Canon 1730, Service Manual

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Technical Explanation > Laser Exposure System > Construction > Main Configuration Parts
Technical Explanation > Laser Exposure System > Construction > Main Configuration Parts
Laser Exposure System
Construction
■ Specifications/Controls/Functions
●
Laser light
The number of laser light 4
Output 10mW
Wave length 775nm to 799nm (Infrared laser)
● Scanner motor
Motor type
DC brushless motor
The number of rotation
Approx 36732 rpm / 31715 rpm (2-speed control)
Type of bearing
Oil
● Polygon mirror
The number of facet 6 (Φ40)
● Controls
Synchronous control Main scanning direction synchronous control
Laser intensity control APC control
Others Laser ON/OFF control
Laser scanner motor control
Laser shutter control
T-2-17
T-2-18
T-2-19
T-2-20
■
Main Configuration Parts
[1]
[2] [4]
[3]
Name Function
[1] Laser Unit Emits laser
[2] Polygon mirror Scans the laser light in the main scanning direction
[3] BD mirror Reflects the laser light in the BD PCB direction
[4] BD PCB Generates the BD signa
F-2-56
T-2-21