Search found 96 matches

by Wonko
Tue May 10, 2016 9:51 pm
Forum: 3DP printing
Topic: Hacking the Xaar 128 printhead
Replies: 320
Views: 190306

Re: Hacking the Xaar 128 printhead

Ink just comes through a 3mm hose from a tank that should sit a few cm below the head. It does not seem to be too critical. But for many inks, the printhead should probably be flushed if not used for a while. White UV ink can not remain in the head for more than 8 hours supposedly! One article claim...
by Wonko
Mon May 09, 2016 11:08 pm
Forum: 3DP printing
Topic: Hacking the Xaar 128 printhead
Replies: 320
Views: 190306

Re: Hacking the Xaar 128 printhead

I have not found anything about conductive ink, neither yes or no, but read several times that "only Epson can do that". I am not sure and I have not tried yet. The setup is pretty fragile. I did try solvent based ink and it worked very well. Ordering some UV curable ink for China right now to creat...
by Wonko
Sat May 07, 2016 6:16 pm
Forum: 3DP printing
Topic: Hacking the Xaar 128 printhead
Replies: 320
Views: 190306

Hacking the Xaar 128 printhead

Well, since we all have spent so much time on stupid print heads, I have decided to reverse engineer the protocol of an industrial printhead. Sure, it's 200 Euros for a single head in a single color at only 200 dpi, but these babies are industrial strength, giving them supposedly a much longer life ...
by Wonko
Sun Mar 06, 2016 5:02 pm
Forum: 3DP printing
Topic: Ithaca POSJet 1500
Replies: 11
Views: 17354

Re: Ithaca POSJet 1500

Not bad for Python in general ;-)

No, seriously, great job. Did you make roll own electronics? Or is this with some included interface?
by Wonko
Wed Feb 10, 2016 8:53 am
Forum: 3DP printing
Topic: Hacking the HP45
Replies: 608
Views: 408289

Re: Hacking the HP45

I use these to drive a 6x6 matrix, but using SPI may be a bit slow for a printhead:

http://www.farnell.com/datasheets/1793976.pdf
by Wonko
Sat Aug 15, 2015 8:14 pm
Forum: Ytec3D forum
Topic: I am back...
Replies: 1
Views: 7208

I am back...

...in the new forum.