Oct 09, 2017 · When printing digital photos on fabric, save each photo at the size you will be using with a resolution of at least 150 dpi. You can save at a higher resolution for better quality, but the files will take longer to print. An example of a photograph with low dpi. An example of a photograph with high dpi. Print On Fabric Now, any photo or design can be printed directly onto cotton or silk fabric using a computer and InkJet Printer or an Ink Jet Copier. Print on Fabrics are specially treated silk and cotton fabrics with a paper backing which run smoothly through most all brands of ink jet printers.