User manual
98.05.08.09.00
Color LaserWriter 12/600 PS Troubleshooting 2–8
1
2
3
4
5
6
7
8
9
10
11
12
13
13
12
11
10
9
8
7
6
5
4
3
2
1
LEDON
GND
ATTSNS
/GRIPON
24VA
LEDON
GND
SEPSNS
/SEPON
24VA
TOPREG
GND
5V
5
4
3
2
1
1
2
3
4
5
3
2
1
2
1
1
2
3
2
1
2
1
1
2
3
2
1
LEDON
GND
ATTSNS
/GRIPON
24VA
1
2
3
4
5
6
7
8
9
10
11
12
13
LEDON
GND
SEPSNS
/SEPON
24VA
TOPREG
GND
5V
J42M J42F
SL
SL
J46
J47F J47M
J44
J45F
J45M
J43
Transfer Drum Assy
J501(R)
FFC 15P(1.25mm)
J103(S)
J104
13
J<13..1>
J105
J106 J107 J114 J109J113 J108(S)
J101
7
K<7..1>
L<6..1>
6
J804
FFC 37P(1.25mm)
FFC 39P(1.25mm)
1
2
3
6
5
4
3
2
1
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
12
11
10
9
8
7
6
5
4
3
2
1
5
4
3
2
1
J851
1
2
3
4
5
6
7
8
/DSPEN
5V
GND
/SDI
/SDO
/DSCK
/LCK
/TST2
/CSIZE3
/CSIZE2
/CSIZE1
GND
HTSNS
GND
LEDON
1
2
3
4
1
2
3
Ejection
Sensing Board
J1601
J632
J631
2
1
SNS.
1
2
LED
GND
J633
LED
Waste Toner
Sensor
PS12
CSW3
CSW2
CSW1
4
3
2
1
1
2
3
4
Cassette
Size-Sensing
Switch Board
J312
J1602
J61
1
2
3
1
2
3
J632
J631
2
1
SNS.
1
2
LED
GND
J633
LED
OILSNS
GND
LEDDRV
WEBSNS
GND
LEDDRV
1
2
3
3
2
1
J62M
J62F
Oil Sensor
PS13
DC Controller Board
J102
J110(S)J111(S)J112(S)
1
2
3
4
5
6
7
8
9
10
11
4
3
2
1
7
6
5
4
3
2
1
Scanner Motor
BD Unit
Laser Driver Board
J402 J401
J451
J701
BDCHK
GND
/BD
5V
GND
SCNCLK
GND
/SCNON
/SCNRDY
24VB
24VB
FFC 23P
(1mm)
FFC 25P
(1mm)
FFC 31P
(1.25mm)
Controller fan
FM3
3
2
1
FAND3
FANLK3
GND
14
9
J2009
J2008
J2010
J2007(R)
J2011 J2012 J2013 J2015 J2016
J2018 J2020 J2021
J2017
J2006
J2002
J2003
J2005
J2022
3
2
1
5
9
8
9
5
J2004
J2001
J2019
J201410
1
2
3
1
2
1
2
3
1
2
3
4
5
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
7
4
3
2
1
1
2
3
4
3
2
1
5
4
3
2
1
2
1
6
5
4
3
2
1
/DEVBRK
24VA
/DEVON
24VA
TONLED
GND
N.C.
3
2
1
1
2
3
2
1
1
2
J65M
J65F
J56M
J56F
J57M
J57F
3
2
1
J621
G<9..1>
/FXON
24VA
GND
FANLK1
FAND1
MLDW
/MRDY
/MON
GND
24VA
5
4
3
2
1
J58
CA
CB
AO
/AO
BO
/BO
CA
CB
AO
/AO
BO
/BO
M
C
NO
NC
J97
1
2
3
2
1
1
2
J55F
J55M
24VA
/TDCON
BK
R
8
7
10
9
6
5
4
3
2
1
3
2
1
1
2
3
2
1
1
2
2
1
1
2
2
1
1
2
J54F
J54M
J53F
J53M
J52F
J52M
J51F
J51M
24VA
/ATTSLON
24VA
/DDSLON
24VA
/TDCSLON
24VA
/SCSLON
GND
FANLK2
FAND2
FM2
Main Fan
I<5..1>
F<10..1>
J6M
J1 J2
J7
J3 J4 J5
Power Supply
1
2
3
3
2
1
CMN
RMT
SW1
6
5
4
3
2
1
1
2
3
4
5
6
7
8
9
1
2
3
1
2
3
4
5
6
1
2
3
4
5
6
7
1
2
3
4
5
9
8
7
6
5
4
3
2
1
1
2
3
4
5
6
1
2
3
4
5
6
7
1
2
3
4
5
HTLC
HTLH
HTUH
HTUC
GND
/FXUON
/FXLON
/FXENB
/FXROF
THI
FXTYP
SFSNS
FXSTS
24VB
24VA
DSW
GND
GND
GND
5V
5V
5V
GND
5V
GND
24VB
/PCONT
POFF
DOPN
24VB
GND
5V
GND
24VA
1
2
3
4
5
6
9
10
11
12
13
14
6
5
4
3
2
1
1
2
3
4
5
6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
6
5
4
3
2
1
1
2
3
4
5
6
4
3
2
1
1
2
3
4
3
2
1
3
2
