Homebrew PCBs

hi,
  is this epson printer you use modified like the
instructions say for the C84 model? thanks

Ken

--- wnnelson0 <wnnelson@...> wrote:

> I have completed a test board which I took pictures
> of and posted in 
> the photos section under C88 Test PCB. I think the
> biggest step to 
> getting a good ink transfer was preheating the PCB
> before printing. I 
> used a small heat gun my wife uses for stamping. I
> warmed it up to 
> about 75C. With the heating I did not get any
> pooling of the ink 
> which I had before. I believe Stephan was saying he
> had pooling too. 
> I think this must allow some of the ink to dry
> before more is put on 
> top.  What time of the year was Volkan printing
> maybe the boards were 
> warmer to start with (summer)? Printing in black but
> with all carts 
> magenta (EPSON TO603)works great. I get a very good
> layer of ink. 
> After etching the ink still looks the same. It will
> not come off with 
> a casual wipe with acetone but will mostly come off
> with continued 
> scrubing with acetone. The curing is almost the same
> as Stephans. I 
> am giving it a little more heat 240C to 245C and a
> little more time 5 
> minutes than I did in the photos.  I have given it
> up to 20 minutes 
> of time and it still worked fine but the epoxy was
> getting very 
> brown. All the traces were very good with no breaks
> down to what 
> Eagle says is .001 in. on the PCB. I'm not sure if
> the Epson is 
> really printing that small as it is hard to measure.
> The photos are 
> not as good as I would have liked but the light
> meter was not working 
> in the camera and it was hard to get good light on
> the board when the 
> macro lens was so close. I beleive that this is a
> very good start for 
> me and I will have pictures of completed boards in
> the future. I will 
> also post some pictures of the printer but it is
> very much like 
> Stephans. The C88 appears to be the same as as a C84
> 
> 



 
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