Impressive, I am amazed! Friday 16 h a cartridge is empty: my scanner-printer Canon MG6150 refuses scanner! I have an urgent document to be scanned and sent, so I spend ordering these cartridges without illusion telling me that I would not receive them before next Tuesday or Wednesday in the best case. I HAVE RECEIVED THE FOLLOWING DAY SATURDAY 11 am! And in addition they work perfectly. I admit that I am amazed! The post of trouble to do .....