On Tue, 2010-02-09 at 14:07 -0500, Ken Schneider - openSUSE wrote:
On 02/09/2010 01:40 PM, M. Fioretti pecked at the keyboard and wrote:
On Tue, Feb 09, 2010 16:37:36 PM +0000, Tejas Guruswamy (masterpatricko@gmail.com) wrote:
The reason this seems strange is that there is nothing to differentiate HP photo paper from other photo paper. If it physically fits in the tray (and is flexible like paper, and has approximately the right surface), I cannot see any way that a printer can detect its brand. If HP had invented a way to brand their paper invisibly I'm sure more people would know about this ...
From: http://h10010.www1.hp.com/wwpc/us/en/sm/WF05a/18972-18972-236251-14438-33280...
[HP Deskjet 6940 Printer] "Media sensor detects paper type and automatically sets print quality to ensure optimal results"
So it does seem possible (especially when the same company makes both the sensor and the paper).
Marco
It says "paper type" _not_ manufacturer. Unless some new technology has been developed I doubt that the manufacturer of the paper can be detected and if it has people will start screaming anti-trust quicker than you can blink your eye.
Perhaps their machines are preloaded with the brilliance ranges of HP Paper and stuff falling outside those ranges get's kicked down a notch in quality?
Didn't Lexmark lose a case where they required that only their brand of toner or ink could be used in their printers?
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