Operation Manual

1. OVERVIEW
1.1 Printer Block Diagram
4-1
BJC-7100
Part 4: Technical Reference
Figure 4-1 Printer Block Diagram
CNHED 1CNLF
CNPWR
CNIF
CNPGS CNCRCNHED 2
EEPROM DRAM
MPU
Vcc (+5VDC)
VH (+20VDC)
VM (+27.6VDC)
I/F
Paper Feed Motor
Carriage Motor
Purge Unit
• Purge Sensor
Carriage (left) Carriage (right)
• Black
BJ Cartridge
• Home Position
Sensor
• Color/Photo
BJ Cartridge
• Ink-out Detection
Circuit
Paper Feed
Motor Driver
AC Adapter
Paper-end
Sensor
Pickup Roller
Sensor
Control
Buttons
Reset
Circuit
Control ROM
Printer
Controller
Carriage Motor
Driver
Indicator