2.1 Main Components and Functions
33
No.
Name
Description
1
Fuser unit
Fuses toner onto paper by means of heat and pressure.
Important
• Do not touch the fuser unit while the printer is in operation. The fuser unit
becomes very hot during printing.
2
Drum cartridge
Consists of a photosensitive drum (drum) and a development unit. An electric
charge is first projected on the drum and develops a print image on the drum's
surface.
3
Belt unit
The toner affixed to the belt unit is transferred onto the paper.
4
Toner cartridges
Each contains toner of one of four colors: black, yellow, magenta, and cyan.
Interior