Re: 3d printer project

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Graham Stabler"
<grezmos@...> wrote:

>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "afogassa" <afogassa@>

wrote:

>
> > This way I should not need to make the motors on the printer

itself

> > reverse direction, nor should i make any major changes to the
> > printer electronics.
> >
> > What you Guys think ?
> >
>
> I have not seen the lexmarks but on the HP and the epson printers

the

> paper feed motor acts in the reverse direction to pick up the

paper,

> if it turns a long way you may need a very long gantry. Also does

it

> have a a head cleaning bay? Basically you must determine what else
> the paper feed motor does apart from feed paper.
>
> In terms of returning the gantry with a separate motor, well this

may

> be possible but it does rather depend on how the original motor is
> driving the gantry in the forwards direction, it may not like to be
> back driven.
>
> By sending the pc a busy signal I assume you mean via the door open
> switch or something like that? The alternative is a delay between
> prints, this is what Roger's software will be able to do.
>
> I think you will just have to try at the end of the day and see

how it

> goes.
>
> Graham
>

I've not seen Rogers program yet, it would be a great help if he
post it to the file section.
yes it has a parking bay, I'lltake another look to see if the
motor reverses when paper feeding.
The canned cycle for reloading the powder will have it's own
sliding shaft and motor and the printer will travel on top of it ,
or in front of it still have to figure it out.