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Generic problem for all Shredders

My techko SH 3112Fa won't turn off




By savannah320 on Oct 11, 2007

" "
It keeps running even when empty and won't turn off unless I unplug it
Comments:

Nov 25, 2007

- I have tried and tried to clean out the shredder, but still am having no luck shutting it off. I appreciate your help and have changed the rating, but it really did not help. I knew what the probem was, but can't figure out how to fix it.
Thanks anyway.

Same Problem

Dec 17, 2007

-   yes im having the same problem-   tpaskes

Dec 05, 2007

-   The plastic paper guide is broken.Therefore, the paper continues to wrap around the blades.

Were can I obtain a new cover?-   Guest

Nov 30, 2007

-   I, too, am having a problem with the shredder not turning off.  I took the cover off and cleaned the unit completely.  Still runs continuously.  Solution?-   Guest

Nov 11, 2007

-   I cleaned the shredder and it still won't shut off...-   Guest

Best Solution

posted on Jan 16, 2008
Very Helpful)

martinuk777

Rank: Apprentice 
Rating: 100%, 1 votes
I had the same problem with my Shredded. In the centre of the paper feed slot is a little sensor that detects when you put paper in, it breaks some sort of light beam that is connected to the motor circuit.

Over time paper dust gathers on this sensor, covering it completely and fooling the machine to think that there is ALWAYS a piece of paper being fed into the shredder, the result being that the motor just runs continuously.

Clear the dust from this sensor and you'll fix this particular problem - a toothbrush worked great for me - don't use it to clean your teeth afterwards :-)

FIXYA!!!
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Solution #2

posted on Oct 12, 2007
Somewhat Helpful)

24 seven

Rank: Wiz 
Rating: 82%, 1406 votes
the paper feed unit must be cleaned of all paper pieces that have lodged inside. some pieces are making the paper detect switch send a false signal to motor.
Comments:

Nov 22, 2007

- hey savannah,
why did you rate me as inappropriate? What's up with that? At the very least it should be "thanks for trying"....you CAN CHANGE IT to "thanks for trying", you ARE allowed to...I really am upset with this...

Nov 22, 2007

- look, the switch is stuck, one way or another...it must be UNSTUCKED!

Nov 23, 2007

- hello...anyone there?
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Solution #3

posted on Apr 17, 2009
Not Rated)

jworfolk

Rank: Apprentice 
Rating: 90%, 1 votes
If the machine has auto-detection, then the sensors in the paper throat are probably dirty with paper dust. With the sensors blocked, the machine thinks there is paper in the throat so it will continue to run.
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