Digital BW, The Print

In a message dated 6/9/07 9:26:34 AM, oksen@... writes:


> I gather your analogy is to say that the 1800 is very poor in making BW,
> which, unfortunately, I have to agree to.
> 
Right, its just lacking in hardware features for good B&W...

>  However, if I understand correct,
> you claim that your product PFP can make neutral gray prints from the 1800,
> 
It can't work magic. It can improve neutrality from most printers, but an RGB 
profile can't effect metamerism, so the prints will still jump around in tone 
under different light sources.

> so why can’t Epson make a suitable print mode, driver or profile?
> 
Well, just for overall perspective, Epson does not have a history of going 
back and adding new features to older printer models at the driver level. It as 
only, in my memory, happened once, when the metamerism on the 2000p was so 
bad, they wrote a new driver version that changed the black generation so prints 
were more grainy, but less variable. In dozens of other cases where it might, 
perhaps, have been possible to add new features from newer models, or 
simplifed versions of them, back into older model drivers, it has not happened. Epson 
is in the business of adding new features to new printers that make you want 
to buy these new models. Retrofitting would not make sense in that business 
model. Besides, in most cases it would not actually work, or not very well.

>  Anyway, I
> hope that the PFP can make neutral BW prints from the 1800, as I have just
> ordered one…
> 
> Neutral under any single light source... since the grays are built from color 
inks, change the light source, change the graytints. Nothing at the profile 
level can alter that. Printer models without two levels of gray (not including 
blacks!) are not able to print consistant grays (ones that remain neutral 
looking under a wide range of light sources) without changing to a thirdparty gray 
ink set.

C. David Tobie
Product Technology Manager
ColorVision Business Division
DataColor Inc.
CDTobie@...
www.colorvision.com


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