Names And Functions Of Components; Scanner Unit Assembly; Sensor (Fb Length Aps 1), Sensor (Fb Length Aps 2), Sensor (Fb Length Aps 3); Switch (Adf Closed Interlock) - Lexmark X792 7562-4xx Service Manualv

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Names and functions of components

The sections below describe the functions of main components of the scanner.

Scanner unit assembly

Sensor (FB length APS 1), Sensor (FB length APS 2), Sensor (FB length APS 3)

The document length in the slow scanning direction is detected by a combination of the three reflector sensors.

Switch (ADF closed interlock)

A switch that detects whether the ADF is open and determines the timing of platen document size detection.

Scanner drive motor assembly

A stepping motor that drives the scanner CCD assembly.

Sensor (FB scanner HP)

A sensor that detects the HP position of the flatbed scanner CCD assembly.

Scanner exposure lamp

A Xenon lamp to which the document is exposed.

Scanner controller card assembly

A card that controls the scanner section.

Scanner cooling fan

A fan that prevents overheating of the scanner controller card assembly and exposure lamp.
Cooling fan
Interface card
CCD carriage
H.P. sensor
Motor
Paper length sensor
Diagnostic aids
7562
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