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Samsung Electronics
Service Manual
System Overview
3-8
- Main Function Block: Completely Integrated System for Embedded Applications,
32 Bit Risc Architecture, Efficient and Powerful ARM9 CPU
LSU Interface Module for Interfacing PVC with LSU
2 Channel General Purpose DMA Controller for High Speed I/O
Dual Memory Bus Architecture
- Operation Frequency : 150MHz
- Operation Voltage : 3.3V
- POWER ON RESET TIME : 6.6ms below
3.2.1.3 Flash Memory
Store System Program and can be down load System Program through PC Interface
- Capacity : 0.5M Byte
- Access Time : 70 nsec
3.2.1.4 DRAM
When Printing, use Band Buffer, System Working Memory Area .
- 8M capa : 8M Byte basic.
2M :Printing System Working Memory Area
- Access Time : 60 nsec
3.2.1.5 ENGINE
This recording method is electrophography method using LSU, which toner is composed of 1 component
and non magnetic.
1) Recording Method : LSU(Laser Scanning Unit)
2) Printing Speed : 20ppm
(In continuing printing base A4, printing pages from 2nd to last during 1min)
3) Recording Density : 600 dpi 1200 dpi
4) Cassette Capa. : Cassette ; 150sheets(75g Base),
Manual : N/A((DRIVE Selection : Paper, OHP, Envelop - 1 sheet)
5) Paper Size : Cassette ,Manual; Width = 76 ~ 216mm, Length = 125mm ~ 356mm
6) Effective recording size
- A4 : 202 x 291 mm
- Letter : 208 x 273 mm
- Legal : 208 x 350 mm
- Folio : 208 x 325 mm
- Top Margin : 4.23 ° 3 mm
- Left, Right Margin : 4.23 ° 3 mm
7) CRU(Toner Cartridge)Life : 2,000pages Printing(A4, 5% Pattern Printing)
8) First Print Out Time : within 11sec( Standby )
9) Warming up time : within 30sec (Ambient : 25° )