Canon multipass f20
Canon IP 3000 Pixma
You can find out what ink cartridges your dell printer uses by opening up the printer and checking to see what cartridges are already installed on the printer.
Printer cartridges are what holds the ink. You insert these into the specific place in the printer, and the printer uses the ink from inside the cartridges.
Usually known as an "inkjet" printer that uses blue, red and yellow ink cartridges, with some printers using an additional black ink cartridge.
go buy RGB cartridges
Hp3050a
Generally speaking, if you can get by with an inkjet printer, buy one which uses ink cartriges that are refills. These are the lowest cost ink cartridges.
riso rn 2100 ep
Laser printer cartridges are much more expensive than inkjet printer cartridges. Laser printer cartridges last a lot longer than inkjet printer cartridges.
Two or four
It should say in the your instruction manual what type of cartridge your particular printer uses. Also I would suggest visiting the company website of the particular printer that you have.
Some laserjet ink toner cartridges are reusable, but it depends on the brand of your printer and what type of ink cartridges it uses. The ones that are reusable can be refilled with ink or recycled.
Chains such as Office Depot offer printer cartridges at reasonable prices. There are a number of online retailers that specialize in selling printer cartridges as well.