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  2. Toner refill - Wikipedia

    en.wikipedia.org/wiki/Toner_refill

    This enables the cartridge to be reused, saving the cost of a complete new cartridge and the impact of the waste and disposal of the old one. While toner cartridges are commonly refilled with results reported to be good, in at least some cases refilling without full remanufacturing may leave waste toner from each print and paper debris in the ...

  3. Recycling codes - Wikipedia

    en.wikipedia.org/wiki/Recycling_codes

    Recycling codes on products. Recycling codes are used to identify the materials out of which the item is made, to facilitate easier recycling process.The presence on an item of a recycling code, a chasing arrows logo, or a resin code, is not an automatic indicator that a material is recyclable; it is an explanation of what the item is made of.

  4. Toner (printing) - Wikipedia

    en.wikipedia.org/wiki/Toner_(printing)

    Later copiers, and laser printers from the first 1984 Hewlett-Packard LaserJet, [3] feed directly from a sealed toner cartridge. Laser toner cartridges for use in color copiers and printers come in sets of cyan, magenta, yellow and black , allowing a very large color gamut to be generated by mixing.

  5. Toner cartridge - Wikipedia

    en.wikipedia.org/wiki/Toner_cartridge

    A toner cartridge, also called laser toner, is the consumable component of a laser printer. Toner cartridges contain toner powder, a fine, dry mixture of plastic particles, carbon, and black or other coloring agents that make the actual image on the paper.

  6. Electronic waste recycling - Wikipedia

    en.wikipedia.org/wiki/Electronic_waste_recycling

    Computer monitors are typically packed into low stacks on wooden pallets for recycling and then shrink-wrapped. [1]Electronic waste recycling, electronics recycling, or e-waste recycling is the disassembly and separation of components and raw materials of waste electronics; when referring to specific types of e-waste, the terms like computer recycling or mobile phone recycling may be used.

  7. Electronic waste - Wikipedia

    en.wikipedia.org/wiki/Electronic_waste

    Uncontrolled burning, disassembly, and disposal has led to a number of environmental problems such as groundwater contamination, atmospheric pollution, and water pollution either by immediate discharge or from surface runoff (especially near coastal areas), as well as health problems including occupational safety and health effects among those ...