Starting 8/26/2025 we are asking our tax exempt customers to re-submit their tax-exempt forms using our new Avalara tax exempt process found under My Account > Tax Info.  If you don't see tab please contact GM Supplies Support Team.

Products
Color
Price
Quantity
2,000 Page Yield
In Stock - Ships on Monday, 1/5/2026 if you order within 20 hrs and 2 mins
$91.99
1,400 Page Yield
In Stock - Ships on Monday, 1/5/2026 if you order within 20 hrs and 2 mins
$108.99
1,400 Page Yield
In Stock - Ships on Monday, 1/5/2026 if you order within 20 hrs and 2 mins
$108.99
1,400 Page Yield
In Stock - Ships on Monday, 1/5/2026 if you order within 20 hrs and 2 mins
$108.99
5,000 Page Yield
In Stock - Ships on Monday, 1/5/2026 if you order within 20 hrs and 2 mins
$245.99
5,000 Page Yield
In Stock - Ships on Monday, 1/5/2026 if you order within 20 hrs and 2 mins
$245.99
5,000 Page Yield
In Stock - Ships on Monday, 1/5/2026 if you order within 20 hrs and 2 mins
$245.99
8,500 Page Yield
Out Of Stock - Typically Ships in 2 days
$200.99

About the Lexmark CS421

Lexmark CS421 is a modern color printer series. It delivers 25 PPM. It uses the 78C1 toner series. Protect the efficiency of your CS421 by sourcing supplies from G.M. Supplies Ltd. because: 1) We guarantee genuine Lexmark toner; 2) All qualifying supply orders over $99.00 receive free UPS Ground shipping; and 3) We offer dependable, streamlined access to the necessary toners.
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Free UPS Ground Shipping
Free UPS Ground Shipping

On orders of $99 or more in the lower 48! (Excludes AK & HI)