Canon MultiPASS C5000 Service Manual page 72

Part 7: Facsimile
Names and Functions of Parts
1. Paper Guide
When properly adjusted to the width of the documents, the guide will hold the documents
in the horizontal direction to prewnt them from skewing when fed.
2.
Document Feed Motor
This motor drives all the rollers in the scanner section.
3.
Document Sensor (DS)
This tensor uses an actuator to detect the p~sence of documents to be scanned, and sends
that information to the SCNT board by way of the gate array in the operation panel unit.
4.
Document Stopper
This stopper is located to the side of the separation rollers, and prevents documents from
entering too far inside the scanning section. This stopper is located here to improve
documents.
5.
Separation Guide
Separates the documents to prevent double-feeding.
6.
Document Feed Lever
This lcvcr switches between automatic document feed and manual document feed. Damage
to the document caused by the separation roller can be minimized by switching to the
manual document feed position when sending single sheets such as thick-stock paper or
photographs.
7.
Separation Roller
This roller uses differences in the cocfticirnts of friction of the separation guide, document
and separation roller to separate each of the sheets in a multiple-page document.
6.
Upper Document Feed Roller
When the separation roller starts to rotate, the upper document feed roller raises the
document stopper so that documents can be fed.
9.
Document Edge Sensor (DES)
Using an actuator, the DES detects thr edge of a document ,just before it reaches the
Document Feed Roller
This roller feeds documents to the color contact sensor aftw they are separated by the
separation roller.
This white sheet is used as a whiteness reference when pre-scanning documents.
12. Color contact Sensor
The color contact sensor scans the image data from thca document, converts it to serial datn.
and transmits it to the SCNT board as rlrctricnl signals. The color contact sensor has n
scanning resolution of true 300 dpi ;and outputs Red, Green and
13. Upper Document Eject Roller
Holds the document between the docunvx~i eject rollers, end tlwn cjccts it.
14.
Document Eject Roller
This rollrr
15. Static Eliminator Brush
cjrcts documents fwl from the document feed roller.
Blue nnalug image data
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