Monday, November 12, 2012

How laser printer works?

Toner and the Drum

When a laser printer starts a print job, the first thing it does is apply a positive electrical charge to the drum unit. Afterwards, the laser system ‘writes’ the page image onto the drum with a negative charge, creating an electric “virtual negative” of the image.
The Toner The drum unit rotates, and as the image is written on it, it picks up toner, the laser printer equivalent of ink. The toner is positively charged, and so it sticks to the image that the laser drew. The paper presses against the drum, and receives the toner image.

The Fuser
When the paper first picks up the toner, the image is not set. Toner is a dry, dusty material, and it the electric charge cannot hold it strongly to the paper. In order to make the image permanent, the paper runs through the fuser, which heats it, and melts the toner onto the page. The paper exits the printer, and you have your print out.
How does a laser printer work with the toner?
The image below shows you how a laser printer works in conjuction with your toner cartridge. After you send a document to print - the paper travels through the printer, past the drum, toner and fuser unit and ends up as a printed page of text or graphics.


Courtesy:http://www.zinetic.co.uk

Hardwork Can Never Ever Fails..
Best Luck..

12 comments:

  1. Fuser rarely goes off but sometimes due to overheating it bursts. Good post and it is very good to learn about printer service through post like these. Thank you.

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  3. I was curious about laser printer working process and got the proper information from your article.I have been using Canon printer but unfortunately I faced Canon Printer Error 5200 in my windows 10 system.My system had no antivirus and I thought it was viruses problem.Then I installed avast antivirus but still appear same issue.If anyone has solution then suggest to me.

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  5. The discovery of printer has made our paper work so so easy and qualitative. I was very happy to find me into this tech educative post. Considering the printing quality, laser printer can produce high quality print. It's true that we use it but don't know or think how it works. diving the deep into the details I got some learning points which was really useful. BTW I was inclined to know about the laser marking technology and just a few moments back I visited a site heatsign.com. I am inserting here because someone here might find it helpful. Finally I would like to leave my thanks to you for this wonderful post.

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