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Copy vs. Scan – Why does a copier have better quality than a scanner?

Question by HeyNowBrownCow: Copy vs. Scan – Why does a copier have better quality than a scanner?
I have noticed that on digitial copiers (either black/white or color) they can turn out good results when making a copy, but if you then take that same machine and scan your document in (such as in 300 dpi) the results are much degraded.

Does a digital copier use a different scanning technology for copies than when scanning to PC?

Best answer:

Answer by Marco – Yahoo
yes different methods –

A fax / scanner converts what it scans into a picture i.e pixels and as a result the quality is reduced drastically.

A digital machine is able to create “pictures” but uses vector images, which are sharper and have better quality.

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Posted by UsedCopiers - September 27, 2012 at 1:22 pm

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Is scanning with a wireless all-in-one slower than with a direct USB connection?

Question by trash1ey: Is scanning with a wireless all-in-one slower than with a direct USB connection?
I bought an hp all-in-one (printer/scanner/fac/copier) and use the ADF to scan a stack of images at a time. I’m scanning at 600dpi and it seems quite slow. I use to use my traditional flatbed scanner, which connected with USB and it seems faster…

So is wireless scanning (where it sends the scans to your pc through the air) slower than if it is connected with the supplied USB cable?

Best answer:

Answer by Ben
The wireless scanner uses 802.11G, which is capable of a maximum of 54Mbps (about 7 Megabytes per second). With wireless, you’ll never quite get that so figure you can get 5 Megabytes per second. A USB 2.0 connection is 486 Mbps, or about 60 Megabytes per second. So yes, USB is much faster.

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Posted by UsedCopiers - August 28, 2012 at 1:31 pm

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Does copying documents on a copy machine take up less ink than printing out the documents?

Question by Slayer XY: Does copying documents on a copy machine take up less ink than printing out the documents?
I have a printer and a copy machine and I’ve written part 1 of my story that I wanted to share with 3 of my friends and get their opinion on the first part of it. I’m just wondering if there’s a way that I can use less ink.

Best answer:

Answer by Robin G
A copier usually uses toner, not ink. It’s generally cheaper because of it’s lower quality. The problem would be if your “copy machine” is your all in one desktop inkjet, which would use the same amount of ink regardless. In the long run, copying has been cheaper in my experience for text.

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Posted by UsedCopiers - July 1, 2012 at 1:46 pm

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