Homebrew PCBs

You can also draw in using a permanent marker, but the green foil does help.

Derek Koonce
DDK Interactive Consulting Services



On 8/31/2011 7:15 AM, arvidj01 wrote:
>
> I am just getting started with home PCB fabrication and am 
> accumulating tools for the toner transfer method.
>
> I have an HP 4250 laser printer and have printed an all black 8.5 x 11 
> page to test the printer. There are several very narrow but well 
> defined white lines that go vertically down the page. The first line 
> is very fine ... barely perceptable ... and starts about 1 inch from 
> the left edge. The second is a little wider and 1.75 inches in, then a 
> little wider at 2.25, the widest one at 3.75, then getting smaller at 
> 5.25.
>
> The widest one is ... best as I can measure ... about .01 of an inch wide.
>
> I suspect this will be an issue so I am wondering if anyone has any 
> suggestions on what I might need to clean or repair to make them go away?
>
> Or maybe the application of the green foil from Pulsar will resolve 
> the issue?
>
> Thanks,
> Arvid
>
>