Canon SELPHY CP-500, 300 x 300 DPI, Direct printing Canon SELPHY CP-500. Maximum resolution: 300 x 300 DPI. Direct printing https://www.trustedreviews.com/reviews/canon-selphy-cp500-compact-photo-printer Photo printers that can produce ‘regular' size prints without the need for a PC are becoming increasingly popular. Most of them, such as those from Epson and HP, are scaled-down inkjets, but Canon has taken a different route, offering a series of miniatur...