4-25
BJC-1000
Part 4: Technical Reference
4.2 Logic Section
4.2.1 Logic section block diagram
Figure 4-25 Printer Block Diagram
BJ Cartridge
•
Sub-heater
•
Temperature control
heater
•
Rank resistor
Black BJ Cartridge
heater
(64 nozzles)
Color/Photo BJ Cartridge
heater
(Y, M, C each 16 nozzles)
A1-20
AD0-15
8-Mbit
CE
A0-18
D0-15
16MHz
PM
PM
MA0-8
MD0-15
EEPROM
1 Kbit
P86, P93-95
Driver IC
Driver IC
CS0
RES
DRAM
1-Mbit
MA0-8
MD0-15
A0-7
DRAM Bus
I/O1-16
LFA(P64), LFB(P65)
LFA(P66), LFB(P67)
X1
X2
HPS(P40)
RRS(P85)
PES(P41)
Parallel Interface
Printer Temperature
Sensor (TH1)
Reset IC
MPU & Printer Controller
Address Bus A1 to A20
Data Bus AD0 to AD15
ControlROM
Carriage Motor
Paper Feed Motor
Paper End Sensor PS1
Pick-Up Roller Sensor PS2
Home Position Sensor
PA1
CR0-3(P60-63)
ISA(P42)
ISB(P73)
CHSMI(P70)
CRSTB(P83)
P50/AN0
Reset Switch
HDO, HDI, HEAT
SEG1 to 8
COM1 to 8
ID2, HRANK
ID
1
P52/AN2
P34,
P51/AN1,
P72
P35,
P53/AN3
22.11
MHz
XO
XI
Vcc
(+5VDC)
VH
(+27.6VDC)
Logic Board
Bi-Directional
Interface Control
Switch Detection
Mechanism
Control
Carriage Motor
Temp.
Sensor
(
TH1
)
Pick-Up
Roller
Sensor
Paper
End
Sensor
Purge Unit
Paper Feed Roller
MECHANISM SECTION
ELECTRICAL SECTION
Sheet
Feeder
Paper Feed Motor
AC Adapter
AC Inlet
BJ Cartridge
Home Position Sensor
Carriage
RESET Button
Cartridge
Control
J4
J3
J2
J1
J5
Figure 4-24 Logic Board Block Diagram
Содержание Color Bubble Jet BJC-1000 Series
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