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IMPORTANT COMPONENTS OF A COPIER

IMPORTANT COMPONENTS OF A COPIER

A copier would not exist as a whole if not for its components. It is important to learn them to understand how copiers work. This will also improve knowledge of how to handle the photocopiers correctly.

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Here are some of them and their functions:

Photoreceptor drum

If you’re having problems like spots, blank, black lines, and dark copies, then maybe the root cause is the photoreceptor drum.

The metal roller is wrapped in a light-sensitive, photoconductive material. Parts of the drum are selectively charged. Black areas attract toner while white ones don’t. Toner is fused upon the paper and results in a copy.

Lamp/Laser Beams

Lamps or exposure lamps are present in most new and old copiers. The lamp lights up the document that reflects off lenses and mirrors projected to the drum.

Laser beams are like lamps, but they seem like controlled gun lasers that shoot pulses towards the mirror that is also projected to the drum. 

Toner

A toner is not an ink rather a powder. In science, we have learned that the opposite attracts. Since toner is a negatively charged particle, it’s attracted to the positively charged portions of the paper. This results in the final product – a copy.

Paper Cassette

This is also referred to as the paper tray. It is where stacked, or reams of bond papers are held, waiting to be printed on. 

Paper Feed

The paper feed is a piece of rubber that is closely located near the paper cassette. Its function is to take a single paper at a time. The paper is then sent to the printer system, where parts of it are charged positively to attract the toner.

Charge Corona

The charge corona is a part of the drum unit and is a thin wire. This is where electrical charges come from, which will be laid out on the drum. This charge, specifically the positive charge, attracts the toner onto the paper.

Transfer Corona

The transfer corona is the second corona component. Like the charge corona, it is a thin wire which helps to attract the toner onto the paper. Transfer corona is responsible for separating the negatively charged part of the paper from the drum.

Fuser unit

As the name suggests, the fuser unit fuses the toner and the paper. The upper roller is meant to melt the toner plastic. This results in the release of ink while the paper passes across the rollers.

Cleaning unit

The cleaning unit’s function is to clean leftover materials that are within the drum after the image is printed on the paper. A cleaning blade and magnetic roller constitute the cleaning unit. The blade is the one responsible for interacting with the drum to be cleaned.

Charge Coupled Device

The CCD is a component used to convert the scanned document into a digital copy before printing it as a hard copy. It acts as a sensor that depicts the reflected images into charges. This signal is also sent to the electronics as a digitized image for refinement. 

Final Thoughts

Each component plays an important role in getting the job done inside a copier. As they are being used and exposed to the environment, they may encounter certain problems. However, since you are aware of how it works, you’ll be able to deal with them considerably and treat your copier right. 

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