Laser Scanning Optical Path - Samsung SL-X7600GX Service Manual

2. Product Specifications and Description

2.7.2. Laser Scanning Optical path

The laser beam from the LSU is placed at intervals of 78mm for each color. All colors uses the same polygon motor for
oblique incidence.
F2 Lens [A] determines the slope of the primary scanning line and the image position of the secondary scanning direction.
This is adjusted at the factory. The primary scanning line slope by the machine difference is adjusted by skew adjustment
in the LSU.
Reflecting mirrors [B] on each color path adjust the curvature of primary scanning. This is adjusted at the factory.
Item
LD Unit
P/Motor speed
Speed
H/W interface
2-52
Specification
Laser Diode : Quad Beam
Driving IC : Dual LD x 8
X7600 : 33,071 rpm
•
X7500 : 27,520 rpm
•
X7400 : 22,087 rpm
•
• X7600 : 280 mm/sec
• X7500 : 233 mm/sec
X7400 : 187 mm/sec
•
Interface with machine : 50 Pin + 60 pin + 8 Pin
Remark
LD x 4 (for each color)
FFC + FFC + Wire
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