Epson EPL-N3000 - Operating Principles of Electric Circuitry; Operation Overview of the Main Control Circuit Board

EPSON EPL-N3000/AcuLaser M4000N Revision C
Operating Principles Operating Principles of Electric Circuitry 61
Confidential
2.7 Operating Principles of Electric Circuitry
2.7.1 Operation Overview of the Main Control Circuit
Board
EPL-N3000 (C554MAIN)
As compared to the EPL-N2050, the EPL-N3000 has been increased in engine speed to
enhance the total throughput, and configured on the basis of the EPL-N2500 controller
to reduce costs.
 Features
 Engine specifications: A3, monochrome, 600 dpi
(No 1200 dpi mode)
 Enhanced engine speed: 34 ppm
 Price-reduced CPU: Toshiba TMPR4955BFG 300 MHz
 Totally improved ASIC: Memory control and I/O control integrated
ASIC: DLC
 Data bus clock: 66.7 MHz
 Standard memory: ROM:16 MB
RAM:64 MB
 Control panel: With LCD With back light
 Standard interface: Parallel interface
USB1.1 (USB2.0FS)
Ethernet
 Optional interface TypeB
 Hard disk (IDE): Available as option. Controlled by the
external PLD (IDEC).
Figure 2-37. C554MAIN Block Diagram (EPL-N3000)
C H E C K
P O I N T
The jumper setting varies with intended markets.