Yes you do. Depending on the printer model, you will have to purchase a different type of ink cartridge. Color printers require a black-and-white cartridge as well as a color cartridge.
Yes, I would recommend by ink refills instead of new cartridges. You can have your ink refilled at Office Depot, OfficeMax, or other office supply stores, or you can buy a refill kit, but that can be very messy if you don't do it perfect.
I would recommend either purchasing inkjet refills at a store such as Staples or research online. Amazon.com has themselves and many affiliate stores to purchase inkjet refills.
Go to your local Cartridge World store!
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.
There are different types of inkjet cartridge refills that are made specially for Canon or are compatible with Canon printers. You can find them at websites like www.123inkjets.com.
I always buy inkjet refills from Wal-Mart, but it is also available at Staples. Wal-Mart is probably the least expensive. I recommend Wal-Mart over any other store.
Brother, Hewlett Packard, Lexmark, and Dell all offer a business the ability to purchase a business inkjet printer. The most common purchased for business are Brother printers since the refills are affordable.
It is possible to buy printer inkjet cartridges from Staples, Best Buy, Future shop, Grand & Toy, The Source, Office Depot and Office Supply Warehouse.
Someone looking to buy an inkjet colour printer can go to an electronics or computer sales store. A couple of these stores might be Future Shop and Best Buy.
Brother printer inkjet cartridges can be found at many retailers, both in store and online. Office Depot, Office Max, Staples, Wal-Mart, and Target are good places to buy printer ink.
The printer, Brother's Inkjet Multifunction Printer, has the best reviews for business use, coming in with a 5 out of 5 star rating from Best Buy's customers' reviews.
An inkjet printer wil be better for printing photographs.
inkjet prints at higher resolutions.