I have a Sharp Elsi Mate EL-334A model caculator and my display is still not working right even after installing a new battery, is it toast? Or, is there something else wrong? This has been a really good calculator and I would hate to have to toss it out. Thanks for your help!
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Easy. Press M- key [has RATE SET] above it. This will shown your current setting say 17.5. Amend to 20.0 and Press M- key again. Rate should now be set at 20%.
Test by entering:
100 and pressing +TAX key - Answer should be 20.
100 and pressing -TAX Key - Answer should be 83.33
Not knowing what to do, I tried anything that could possibly help: I installed fresh batteries and I pushed the reset button on the back of the calculator (Sharp EL-546L) and finally, it work all right after more than 5 years I own the calculator and where it did work correctly for 5 minutes. I tried the reset button in the past (long time ago) and it didn't work. This time it worked because, maybe, I've used fresh batteries. Marcello
Sounds like the printwheels are out of time. Sorta of major repairs. gears on side of printer have to be lined up in proper areas. there are small black arrows on the gears. Best bet is look at a working machine and try to line up. Machine may not be worth the time unless you jsut want to try it. Sharp uses the same printers in many different models.