Epson AcuLaser C900 - Controller Board Principles

EPSON AcuLaser C1900/AcuLaser C900 Revision B
Operating Principles Controller Board Operating Principles 118
2.5 Controller Board Operating Principles
<AcuLaser C1900>
PRINCIPAL FEATURES
 PowerPC architecture SPC603ei-300MHz featuring a high cost performance
is employed for the CPU.
 100 MHz system clock
 A maximum of 1 GB memory can be mounted.
 Power consumption is reduced thanks to use of devices operating at low
voltages.
 User interface improved by use of the new type control panel
 USB1.1 mounted
 Compression speed enhanced by CDMC
 DMA transfer of HDD and network data
 EMI reduced by differential operation of video signals
 Cost reduced by reduced circuit board area
The following is the C485MAIN board block diagram.
Figure 2-31. C485MAIN Board Block Diagram (AcuLaser C1900)