Clever Supplies brand products are made in the USA! Why pay more for cheaper product with a high defective rate? You will end up having to send it back to the manufacturer. Your time is valuable. Get a quality product that you KNOW will work. Purchase the Clever Supplies Compatible for Samsung Pro Xpress C3010ND (CLT-K503L) Black Toner Cartridges and experience the difference! All Clever Supplies brand products are backed by '100% Quality Satisfaction' 1 year warranty against defects in materials and workmanship for all toner products. Free tech support for any problems for all Clever Supplies brand products. The use of Clever Supplies brand replacement laser toner cartridges and supplies does not void printer warranty. Premium Quality Replacement Toner Cartridge is made by ISO9001 Certified Factory to Meet or Exceed OEM Standards. These units are manufactured 100% brand new with all new parts including OPC drums, wiper blades, a smart chip and other internal parts, they are an economical alternative to expensive OEM CLT-K503L Compatible Toner Cartridges. The Compatible Toner Cartridges will produce the same amount of page yield as an OEM cartridge would. This is a Compatible for Samsung Pro Xpress C3010ND Toner Cartridges Black guaranteed to perform with Samsung Laser Printers. It replaces the original Samsung Pro Xpress C3010NDBlack. The use of compatible replacement Cartridges and supplies does not void Printer Warranty. Our Compatible for CLT-K503L Laser Toner Cartridges and supplies. For use in the following printers: ProXpress C3010DW, ProXpress C3010ND, ProXpress C3060F, ProXpress C3060FW
Frequently Asked Questions
What does one page cost on this cartridge in our C3010ND?
The CLT-K503L costs $74.12 and is rated at 8,000 pages, so the toner in a standard page works out at roughly 0.93 cents. Dense pages with charts or shaded tables cost more, plain letters less, but that is the figure to budget around — and it is the honest comparison against any rival cartridge: divide its price by its rated yield.
Several of us print to this machine — why does the black vanish faster than expected?
Shared printers collect everyone's small jobs: the two-page letter, the invoice copy, the form printed twice because the first had a typo. None of it feels like volume, but the page counter adds it all up, and because nearly all of it is text, nearly all of it comes out of the black cartridge. The CLT-K503L's 8,000-page rating is generous, yet a busy shared C3010ND will work through it steadily.
When the low-toner warning appears, how much printing is really left?
Ordinarily a few hundred pages of reserve — enough for days of normal work, not weeks. Treat the warning as the reorder signal: order the replacement when it appears and the new cartridge will be on the shelf before the old one gives up. Waiting for visibly faded pages means the last documents before the swap are the worst ones you print.
Do the colour cartridges wear at the same rate?
No. The CLT-C503L, CLT-M503L and CLT-Y503L are only spent on colour content, and each empties on its own schedule. It is normal for the black to be changed two or three times while a colour is still running, and each colour is replaced individually when its turn comes.
One year of warranty cover against defects, with free returns throughout that first year — the full terms are set out on our shipping and returns page. Our support team answers Monday to Friday, 9 AM to 5 PM CST.
About This ProXpress C3010ND Black Cartridge
One CLT-K503L high-yield black for the Samsung ProXpress C3010ND — 8,000 rated pages at $74.12, roughly 0.93 cents a page — dispatched from the closest of our IL, PA, GA or CA warehouses. The same cartridge covers the C3010DW, C3060F and C3060FW, and the complete selection is in our Samsung toner range.
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