Unfortunately due to the design of the printer we were not able to make a ciss continuous ink system fit in the Pixma TS3550i printer, in our opinion this is the next best thing you are going to find
Canon Pixma TS3550i Ink Cartridges
Refillable CL-576 Colour Pod Cheap printer cartridges for Canon Pixma TS3550i 5442C001 dye ink
XL Multipack ink refill kit for Canon Pixma TS3550i PG-575 - CL-576 printer
XL capacity ink cartridges can help you save money, print more when you need to and extend the time between replacing ink cartridges. Genuine Canon inks provide peak performance that is specifically designed for compatible Canon printers. Pigment black ink cartridge produces crisp, sharp black text for all your documents. XL capacity ink cartridges can help you save money, print more when you need to and extend the time between replacing ink cartridges.
Canon 4981C008 (PG-275XL/CL-276XL) High-Yield Multipack Ink, Black/Tri-Color
Relcolor Remanufactured Ink Cartridge Replacement for Canon 275XL 276XL 275 276 XL PG275 CL276 (Black and Tricolor, 2-Pack) Work with TS3520 TS3522 TS3500 TR4720 TR4700 Printer : Office Products
Toner Kingdom Ink Cartridge for Canon 275 Ink PG 275 for PIXMA TS3520 TS3522 TS3500 TR4720 TR4722 TR4700 Printer(1 Black)
👍Upgraded Chips:Each 275XL 276XL ink cartridge equipped with the latest upgraded chips to ensure efficient compatibility, fast identification to
Remanufactured Ink Cartridge Replacement for Canon 275XL 276XL 275 276 XL PG275 CL276 (Black and Tricolor, 2-Pack) Work with TS3520 TS3522 TS3500
Canon Pixma Ts9150canon Pg275 Cl276 Ink Cartridge Refill Kit For Pixma Ts3520 Ts3522 Ts3500
Relcolor Remanufactured Ink Cartridge Replacement for Canon 275XL 276XL 275 276 XL PG275 CL276 (Black and Tricolor, 2-Pack) Work with TS3520 TS3522 TS3500 TR4720 TR4700 Printer : Office Products
Relcolor Remanufactured Ink Cartridge Replacement for Canon 275XL 276XL 275 276 XL PG275 CL276 (Black and Tricolor, 2-Pack) Work with TS3520 TS3522
Canon PGI-35 Twin Black & CLI-36 Color Ink (1509B007AB/AE)