ISO/IEC 23385:2022 This document specifies a method for measuring single photo printing time of digital photo printing devices on a wide range of print technologies. This document is applicable to digital photo printing devices that can produce photo prints on either 2” × 3” (51 mm × 76 mm), L (89 mm × 127 mm), 4” × 6” (102 mm × 152 mm), A6 (105 mm × 148 mm), A4 (210 mm × 297 mm), 8,5” × 11” (215,9 mm × 279,4 mm), 11” × 17” (279,4 mm × 431,8 mm), A3 (297 mm × 420 mm) or A3+ size sheets.