HP LaserJet Pro MFP M521 - Page 18

Basic operation
Major systems
The product contains the following systems:
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Engine-control system
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Laser/scanner system
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Image-formation system
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Paper feed system
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Option
Product block diagram
Figure 1-1 Product block diagram
MEDIA FEED SYSTEM
LASER SCANNER SYSTEM
ENGINE CONTROL SYSTEM
IMAGE-FORMATION SYSTEM
OPTION
2 Chapter 1 Theory of operation ENWW