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Subject: Re: [Homebrew_PCBs] Trouble producting transfers

From: "Chuck Kelsey" <wb2edv@...>
Date: 2008-02-11

Upon retrying, the toner stuck better with additional board cleaning.
However, I still had some not adhere.

Not sure what the flash fusing would do. If the traces are missing, all I
can try is adding them back with a Sharpie. Or do you mean doing it before
removing the paper?

As far as temperature, after several passes, you certainly don't want to
hang on to the board very long, but I suppose it still might not be hot
enough.

The printer certainly isn't new. They quit selling them several years ago.
I'd be surprised if the toner for it has been reformulated.

Chuck
WB2EDV



----- Original Message -----
From: "Myc Holmes" <mycroft2152y@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Sunday, February 10, 2008 8:17 PM
Subject: Re: [Homebrew_PCBs] Trouble producting transfers


> It is possible that you do have a temperature problem.
>
> Laminators without separate temperature control sometimes do not get hot
> enough to fully melt the toner. Also, some of the new toner formulations
> require a lot higher temperature to fuse correctly.
>
> I've never tried, your combination of toner and laminator, so let's hope
> it
> is just a matter of cleaning the copper properly.
>
> d\Definitely try the "flash fusing" with a hair dryer about 1/4" above the
> pcb.
>
> Myc
>
>
> On Feb 10, 2008 5:36 PM, Chuck Kelsey <wb2edv@...> wrote:
>
>> Thanks for the response.
>>
>> My hunch was that it may have been a board cleanliness issue. I'll try
>> the
>>
>> alcohol and have a can of acetone. I've also been real careful to handle
>> everything along the edges so as to not leave fingerprints on either the
>> surfaces of the board or the transfer paper.
>>
>> I can't believe that the laminator isn't hot enough. The board gets
>> pretty
>>
>> darn hot after it goes through. I also don't waste time re-running it
>> through.
>>
>> I'm open to other suggestions if anyone has any.
>>
>> Chuck
>> WB2EDV
>>
>> ----- Original Message -----
>> From: "Myc Holmes" <mycroft2152y@... <mycroft2152y%40gmail.com>>
>> To: <Homebrew_PCBs@yahoogroups.com <Homebrew_PCBs%40yahoogroups.com>>
>> Sent: Sunday, February 10, 2008 5:19 PM
>> Subject: Re: [Homebrew_PCBs] Trouble producting transfers
>>
>> > Sometimes the paper towels will have procesing oils on them.
>> > Try a final rinse with ispropanol (rubbing) alcohol or acetone and let
>> air
>> > dry.
>> >
>> > DO NOT use nail polish remover as it contains cosmetic oils.
>> >
>> > Also, after the paper has ben removed, you might try rerunning the pcb
>> > through the laminator with the release backing from a laser label, or
>> > "flash
>> > fuse" the toner it with a hair dryer.
>> >
>> > Mycroft2152
>> >
>> >
>>
>>
>>
>
>
> [Non-text portions of this message have been removed]
>
>
>
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