Color: Orange - Used on the following inkjet Canon cartridges: CLI-821BK / CLI-821C / CLI-821M / CLI-821Y / PGI-820BK CLI-521BK / CLI-521C / CLI-521M / CLI-521Y / PGI-520BK CLI-220BK / CLI-221C / CLI-221M / CLI-221Y / PGI-220BK CLI-321BK / CLI-321C / CLI-321M/CLI-321Y / BCI-320PGBK - Allows you to completely reset the chip in inkjet cartridges for the following Canon printer models: Canon Ip4600 / ip4680 / ip3600 / ip3680 / ip4760 / MP540 / MP638 / MX868 / MP545 / MP620 / MP630 / MP980 / ip4700 / MP550 / MP1900