Samsung SCX4521F - B/W Laser - All-in-One Service Manual page 32

System Overview
3.4 Sanner Part
600dpi Color CIS Module for Flat bed, SCX-4521F uses the CIS scanning method
1) CIS SPEC
- Scanning size : 216 mm ( width for letter-size)
- Light source : LED
- Scanning sensor: CIS 600/300 dpi
- Scanning mode : Color SCAN / Mono SCAN
- MTF : 30% (300 dpi Chart)
- CIS interface : Analog output
- Power supply : 3.3V
- Clock Frequency: 5MHz max.
- Number of output : 1
- LED Current : Red/Green/Blue : 60mA
- Clamp Level : 1.1V
- Connection : 12 pin FFC connector (pitch 1.0mm)
2) Scan Resolution
(a) Transmission
- Normal : Vertial: 3.85 Line/mm, Horizontal: 8 Pels/mm :203 x 98dpi
- Fine : Vertial: 7.7 Line/mm, Horizontal: 8 Pels/mm :203 x 196dpi
- Super Fine : Vertial: 11.8 Line/mm, Horizontal: 11.8 Pels/mm ;300 x 300dpi
(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 : 1.5 ms/Line
- Fine : 1.5 ms/Line
- Super Fine : 1.5 ms/Line
(b) Copy : 1.5 ms/Line
(c) Scan
- Color : 4.5msec/line
- Gray : 4.5msec/line
- Mono : 4.5msec/line
5) Scanning Width
- MAX SCAN WIDTH : 216 mm (8.5 inches)
- Effective Scan Width: 208mm
6) ADF Motor
(a) Motor Spec
- : 24VDC
- : 0.6A(Peak)
Service Manual
3-10
Samsung Electronics