Reproducing a dial?

[VintagePC]

Another thing to try might be to print it on T-shirt transfer paper and then transfer it on to a piece of material the same size as the face plate.

It would probably not adhere as well as on cloth, but if it's behind some glass, it shouldn't be damaged that easily. You'd have to experiment with the type of surface you're putting it on to see what works best- smooth, rough, thin cotton stretched over a plate, etc.

This might work better than photo paper with regards to fade/yellowing/heat resistance, especially if there isn't enough room to sandwich the end product between pieces of glass.

Remember to flip the image horizontally before you print, and also that some printer software does this automatically if you select T-shirt transfer as the media type.

A third option is to use the "poor man's PCB masking" method, where you print the design on photo paper with a laser printer at the most intense color setting. (toner won't adhere as well to the glossy paper).
Then, rough up the backing with some fine-grit sand paper, and just like the transfer, "iron" the design on to the plate. Google will explain the full process.