Question about Casio DR-T220 Calculator

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Printing problem my casio calculator hr-150lc would not print. there is a letter e displayed on the upper left side of the screen. need help. thanks.

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  • Anonymous Mar 13, 2014

    Casio HR-150TM Calculator

  • Anonymous Mar 27, 2014

    Looking for an owners manual for a Casio HR-150lc calculator



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Try resetting the calculator. There should be a reset button on the underside of the machine. Press it with a pen and that should clear the E that is on your display.

Posted on Jul 10, 2007


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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,


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May 14, 2016 | Casio HR-100TMPlus Calculator

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How do I get a Casio HR-100TM to print when using batteries? It displays an "e" on the display. It will print when using the adaptor.

It's telling you at least one of the batteries is too weak to print. That's also possibly a power saving feature.

Jan 28, 2015 | Casio HR-100TM Two-Color Portable Printing...

1 Answer

The print option does not work and beside the letter M appears, how do I solve this problem?

Casio - Support > Home > Support > FAQs

CasioWhy do I have problems printing with my thermal printing calculator ... The buttonor switch can control rounding off to a certain number of decimal places. ... When you press the [M/EX] key, it toggles between conversion mode and memory ...... The letterwill appear in bold so that you know it is a hex digit and not a variable.

[PDF]fx-115ES fx-991ES - Support - Casio

Casioplace where it will not get into the hands of small children and accidentally ... leaving the calculator in direct sunlight, near a window, near a heater or anywhere ...

[PDF]GY308 - Support - Casio

Mar 13, 2014 | Casio HR-150TMPlus Calculator

1 Answer

Casio HR-150TER calculator fault -E appears on screen & will not print. Thank you

Casio HR-150TER calculator fault -E appears on screen & will not print. Thank you

Dec 21, 2010 | Casio HS10S Calculator

1 Answer

Casio calculator/printer won't print digits ending in zero

Unfortunately, I found there is no "solution." I called Casio and was told that there is no way to change that format on this model.

Mar 19, 2009 | Casio HR-8TEPlus Calculator

1 Answer

Cant get the % key turned off.

HI..if this is a printing calculator and the print mode is turned...if there is a problem with the printer and E for Error will appear. The ribbon or some paper could be jammed in the printer..a key could be stuck down..check your entire keyboard key for sticking.
The calculator wont hurt itself and that is why the E is on. Examine it very carefully and look for something caught in it.
If none of the above you might have to get a pro to look at it.
Hope this helps you out....

Jan 29, 2008 | Casio HR-100TEPlus Calculator

1 Answer

Change Tax Rate

I found this on the Casio site. I think yours is a printing model. If it is use the 2nd set of instrucitons. Hope it works...

Programming Tax Rate
Non-printing models (also applies to HR-8TE printing calculator):
1. Press [AC]
2. Hold [SET/%] key for about 2 seconds
3. Press [TAX+]
4. Input the tax rate
5. Press [SET/%]

Printing models (except HR-8TE):
1. Have calculator in “print” mode
2. Press [CA]
3. Hold [SET/%] key for about 3 seconds
4. Input the tax rate
5. Press [TAX+]
6. Press [SET/%]

Nov 27, 2007 | Casio HR-150TMPlus Calculator

1 Answer

Casio HR-100TE

The problem of your unit is its printer. Probably the gears has misaligned. Only an authorized technician can align the printer of that unit, because it is a bit difficult to align the gears.

Try to contact the nearest service center of casio in your area.

Oct 13, 2007 | Casio HR-100TEPlus Calculator

3 Answers

How do you set a tax rate?!?!?

1. Switch off the calculator
2. Switch it on again
3. Press and hold the tax button (set %) until the display changes
4. Enter the new tax rate
5. Press the tax button (tax +)

Any problems contact - he emailed the solution to me and it has worked.


Oct 10, 2007 | Casio HR-100TMPlus Calculator

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