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Author Topic: Printing 16-bit files from Epson 7800  (Read 3124 times)
tgphoto
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« on: June 29, 2006, 06:15:17 PM »
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Hi Gang,

Is it possible to print in 16-bit mode to an Epson 7800?  If so, does it require a RIP to do it, or can this be done from the standard Epson drivers?

Thanks!

Tim
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Paul Sumi
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« Reply #1 on: June 29, 2006, 06:38:51 PM »
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Not quite what you're asking, but I print 16 bit TIFFs to my 2400 using QImage (which uses Epson's print driver).

Paul
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tgphoto
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« Reply #2 on: June 29, 2006, 06:52:14 PM »
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Well, I read that 16-bit files are essentially converted to 8-bit before they are sent to the printer, something having to do with printers being 8-bit output devices.

Since the new Canon iPF5000 features a 16-bit plugin capable of handling 16-bit files, it got me thinking if this is a feature available in the current Epson lineup, specifically, the 7800, which I own.

If the Epson doesn't handle 16-bit printing, then I should be converting to 8-bit before I print so I don't send such a huge file to the printer (or should I?).

One forum discussion suggested this was also an OS issue, with users claiming Windows can only handle 8-bit files whereas MacOSX can handle 16-bit files.

Guess I'm just looking for a bit of guidance, since the only place I can think of to get these questions answered is the Epson Print Academy, which is sold out unless I want to travel to NYC for a day.

Tim
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digitaldog
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« Reply #3 on: June 30, 2006, 07:47:46 AM »
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The Epson driver only handles 8-bit data. You don't have to convert (Photoshop will do this for you on the fly through Print with Preview). An Epson driven by ImagePrint can and does use 16-bit data path.
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Andrew Rodney
Author “Color Management for Photographers”
http://digitaldog.net/
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