Service Manual
System Outline
4-2
3) SDRAM : is used as Swath Buffer in Printing, Scan Buffer in Scanning, ECM Buffer in FAX receiving,
and System Working Memory Area
- size : 64Mbyte(Basic) , 96Mbyte(Duplex)
4MB : System Working Memory Area and Scan Buffer
4MB : FAX Memory Receive Area
16MB : Printing System Working Memory Area
- Max Frequency : 166MHz
- store Fax Receive Memory Data by using Battery
4.1.2 FAX Section
Modem Part
BLOCK DIAGRAM
Implemented by based on Conexant DAA (Data Access Arrangement) Solution, and is roughly composed of
two kinds Chip Solution
- CX86710 (SFX336): Existing Modem Chip which adds SSD (System Side Device) for interfacing between
LSD and DIB of FM336Plus Core
- CX20493 (LSD) : LIU (Line Interface Unit) Chip which is controlled by SSD and satisfies each PSTN
Requirements by modulating internal Configuration with connecting Tel Line.
Содержание 1815 Mono Laser
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