Canon Original Toner Cartridge, Canon Genuine Cartridge 045 T

The Verdict

The Genuine Cartridge Dilemma: When OEM Makes Sense

Here’s the thing about toner cartridges—you’ve got three options. Cheap third-party refurbs that sometimes work, compatible new builds that work until they don’t, and genuine OEM cartridges that cost more but just work. The Canon 045 T sits firmly in that third category, and for good reason.

This is the cartridge Canon designed specifically for their imageCLASS MF440 series and LBP230 series printers. It’s the black toner cartridge (the “T” designation means black, not the “M,” “C,” or “Y” color variants you’d find in color-capable machines). If you own a Canon MF445dw, MF449dw, MF443dw, or LBP233dw, this is what your printer was engineered to use.

What’s Actually in the Box

You get one sealed black toner cartridge rated for approximately 2,300 pages based on the ISO/IEC 19752 standard. That’s the industry standard for measuring mono toner yield, so you’re comparing apples to apples when shopping alternatives.

The cartridge ships in Canon’s tamper-evident packaging. Inside, you’ll find the cartridge itself with a protective seal you pull before installation. There’s no drum unit included—that’s separate and rated for roughly 100,000 pages in these printers, so you won’t need to worry about it for a long time.

Installation is genuinely simple. Open the front cover, pull the old cartridge straight out, slide this one in until it clicks, close the cover. The printer’s chip auto-recognizes it. No firmware gymnastics, no “non-genuine toner” warnings, no reset sequences.

Real-World Performance

The consistent feedback across 229 Amazon ratings (4.6 stars) centers on one theme: reliability. As one verified buyer put it, “Prints are crisp and clear, no smudging or streaking. This is the third time I’ve purchased this exact cartridge.” Another noted, “I’ve tried cheaper off-brands before and always ended up with error messages or faded prints. This just works.”

That tracks with what I know about Canon’s toner formulation. The 045 T uses a polyester-based toner with a lower melting point than many compatibles, which means it bonds properly at the fuser temperature your printer expects. Third-party toner often needs higher temperatures, leading to faint prints or that annoying “toner low” warning appearing early because the chip reads inconsistent density.

The page yield is honest. In moderate office use—printing contracts, forms, email attachments—you’ll get close to the advertised 2,300 pages. If you’re running a high-volume environment printing 50+ pages daily, expect to replace this monthly. That’s not a flaw; it’s just physics.

Where It Falls Short

Let’s be direct about the downsides. First, price. Genuine Canon cartridges cost roughly 30-50% more per page than compatible alternatives. If you’re printing 10,000 pages a month, that adds up fast.

Second, the 2,300-page yield is modest. Canon offers a high-yield version (the 045H) rated for roughly 5,100 pages. If you know you’re a heavy printer, the high-yield version is the smarter buy—even though it costs more upfront, your per-page cost drops significantly.

Third, there’s the environmental question. Genuine cartridges aren’t refillable by the end user, and Canon’s recycling program requires shipping used cartridges back. Some compatible manufacturers offer mail-back programs with prepaid labels that are more convenient.

Who Should Buy This

Buy it if: You own a compatible Canon imageCLASS printer and value print consistency over saving a few dollars per cartridge. You’re tired of troubleshooting error codes, faded prints, or premature “replace toner” warnings from third-party cartridges. You print important documents—contracts, client-facing materials, legal paperwork—where print quality isn’t negotiable.

Skip it if: You’re a high-volume printer who should be looking at the 045H high-yield version instead. Or you’re on a tight budget and willing to gamble on compatibles—just understand the tradeoffs before you do.

FAQ: Real Questions Shoppers Ask

Will this work in my Canon MF445dw? Yes. The 045 series is compatible with the imageCLASS MF440 series (MF441dw, MF443dw, MF445dw, MF449dw) and LBP230 series (LBP231dw, LBP233dw, LBP236dw, LBP239dw). Check your printer model before ordering.

How many pages will I actually get? Canon rates this at 2,300 pages based on 5% coverage. If you print mostly text documents, expect close to that. If you print graphics or dense pages, yield drops proportionally.

Can I use this cartridge in a color Canon printer? No. This is the black toner cartridge only. Color printers require the matching black, cyan, magenta, and yellow cartridges—each sold separately.

The Verdict

The Canon 045 T isn’t the cheapest option in the toner aisle, and it’s not trying to be. It’s the option that works, consistently, with zero drama. For most small offices and home users with a compatible Canon printer, that reliability is worth the premium. At 4.6 stars across 229 ratings, the buyer consensus matches my assessment.

Buy it if you want prints that look right the first time, every time, without fighting your printer. Skip it if you’re a volume printer who should be looking at the high-yield 045H, or if budget is your only consideration.

Rating: 4.6/5 — Deducting half a star for the premium price and modest yield, but this is the cartridge I’d put in my own printer.

Note: Prices fluctuate on Amazon. Check current pricing on the product page before purchasing.

Where to Buy

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Last updated: 2026-08-06. Ratings and prices current as of review date. Verify on Amazon before purchasing.