Samsung SCX-4521F Series Service Manual page 171

(b) When Copy : Vertial: 11.8 Line/mm, Horizontal: 23.6 Pels/mm :600x300dpi(ADF)
Vertial: 23.6 Line/mm, Horizontal: 23.6 Pels/mm :600x600dpi(Platen)
3) Half Tone (Gray Scale) : 256 Levels
4) Scan Line Time
(a) Tx
▶ Normal
▶ Fine
▶ Super Fine : 1.5 ms/Line
(b) Copy
(c) Scan
▶ Color
▶ Gray
▶ Mono
5) Scanning Width
▶ MAX SCAN WIDTH : 216 mm (8.5 inches)
▶ Effective Scan Width : 208 mm
6) ADF Motor
(a) Motor Spec
▶ 정격전압
▶ 정격전류
7) Motor Driver speed & method
(a) FAX Transmission
▶ Normal Mode
▶ Fine Mode
▶ Super Fine Mode : 667 pps, 2-2
(b) Copy Job : 667 pps, 2-2
▶ max(30sheets) : 50gf
▶ min(1sheets) : 20gf
8) Document Detect sensor
(a) Type
(c) LED
(d) Output
(e) Lever-Sensor DOC
9) Regi Detect sensor
(a) Type
(b) Position
(c) LED
(d) Output
(e) Lever-Sensor DOC
: 1.5 ms/Line
: 1.5 ms/Line
: 1.5 ms/Line
: 4.5msec/line
: 4.5msec/line
: 4.5msec/line
: 2000 pps, 2-2
: 1000 pps, 2-2
- max current
- max voltage
- Logic "H"
- Logic "L"
- max current
- max voltage
- Logic "H"
- Logic "L"
: 24V DC
: 0.6A(Peak)
: Photo interrupt
: 30mA
: 3.3V
: Not Paper
: Paper
: ADF Lower Torsion Spring
: Photo interrupt
: ADF PBA
: 50mA
: 3.3V
: Not Paper
: Paper
: ADF Lower Torsion Spring