Canon's Useful Tips On How to Clean and Care for Your Camera Isopropyl alcohol to clean glass Use air rocket to clean sensor and mirror No canned air ever Camera straps properly Microfiber cloth Use ziplock bags to prevent condensation and lens fogging!
reset your ink cartridge. Another Pinner: "Ink Cartridge Low? Not true. this totally works, my printer stopped printing, saying there was no ink, I reset the cartridge and then printed 50 more documents and the ink still hasn't run out!