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Board Descriptions
A - 9
OKIOFFICE 44 Serv. Man., P/N 59276801
Copy Picture Signal (Figure A2.1.1)
LED
LCD
DRV.
LCDC
Key switch
matrix
OPE. CPU
OPE
Handset
TEL(option)
NCU
NCU
L1, L2
T1, T2
: A circuit which conducted by sub-power supply unit
at the time of a standby state.
Ri
SUB +5V
PC1
AMP
Speaker
X' tal
MODEM
14.4 kbps
IOGA3 3/4:
Peripheral
control
1284 control
CS generation
I/O port
DMA 2ch
Driver
CTR (PCIF)
SUB +5V
X' tal
20 MHz
Mask ROM
512 KB(x16)
FLASH
512 KB(x16)
DRAM
512 KB (x8)
x 2
CPU
SH7034
IOGA3 3/4:
High-voltage
control
RTC
X' tal
BAT
MEM (option)
P-SRAM (1 MB)
512 KB (x8) x2
IOGA3 1/4:
Scanning
control
-8V
A/D
DRV.
DRV.
DRV.
PC1
IOGA3 2/4:
Printer control
OST-EX
Buffer 640 bytes
Decoding (RLE,
TIFF, ACC32)
200-300 converter
Smoothing
A4 image
sensor
8 dots/mm
PC1
PC2
M
M
S-motor
D-motor
LED head
300 dpi
Clutch
Heater
Thernistor
AC Output
ON/OFF
Main
Switching
Poewr Supply
Sub-Power
Supply
SW
Low-voltage Power Supply Unit
AC (120/240V)
High-voltage
Power Supply
Manual feeder
sensor
Write sensor
Outlet sensor
Toner sensor
Cover open
High-voltage power supply board
SUB +5V
0VP
0VL
+5V
+24V
SUB +5V
-8V
ACON
Hook
RAM1/2
IC2
MASK
FLS
IC3
IC2
IC6
IC2
SIG
TA1
IC2
IC9
HDATA0/1
IC5
IC8
S
R
CN5
CN3
CN1
CN14
CN15
CN2
CN7
CN6
CN1
CN9
CN10
CN3
CN1
CN4
CN11/12
CN13
CN1/2
CN99
SDATA0 to SDATA5
Address/data/control
bus etc.,
Analog SW
IC11
TLHV(OLHV)
FX048PSU(120V/230V)
CN3
CN3
X2
32.768kHz
X1
X3
29.4912MHz
04W
R44
Receiver
1284-I/F
UNC-5 PCB
Содержание OKIOFFICE 44
Страница 2: ...All specifications are subject to change without notice Service Manual OKIOFFICE 44 59276801...
Страница 13: ...Table of Contents TOC 10 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...
Страница 37: ...General Information 1 24 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...
Страница 49: ...General Information 1 36 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...
Страница 121: ...Installation Procedure 2 72 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...
Страница 125: ...Brief Technical Description 3 4 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...
Страница 135: ...Disassembly 4 6 OKIOFFICE 44 Service Manual P N 59276801 Whole Unit Picture FX048 CP4 1 Fig 01...
Страница 163: ...Adjustments 5 6 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...
Страница 165: ...Cleaning and Maintenance 6 2 OKIOFFICE 44 Serv Man P N 59276801 This page was intentionally left blank...
Страница 171: ...Cleaning and Maintenance 6 8 OKIOFFICE 44 Serv Man P N 59276801 This page was intentionally left blank...
Страница 189: ...Cleaning and Maintenance 6 26 OKIOFFICE 44 Serv Man P N 59276801 This page was intentionally left blank...
Страница 193: ...Cleaning and Maintenance 6 30 OKIOFFICE 44 Serv Man P N 59276801 This page was intentionally left blank...
Страница 201: ...Troubleshooting 7 8 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...
Страница 205: ...Troubleshooting 7 12 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...
Страница 211: ...Troubleshooting 7 18 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...
Страница 219: ...Troubleshooting 7 26 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...
Страница 243: ...Dipswitch Settings 8 2 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...
Страница 245: ...Board Descriptions A 2 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...
Страница 265: ...Board Descriptions A 22 OKIOFFICE 44 Serv Man P N 59276801 This page was intentionally left blank...
Страница 277: ...Board Descriptions A 34 OKIOFFICE 44 Serv Man P N 59276801 This page was intentionally left blank...
Страница 293: ...Board Descriptions A 50 OKIOFFICE 44 Serv Man P N 59276801 This page was intentionally left blank...
Страница 301: ...Board Descriptions A 58 OKIOFFICE 44 Serv Man P N 59276801 This page was intentionally left blank...
Страница 305: ...Board Descriptions A 62 OKIOFFICE 44 Serv Man P N 59276801 This page was intentionally left blank...
Страница 323: ...Circuit Diagrams C 2 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...
Страница 325: ...Illustrated Parts List D 2 OKIOFFICE 44 Service Manual P N 59276801 54 Section 1 Cabinet Assembly 1 2...
Страница 327: ...Illustrated Parts List D 4 OKIOFFICE 44 Service Manual P N 59276801 54 Section 1 Cabinet Assembly 2 2...
Страница 329: ...Illustrated Parts List D 6 OKIOFFICE 44 Service Manual P N 59276801 Section 2 Printer Unit...
Страница 331: ...Illustrated Parts List D 8 OKIOFFICE 44 Service Manual P N 59276801 Section 3 Operator Panel...
Страница 333: ...Illustrated Parts List D 10 OKIOFFICE 44 Service Manual P N 59276801 Section 4 Operator Panel Assembly...
Страница 335: ...Illustrated Parts List D 12 OKIOFFICE 44 Service Manual P N 59276801 Section 5 Frame Assembly Scanner L...
Страница 337: ...Illustrated Parts List D 14 OKIOFFICE 44 Service Manual P N 59276801 Section 6 Plate Assembly Scanner B...
Страница 339: ...Illustrated Parts List D 16 OKIOFFICE 44 Service Manual P N 59276801 Section 7 Plate Assembly Scanner R...
Страница 341: ...Illustrated Parts List D 18 OKIOFFICE 44 Service Manual P N 59276801 Section 8 Frame Assembly Scanner U...
Страница 343: ...Illustrated Parts List D 20 OKIOFFICE 44 Service Manual P N 59276801 Section 9 Cover Assembly Top...
Страница 345: ...Illustrated Parts List D 22 OKIOFFICE 44 Service Manual P N 59276801 Section 10 Plate Assembly Base...
Страница 351: ...Illustrated Parts List D 28 OKIOFFICE 44 Service Manual P N 59276801 Section 12 Cables...
Страница 355: ...Illustrated Parts List D 32 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...
Страница 357: ...Board Layout E 2 OKIOFFICE 44 Service Manual P N 59276801 MEM eps E 2 MEM PCB...
Страница 358: ...Board Layout E 3 OKIOFFICE 44 Service Manual P N 59276801 TEL U eps E 3 TEL U PCB...
Страница 359: ...Board Layout E 4 OKIOFFICE 44 Service Manual P N 59276801 Hook eps E 4 Hook PCB...
Страница 361: ...Second Paper Feeder F 2 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...
Страница 381: ...RMCS System G 20 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...
Страница 383: ...Product Service Bulletins H 2 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...
Страница 385: ...Product Service Bulletins H 4 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...
Страница 387: ...Recommended Spare Parts List I 2 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...
Страница 388: ...OKIOFFICE 44 Service Manual Part Number 59276801 Printed in the USA...