SIGNAL FLOW
A2 - 3
40672201TH Rev. 4
Figure A2.1 Copy Picture Signal
PC1
PC2
A4 image
sensor
300 dpi
M
M
LED head
300 dpi
Clutch
Heater
Thermistor
A/D
IEXSEED300
DRV.
DRV.
DRV.
SRAM 32KB
IOGA4 2/4
Printer control
OST-EX
Buffer 640 bytes
Decoding (RLE,
TIFF, ACC32)
200-300 Converter
Smoothing
High-voltage
Power Supply
Manual feeder
sensor
Write sensor
Outlet sensor
Toner end sensor
Cover open sensor
Main Switching
Power Supply
S-motor
D-motor
+24V
+5V
0VL
0VP
-8V
SW
Sub-Power
Supply
DRAM
2MB(x16)
IOGA4 4/4
High-voltage Control
FLASH
1MB(x16)
RTC
BAT
X'tal
IOGA4 1/4
(CPU SH7034)
X'tal
IOGA4 3/4
Peripheral
control
1284 control
CS generation
I/O port
DMA 2ch
SW
AC (120V/240V)
AMP
Speaker
X'tal
MODEM
14.4Kbps
NCU
UNC/WN5/
DN5/FN5
OPE
LED
Key switch
matrix
OPE CPU
LCD
LCDC
DRV
T1, T2
L1, L2
: A circuit which conducted by sub-power supply unit
at the time of a standby state. (only 240V)
DRAM
0.5MB(x16)
AC Output
ON/OFF
Bi-Centro I/F
Ri
HOOk
S
R
Sub +5V
Sub +5V
PC1
Sub +5V
PH
PC1
-8V
(Low-voltage Power Supply Unit)
(High-voltage Power Supply Board)
8PPM
HEATON
ACON
High-voltage
Power Supply
SDATA2 to SDATA7
CN5
CN3
CN1
CN12
CN13
CN2
CN7
CN101
SIG
IC6
IC16
IC7
HDATA0,etc.,
IC9
TR508 etc.,
IC2
RAM1
IC3
BAT1
X2
32.768kHz
20.000MHz
X1
RAM2
RAM3
IC2
IC2
IC2
CN11
FLS
IC8
X3 29.4912MHz
IC5
CN6
CN8
CN9
CN1
CN1
CN2
Address/data/
control bus etc.,
CN4
CN1
CN10
CN3
CN2
CN1
R51
MPW1446 (230V)
MPW1546 (120V)
P2H
P6L
NCU
Содержание OKIOFFICE84
Страница 7: ...40672201TH Rev 4 CHAPTER 1 GENERAL INFORMATION...
Страница 44: ...40672201TH Rev 4 CHAPTER 2 INSTALLATION PROCEDURE...
Страница 120: ...40672201TH Rev 4 CHAPTER 3 BRIEF TECHNICAL DESCRIPTION...
Страница 128: ...40672201TH Rev 4 CHAPTER 4 MECHANICAL DISASSEMBLY AND REASSEMBLY...
Страница 133: ...4 5 40672201TH Rev 4 Appearance of the OKIOFFICE84 OKIFAX 4500 FX051 CP4 Fig 01...
Страница 155: ...40672201TH Rev 4 CHAPTER 5 ADJUSTMENTS...
Страница 159: ...40672201TH Rev 4 CHAPTER 6 CLEANING AND MAINTENANCE...
Страница 187: ...40672201TH Rev 4 CHAPTER 7 TROUBLESHOOTING AND REPAIR FOR OKIOFFICE84 OKIFAX 4500...
Страница 232: ...40672201TH Rev 4 CHAPTER 8 DIPSWITCHS SETTING TABLES...
Страница 254: ...40672201TH Rev 4 Appendix A PC Board Descriptions and Operation Second Edition December 1998 Oki Data Corporation...
Страница 255: ...40672201TH Rev 4...
Страница 313: ...40672201TH Rev 4...
Страница 334: ...C 3 40672201TH Rev 4...
Страница 335: ...40672201TH Rev 4 C 4...
Страница 336: ...C 5 40672201TH Rev 4...
Страница 337: ...40672201TH Rev 4 C 6 Reading...
Страница 338: ...C 7 40672201TH Rev 4...
Страница 339: ...40672201TH Rev 4 C 8...
Страница 340: ...C 9 40672201TH Rev 4...
Страница 341: ...40672201TH Rev 4 C 10...
Страница 342: ...C 11 40672201TH Rev 4...
Страница 343: ...40672201TH Rev 4 C 12...
