Laser Scanning Optical Path - Samsung MultiXpress M537x series Service Manual

2.7.2. Laser Scanning Optical path

The laser beam is emitted directly from a polygon motor [A] to OPC [D]. F1 Lens [B] and F2 Lens [C] determine the
scanning line and image position. This is adjusted at the factory.
The LSU has 2 types depending on printing speed. The difference between 2 types is shown in the table below.
LD Unit
P/Motor speed
Process Speed
H/W interface
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M4370
Laser Diode : Dual Beam
•
Driving IC for Dual LD
•
33,598.8 rpm
284.47 mm/sec
Harness : 20 Pin (Interface with set)
2. Product Specifications and Description
M5370
Laser Diode : Quad Beam
•
Driving IC for Quad LD
•
20,532.9 rpm
347.69 mm/sec
Harness : 32 Pin (Interface with set)
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