[ale] copiers: one more thing to be paranoid about

Geoffrey lists at serioustechnology.com
Tue Apr 20 13:32:00 EDT 2010


Michael Trausch wrote:
> On Tue, 2010-04-20 at 08:13 -0400, Geoffrey wrote:
>> I'm curious about this.  Must be a pretty large drive.  Think about
>> it. 
>> Just last night, someone copied a document for me that I know is at 
>> least 200 pages. Further, why would it be necessary to retain all
>> such 
>> copies?  Certainly it must purge older documents to make room for
>> newer 
>> ones? 
> 
> Yes, though with compression, those documents can compress pretty well.
> I know at least one copy machine that does scan-to-PDF, and it can get
> 50 pages in about 800KiB, depending on the amount of whitespace on the
> page.
> 
> Extending that out and assuming that such numbers are close to the
> average, that would mean that a page works out to about 16KiB, and for a
> 40 GB drive that would mean the ability to store (not counting the
> filesystem overhead and metadata) 2.6 million pages.

I think you're assuming text based documents.   Certainly a lot of folks 
scan images as well.  Certainly they take up more space and color 
certainly that much more.

> 
> 	--- Mike
> 


-- 
Until later, Geoffrey

"I predict future happiness for America if they can prevent
the government from wasting the labors of the people under
the pretense of taking care of them."
- Thomas Jefferson


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