Question about Sharp Office Equipment & Supplies
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Posted on Jan 02, 2017
Unable to locate a manual for this specific model, but if you go to http://www.sharp.ca/manuals/, you will find one for an EL2630-P, PII, and PIII. The functions are very similar and should give you the detail that you need. Generally there will be a reset button (likely on the bottom of the machine), which often must be pushed in using a ballpoint pen or similar implement, if no other routine clear or reset procedure (such as turning off and back on) is working.
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Posted on Jun 08, 2008
SOURCE: display problem
Hi, I had a similar problem and fixed it. Open the calculator and you will see that the ribbon connecting the LCD to the PCB has white and black stripes. The black stripes are the actual conductors. The white pieces are isolation between the conductors and serve the purpose of glueing the ribbon to the PCB.
Take a small flate screwdriver, its thickness has to be that of the white stripes. Heat up the end of the screwdriver with a hot air gun/lighter/hair blowdryer or whatever. Dont make it too hot. It should only be hot enough to melt the glue holding the ribbon to the PCB. Press the screwdriver on a white stripe and move the screwdriver up and down the white line which is on the PCB. Do this for each white stripe individually. Reheat the screwdirver if necessary, since there are a lot of tracks/stripes to cover.
It may be useful to use two screwdrivers: one to heat the glue of a white section and a second to cool/set the glue so that the ribbon is held in place, instead of coming loose because the glue is too hot. I did it only with one mildly hot screwdriver. It shouldn't be so hot that it actually burns you. You can test the temperature by pressing it against a hot melt glue stick (those used in a glue gun), if it melts the glue (but not too quick) it is hot enough.
It is unlikely that the ribbon came loose from the LCD, but if the previous didn't work you can try doing it on the LCD aswell.
Posted on Oct 26, 2010
SOURCE: Sharp EL-9900 wont start after
when you said it suddenly died, do you means after putting in new batteries,it did not turn on at all? If yes, below are some reasons for this problem;
Check the batter seat. I mean the position where the battery stays, look if you will find any rust of the battery terminal (metal). Rust can prevent the battery from contacting the unit, preventing it from receiving power. Get a flat screw driver, scratch the rust off, fix the battery back in and try again.
If there is no rust, then there is probably some disconnection inside the unit. This can be between the battery terminal and the board. Get a screw driver and remove all the screw. Take the unit apart and check for any lose contact between the battery terminal and the board.
I hope the above makes sense to you.......
Posted on Apr 14, 2011
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