Canon FY8-13FW-000DADF-A1 Service Manual page 58

CHAPTER 2 BASIC OPERATION
2. Relationship Between the Pick-UP Motor Drive Signal (SMON), Pick-Up Motor
Rotation Direction Signal (SDIR), and Pick-Up Motor Rotation Speed Control
Signal (SMPWM) and the Operation of the Pick-Up Roller
Belt motor drive
signal (SMON) rotation direction
"1"
"1"
"1"
"1"
"0"
2-44
COPYRIGHT © 1998 CANON INC.
Belt motor Belt motor rotation
speed control signal
signal(SDIR)
"1"
"1"
"0"
"0"
"1" / "0"
Table 2-207
CANON DADF-A1 REV.0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
(SMPWM)
The pick-up roller rotates in copier
Pulses mode pick-up direction
(counterclockwise).
The pick-upper roll rotates by
"0" inertia in copier mode pick-up
direction.
The pick-up roll rotates in fax
Pulses mode pick-up direction
(clockwise).
The pick-upper roller rotates by
"0" inertia in fax mode pick-up
direction (clockwise).c
"1" / "0" The pick-up roller stops.
Pick-up roller operation