HP LaserJet M1120 Service Manual - Page 55
Engine control system
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Engine control system The engine control system coordinates all of the product functions, according to commands sent from the formatter. It drives the laser/scanner system, the image-formation system, and the pickup/feed/ delivery system. The engine control system contains the following components: ● DC controller ● Low-voltage power supply ● High-voltage power supply ● Fusing control Figure 4-5 Engine control system ENGINE CONTROL SYSTEM DC controller LASER/SCANNER SYSTEM Formatter Low-voltage power supply High-voltage power supply Fixing control IMAGE-FORMATION SYSTEM PICKUP-AND-FEED SYSTEM ENWW Engine control system 39
Engine control system
The engine control system coordinates all of the product functions, according to commands sent from
the formatter. It drives the laser/scanner system, the image-formation system, and the pickup/feed/
delivery system.
The engine control system contains the following components:
●
DC controller
●
Low-voltage power supply
●
High-voltage power supply
●
Fusing control
Figure 4-5
Engine control system
PICKUP-AND-FEED SYSTEM
ENGINE CONTROL SYSTEM
DC controller
LASER/SCANNER SYSTEM
IMAGE-FORMATION SYSTEM
Formatter
High-voltage power supply
Low-voltage power supply
Fixing control
ENWW
Engine control system
39