Ld Drive Board; Mechanism - Ricoh MP C2504 Field Service Manual

7. Detailed Descriptions
No.
1 LD drive board (M/Y)
2 LD drive board (Bk/C)
3 Cylinder lens (Bk/C)

Mechanism

LD Drive Board

The LD Unit is provided with two LD drive board. The beam system is a 1 beam type.
The LD drive board comprises an LD (laser diode), PD (photodiode) and LD control unit.
• The LD outputs the laser light to the PCU.
• The PD continuously detects laser light from LD, and outputs it to the LD control unit.
1116
Description No. Description
4 Synchronizing detector board: Bk/C-S
5 Synchronizing detector board: M/Y-S
6 Cylinder lens (M/Y)