Samsung Electronics
6-23
6-1-6-3. LF (LINE FEED) MOTOR DRIVING CIRCUIT
LF motor is driven to feed and eject documents and paper.
- Motor Type: stepper motor, bi-polar
- Driving Voltage : +30V
- Winding Resistance : 12
Ω
± 10%
- Driving IC : PBL3717A
×
2
6-1-6-4. TX(TRANSMISSION) MOTOR DRIVING CIRCUIT
TX Motor is driven at maximum 1200pps when feeding or ejecting sheets.
- Motor Type: stepper motor
- Driving Voltage : +30V
- Winding Resistance : 4.6
Ω
± 10%
- Step Degree : 7.5 deg/step
- Driving IC : PBL3717A
×
2
L F I A 1
L F I A 0
C U R R E N T ( m A )
O P E R AT I O N
R E M A R K
L
L
6 7 0
When feeding document/paper
L
H
4 0 0
When ejecting document/paper
X
H
0
No current
T X I A 1
T X I A 0
C U R R E N T ( m A )
O P E R AT I O N
R E M A R K
L
L
6 7 0
Quick Scan/Fine/Super Fine
H
L
2 2 1
S t a n d b y
H
H
0
I d l e
MODE
PHASE
S P E E D
R E M A R K
Quick Scan
2–2 phase
1 2 0 0 p p s
F i n e
1–2 phase
4 0 0 p p s
Super Fine
2–2 phase
4 0 0 p p s
Driving speed for each mode
Содержание SF4500
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