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Digital BW, The Print

Index last updated: 2026-04-28 22:56 UTC

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Re: [Digital BW] 16 bit greyscale / Ultrachrome / QTR

2005-03-17 by John Vitollo

Actually you are both right. But Ray lets be nice here and have respect for people. Scott 
was referring to information sent to the Epson print driver is converted to 8-bit..even if 
the file is 16-bit. Sure if you want to break it down to minutiae...yeah one-bit is sent to 
the each nozzle to fire it or not...sheesh!


> > 
> > Actually all the Epson printers, and probably the other brands, use
> 8 bit for printing so it 
> > makes no difference.  If 16 bit goes to the printer it converts it
> to 8 bit.  
> > 
> > I suppose it is possible that the conversion method varies slightly
> between the printer and 
> > PS? but wouldn't think so.
> > 
> > Scott
> >-
-- In DigitalBlackandWhiteThePrint@yahoogroups.com, "ray_maxwell2000" 
<rmaxwell@d...> wrote:
> Actually you are wrong.
> 
> The data sent to the printer head is not eight bits.  It is only one
> bit.  It tells the printer to print a dot or not print a dot.  Some
> RIPs that send this data to the print head do indeed use 12 bits
> internally.  In some printers you can choose from three dot sizes
> which requires 2 bits.
> 
> Please know the facts, before posting.
> 
> Thank you,
> 
> Ray

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