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JoeK started a topic MX-C402SC U2-91

in Sharp

06-27-2018, 10:21 PM
MX-C402SC U2-91

We have a customer who currently has a U2-91 error code causing their machine to be down. They had this code a few months ago that ultimately led to us...

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usmjake started a topic [Error Code] U2-91 clearable code

in Sharp

02-02-2016, 05:18 PM
U2-91 clearable code

Hello,

There is a sharp MX-4111N that has once every 9 months or so given a code U2-91 (which has to do with the eprom checksum) We can...

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