A terminal device performs operations includes: a file information receiving process to receive M pieces of file information for identifying M image files from a printer storing M image files; a specific signal receiving process to receive a specific signal from the printer; a determination process to determine whether an inter-device distance is equal to or less than a predetermined distance by using a received radio field intensity of the specific signal; a selection process to select N pieces of file information, which is a part of the M pieces of file information when it is determined in the determination process that the inter-device distance is equal to or less than the predetermined distance; and a print instruction transmission process to not transmit the print instruction to the printer when it is determined that the inter-device distance is not equal to or less than the predetermined distance.