Path: utzoo!utgpu!watmath!clyde!mcdchg!fbog!dbk
From: dbk@fbog.UUCP (Dave B. Kinzer @ Price Rd. GEG)
Newsgroups: comp.sys.amiga
Subject: Re: Paint Jet Printers
Summary: Method of operation
Keywords: Color Printers
Message-ID: <1614@fbog.UUCP>
Date: 10 Dec 88 06:01:15 GMT
References: <2638@ihlpm.ATT.COM> <2424@udccvax1.acs.udel.EDU> <27086@ucbvax.BERKELEY.EDU>
Reply-To: dbk@fbog.UUCP (Dave B. Kinzer @ Price Rd. GEG)
Followup-To: comp.sys.amiga
Distribution: na
Organization: Motorola Microcomputer Division, Tempe, Az.
Lines: 30

In article <27086@ucbvax.BERKELEY.EDU> me128-aw@kepler.Berkeley.EDU (me128 student) writes:
>Never mind the special paper, what about the Ink Cartridges!  
>I too paid $800 for a paintjet responding to an ad in the paper.  Turns out
>it was a "demo" model from HP that was never really used.
>I love the printer, but the ink cartridges contain the piezo print elements
                                                        ^^^^^^^^^^^^^^^^^^^^
[deletions]
>
>I've been trying to refill my cartridges, but with limited success.  I drill
[deletions]
>how to stop the clogging.  The good thing is, of course, that there's nothing
>to lose.  If the nozzles clog permanently, you haven't lost anything.
>
>-Vincent H. Lee

I have a ThinkJet printer (thanks for the printer driver in 1.3!!) with
the same type of disposable print head.  The head works by applying current
through a resistor next to a tiny ink chamber.  This heats the ink until it
vaporizes, forcing the ink in the nozzle to squirt to the page.  HP went
to great lengths (as described in one of their journals) to create an ink
with just the right properties (viscosity, surface tension, condensation
to liquid when the vapor bubble cools, etc.)  It seems unlikely that
an off the shelf ink would be very sucessful here.  Of course, the
Paintjet printer might work in an entirely different manner, but red,
green and blue (and brown) inks are now available for the Thinkjet (sounds
suspicious to me :-) :-)).

|     // You've heard of CATS and DOGS, I'm from GOATS, Dave Kinzer         |
|    //  Gladly Offering All Their Support!             noao!nud!fbog!dbk   |
|  \X/   "My employer's machine, my opinion."           (602) 897-3085      |