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HP color laserJet 4550 series - Page 106

HP color laserJet 4550 series
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104 Theory of operation C7085-90921
Image formation
The image formation system is the central hub of the printer. During image formation, the color
image is created.
The image formation system consists of the following imaging units:
photosensitive drum cartridge
carousel, laser/scanner
toner cartridges
ITB unit
secondary transfer roller (see Figure 5-2)
A detailed description of the imaging units follows the image formation process.
Figure 5-2 Image formation

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