Oki C911 Maintenance Manual page 135

Oki Data CONFIDENTIAL
Second side fuse interrelation
N36100A etc
F1Y Rev2
OFF/ON
Soft SW
R8C-CPU
SUBPWRON-P
PS_ON#
5V +5V
5V DC-DC
24V +24V DC-DC
24V
DC-DC
MAIN Power
5VS +5VS +3.3VS
5VS
FET DC-DC
+5VS0 +5VSF
SUB Power +1.2VS
DC-DC
+1.5VS
DC-DC
F6/ 2A
Power control signal
Always ON
Exept OFF MODE is ON
Expept OFF MODE and
DeepSleep is ON
F2/ 3A
Power of after the 24VFuse
+5VF2
Power of after the 5V,3.3VFuse
5V/5VS
shift +5VCPU
DC-DC
circuit
F13/ 2A
:Fire prevention enclosure
+5VSF2 DC-DC
DC-DC
LPS Limitting Componets
LDO
Notes)Importance parts of safety
is in the fuse only, and other
fuse exist for maintenance.
F20/ 1A
F17/ 2A
45530603TH Rev.2
AUTOOFF_OK-P
OFFMODE-P
POWERSAVE-N
+3.3V +3.3V
CE1
+1.2V +1.2V
Master
+1.5V +1.5V
+3.3VS
+1.2VS
+1.5VS
+1.5VS
+5VF
DDR3
VREF
REG
+3.3VS
SPI ROM
+3.3VS
G-LAN
+1.2V_LAN PHY
DC-DC
(REALTEK)
HEAD
F25/ 0.5A
C,M,Y,K
+3.3VHEAD
+3.3V
CU EEP
+3.3V
PU EEP
+3.3V
EMF
+1.8V Main
LDO
F1X PCB
+3.3VFU
DC-DC
CE1
+1.2V
Slave
DC-DC
DC-DC
+1.5V
DDR3
VREF
REG
HEAD
F1/ 0.5A
+3.3VHEAD
W or CL
+3.3V
EMF
Sub
+1.8V
LDO
+0.9VCPU +0.9VCPU
+1.1VCPU +1.1VCPU
+1.5VCPU +1.5VCPU
CPU
+1.8VCPU +1.8VCPU
+3.3VS
+1.5VCPU
VREF DDR3
REG
SO-DIMM
+3.3VS
+3.3VS
NAND
+5VFF +5V_USB
BUS SW HOST USB
+5VFG +5V_SATA
F23/ 1A
+5VFL
F22/ 1A
+3.3VFE
PORT
Mycom
+3.3VD
TR
Fuser Halogen ON circuit
PU 3.3V
PU 5V(OPE AMP etc)
F16/ 0.5A
+5VPS +5VPSN
TR
F8/ 1A
+5VPSO
F19/ 0.5A
+5VPSP
F cover OP/IDup sensor
Pull up
F12/ 1.5A
+24VFUC
Low voltage MAIN power
F14/ 2A
+24VFUD
HOP
MD
M
FUS
+24VPS
TR M
F9/ 3A
+24VFUH
BLT
M
F11/ 2A
+24VFUE
FED
FET MD
M
+24VFEDM2 +24VFEDM
GRD
M
F10/ 3A
+24VFUF
F15/ 1A
+5VFA
5VREG
Paper thickness sensor power
F1T-2(OPTRAY)2ndTRAY
F5/ 4A
+24VFUA F501/ 2A
MD
F1/ 1A F502/ 0.5A
+5VFB
TR
F7/ 2A
+24VFUG
FET
SATA
OPE
(Color LCD)
LCD
0.5A
F1T-1(DUPLEX)
+3.3VFG
LDO Environmental Sensor
F3/ 2.5A
F501/ 2A
+24VFUB
+VCC_SNS
FET
F502/ 0.5A
F4/ 1A
+5VFC
Pull up
F18/ 1A
+3.3VFT
F21/ 2A +5VFD
F24/ 1A
TR
+5VPS3
+5VFH
4. TROUBLESHOOTING PROCEDURE
F1D
+24V
RFID
TC cover OP sensor
+5VFD
TR
+3.3VFT
PUFAN
F1H board(Head relay)
CUFAN
F501/ 3A HEAD Spot
+5VF1
HEAD Y
+5V
HEAD M
F502/ 3A
+5VF2 HEAD C
HEAD K
+24VFUC
MPTCOV
SW
LCOVOP
SW
High voltage PCB
F501_2A
FCOVOP
SW
Low voltage FAN
GRD
M
HOP
CL
REG
CL
HOP
M
Paper size sensor
F1K(Cassette sensor relay)
IN1 sensor
LIFT UP
HOP sensor
Paper near end
Paper end sensor
Side cover open
F1T-2(OPTRAY)
3rdTRAY
F1L(Rail unit relay)
F502/ 1.5A
+24VFUG
External LED
SEP
SOL
F502/ 0.5A
+5VPS2
DUP
MD
M1
DUP
MD
M2
DUPFAN
DUP-R sensor
BOTTOM sensor
DUPCOVER
ID
Motor
ID
F2/ 3A +24VFA
SOL
Spot color
+24VFB3
F33/ 2A
duct SW
Spot
F31/ 3A
color
+24VFB1 Toner Toner
Motor
Motor C Motor K
F32/ 3A
+24VFB2 Toner Toner
Motor Y Motor M
F4/ 0.5A
+24VFC
Discharging light
+24VFD JOB
F5/ 2A
MD
OFF
ID intake FAN x5
F6/ 2A +24VFE
Fuser Exhaust FANx2
Fuser intake FAN
F1/ 0.5A
+5VFA
ID U/D sensor
Toner low sensor
Toner motor sensor
+5VFB
EXIT2 sensor
F7/ 0.5A
EXIT3 sensor
JOBOFF home sensor
FD stacker full sensor
P-UP FU stacker open sensor
P-UP EXIT cover sensor
REG
1CL
REG
2CL
DUP
HOP
CL
HOP
CL
IN2 sensor
IN3 sensor
Color registration sensor L WR sensor
Color registration sensor R
Color Misregistration Shutter Sensor
Waste toner full sensor
Waste toner box sensor 5VPS sensor
Connector:6
Paper thickness sensor
Paper size switch
F1K(Cassette sensor relay)
IN1 sensor
LIFT UP
HOP sensor
Paper near end
Side cover open
Paper end sensor
F1S(MPT relay)
MPT
HOP
CL
MPT home sensor
MPTHOP sensor
MPT paper near end sensor
MPT paper width sensor
MPT paper end sensor
TR2
MD
MOV
DUP
SEP
SOL
FU
SOL
TR2 position sensor
Fuser IN sensor
Fuser release sensor
EXIT1 sensor 5VPS2 sensor : 6
DUPF sensor
DUPIN sensor
FU stacker full sensor
FUSER thermistor
FINISHER
4-90