Non-transitory storage medium storing printer driver, and printing method

A non-transitory computer readable storage medium storing a printer driver to be used by application software for generating a print script to be printed by an image forming apparatus from an original in accordance with ability of the image forming apparatus,

• the printer driver causing the computer to function as an ability reply device, wherein the ability device replies the ability to the application software in response to an inquiry asking the ability from the application software, and
• wherein the ability reply device obtains a resolution to reply as a print resolution included in the ability to reply to the application software, by obtaining a scale factor of the resolution to reply to an actual print resolution of the image forming apparatus on the basis of a size of a recording medium to be printed by the image forming apparatus and a size of the original, and by multiplying the obtained scale factor by the actual print resolution of the image forming apparatus.