SKU:

CS-Lexmark-MS321DN-Black

Printer Brand:

Lexmark

OEM Number:

56F1000

Ink Color:

Black

Page Yield:

Black: 6000

Printer Type:

Laser Cartridge

Condition:

New Compatible

Frequently Asked Questions

How long will this cartridge actually last in a small office?

The rating is 6,000 pages at the standard 5% coverage, and on an entry-level machine like the MS321dn that stretches a long way in calendar terms. At roughly 500 pages a month — typical for a small team printer — one cartridge covers about a year of printing. Lighter users will see it last even longer, so replacements are a rare event rather than a routine chore.

Is this a high-capacity cartridge?

No — the 56F1000 is the standard-yield cartridge for this Lexmark platform, not a high-yield or extra-high-yield option. Its strength is that 6,000 pages is a generous rating for a standard cartridge, which suits offices that print steadily but not heavily. If your volume is high, ask us about higher-yield options for your exact model before ordering.

Which printers does this cartridge fit?

MS321DN, MS421DN, MS421DW, MS521DN, MS621DN, MX321ADN, MX521ADE and MX521DE This listing is titled for the MS321dn, but the 56F1000 is the shared cartridge across that whole small-department platform — the same cartridge serves every model in the list. If your model appears there, this is the correct cartridge regardless of which printer name is on the listing.

What if the cartridge has a problem partway through its life?

Every cartridge we sell is covered by a one-year warranty, and returns are free for a full year as well. If print quality drops or the cartridge fails early, contact us and we will make it right — the details are on our shipping and returns page. Our support team is available Monday through Friday, 9 AM to 5 PM CST, and orders ship from our warehouses in IL, PA, GA, and CA.

How is the 6,000-page yield measured?

It follows the ISO/IEC 19752 standard, which prints a consistent 5% page coverage until the cartridge is empty. Real-world results vary: dense documents, heavy graphics, and frequent short jobs all use more toner per page. Treat 6,000 pages as a solid benchmark rather than a guarantee for every print job.

Is this an original Lexmark cartridge?

No, this is a compatible cartridge built to match the Lexmark 56F1000 specification — same page yield, same fit, same print standard — offered under our own brand. It is backed by the same one-year warranty and one-year free returns as everything we sell. You can see the full range for the platform on our Lexmark toner page.

About This Compatible Lexmark 56F1000 Cartridge for the MS321dn

This single compatible Lexmark 56F1000 black toner cartridge delivers a rated 6,000 pages for the MS321dn and its platform siblings, making it a set-it-and-forget-it choice for small offices that print a few hundred pages a month. At $174.94 it is priced per cartridge rather than per page, and for low-to-moderate volumes the long calendar life between changes is the real value. Every cartridge carries a one-year warranty with one-year free returns from Clever Supplies.