Samsung SPP 2040 - Manual (Page 17)

Loading paper
2.3
Loading paper
The supported paper size is Postcard(102x152mm/4"x6") size. You should use only
paper designed for Samsung Photo Printer.
1
Open the paper cassette. Load the paper shiny side up. Ensure
that it is laid flat, and close the cover.
2
Open the front cover of the printer.
3
Push the paper cassette into the printer completely.
Loading the paper shiny side down may cause a problem.
Do not load more than 20 sheets of paper.
Do not touch the surface of the paper.
Only use the supplied ribbon cartridge, photo paper, and approved
IPP-4640G (for 40 pages printing), IPP-46120G (for 120 pages
printing) paper. If not, there will be a problem.
You can not print if the spare portions of the paper has been defaced
or cut off.
Do not insert the paper cassette when the printer is turned on.
Paper should be stored flat.
Keep the paper where the air is not too humid and the temperature is
not too high and do not expose it to light directly.