name/model of HP portable printer? (not HP 2225x) circa 1993

Fred Cisin cisin at
Fri Mar 12 21:43:12 CST 2021

ABSOLUTELY no promises.

Next week, I will be going where I think that I remember seeing a box with 
one or more of them.  At one time, I had several, including ONE paper 
feeder, and MAYBE a battery.  Recently, I did see the cartridge "humidor"!
I think that all of mine were "Centronics" parallel interface.

If it is NOT where I think that I remember seeing it, there are several on 

There was one model of the thinkjet that used the same ink cartridge as 
the Kodak/Diconix. (51604) THIS DOES NOT.  The 51608A and 51604 are VERY 

Grumpy Ol' Fred     		cisin at

On Fri, 12 Mar 2021, Stan Sieler wrote:

> Fred tempts me from the garden: "does that mean you want one?"  It's only
> one ... it's easy ... try it ....
> Argh...I was hoping I wouldn't be asked that, because I couldn't decide.
> ... ... ok...
> I think I'd be interested in having one that would work with an Omnibook
> (but have no interest in the paper feeder).
> (I knew the feeder existed, but haven't seen one.)
> If the 51608A (cartridge used by the printer) is the same as the ones used
> in the old ThinkJets, it looks like some people might be selling "new"
> ones, but it would probably be a good idea to have a couple to try
> cleaning/refilling just in case.
> As a history nod: the late Carson Kan of HP Labs was the one who suggested
> that the inkhead be a disposable & user replaceable item ... at the time,
> the inkjet project was stuck and Barney Oliver sent him to it as his
> trouble shooter.  (It was stuck because the non-replaceable printhead kept
> getting ink clogs.)
> (As related to me by Carson, about 2005.)
> thanks,
> Stan
> On Fri, Mar 12, 2021 at 6:58 PM Fred Cisin <cisin at> wrote:
>> Does that mean that you WANT one?  (or more)
>> There were several slightly varying models.
>> There was a detachable paper feed bracket, that is rarely with it.
>> Do you want some OLD cartridges (to clean out and try to refill?)

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