CompAndSave is proud to offer wallet-friendly prices on our replacement HP LaserJet Pro MFP M521dn toner cartridges with genuine-like quality and satisfaction. Why choose CompAndSave in shopping for HP M521dn toner cartridges?

  • LOW PRICE GUARANTEE. Our HP LaserJet Pro M521dn toner cartridges are designed to ensure that you will get the same number of sheets and print quality as the genuine ones at a much lesser price.
  • WORKS LIKE THE ORIGINAL. Not sure on how to install replacement HP LaserJet Pro MFP M521dn printer toner? Worry no more as CompAndSave's cartridges are designed to work and perform just like the original cartridges.
  • MORE DISCOUNTS. Enjoy even bigger discounts if you order HP LaserJet Pro MFP M521dn toner cartridges in bulk. Make sure to explore different quantities to find the price break that suits you best.
  • NEXT DAY SHIPPING. HP M521dn toner cartridges orders placed before 2:00 p.m. PST Monday through Friday will be processed the same day. Orders placed after 2:00 p.m. PST will be processed the following business day. Check our Shipping Policy for more information.
  • FREE SHIPPING. For U.S. orders, buy products up to $50 or more, and the shipping fee is on us!
  • SATISFACTION GUARANTEE. CompAndSave is so confident in the quality of our replacement HP LaserJet MFP M521dn toner that we offer a FULL refund for orders returned within ten days upon delivery. We even issue refunds or store credit up to 365 days from the purchase date! Make sure to read our Return Policy for more details.
  • WILL NOT VOID PRINTER WARRANTY. Using a replacement HP LaserJet Pro MFP M521dn toner cartridges will never void your printer warranty. Visit our Ink Knowledge Base page for more details or contact us for any further questions.

Hurry and take advantage of our great prices for HP M521dn toner cartridges today. SAVE Now!

HP LaserJet Pro MFP M521dn Toner Cartridges

Free shipping on orders $50 or more
All ink & toner come with a one-year 100% satisfaction guarantee.
Our products will never void your printer's warranty.

Replacement HP LaserJet Pro MFP M521dn Toner Cartridges from $34.95

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Retail Price: $341.98
$65.98
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Retail Price: $1,709.90
$299.90
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High yield cartridge. Contains more ink and print more pages.
HP CE255X (55X) Black Laser Toner Cartridge
Replacement HP CE255X Black Toner Cartridge - 55X - High Yield
Retail Price: $250.99
$37.99

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Retail Price: $170.99
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Retail Price: $188.99
$99.99
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High yield cartridge. Contains more ink and print more pages.
High-Yield HP 55X MICR Toner Cartridge Black, Single Pack
Retail Price: $290.99
$109.99
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How Do I Change The Ink In My HP LaserJet Pro MFP M521dn?

  1. Open the printer's front door by pressing the door release button.
  2. Grab the toner cartridge that needs to be replaced, then pull it out from the printer.
  3. Get your new CompAndSave HP M521dn toner cartridge, open the cartridge over a sink or garbage can to avoid any messes in case of a powder leak as sometimes, factories tend to overfill toner cartridges. Gently shake the toner cartridge and avoid touching the bottom part of the toner, then remove the covering tape that is usually bright in color as well as the plastic protective case, if there is, before installing it.
  4. Carefully align and insert the new HP LaserJet Pro M521dn toner cartridge into its slot until it is firmly seated in place.
  5. Close the printer's front cover.

HP LaserJet Pro MFP M521dn Toner Cartridges FAQ

Can HP LaserJet toner cartridges be refilled?

Yes, HP toner cartridges are refillable; however, it is not recommended since you have to replace some parts of the toner as well. If you think of refilling an empty toner cartridge, please bear in mind the following pros and cons. The major advantage of refilling is cost-efficiency. It'll be a way cheaper option rather than purchasing a new genuine one. On the other hand, refilled toner cartridges can have issues with print quality and durability. Toner consists of different parts such as rolling gears, cleaning blades, etc. These parts wore out over time which can cause noise when printing, low-quality printouts, and even leakage inside the printer. Another thing to look into is the imaging drum; these hold the image before the toner powder is applied to the paper. Just like the toner, parts of the imaging drum also wear and tear over time.

To sum it all up, we highly encourage you to have it refilled through stores that offer refilling services instead. If you choose to purchase a new one, we at CompAndSave offer a wide variety of cheap printer toner cartridges at a much lesser price without compromising its quality. Our toners are manufactured to meet or exceed the OEM specifications, which will save you from all the trouble of going through the process of refilling a toner cartridge.

How many pages can a toner cartridge print?
Toner's page yield will depend on how they were manufactured and how much toner the cartridge can hold. The HP LaserJet Pro MFP M521dn toner, which is HP 55X can print up to 12,500 pages on a 5% coverage. To understand more about page yield and print coverage, click What does page yield means? and you will be redirected to the right page.

Replacement HP LaserJet Pro MFP M521dn Toner Cartridges Reviews

6 Customer Reviews
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  • I am a repeat customer, enough said
    Review for Replacement HP CE255X Black Toner Cartridge - 55X - High Yield
    Jan 19, 2023
    By: Verified Buyer
    All good
    Was this review helpful?
  • Great price, works well.
    Review for Replacement HP CE255X Black Toner Cartridge - 55X - High Yield
    Feb 9, 2022
    By: Verified Buyer
    Every cartridge I have purchased from Comp and Save has always worked fine, which is why I keep ordering from them year after year.
    Was this review helpful?
  • Review for Replacement HP CE255X Black Toner Cartridge - 55X - High Yield
    Sep 20, 2021
    By: Verified Buyer
    Great product. Love the savings. Thank you.
    Was this review helpful?
  • Works great, inexpensive toner.
    Review for Replacement HP CE255X Black Toner Cartridge - 55X - High Yield
    Jun 8, 2021
    By: Verified Buyer
    Previous purchases worked fine, I expect this will as well
    Was this review helpful?
  • Works great - half the price!
    Review for Replacement HP CE255X Black Toner Cartridge - 55X - High Yield
    Oct 18, 2020
    By: Verified Buyer
    Works great - half the price!
    Was this review helpful?
  • Review for Replacement HP CE255X Black Toner Cartridge - 55X - High Yield
    Apr 8, 2020
    By: Verified Buyer
    The HP CE255X toner cartridge works great! Thank you for helping me find the correct toner cartridge!
    Was this review helpful?