Image-formation system
The image-formation system forms a toner image on media. The product includes four toner cartridges
that contain the toner. Toner is applied in the following order, using only the colors necessary for a
specific image: yellow (Y), magenta (M), cyan (C), and black (K).
Figure 1-8 Image-formation system
DC controller
Photosensitive drum
MCYK
High-voltage power supply
Fuser
Laser scanner assembly
T1 pad
ITB
Cartridge
T2 roller
Image-formation process
Laser printing requires the interaction of several different technologies including electronics, optics, and
electrographics to provide a printed page. Each process functions independently and must be
coordinated with the other processes. Image formation consists of the following processes:
●
Latent-image formation
●
Development
●
Transfer
10 Chapter 1 Theory of operation ENWW
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