To install the drivers for the Canon PIXMA MG6620 use the links below to the official drivers for Windows 11, 10, 8.1, 8, 7 through to Windows XP. These drivers work on both x64 and x86 based Windows computers. Unfortunately Drivers for the Canon PIXMA MG6620 haven't been updated since 2015, however these drivers that are linked below do still work on modern systems.
Ink Used:
Extra Large: PGI-250 PGBK XL, CLI-251XL C, CLI-251XL M, CLI-251XL Y, CLI-251XL BK
Standard: PGI-250 PGBK, CLI-251 C, CLI-251 M, CLI-251 Y, CLI-251 BK