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Laser Printer Toner Fuser Heats up Which Side of the Paper?

D

D from BC

Jan 1, 1970
0
Typically, which side of the paper is heated for fusing the toner in
laser printers..?

Is it the back of the paper or is it the front with the toner?
Or both?
D from BC
 
M

Meat Plow

Jan 1, 1970
0
Typically, which side of the paper is heated for fusing the toner in
laser printers..?

Is it the back of the paper or is it the front with the toner?
Or both?
D from BC

The side with the toner
 
D

D from BC

Jan 1, 1970
0
The side with the toner

Cool...
Makes sense for the fastest heat transfer..

It would probably take longer or take more heat to melt toner with
heat applied on the backside of the paper.

Thanks
D from BC
 
R

Rich Grise

Jan 1, 1970
0
The side with the toner

Cool...
Makes sense for the fastest heat transfer..

It would probably take longer or take more heat to melt toner with
heat applied on the backside of the paper.
[/QUOTE]

Since the toner is what actually fuses (melts), it's the only
logical side to apply heat to.

Cheers!
Rich
 
R

Rich Grise

Jan 1, 1970
0
Since the toner is what actually fuses (melts), it's the only
logical side to apply heat to.

However, if you already have the print, and want to transfer the
toner to a PCB as resist, then, of course, you apply the hot iron
to the back of the paper. :)

Cheers!
Rich
 
A

Adrian Tuddenham

Jan 1, 1970
0
D from BC said:
Typically, which side of the paper is heated for fusing the toner in
laser printers..?

Is it the back of the paper or is it the front with the toner?
Or both?

On the Canon CLBP460/HP4500 series, both sides are heated. You don't
just want the toner to melt, you want it to run into the paper.

With heavier materials, such as card or transparencies, the transport
slows down so that the medium spends longer in contact with the fuser
rollers and longer in the cooling channel on the way out.

You would have a job designing a roller-type fuser with one hot roller
and one cold one; but there may be other types of fuser, using radiant
heat, which only heat one side of the paper.
 
J

Jasen

Jan 1, 1970
0
Typically, which side of the paper is heated for fusing the toner in
laser printers..?

Is it the back of the paper or is it the front with the toner?
Or both?
D from BC

Seeing as you can print both sides it's probably the top.

But that does raise a point the heaters in a laser printer may not be
able to get the copper sheet hot enough.

pre-heating may help, may damage the drum, I'm not prepared to risk it
on the work printer.

Bye.
Jasen
 
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