General description Ensuring that you get the most bold and striking prints, the Canon PG-545XL High Yield Black Ink Cartridge is ideal for making the most from your letters, reports, and memoranda. Designed to work with excellent precision, this cartridge provides sharp lines allowing text that is highly legible and does not look smudged. Easily installed into your printer, each cartridge is user-friendly and works well from the first print until the last.