Printer Ink and Toner Cartridge Waste (Carbon Black, Heavy Metal Pigments, Cartridge Recycling vs Landfill) — household safety profile
Moderate riskApproximately 375 million ink and toner cartridges are discarded annually in the US, with an estimated 70% going to landfill rather than recycling.
What is this product?
Approximately 375 million ink and toner cartridges are discarded annually in the US, with an estimated 70% going to landfill rather than recycling. Toner powder is primarily carbon black (IARC Group 2B, possible carcinogen) at 5-10 micron particle size — respirable during cartridge replacement and refilling. Color toner and inkjet pigments may contain heavy metals: azo pigments (some release carcinogenic amines), copper phthalocyanine (blue/green), and iron oxide (yellow/red). Laser printer operation emits ultrafine particles (UFPs) at 10-300 nm — a 2020 Queensland University of Technology meta-analysis found laser printers emit UFPs comparable in number concentration to outdoor traffic. Office workers near laser printers have higher UFP exposure than those seated farther away. A single toner cartridge contains 100-300g of plastic (ABS/PS blend) and takes 450-1000 years to decompose in landfill. Cartridge refill programs (HP Planet Partners, Canon Return) exist but participation rates remain below 30%.
What's in it
Click any compound name for its full safety profile, regulatory consensus, and exposure data.
Pigment Component
Cartridge Plastic
Frequently asked questions
No FAQs generated.
Look up Printer Ink and Toner Cartridge Waste (Carbon Black, Heavy Metal Pigments, Cartridge Recycling vs Landfill) in the home app
Search by ingredient, browse by category, or compare to alternatives in the live app.
Open in home View raw API dataReference data, not professional advice. Aggregates publicly available regulatory and scientific information. Why we built ALETHEIA →