Samsung SCX-4521FR Toner

Cartridge prices starting at $37.95

The Samsung SCX-4521FR offers high-speed printing of up to 20 pages per minute at 600x600 dpi resolution. It also supports a wide variety of media types and sizes to better cover your specific printing needs. But to get consistent print quality across your tasks, make sure to use only top-tier replacement toner cartridges from Take a look at our Samsung SCX-4321/SCX-4521 Series (SCX-4521D3) Compatible Black Toner Cartridge. It will handle your large and complex print tasks with its 3000-page yield, while creating incredibly sharp and vivid monochrome output that can match even that of more popular alternatives. The only difference is that our compatible toner cartridges allows for greater savings thanks to its budget-friendly price. Shop now and get up to 14% off, plus free shipping on orders over $30.

Shop Cartridges for SCX-4521FR

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How to Replace Cartridge(s)

Here's how to install a new toner cartridge in your Samsung SCX-4521FR printer:

  1. Grasp the sides of the front door and pull it down to open.
  2. Take the old toner cartridge by its handle and remove it from inside the printer.
  3. Remove the new toner cartridge out of its box and packaging.
  4. Distribute the toner evenly by rolling the new cartridge gently up to six times. This ensures you get the maximum amount of copies.
  5. Holding the new toner cartridge by its handle, slide it into the printer until you hear it snapping into place.
  6. Lift the front door closed, and that's it.

Frequently Asked Questions

How do I extend the shelf life of my unopened toner cartridges?

Just store them properly. This means keeping your unopened toner cartridges in a dark, dry and climate-controlled space. It's also a good idea to store them away from any gaseous cleaning materials to avoid degrading the toner. By storing your cartridges the right way, you can easily make them last much longer.

Does offer same-day shipping?

Yes! We can box and ship your Samsung SCX-4321/SCX-4521 Series (SCX-4521D3) Compatible Black Toner Cartridge on the same day if the order is placed before 3pm Pacific Time (with Fridays, weekends and holidays being the exception). Orders above $30 are also shipped for free.

Is there a difference between toner and ink cartridges?

Toner cartridges are used in laser printers like the Samsung SCX-4521FR, while ink cartridges are used in inkjet printers.