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Open Roads Forum  >  Technology Corner

 > When is a copy not a copy

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Chris Bryant

DeLand, Florida, USA

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Posted: 08/15/13 08:25am Link  |  Quote  |  Print  |  Notify Moderator

The thread on the missing "f"s reminded me of a story I just saw which was troubling- Xerox copiers might alter text and numbers in documents
Quote:

If you think your photocopier is producing exact duplicates of your documents, you might want to double-check — some popular Xerox scanners and photocopiers change text and numbers documents scanned and copied under the "normal" quality setting.


There are a lot of times when this could be very bad.


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the bear II

Torrance CA.

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Posted: 08/15/13 09:11am Link  |  Quote  |  Print  |  Notify Moderator

Based on the way the commercial copiers at work operate, I'm guessing this is happening because the copiers are now using scanning technology rather than copy technology the old copiers used (remember they were originally called photo copiers). Most of the new copiers are copy, scan and fax combination machines. The machine scans the document and then depending on which selection you make will print a copy, scanned document file or fax the document.

In working with scanners, even the most recent ones will once in a while change letters. The colors of the original ink or paper or defects in the paper will confuse the scanning software and it will best guess.

The advantage to copies made by scanning the document and the capability to save it as a digital file as well as print it; allows for changes to a document where the old copies were images and could not be changed.

If the new copiers are using this same scanning technology you can expect errors.

So now-a-days a copy is not a pretty picture, it's a bunch of bytes.

MrWizard

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Posted: 08/15/13 10:36am Link  |  Quote  |  Print  |  Notify Moderator

frist and fore most is the mode used
copy mode is a photo copy
but 'optical code reading' aka conversion to text or pdf , is pre publishing 'coding' mode

if you are using the pc & scanner you have to pay cclose attention to the 'scan' mode and proof read the document

a fax/facsimile is by definition a transmitted photo copy and Not a conversion to another format

but if you 'text scan' it instead of photo copy it,, you might not be sending a correct copy


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Chris Bryant

DeLand, Florida, USA

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Posted: 08/15/13 10:50am Link  |  Quote  |  Print  |  Notify Moderator

MrWizard wrote:

frist and fore most is the mode used
copy mode is a photo copy


That's what I thought- but on those models, copy is not a photo copy- it's a scan and print, instead.

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