Exposure Components Section - Minolta CF910 Service Manual

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1154SBM0903A

Exposure Components Section

1. Exposure Lamp LA1

• Exposure Lamp LA1 uses a DC power supply to emit an even amount of light.

• It is a halogen frost lamp that works in combination with the Edge Reflectors to ensure

uniform light distribution.

2. Main and Auxiliary Reflectors

• The Main and Auxiliary Reflectors are laid out to correct any deviation in condensing of

the LA1 light that may result from LA1 positioned eccentrically or improperly.

• The illumination distribution in the sub-scanning direction on the surface of the original is

made flat over a ±1-mm width with reference to the G chip.

3. IR Section Thermostat TS3

• This thermostat forces the circuit to be shut down as soon as it detects

120 ± 5 °C or more as a result of LA1 turning ON abnormally.

Auxiliary Reflector

Edge Reflector

Main Reflector

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