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I work at a school where we often need to copy (xerox) short excerpts from books for the students (its all out of copyright). Some of the teachers are not careful to cut off the black strip resulting from copying a book before making all the copies, which means we print off about 600 sq. in. of solid black for no reason.

Is there any way to calculate how much that costs us? I was thinking we could figure out the percentage of a standard that is covered by ink (I have no idea how to do this), and then use manufacturer information on total pages per toner cartridge to calculate the actual cost. Any ideas?

We're using an HP MF2727 for the copies.

Hennes
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just.another.programmer
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1 Answers1

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Most printer manufacturers state how many sheets can be printed with one toner cartridge. Given that this is calculated with an average 5% "black" on the page, you could divide the pages-per-toner spec by 20 to get the price if you printed only black. Now figure out how much black is actually on the pages you print, and take it from there.

Torben Gundtofte-Bruun
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