Scanner System; Scanner System Overview - Samsung SL-X7600GX Service Manual

A3 color copier

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2. Product Specifications and Description

2.9. Scanner System

This section describes the printer scanner system parts and functions.

The scanner is used to scan the document on the Platen Glass and/or using the ADF [Slit Glass Area] using a CCD(Charge

Coupled Device). It then transfers the converted digital image and to the printer engine where it is converted to a Bitmap

Image and printed.

The scanner itself uses FR carriage and HR carriage that is moved by a drive cable, and it scans the original document on

the scan platen glass or ADF(Auto Document Feeder).

The scanner system consists of 3 modules following below.

FR(Full Rate) carriage: Illuminates the original and reflects the light at a 90 degree angle.

HR(Half Rate) carriage: Transfers the reflected light from the FR carriage to the lens.

Imaging module: Make an image on CCD

HR carriage moves at half distance and half speed of FR carriage. This principle keeps a regular gap between the original

and imaging lens.

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