DocStein99:
I have to sort through alot of stuff to find who made the copier, and do not remember any of them have the copier info on it.
There are a bunch of these front reflective mirrors angled 45 degrees to position light down into the developing chamber. There is also a green filter of some type.
2 linear x,y slides positioned a good sized lens. There were high voltage wires that also lead up to some type of sealed halogen or other long slender glass tube bulbs. The image was illuminated, magnified, and bounced off these mirrors into the developer.
The amazing thing is, it was able to develop the image on photo sensitive magnetic material. The magnetized image spun on a dry bed of toner, picked up only on magnetized reagons. Then transfer it to one or many other paper sheets, which were sealed by a spinning hot iron/plastic fuser roller. All this is done within 1 second, probably many times a second.
I can't even begin to explain how many auger and brush conveyor assemblies the machine had to handle the toner. Pulled it out of a drum and carried in every direction.
There was also an aluminum roller, with magnets inside of a steel shaft inside of the aluminum exterior. The inside magnet shaft rotates internally. This awesome device actually carried the toner around the outside of it, without making any friction to convey onto the cleaned photo drum.
It had a full color touch screen LCD interface, so it is not older than 1900 technology. I tried to trace how to interface the pins. Cery few google search results, so I packed the distraction away on the shelf.
I understand mostly how this process works, except the specifics photo magnetic operation. I know it is a lot of chemistry and physics involved. I see now I have to study more on that mystery.
They use colored toner in powder coating, which is also magnetic fused with heat. But the only way now they have, is spraying entire magnetic part with the powder. If I want to mask off any area, is done with tape. Somehow, whatever chemical in that toner tansfer drum is able to magnetically mask, using light.
So i probably need to discover the chemistry used on this blue drum, that activates magnetically using light. Then I could just formulate a re-useable silicone rubber sheet. If the sheet is then masked with image exposure, then charged magnetically. I can transfer toner directly to heated copper, sealing and transferring without any wet medium. The same sheet can just be used to transfer the PCB traces, and possibly also the white silkscreen print after etching.
DocStein99:
I have to sort through alot of stuff to find who made the copier, and do not remember any of them have the copier info on it.
There are a bunch of these front reflective mirrors angled 45 degrees to position light down into the developing chamber. There is also a green filter of some type.
2 linear x,y slides positioned a good sized lens. There were high voltage wires that also lead up to some type of sealed halogen or other long slender glass tube bulbs. The image was illuminated, magnified, and bounced off these mirrors into the developer.
The amazing thing is, it was able to develop the image on photo sensitive magnetic material. The magnetized image spun on a dry bed of toner, picked up only on magnetized reagons. Then transfer it to one or many other paper sheets, which were sealed by a spinning hot iron/plastic fuser roller. All this is done within 1 second, probably many times a second.
I can't even begin to explain how many auger and brush conveyor assemblies the machine had to handle the toner. Pulled it out of a drum and carried in every direction.
There was also an aluminum roller, with magnets inside of a steel shaft inside of the aluminum exterior. The inside magnet shaft rotates internally. This awesome device actually carried the toner around the outside of it, without making any friction to convey onto the cleaned photo drum.
It had a full color touch screen LCD interface, so it is not older than 1900 technology. I tried to trace how to interface the pins. Cery few google search results, so I packed the distraction away on the shelf.
I understand mostly how this process works, except the specifics photo magnetic operation. I know it is a lot of chemistry and physics involved. I see now I have to study more on that mystery.
They use colored toner in powder coating, which is also magnetic fused with heat. But the only way now they have, is spraying entire magnetic part with the powder. If I want to mask off any area, is done with tape. Somehow, whatever chemical in that toner tansfer drum is able to magnetically mask, using light.
So i probably need to discover the chemistry used on this blue drum, that activates magnetically using light. Then I could just formulate a re-useable silicone rubber sheet. If the sheet is then masked with image exposure, then charged magnetically. I can transfer toner directly to heated copper, sealing and transferring without any wet medium. The same sheet can just be used to transfer the PCB traces, and possibly also the white silkscreen print after etching.
Every time you write magnetic, you really meant electrostatic, right?
It is correct that some printers and copy machines does have a magnetic developer mixed into the toner powder. It's function is to hold the powder on the drum.
Everything in a laser printer/copier works on electrostatic principle. If that copier was able to "scan" the page once and then print many copies of it, i guess the LED-strip was to "condition" the drum, rather than just erase it. With the right amount of light and voltages, it should be possible to amplify the latent image, even after a print operation, and preparing for a new print.
// Per.
// Per.
