Oki C911 Maintenance Manual

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

Oki C911 Specifications

General

Brand	Oki
Model	C911
Category	Printer
Language	English