What do you mean by "converted into sublimation"? Are you wanting to printing sublimation heat transfers?
Sublimation dye transfers are made with transfer paper and sublimation-capable inks. It does not require any "conversion" of the printer.
Max paper size supported is
8.5 x 11.7
If you need bigger than that, you'll need another printer.
The printer supports borderless printing, but some papers limit the printable area. Paper types which do not support borderless printing: Envelope, High Resolution Paper, T-Shirt Transfer, Photo Stickers.
If you select one of the above paper types you cannot print borderless. Hope that helps.
Bay Area - CA
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