Hi, i'm the same problem i solved in february with a tank replacement, but this is the SUB INK TANK UNIT R this time... I should be interesting to now more about the software update... could you tell me the software version of your printer system. Mi...
You can find here a bit of responsehttps://community.usa.canon.com/t5/Office-Printers/problem-with-Canon-PRO-4000/td-p/311309It'sa problem in the SUB INK TANK UNIT L ( that you can see here https://printcopy.info/?mod=pc&brand=Canon&model=imagePROGRA...
Hi, i'm a french photographer with the same Canon Pro-4000 since three years.it was always a good product that i'm very happy.Since last week i had a the same probleme like you. My 700 ml MK cartridge will ended a little bit quickly. I don't think fi...