Homebrew PCBs

Hi,

150+C is definitvely not enough

I have climbed up to 190\ufffdC (peak)

You shoud increase your resistor a bit (7 K ohm)

JP

Le 19/09/2010 20:50, Gokhan Nalbant a \ufffdcrit :
> Hi,
>
> I have GBC H65 laminator, I modified it according to the instructions as
> stated below link.
> http://www.databrite.co.uk/parts/shop.php/modifying-a-gbc-laminator/i_11.html
>
> I replaced the R1 with a 8K2 metal film resistor and as it states the
> temperature should be around 150\ufffdC and that should be sufficient for proper
> toner transfer. I am using 1.5mm/0.06" epoxy cards, they are thick for that
> laminator but a little help just meoves them in to the laminator.
>
> My printer is HP P1005 and although I used several transfer papers including
> the one from Pulsar, I could not succeed transfering the toner. I was
> successful using an iron, it seems that 150\ufffdC is not enough to heat the HP
> toner.
>
> Should I lower the value of the resistor for a higher degree or use another
> printer, such as I have also Xerox 3117?
>
>
> GN
>
> <http://www.databrite.co.uk/parts/shop.php/modifying-a-gbc-laminator/i_11.html>
>
> 2010/9/19 RDHeiliger<rdheiliger@...>
>
>>
>> I have had two of the GBC personal type laminators. They work fine for
>> lower temperature toners. After my old Minolta printer with low temperature
>> toner died, I bought an HP 1006. The temperature of the toner is much
>> higher. I added an external temperature control to the laminator to get the
>> toner to transfer. The resulting problem was that so much heat is
>> transferred out thru the rollers that the plastic side frames melted. The
>> roller bearings melted a slot in the side frames. I don't recommend this
>> laminator.
>>
>> I have since bought a laminator with a metal frame. AL18P. The feed rate on
>> this laminator is much to high, I replaced the motor with a DC gear motor
>> and a cheap variable 6-24 VDC power supply. The temperature control also did
>> not go as high as the spec sheet said it would. The temperature sensor looks
>> to be a glass bead diode. It is mounted on a spring loaded arm that rides on
>> the feed roll. Moving the sensor about 1/4" away from the roll increases the
>> temperature enough to get pretty consistent transfers. I also reduced the
>> spring tension on the rollers to reduce the spreading of the traces. I also
>> had a problem with the connections inside the heating elements. The crimp
>> connections inside the glass tube heating elements got so hot that the
>> copper wires back to the control burned off. I had to stretch the nichrome
>> elements out and make the connections outside of the glass tube. May sound
>> like a lot of hassles but at least the side frames don't melt. It still
>> takes 3 passes thru the laminator to get good transfers.
>>
>> The direct toner methods seem promising, but the need of a separate
>> laminator to do the fusing doesn't give it much of an advantage over just
>> using paper for the transfer.
>>
>> RD
>>
>> [Non-text portions of this message have been removed]
>>
>>
>>
>
> [Non-text portions of this message have been removed]
>
>
>
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