1
2
1
1
2
J23F J23M
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
J21M J21F
J24
J26
J27
TP1
TP2
H1
H2
TH
OPEN:100V/SHORT:200V
J22
PS9
Paper
Delivery
Sensor
J28F
J28M
PS10
Oil
Overflow
Sensor
J29
Fuser Assembly
J25
J21MA
J21FA
THI
GND
/FXSNS
GND
FXTYP
FXRET
5VSAVE
GND
POUT
5VSAVE
GND
OILFUL
Mechanical
Controller
Board
B<6..1>
8
J305 J302
J304 J303
PS
PS
3
2
1
1
2
3
DEVHP
GND
5VSAVE
DEVCAM
GND
5VSAVE
6
5
4
3
2
1
2
1
24VC
CPFED
/AO
AO
/BO
BO
CA
CB
1
2
3
1
2
3
4
5
6
7
8
9
10
3
2
1
LEDDRV1
VREG
TOPSNS
PS303
Paper
Leading-Edge
Sensor
6
5
4
3
2
1
1
2
3
4
5
6
3
2
1
3
2
1
2
1
1
2
2
1
1
2
PS2
Manual Feed
Paper-Width
Sensor
PS1
Manual Feed
Paper-Present
Sensor
Registration
Roller Clutch
J310
J32M
J32F
J33M
J33F
J34M
J34F
J35
J36
1
2
3
4
5
6
7
8
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
TXD
RXD
CLK
GND
5V
PGND
24VC
RES
J13M
J31M
J13F
J31F
A<8..1>
C<8..1>
D<5..1>
24VA
ON/OFF
GND
5
4
3
2
1
1
2
3
4
5
5
4
3
2
1
1
2
3
4
5
5VU
HUMSNS
GND
TMPSNS
GND
J15F J15M J73
1
2
3
4
5
6
7
8
RES
SEL
NC
5V
GND
CLK
RXD
TXD
1
2
3
J1502
High-
Voltage
Power
Supply
9
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
9
J1001
J1002
J1004
J1201
1
2
3
4
5
6
3
2
1
DEV
HV1
DRUM
SEPDC
J82
T1203
1
2
3
4
5
PGND
24V
GND
5V
RES
SEL
CLK
RXD
TXD
E<9..1>
FIX
SEPAC
J83
J75
J84
J71
R11
J72
J85
J87
R12
JB6
J74
J73
J72
J72
R11
R11
R11
J71
J71
J71
J79
J80
J81
J72
J78
R11
R11
J72
J72
J76
J77
J71
J71
J622
3
2
1
TNSNS
GND
RET
1
2
3
3
2
1
J64M J64F
1
2
2
1
J63M J63F
Q621
Q622
/WEBSLON
24VA
7
8
H<14..1>
Main
Motor
FM1
Fuser
Fan
J41M J41F
J6F
J60
J59
J301
T
ATR
SEAC
LEDDRV2
GND
MPSSNS
LEDDRV2
GND
MPPSNS
/MPFED
24VC
24VC
/REGFED
Toner Carousel
Drive Clutch
Toner Carousel
Brake Clutch
J21MB
J21FB
J802
J801
J803
Power Switch
H.V.
Separation
Board
Sheet Feeder
Cassette
Pickup Board
I/O
Interconnect Board
I/O Controller Board
Cleaning
Belt Sensor
PS5
SL4
Gripper
Drive
Solenoid
PS6
Attraction
Sensor
SL5
Separation
Claw
Solenoid
PS8
Transfer
Drum Top
Sensor
PS7
Separation
Sensor
PS14 Calibration
Density Sensor
Cleaning Belt
Drive Solenoid
SL3
Fuser Assy
Drive Clutch
PS11
Toner Sensor
(Emit)
Temperature
Humidity
Sensor
T/H
Color LaserWriter 12/600 PS Wiring Diagram
Door Switch SW2
Cleaning Brush
Motor M5
SL9 SL8 SL7
CL1
CL4
M4
M2
M3
CL2
SL6
Discharge Roller
Press Solenoid
Transfer Drum
Cleaner Press
Solenoid
Transfer
Drum Press
Solenoid
Attraction Roller
Press Solenoid
Drum
Motor
Toner Carousel
Motor
PS11
Toner Sensor
(Receive)
Carousel
Position Sensor
PS4
Cartridge
Position Sensor
PS3
CL3
SL2
Manual Feed
Solenoid
M1
SL1
Pickup Motor
Cassette Feed
Solenoid
Cassette
Paper-Present
Sensor
PS301
Paper
Registration
Sensor
PS302
Density Control
Panel
Status Panel
J16
(IOT)