Overview; Card Reader Part - Epson Stylus PHoto 875DC Service Manual

EPSON Stylus PHOTO 875DC

2.1 Overview

The EPSON Stylus PHOTO 875DC consists of the printer part and card
reader part. The printer part is the same as for the Stylus PHOTO 870. So
this manual only refers to the operating principles of the card reader part.
USB I/F

Card Reader Part

Card Reader Part
C364MAIN C364MAIN
USB HUB
Printer Part Printer Part
C304MAIN C304MAIN
Power Supply Board Power Supply Board
C364PSB/PSE C364PSB/PSE
Figure 2-1. Block Diagram of the Stylus PHOTO 875DC
OPERATING PRINCIPLES
PCMCIA PCMCIA
CPU, ASIC,
Type-II Type-II
RAM, etc.
Panel Board
Panel Board
Printer Printer
Mechanism Mechanism
2.1.1 Card Reader Part
The figure below summarizes the card reader part.
CPU
V831
4Mbit
DRAM
4Mbit Flash
ROM
USB USB Hub
Figure 2-2. Block Diagram for the Card Part
Overview
Card Reader Part Card Reader Part
C364MAIN C364MAIN
EEPROM
MIC2562A
E05B75
ASIC
Printer Part Printer Part
Revision A
PCMCIA
Type-II
PCMCIA-ATA
21