2–11
Principles of Operation
+36V GND –12V
+36V
GND
–12V
–12V
+12V
GND
+5V
FROM MECH DRIVER
FROM P/S
FROM P/S
FROM MECH DRIVER
+5V GND
CONTROL
PANEL
DCU
MCU
MECHANISM
DRIVER
FAULT CIRCUITS
PAPER TRANSPORT
SHUTTLE DRIVE
RIBBON DRIVE
P/S CIRCUITS
DRIVE
DATA
CONTROL
STATUS
CONTROL
STATUS
HOST I/O
SERIAL
PARALLEL
–12V
+12V
GND
HAMMER
DRIVERS
HAMMER
BANK
TO
DCU
AND
MCU
HSC
FAULT/STATUS
DCU MESSAGE
READY, READ
MESSAGE
DO–D7
MOTOR
CONTROL
FAULTS
SENSE
PAPER
DRIVE
SHUTTLE
DRIVE
RIBBON
DRIVE
PLATEN
OPEN/
PAPER
OUT/
PAPER
MOTION
FAULT
(IL/AIR)
POWER SUPPLY
+36V
GND
–12V
TO HAMMER DRIVER
AND MECH DRIVER
AC
POWER
120V
240V
50 or 60 Hz
FAN
FAN
F
A
U
L
T
N
H
C
K
N
U
D
H
R
S
PM1–PM4
P
O
S
I
T
I
O
N
D
R
I
V
E
S
E
N
S
E
D
R
I
V
E
F
A
U
L
T
P
M
D
DATA
STEPPER
MOTOR
DC
MOTOR
DC
MOTORS
S
W
I
T
C
H
S
T
A
T
U
S
D
A
T
A
BEEPER
FAN
COM
C
O
M
H
S
C
BLOWER
ASSEMBLY
+5V
B
L
R
Figure 2–9. System Block Diagram
Содержание P9012
Страница 1: ...P N 132305 001 Rev E P9012 Multifunction Line Printer...
Страница 49: ...2 31 Principles of Operation Power Supply PCBAs 1 3 SHORT OPEN Figure 2 21 Power Supply PCBA...
Страница 53: ...2 35 Principles of Operation PAPER FEED MOTOR TRACTORS PAPER TRANSPORT Figure 2 26 Paper Feed Components...
Страница 58: ...2 40 Principles of Operation...
Страница 84: ...4 18 Troubleshooting...
Страница 107: ...5 23 Alignments and Adjustments 1 Screw 2 MPU Arm 1 2 Figure 5 9 Magnetic Pickup Phasing Adjustment...
Страница 118: ...5 34 Alignments and Adjustments...
Страница 203: ...6 85 Replacement Procedures This page intentionally left blank...
Страница 214: ...6 96 Replacement Procedures...
Страница 217: ...A 3 Power Paper Stacker Maintenance Printer Rear Power Paper Stacker Figure A 1 Power Paper Stacker...
Страница 236: ...A 22 Power Paper Stacker Maintenance...
Страница 246: ...D 2 Torque Table...
Страница 254: ...Index 6...
Страница 255: ......
Страница 256: ...132305 001 Rev E...