On Wed, 03 Mar 2004 12:35:38 -0500, Alan King <alan@...> wrote:
the surface.
this is rather impossible because of two plastic "spacers" on the side of
the nozzles...
so how should they cool the nozzle?
i think the nozzle gets hot any any bad ink hardens.
(also close inspection of a hp head showed that there is only a "gap"
between two electrodes. i could not see a heating element. i think
maybe the ink itself carries the current and heats up.
this would mean also the resistance has to be the same
- but maybe i was seeing it wrong.)
ST
> Steve wrote:I dunno, but i had not the impression that hp bubblejets actually touch
>> --- In Homebrew_PCBs@yahoogroups.com, Alan King <alan@n...> wrote:
>>
>>
>>> The Alps printers are full page, discontinued but plenty of them
>>
>> kicking
>>
>>> around for decal use.
>>
>>
>> Someone already tried. The heads are only designed to print onto paper
>> so they just don't put out enough heat, the copper sucks heat away to
>> quickly.
>
the surface.
this is rather impossible because of two plastic "spacers" on the side of
the nozzles...
so how should they cool the nozzle?
i think the nozzle gets hot any any bad ink hardens.
(also close inspection of a hp head showed that there is only a "gap"
between two electrodes. i could not see a heating element. i think
maybe the ink itself carries the current and heats up.
this would mean also the resistance has to be the same
- but maybe i was seeing it wrong.)
ST