Homebrew PCBs

Hi
did anybody face problems while printing layouts on transparent 
paper using HP Deskjets ?
mine isn't doing a good job. the printing is very poor

You can't use a DeskJet that is a inkjet printer. You have to use a laser or
copier that has toner in it. Inkjet is liquid and toner is a powder which
uses a heat process to bond.
Derek

-----Original Message-----
From: sr14e


Hi
did anybody face problems while printing layouts on transparent
paper using HP Deskjets ?
mine isn't doing a good job. the printing is very poor


-----

I don't think he's doing toner transfer, I think he's trying to
make a BW photomask.

I have never been impressed with HP's inkjet printers.

I have heard people say they print on two transparencies and stack
them to get a darker black for photoetch masks. I've also heard of
people using fairly transparent parchment paper instead of
transparencies, print mirror image and place image side down on the
sensitized copper board.

Steve Greenfield

--- High Tech <hightechsystems@...> wrote:
> You can't use a DeskJet that is a inkjet printer. You have to use
> a laser or
> copier that has toner in it. Inkjet is liquid and toner is a
> powder which
> uses a heat process to bond.
> Derek
> 
> 
> -----Original Message-----
> From: sr14e
> 
> 
> Hi
> did anybody face problems while printing layouts on transparent
> paper using HP Deskjets ?
> mine isn't doing a good job. the printing is very poor
> 
>

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The best inkjets are epson stylus colour (in black mode)
because they have the best transparencies.

Steve Greenfield wrote:

> 
> I don't think he's doing toner transfer, I think he's trying to
> make a BW photomask.
> 
> I have never been impressed with HP's inkjet printers.
> 
> I have heard people say they print on two transparencies and stack
> them to get a darker black for photoetch masks. I've also heard of
> people using fairly transparent parchment paper instead of
> transparencies, print mirror image and place image side down on the
> sensitized copper board.
> 
> Steve Greenfield
> 
> --- High Tech <hightechsystems@...> wrote:
> > You can't use a DeskJet that is a inkjet printer. You have to use
> > a laser or
> > copier that has toner in it. Inkjet is liquid and toner is a
> > powder which
> > uses a heat process to bond.
> > Derek

Well, quality of an inkjet photomask can vary a lot depending on the ink 
and how is reacts with the receptive coating. As russell pointed out 
Epson ink and epson transparencies work brilliantly. All of the HP 
inkjets with HP transparencies I've seen give poor results (lots of 
micro holes and even some banding !!). Epson transparency with HP ink is 
equally poor. HP transparencies with Epson printer give barely 
acceptable photomasks but only on print settings 1440dpi more/photo 
paper, where maxium amount of ink is printed. A friend just bought one 
of the new cannon inkjet printers which I think uses dye based black 
inks just like the Epson. I've only seen the results on glossy 
photopaper, but the artwork is extremely dense and solid. I'm going to 
try it with various brands of transparencies and see what I get. The 
Cannon is cheaper to run (bigger ink storage) than the Epson.

Adam


sr14e wrote:

>Hi
>did anybody face problems while printing layouts on transparent 
>paper using HP Deskjets ?
>mine isn't doing a good job. the printing is very poor 
>
>
>
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[Non-text portions of this message have been removed]

Just wondering if anyone has run across something on building a small
dip soldering setup.

Someone (I thought it was on this list) mentioned they had seen a small
setup that was more or less a set of rails running through a solder pot.
The board to be was put on the rails or angle and simply pushed through
the solder by hand.

Anyway just wondering if anyone has run across info on how to do this or
what to watch out for when doing this.

Tnx

Dave