Controlling The Intensity Of The Scanning Lamp; Outline - Canon NP7160 Service Manual

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C. Controlling the Intensity of the Scanning Lamp

Figure 4-103 shows the circuit used to control the intensity of the scanning lamp, and the

circuit has the following functions:

1. Turning on/off the scanning lamp

2. Controlling the intensity of the scanning lamp

• controlling the light to a specific intensity against fluctuations in power supply voltage

DC controller

Power supply

Figure 4-103

CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)

CHAPTER 4 IMAGE FORMATION SYSTEM

Lamp regulator

Scanning lamp

Thermal fuse

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