| 摘要 |
A laser printer has one circuit board made of paper phenol without heat radiation function and provided outside a frame body, in which two circuits of a semiconductor laser drive circuit and a motor drive circuit are packaged, a motor mounting member having a motor mounting function alone, a flexible cable for connecting the circuit board provided outside the frame body with a motor placed inside the frame body, and a flexible cable for connecting the circuit board provided outside the frame body with a semiconductor laser installed inside the frame body to be angularly adjustable by itself.
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