Homebrew PCBs

Another alternative is to take a physical measurement of the paper path, and 
re-create the distance of the travel along the straight path. 
Christopher Hart
On Monday 15 May 2006 17:09, Stefan Trethan wrote:
> On Mon, 15 May 2006 22:40:02 +0200, gjm45janssen
>
> <g.janssen@...> wrote:
> > Dear Richard, Stefan,
> > Indeed, I do not see the main problem in the tray tranport at the
> > moment. It is more the timing of the transport which is bothering me.
> > What I mean is the following. When a print command is given with the
> > unmodified printer,  (1) a new page is taken from the paper tray; (2)
> > this page operates a lever switch and the paper roler starts to turn
> > to transport the paper; (3) the paper is printed. If the timing
> > between events is not correct, it is not going to work. For example if
> > I put a page in the modified printer (flat path and paper holder etc.
> > removed) past the lever switch, the paper roller tranports the paper
> > out of the printer. There seems to be a critical timing between (1)
> > and (2). So the synchronization between the command to print a page
> > and the paper roller has to be modified. I don't know how to do that
> > yet.
> > With kind regards,
> > Gerard
>
> You time it before you take the printer apart, and then you use a simple
> analog timer circuit to replicate it, maybe allow for some adjustment to
> tweak it.
>
> ST
>
>
>
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> __________________________________________________________
> Message transport security by GatewayDefender.com
> 5:09:42 PM ET - 5/15/2006