You have two options:
* Buy a printer for framed stencils. Pro: printer is cheaper. Con: stencils are effectively only available from China, framed stencils are more expensive than unframed, shipping cost might be higher than for unframed due to size and weight.
* Buy a printer for unframed stencils. Pro: stencils available from virtually any supplier in the world (including China). Con: printer is typically more expensive.
You might want to look for a used printer, they typically do not wear off.