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Appendix 1. Engine Block Diagram
SIZE-SW
FAN
DC
PCB
B48K140
PAPER FEED DRIVE PCB
B48K139
LD DRIVE PCB
B48K165 (HL-1260e)
B48K253 (HL-1660)
SCANNER UNIT
HL-1660 only
HIGH
VOLTAGE
POWER
SUPPLY
ASSY
B48K186
OPTION UNIT
I/L SW
MAIN PCB
B48K234 (HL-1260e)
B48K259 (HL-1660)
ENGINE PARTVIDEO PART
FAN
DC
MIO
RELAY
(
CONNECTOR
)
PCB
B48K235
16X1
LCD MODULE
PANEL PCB
B48K143
FUSER UNIT
FUSER PCB
B48K142
AC IN
MP TRAY
PICK-UP
SOLENOID
PICK
UP
MOTOR
TRAY1
PICK-UP
SOLENOID
P1
6
2
25
P3P4P2
5
P1
DU-PD
SENSOR
MP-PE
SENSOR
T1-PE
SENSOR
TAIL
SENSOR
REGIST
SENSOR
MOTOR&CLUTCH
DRIVER
P5
20
20
P3
65
P9P10
2
P19
6
5
P1
SCANNER
MOTOR
DRIVER
SCAN
MOTOR
16
P4
P6
8
16
8
MAIN
MOTOR
4
P7
3
P12
21
P1
P5P2
P13P8
RISC
CPU
P11
4
P4
8
5V 5VB
24V 24VB
ENGINE
CPU
48
P14
48 P16
48
P17
48
MIO
BOARD
MIO
INTERFACE
RS232C
INTERFACE
CDCC
INTERFACE
COMPUTER
IC CARD
OR
FONT
CARTRIDGE
10
P2
21
P1
2
P1
4
P2
EJECT
SENSOR
THERM-
ISTOR
THERMO
STAT
HEATER
2
P1
INLET
POWER
SW
LAMP
DRIVER
8
P3
4
P15
LOW
VOLTAGE
POWER
SUPPLY
ASSY
A-1