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r
rafat Posted on May 27, 2014
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CALL FOR SERVICE.CODE:U7-00 - Sharp AR-M550U Copier

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Mark Magill

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  • Expert 148 Answers
  • Posted on May 27, 2014
Mark Magill
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Joined: Jul 28, 2008
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According to the error code manual, it means "U7 00 PC/Modem communication trouble" - You can download the entire list of all codes at the link below. It includes your machine specifically. Hope this helps. http://olsonbros.com/sharp/support/pdf_trbl/trbl-arm550n_m550u_m620n_m620u_m700n_m700u.pdf

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To get PUK code please contact your service provider through phone or go directly to their office. They will provide you the PUK code for your mobile. The PUK code is unique for each mobile phone model.so that you can open your phone. When you planning to call your service provider you cannot use your mobile as it is fully locked. Please use some other mobile with same network to call your service provider.

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Call your service provider, they are the only persons who have a PUK code.
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