Maybe the best solution is to buy a version 5103 from Ebay? Here is an offer at 6GBP or around 7.65 USD. The download sites I found all looked very suspect.
I tried to search for free downloads of the service tools v4905 and v5103. At the moment, 2018 is the latest version.!!! Copenhagen Denmark. Canon Service Mode Tool Version 5.103 is a utility program for Canon printers, the program allows you to reset the counter of the diaper (device, absorber) and other functions.
Features of the program:: The program works only with USB on the OS: Windows. Canon Service Mode Tool Version 5.610 is a utility program for printers Canon, the program allows you to reset the absorber counter and other functions. The Service Tool V3400, and administration instrument V3600, enable you to reset the waste ink cushion counter on some Canon printers:You can fathom the messages blunders “Waste Ink Tank Full” or “Waste Ink Pad Full”, “mistake 5B00” or “Blunder P07” on these printers. Original program for reset absorber and any functions.