Specifications

Block Diagram
Service Manual
9-1
9
9
9. Block Diagram
MHV
+5V/ +12V +24V +24VS
INLET &
POWER S/W
PAPER EMPTY
SENSOR
EXIT SENSOR
MP EMPTY
SENSOR
FEED SENSOR
COVER S/W
AC PWR
SUPPLY
DEV
THV
OPC GND
SPGPm
ARM946ES
CACHE(16K*2)
SDRAM Control
ROM Control
DMA Control
PVC
GEU/HCT/gCOD
EC
I/O I/F
Engine Control
IEEE128 4/U SB 2.0
MAIN MOTOR
DRIVER
A3977S LR
Reset
THERM
26P
2P
MODEM SFM336
33.6KBP
AUDIO Drv.
2P
600 DPI, COLOR CCD
MAIN MOTOR
FLATEN MOTOR
FAST SRAM
(128 KByte)
CIP4
Image Processer
AFE I/F
I/O PORT
Motor Control
DMA Control
RTC
JBIG Codec
CIP4 AFE
FLATEN
MOTOR
DRIVER
TEA3718 X 2EA
CCD DRIVING
PART
USB 2.0
NETWORK
ADF UNIT
P-REGI, P-DET, P-POS
SENSOR
ADF MOTOR DRIVER
TEA3718 X 2EA
FLAT COVER SENSOR
LCD, 16*2 LINES
14P
3P
FUSER
2P
FAN
2P
NETWORK INTERFACE CARD
SCF(Option)
BootROM
(1MBX2ea or 2MBX2ea)
ME MO RY DI MM
Smart DAA
CX20493
PS3 / PCL6 DIMM(SEC)
SRAM
(1 28KByte) or
Not Used
SDRAM(16MB or 32MB)
DRAM Backup logic
PCL6(2MB x 2ea)
PS3(2MB x 2ea) : DELL
3P
LINE
EXT. PHONE
LSU
11P
PTL
DEV_FUSE
MAIN CLUTCH
2P 2P
3P
MP CLUTCH
4P
TONER RX
CARIDGE INFO.
.
TONER TX
4P 3P 4P
AC 110V/220V
MICOM LCD/LED Drive Key Scan
OPE
MAIN
SMPS
HVPS