Laser Exposure System; Construction; Specifications/Controls/Functions; Main Configuration Parts - Canon imageRUNNER 1750 Series Service Manual

2
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
2 Technical Explanation > Laser Exposure System > Construction > Main Configuration Parts

■ Main Configuration Parts

[1]
T-2-17
T-2-18
T-2-19
[1] Laser Unit
[2] Polygon mirror
[3] BD mirror
[4] BD PCB
T-2-20
[3]
[2] [4]
Name Function
Emits laser
Scans the laser light in the main scanning direction
Reflects the laser light in the BD PCB direction
Generates the BD signa
2-34
F-2-56
T-2-21
2-34