Hello Francis,

--- In [email protected], "Francis Bell" 
<[EMAIL PROTECTED]> wrote:
> ...
> - 3rd party inksets ...

Even if medium gray inks can be found you'd have to contend with the 
task of flushing out old ink from the printheads as well as the 
tubings.

> - allowing use of all 7 inks will give you more greys (= less 
> banding, more smoothness), but at the expense of some slight colour 
> cast. Close attention to colour profiling will probably help to 
> control this problem to some extent. You might also decide that 
> certain colour casts, e.g. "warm" or "cool" are OK.

Agreed. I'm not sure if the best color profile will remove color 
crossovers along the grayscale under different lighting conditions.

> - you might find that a RIP gives you more control over B&W printing
> than the HP driver. HP claim that their preferred RIP will produce
> perfectly neutral B&W prints, but I haven't tried it. Info at:
> ...

The RIP I use definitely yields very neutral b/w prints but frequent 
recalibration/relinearization and gray balance adjustments are 
required as the printheads age. Sometimes I have to create a new 
profile to remove color crossovers that ultimately appear. A 
monochrome inkset will be much more forgiving but as you know we 
don't have it for the 130.

Black only printing using a RIP just yields prints that are too 
grainy for my taste.

> - I think if you intend to do serious B&W work on the 130, you will
> need to spend a lot of time getting it just right. I think some
> other posters in this group tried, and gave up, you could search 
> older posts for more info.

--nick



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