A photocopier makes duplicate copies of a physical document without being connected to a computer network. The primary function of a photocopier is to make a paper copy of a document. Most modern photocopiers use laser technology to do this, using an electrical charge to transfer toner to a piece of paper to create an image. The entire process can be explained in the video below.
Photocopiers can be either full-color or monoprint (black and white) and both types are suitable for different situations. For example, an estate agent listing lots of homes for their storefront needs to use high-quality color printing to make their ads look as good as possible, whereas they don't need internal, non-client-facing documents. To be a work of art, so they can be printed as mono.
To start the photocopy process in the photocopy machine, the top cover of the photocopy machine is opened. The master copy is placed face-down in the photocopy machine, where a bright light beam will scan the entire document. White areas of the paper reflect more light, while black areas reflect little or no light. As a result, an electric shadow of the photocopy is formed on the photoconductor. As a result, the negatively charged toner patches adhere to the electric shadow and an ink print of the master copy is produced on the conveyor belt.
A blank paper is fed into the photocopier from the other side of the photocopier, moving idly onto the photoconductor belt. As it impacts the conveyor belt, a strong positive charge is communicated. The strong positive demand on the blank paper pulls the negatively charged toner patches towards themselves. Accordingly, a duplicate image of the master copy is made on blank paper.
Finally, just before the paper is stuck, a fuser unit (a pair of hot breakers) toasts and supplies pressure, so the toner patches are permanently attached/fused to the paper. As a result, a freshly extracted duplicate copy is relatively warm to the touch.
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