Pickup Unit - Canon imageFORMULA DR-X10C Service Manual

CHAPTER 2 FUNCTION & OPERATION

3. Pickup Unit

An oblique perspective figure of the
pickup unit is shown below and this section
describes its configuration and the "double
feed retry" which is one of the characteristics
of the feed system.
Four motors and 4 rollers are assembled
in the pickup unit. The feed rollers and the
right and left reverse rollers are rotated by a
feed motor. The reverse rollers are used for
double feed retry.
Sensor lever for
pickup roller
Reverse roller (left)
Light guide
Pickup roller
2-16
The sensors for controlling the upper and
lower positions of the pickup and reverse
rollers are mounted on the main drive PCB. A
detection lever is assembled in this unit. In
addition, a long light guide that sends light
from the LED to the light-receiving element to
detect a document on the pickup tray is as-
sembled.
Pickup up/down motor
Feed motor
Feed roller
Reverse roller (right)
Figure 2-303
COPYRIGHT © CANON ELECTRONICS INC. 2008
Pickup motor
Reverse up/down motor
Sensor lever for
reverse roller
CANON DR-X10C FIRST EDITION