With TCT premium toner cartridges, you can enjoy the full benefits of high quality printing and exponential savings. We offer a wide variety of compatible replacement ink and toner cartridges. Each cartridge model is available in multiple pack sizes allowing you to save even more the more you buy. Choose the right value pack that works for your budget and save with TCT! All our cartridges are designed to work seamlessly with your printer, and we have a full 1 Year product protection on manufacturer defects on all of our cartridges purchased from TCT. TCT Print Quality Beyond Your Expectations! The TCT Advantage TCT carries premium cartridge replacements perfect for your home and business printing needs. You get the same excellent print results without spending more. Printer Compatibility The TCT MLT-D303E is compatible with the following printer models: Samsung ProXpress M4580FX Printers. Higher Density Level Our premium grade toner produces high quality prints every time. Whether in high or low printer density, expect to get vibrant, crisp, and sharp texts and graphics. Tips on How to Properly Install Your Toner Cartridge - Turn on the printer and open the front cover. - Unlock the lever and remove the old toner cartridge. - Unpack TCT toner cartridge. Tips on How to Properly Install Your Toner Cartridge - Remove all protective covers and tabs. - See instructional guide for specific courses of action. Tips on How to Properly Install Your Toner Cartridge - Hold TCT toner cartridge steadily - Shake from side to side to distribute toner evenly and loosen lumps. Tips on How to Properly Install Your Toner Cartridge - Install the new TCT toner cartridge. Make sure to secure lock. - Close front cover. - Wait for machine to be in Ready Mode. Start printing. Step 1 Step 2 Step 3 Step 4 Use TCT's Premium Brand of cartridges to print all of your projects! Sharp Signs and Labels Print bold and long-lasting signs and labels. Eye-Catching Brochures Create stand out brochures and pamphlets. Professional-Looking Photos Re-live captured moments with stunning printed photos. Finest Printable Arts & Crafts Enjoy playtime with printable arts and crafts. TCT Samsung MLT-D303E Black Replacement Toner Cartridge Four Pack TCT Samsung MLT-D303E Black Replacement Toner Cartridge Two Pack TCT Samsung MLT-D303E Black Replacement Toner Cartridge Buying Options Add to Cart Add to Cart Customer Reviews — 5.0 out of 5 stars 1 4.0 out of 5 stars 2 Price — no data $283.99$283.99 $142.99$142.99 Compatible Brand Samsung Samsung Samsung OEM Replacement Number MLT-D303E MLT-D303E MLT-D303E Color/Size 4 Pack - Black 2 Pack - Black 1 Pack - Black Page Yield 40,000 Pages 40,000 Pages 40,000 Pages 1 Year product protection on manufacturer defects ✓ ✓ ✓ Compatible Printer Models Samsung ProXpress M4580FX Samsung ProXpress M4580FX Samsung ProXpress M4580FX