casio "HR-100TM Two-Color Portable...

1 Answer

Where is the subtotal key on the Casio HR-100TM?

The subtotal would be the last item you see on the display.

Despite my best searches I am unable to find a manual. This seems to be an Asian model.

Jan 09, 2011 | Casio HR-100TMPlus Calculator

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