What is a laser printer drum?

What is the drum unit? The drum unit transfers the toner to the paper. The laser printer puts the toner on the roller called “The photosensitive drum” inside the drum unit, and then prints letters and images by fixing toner to the paper by heat and pressure.

What is laser printer simple definition?

Laser printing is an electrostatic digital printing process. It produces high-quality text and graphics (and moderate-quality photographs) by repeatedly passing a laser beam back and forth over a negatively-charged cylinder called a “drum” to define a differentially-charged image.

How does a laser printer drum work?

Within a laser printer, the drum picks up toner and deposits it on the paper. As it spins, a laser changes the charge on the outer coating of the drum in conjunction with the print item it’s producing. These charged areas then attract the specially-made toner particles as they roll past the cartridge.

What does printing drum mean?

The drum unit is an electrically charged cylinder that fuses that toner powder onto paper to create text and images. Both of these components are essential for producing a print.

What happens to a drum unit in a laser printer?

In most cases, the drum unit is still serviceable when the cartridge’s toner supply runs out. Thus, a working drum unit gets disposed with the empty toner cartridge. Function – How Does It Work? The laser printer drum operates as the photo conductive unit which serves as the image processing core.

How does toner work on a printer drum?

The image lines drawn on the drum are created by laser beams, and contain electrical charge. These images become negatively-charged, which lets the positively-charged toner cling to the drum’s surface. These charged lines pick up particles of toner when the drum unit passes over them. This then creates the images and text we see printed out.

How does a laser printer Print on paper?

The printers laser beams your print onto a metal cylinder called a drum. Using static electricity, the drum attracts powdered toner from its cartridge to the drum. The drum rolls the toner onto the paper in the form of your print. The toner is melted onto the paper by heat from a fuser as it passes underneath. Your print comes out of the printer.

What is the purpose of a drum unit?

The printer drum unit is an important print component. Its primary role is to attract the toner particles by way of electrostatic polarities. Also known as image units, the design of the drum vary depending on the printer model and brand.