If you own a Canon inkjet printer, you've probably wondered whether you're buying the right replacement ink. The Canon PG-240 genuine black ink cartridge is one of the most widely used cartridges across Canon's range, but it's only compatible with specific printer models. Understanding which printers use this cartridge, how long it lasts, and how to care for it will help you keep your printer running smoothly and avoid costly mistakes.

Which Canon Printers Use the PG-240 Cartridge?

The Canon PG-240 black ink cartridge fits a substantial list of Canon inkjet printers across two main product families. You'll find it in the MG series, which includes models MG2120, MG3120, MG4120, MG2220, MG3220, MG4220, MG3520, and MG3620. The MX series, Canon's all-in-one multifunction line, uses the PG-240 in models MX512, MX432, MX472, MX372, MX392, MX522, MX532, and MX452. The TS5120 is also compatible.

Before ordering, you should verify your exact printer model. Look at the front or back of your printer for a model number that matches one of these designations. Many people guess or rely on memory, which can result in ordering the wrong cartridge and wasting money. The model number is usually printed on a label, and taking a photo of it is a safe way to confirm before purchasing.

How Much Printing Does One Cartridge Cover?

The Canon PG-240 black ink cartridge yields up to 180 pages of standard document printing. This estimate assumes you're printing typical office documents with average ink coverage. If you print heavily illustrated pages, photographs, or use darker backgrounds, your cartridge will be depleted faster than the stated page yield.

The actual longevity depends on several factors: your printer settings, the complexity of what you're printing, and how often you use the device. A home office worker who prints a few pages per week might get several months from one cartridge, while someone printing daily could exhaust it in weeks. Keeping track of when you install a new cartridge helps you anticipate when you'll need the next one.

Genuine Canon Ink vs. Alternatives

The Canon PG-240 is a genuine Canon product, which matters more than you might think. Canon genuine inks are formulated specifically for Canon printers using the company's FINE (Full-photolithography Inkjet Nozzle Engineering) technology. This technology relies on thousands of microscopic nozzles that work in precise coordination with genuine ink formulations.

Using genuine Canon PG-240 ink gives you consistent print quality and helps protect your printer hardware. Counterfeit or incompatible cartridges may work initially but can clog nozzles, damage print heads, or produce faded or streaky output. The investment in genuine ink typically extends the life of your printer and reduces the risk of costly repairs down the line.

Caring for Your Black Ink Cartridge

Once you've installed your Canon PG-240 cartridge, a few simple practices will help it perform optimally. Keep your printer in a cool, dry location away from direct sunlight, as heat and UV light can degrade ink quality even before you use it. Don't leave your printer unused for extended periods, as this can cause the ink to dry out in the nozzles. Running a cleaning cycle through your printer's maintenance menu every few weeks, especially if you print infrequently, keeps the print head clear.

Store unopened cartridges in their original packaging at room temperature. Once you've installed the Canon PG-240 black ink cartridge, avoid removing and reinstalling it repeatedly, as this can create air pockets that affect performance.

When to Replace Your Cartridge

Your printer will typically give you a low-ink warning before the cartridge runs completely empty. Some printers display this on a screen or control panel, while others send a message to your computer. You don't need to wait until the cartridge is completely exhausted, and you shouldn't ignore these warnings for long, as printing with critically low ink can damage the print head.

Having a replacement Canon PG-240 cartridge on hand means you won't face printing delays when you need to print something urgently. Many people find it convenient to order a replacement as soon as they see a low-ink warning rather than waiting for an emergency.

The product in this guide: Canon PG-240 Genuine Black Ink Cartridge, Compatible with MG2120/3120/4120, MX512/432/472/372/392/522/532/452, MG2220/3220/4220/3520/3620, TS5120