Astrum Compatible Toner Cartridge MLT-D203 (ASMS203B) Black, 5,000 Page Yield for Samsung SL M4020/4020ND/4020NX/4070/4070FR/4070FX 12 Month Warranty

Astrum’s ASMS203B toner cartridge delivers professional-grade black prints on Samsung Xpress and Pro Xpress devices. Engineered to meet or exceed OEM MLT-D203 performance, it provides crisp text, deep blacks, and consistent coverage from the first page through up to 5,000 pages at 5 % coverage. Each cartridge is manufactured in ISO 9001 and ISO 14001 certified facilities and undergoes rigorous quality control for reliable, jam-free operation.

Key Benefits
Exact drop-in replacement for Samsung MLT-D203 cartridges
Fine-milled toner for sharp, fade-resistant black output
High yield capacity prints up to 5,000 pages at 5 % coverage
Hassle-free, plug-and-play installation no chips or firmware updates needed
Manufactured under eco-friendly, ISO-certified processes
Backed by a 12-month Astrum manufacturer warranty

Technical Specifications
Feature Details
Cartridge Model ASMS203B
Toner Colour Black
Compatible Part Nos. Samsung MLT-D203, Astrum ASMS203B
Print Technology Monochrome Laser
Page Yield Approx. 5,000 pages at 5 % coverage
Installation Type Drop-in; plug-and-play
Certifications ISO 9001, ISO 14001, RoHS-compliant
Warranty 12 months

Compatible Part Numbers
Samsung MLT-D203
Astrum ASMS203B

Compatible Printer Models
Samsung SL-M4020 / SL-M4020ND / SL-M4020NX
Samsung SL-M4070 / SL-M4070FR / SL-M4070FX

Installation & Care Tips
Power off and unplug the printer before replacing the cartridge.
Open the front cover and remove the spent cartridge; recycle per local guidelines.
Gently rock the ASMS203B cartridge side to side to distribute toner evenly.
Peel off all protective seals avoid touching the toner roller or drum.
Align the cartridge rails with the printer guides and slide in until it clicks securely.
Close the cover, reconnect power, and print a test page to verify installation.
Store unused cartridges upright in a cool, dry place away from direct sunlight; wipe exteriors with a dry, lint-free cloth.

What’s Included
1 × Astrum ASMS203B Compatible Toner Cartridge (Black)
1 × Quick-Start Installation Guide
12-Month Astrum Manufacturer Warranty

Optimize your Samsung SL-M4020/4070 printing with Astrum’s full range of compatible toner cartridges and join our free recycling program me to minimize environmental impact.