Service manual

1-1
CHAPTER 1 CONFIGURATION
I. SYSTEM CONFIGURATION
RFID
EEP
ROM
K LED HEAD
Y LED HEAD
M LED HEAD
C LED HEAD
Operator panel PCB
Toner sensor PCB
High-voltage PCB
Low-voltage PCB
ARMORED CPU
Paper feed
solenoid
Front sensor PCB
DUPLEX PCB 2nd TRAYPCB
IN1 IN2 WR
M
ID
M
HOP
M
IDUP
M
FUSER
M
BELT
1st
P. E
sensor
Belt unit
PUPCB
Junction PCB
Fuser
Unit
Inlet
EXIT
sensor
Density
sensor
Color
registration
PCB right
Belt unit
fuse-cut
Fuser fuse-cut,
UP&LOW thermistor/frame
thermistor
Belt unit
fuse-cut,
EXIT
Color drift, density,
thermistor signal
20MHz
FLASH
8Mbit
High-voltage I/F,
fan control, cover-open
FAN heater control,
others
5V,24V, 0VL,0VP
EEPROM
K-ID
Y-ID M-ID C-ID
Low-
voltage
FAN
AC-SW
Fuser
fan
Belt
thermi-
stor
ID UP/
DOWN
Cover-
open
sensor
K toner
sensor
Y toner
sensor
M toner
sensor
C toner
sensor
ID
fuse-cut
CC1
ASIC
CIF2
ASIC
HDDLAN USB
CUPCB
Flash
ROM
Option
RAM
LEISUS
command I/F
Environment
sensor
DCON I/F LSYNC
CU
FAN
CPU
Color
registration
PCB left