Canon PC-D320, Service Manual

Page: 47 / 214

PC-D320/PC-D340/FAX-L400 Chapter 2: Technical Reference
2-7
2.1 Names and Functions of Parts
1. Paper Guide for PC-D340/FAX-L400 only
This guide is used to hold the document in horizontal direction to prevent it from moving
askew.
2. Pick-up Roller for PC-D340/FAX-L400 only
This roller is used to pick-up a document and feed it to the separation roller.
3. Separation Roller for PC-D340/FAX-L400 only
This roller uses differences in the coefficients of function of the separation guide, document
and separation roller to separate each of the sheets in a multiple-page document.
4. Document Feed Roller for PC-D340/FAX-L400 only
This roller feeds documents to the contact sensor after they are separated by the separation
roller.
5. Contact Sensor
The contact sensor scans the image information from the document, converts it to serial
data, and transmits it to the SCNT board as an electrical signal.
The contact sensor has a scanning resolution of 600 dpi.
6. Document Eject Roller for PC-D340/FAX-L400 only
This roller ejects documents fed from the document feed roller.
7. Document Feed Motor for PC-D340/FAX-L400 only
This motor drives all the rollers in the scanner section.
8. CS Drive Motor
This motor drives the contact sensor.