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my Mac computer, using High Sierra, has evidently been upgraded to 64 bit capability but my Canon MP Navigator EX 5.0 is only set at 32 bit and when I try to scan a document to the computer, i get an error message that the "App" is not optimized for ...
our canon mx892 will not print due to error U052.  i followed all of the suggested steps for this problem related to an MX700 but it did not correct the problem. now what?