Canon DADF-M1 Service Manual - page 26
Chapter 2
2-4
2.2 Basic Operation
2.2.1 Routes of Drive
0002-7230
The machine is a document feeder exclusively designed for stream reading mode, and it uses 4 motors and 1 clutch to control the movement of originals.
T-2-1
The following is a diagram of the machine' s routes of drive:
F-2-4
2.2.2 Overview of Operation Modes
0002-7275
MEMO
The machine executes the following 4 types of operation mode, executing individual modes according to the instructions from the host machine for printing. The
following table shows these operation modes, outlines of the modes, and corresponding printing modes:
T-2-2
Name
Description
Pickup motor (M1)
picks up/feed originals
Feed motor (M2)
feeds originals.
Delivery reversal motor (M3)
delivers or reverses originals.
Drive motor (M4)
moves the read roll 1.
Pickup clutch (CL1)
permits or cuts the drive from the pickup motor (M1) to the pickup roller and
the feed roller (drive system).
Operation mode
Outline of operation
Corresponding printing mode
M4
M2
SL2
CL1
M1
Or
iginal detection signal(RE_HP_S)
Or
iginal detection signal(READ_S)
J1A-7
J1A-3
J9-2
J14-3
J2-3
J2-9
J10-2
J2-12
J3-6
J3-9
Loc
k motor dr
iv
e signal
F
eed dr
iv
e signal
Deliv
er
y re
v
ersal motor dr
iv
e signal
Pressure solenoid dr
iv
e signal(R_SOL)
Pic
kup motor dr
iv
e signal
Pic
kup clutch dr
iv
e signal(CLU)
Or
iginal placement signal(EMP_S)
AB/Inch identification signal(A4L
T_S)
LGL identification signal(LG_S)
Registr
ation or
iginal detection
signal(REG_S)
Or
iginal detection signal(BNG_S)
DF co
v
er open/closed
detection signal(CO
VER_SH)
ADF driver PCB
M3