Canon imageFORMULA DR-X10C Service Manual

Also see for DR-X10C - imageFORMULA - Document Scanner: Brochure & specs Brochure & specs Pocket guide User manual Pocket guide

Contents

COPYRIGHT © CANON ELECTRONICS INC. 2008 CANON DR-X10C FIRST EDITION 2-15CHAPTER 2 FUNCTION & OPERATION2. Pickup Tray ElevationThe maximum loading capacity of thismachine is 500 sheets of ordinary copy paper.If the standby position of the pickup tray is atthe lower position suitable for the maximumloading capacity, waiting time until the pickuptray rises to the pickup position increaseswhen a few documents are scanned.A function that can set the standby posi-tion to 3 levels (up, middle, down) accordingto the number of documents to be scannedhas been added.An oblique perspective figure of the trayelevation drive section is shown below andthis section describes the elevation operation.First, the drive shaft {2 is rotated by the traymotor {1 . When the drive shaft rotates, theright and left elevating guides {3 go up anddown. Since the right and left elevating guidesare mounted on the pickup tray {4 , the pickuptray goes up and down.Tray motorRetard roller drive sectionElevating guide (right)Elevating guide(left)Tray detection PCBPickup trayDrive shaftTray elevation drive sectionFigure 2-301Then, an oblique perspective figure of thetray position detection section is shown belowand this section describes how to set thestandby position in 3 levels. One LED {2 and3 light-receiving elements {3 are mountedon the tray detection PCB {1 . The light guide{5 that sends light from the LED to thelight-receiving element is assembled on thepickup tray {4 . The LED is at the same heightas the lower light-receiving element. Thelower light-receiving element is designed fordetecting the tray position and documents,and others are designed for detecting docu-ments.When the pickup tray is at the lower po-sition, light from the LED is detected by thelower light-receiving element through the lightguide. This position is the home position of thepickup tray. The middle and upper positionsare controlled with the number of input pulsesof the tray motor based on the home position.Light-receivingelementTray detectionPCBPickup trayLight guideLEDTray position detection sectionFigure 2-302