These prices are out of date. Our price feed last updated on 20 Oct 2026 (7 days ago) and hasn’t refreshed since, so every price and cost-per-page figure here is from that date. Check the live price on Amazon before buying.
Lexmark CS/CX431 Black Return Program 6K Print Cartridge
20N1XK0 · 20N1XK0
Price history
53 days · low $143.99 · high $148.99Now 3% above its 53-day low of $143.99 (Aug 7).
Specifications
Marketing code20N1XK0
Part number (SKU)20N1XK0
Typetoner
Colorblack
Page yield6,000 pages
High yield (XL)Yes
Compatible alternatives
Shown by Amazon sales popularity, not a recommendation. Third-party page yield isn’t independently tested, so we don’t calculate a cost per page for these — prices are for the cartridge only, normalised to a single unit.
Vortessencia 20N10K0 CS331 Toner Cartridges Black (with Chip) Compatible for Lexmark CS331 Toner Work for CX331 CS431 CS331 CX431 CS331dw CX331adwe CS431dw CX431adw Printer, 1,500 Pages
$69.99/ea
View on AmazonWBBWQQ 20N10K0 20N10 Black Toner Cartridge with Chip
$65.99/ea
View on Amazon