What is a Copier Developer?

What is a Copier Developer? thumbnail
Copiers use developer to create an image.

Developer is a powder usually made up of iron fragments. In a copier or laser printer, developer is used in conjunction with toner to print an image.

  1. Contents

    • Developer is made of magnetic ferrite or tiny fragments of iron. These materials are chosen because they are conductive, and the copier process works by using static electricity.

    Developer Application

    • Copiers communicate where the ink needs to go using static electricity and photo-conductivity. The copier creates an image using static electricity. It then spreads developer on the paper, and the developer only sticks to the parts that are charged with static.

    Toner Application

    • The areas of the page coated with developer have an electrical charge. The toner sticks to these areas, creating a printed image. Heat is used to permanently bond the toner to the paper.

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References

  • Photo Credit copy machine image by Mat Hayward from Fotolia.com

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