Homebrew PCBs

oops the link didnt work---but the manual is online.





--- In Homebrew_PCBs@yahoogroups.com, "pebo festus" <mebo31@y...> 
wrote:
> stefan-- are you still looking for a manual for a panasonic kx 
p2123?-
> - if so here is a link. i just came by one and it looks promising 
for 
> pcb, has bottem feed streight through.
> 
> 
http://www.support.panasonic.co.uk/sys/ttips/Panasonic/Computer_Produc
> ts/Dot_Matrix_Printers/KX/P2123/B2123.pdf
> 
> 
> 
> 
> 
> --- In Homebrew_PCBs@yahoogroups.com, Stefan Trethan 
> <stefan_trethan@g...> wrote:
> > On Wed, 17 Mar 2004 06:30:15 -0800 (PST), pebo festus 
<mebo31@y...> 
> > wrote:
> > 
> > > with the experence i have had with the II, it will not
> > > work,the the roller feed IMHO is just to sloppy.but
> > > you might find a work around. i have got to get the
> > > right resist through the printer working before going
> > > to the next hurtle.
> > > mebo
> > >
> > >
> > 
> > I would have guessed it does work.
> > there is a optical sensor for the paper edge in hp printers, one
> > would expect epson to use a similar system.
> > 
> > then you only need to adjust the other distance, which would be 
> much easier
> > with a real "table" for the pcb.
> > (e.g. a pig plate that is moved by the rollers)
> > 
> > even with a piece of paper it is hard to print on the same spot 
> twice,
> > but i think it would work properly if you make a flat carriage on 
a 
> rail
> > in the center, just let the carriage rest on the drive roller.... 
> (use
> > small pressure wheels on the side to keep contact to the rollers)
> > for a rail one could use a drawer slide, or simply a piece of 
steel 
> and
> > a brass bracket soldered/glued to the underside of the pcb which 
> forms the 
> > carriage.
> > 
> > 
> > i do think the printer starts to print a exact number of steps 
> after the 
> > optical
> > sensor contact and a exact distance away from the border.
> > It is just a question of putting the pcb in the right place.
> > 
> > ST