TODO item: Add info on USB printers

[Warren Block]

On Mon, 4 Nov 2013, Juris Kaminskis wrote:

>
>             Thank you for working on this.  The entire printing chapter really needs a rewrite, and I've been meaning to write an outline for what a new printing chapter
>             should cover.  In the meantime, please look at
>             http://www.wonkity.com/~wblock/docs/html/lpdprinting.html and see if it is adequate in the meantime.
> 
> 
> I am not sure I understand what should I do next from this. Can you let me know how can I contribute further?

I've done some preliminary work on a rewrite of the printing chapter. 
Can you look at the article above and see if anything important is left 
out?

Thanks!