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Archive 2009 · Microprinting surprise on test print

  
 
Beowulfenator
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p.2 #1 · Microprinting surprise on test print


skid00skid00 wrote:
I wonder if mfrs go to extra effort to avoid overlay in lasers because the toner would get too thick?


I believe it's not because the toner would get too thick, but because it's useless. With toner being solid and non-transparent, what's the point of having one toner on top of another? What I'm saying is that even if some toner happens to get on top of another it's because of a positioning error (which could very well be within allowed tolerance, though).



Jan 08, 2010 at 04:43 AM
HerbChong
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p.2 #2 · Microprinting surprise on test print


FWIW, the last time i checked the device driver ESC-2 documentation, all Epson printers still are addressable in 360ppi as their maximum resolution. i know that there are tricks to send and print at higher resolutions but all standard applications go through the regular device driver interface. when they do, it is the printer firmware that is making the decision on changing a 360ppi pixel into a pattern and sizes of ink droplets.

Herb...

skid00skid00 wrote:
At 300 pixels per inch, there -could- be up to about 95 ink droplets sprayed into a 'pixel' at the 5760 x 1440 dpi of ink droplet resolution setting of my Epson.




Jan 08, 2010 at 01:27 PM
skid00skid00
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p.2 #3 · Microprinting surprise on test print


HerbChong wrote:
FWIW, the last time i checked the device driver ESC-2 documentation, all Epson printers still are addressable in 360ppi as their maximum resolution. i know that there are tricks to send and print at higher resolutions but all standard applications go through the regular device driver interface. when they do, it is the printer firmware that is making the decision on changing a 360ppi pixel into a pattern and sizes of ink droplets.

Herb...



Hmmm, I've seen this discussed before, but don't recall the details. I *am* sure that there's a visible difference (it looks *better*) at higher ppi. I've tested up to 1200 ppi. I guess that's the bottom line for me. (Well-it would be, if I had a gigapixel camera! )



Jan 08, 2010 at 11:37 PM
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