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PRINTER 3000 304 995 - 01

PRINTER MODEL-L1

          

（

G191

）

SERVICE MANUAL

TECHNICAL DOCUMENT

エラー

スタイルが定義されていません。

6 September 2005

1-4

1.2.3 LASER EXPOSURE

Overview

Laser Unit Layout

A : Laser Diode Unit F : Laser Synchronization Detector

B : Polygon Mirror Motor G : Cylindrical Lens

C : F-theta Lens H : Synchronization Detector Lens

D : First Mirror J : Shutter

E : Second Mirror

This machine uses a laser diode to produce an electrostatic latent image on the

OPC drum. The laser diode unit converts image data into laser pulses, and the

optical components direct these pulses to the OPC drum.

As a mechanical safety feature, the shutter [J] closes to block the laser beam path

whenever the front door is opened.

G182D004.WMF

[A]

[B]

[C]

[D]

[E]

[F]

[G]

[H]

[J]

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