HP 4550 Service Manual - Page 106
Image formation, toner cartridges
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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 104 Theory of operation C7085-90921
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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