Страница 344: ...C 13 40672201TH Rev 4...
Страница 345: ...40672201TH Rev 4 C 14...
Страница 353: ...40672201TH Rev 4 C 22...
Страница 354: ...C 23 40672201TH Rev 4...
Страница 357: ...40672201TH Rev 4 C 26 Low Voltage Low Voltage High Voltage High Voltage...
Страница 358: ...C 27 40672201TH Rev 4...
Страница 361: ...40672201TH Rev 4 C 30 Low Voltage secondary High Voltage primary...
Страница 365: ...40672201TH Rev 4 C 34 Low Voltage secondary High Voltage primary...
Страница 370: ...C 39 40672201TH Rev 4 High Voltage primary Low Voltage secondary...
Страница 383: ...40672201TH Rev 4 C 52...
Страница 387: ...40672201TH Rev 4 C 56...
Страница 390: ...40672201TH Rev 4...
Страница 393: ...OKIOFFICE84 OKIFAX 4500 40672201TH Rev 4 D 2 SECTION 1 CABINET ASSEMBLY FAX NIP FX051...
Страница 396: ...OKIOFFICE84 OKIFAX 4500 D 5 40672201TH Rev 4 SECTION 2 UNIT PRINTER...
Страница 398: ...OKIOFFICE84 OKIFAX 4500 D 7 40672201TH Rev 4 SECTION 3 UNIT 051 OPE PANEL...
Страница 400: ...OKIOFFICE84 OKIFAX 4500 D 9 40672201TH Rev 4 SECTION 4 OPEPANEL OPERATION PANEL ASSEMBLY...
Страница 402: ...OKIOFFICE84 OKIFAX 4500 D 11 40672201TH Rev 4 SECTION 5 FRAME ASSEMBLY SCANNER L...
Страница 404: ...OKIOFFICE84 OKIFAX 4500 D 13 40672201TH Rev 4 SECTION 6 PLATE ASSEMBLY SCANNER B...
Страница 406: ...OKIOFFICE84 OKIFAX 4500 D 15 40672201TH Rev 4 SECTION 7 PLATE ASSEMBLY SCANNER R...
Страница 408: ...OKIOFFICE84 OKIFAX 4500 D 17 40672201TH Rev 4 SECTION 8 FRAME ASSEMBLY SCANNER U...
Страница 410: ...OKIOFFICE84 OKIFAX 4500 D 19 40672201TH Rev 4 SECTION 9 COVER ASSEMBLY TOP...
Страница 412: ...OKIOFFICE84 OKIFAX 4500 D 21 40672201TH Rev 4 SECTION 10 PLATE ASSEMBLY BASE...
Страница 414: ...OKIOFFICE84 OKIFAX 4500 D 23 40672201TH Rev 4 SECTION 11 PRINTER BASE FRAME UNIT Heat assy...
Страница 417: ...OKIOFFICE84 OKIFAX 4500 40672201TH Rev 4 D 26 SECTION 12 PRINTER HEAT ASSY...
Страница 419: ...OKIOFFICE84 OKIFAX 4500 40672201TH Rev 4 D 28 SECTION 13 CABLES...
Страница 421: ...40672201TH Rev 4 Appendix E Boards Layout OKIOFFICE84 OKIFAX 4500 Second Edition December 1998 Oki Data Corporation...
Страница 422: ...40672201TH Rev 4...
Страница 424: ...E 1 40672201TH Rev 4...
Страница 425: ...40672201TH Rev 4 E 2...
Страница 426: ...E 3 40672201TH Rev 4...
Страница 427: ...40672201TH Rev 4 E 4...
Страница 428: ...E 5 40672201TH Rev 4...
Страница 429: ...40672201TH Rev 4 E 6...
Страница 430: ...E 7 40672201TH Rev 4...
Страница 431: ...40672201TH Rev 4 E 8...
Страница 432: ...E 9 40672201TH Rev 4...
Страница 433: ...40672201TH Rev 4 E 10...
Страница 434: ...E 11 40672201TH Rev 4...
Страница 435: ...40672201TH Rev 4 Appendix F PC Loading Second Edition December 1998 Oki Data Corporation...
Страница 436: ...40672201TH Rev 4 FX 051 SYSTEM SPECIFICATION PC LOADING PART Ver 00 11 Oki Data Confidential...
Страница 448: ...40672201TH Rev 4 Appendix G RMCS SYSTEM MANUAL For Model 30 Second Edition December 1998 Oki Data Corporation...
Страница 473: ...40672201TH Rev 4 H 18 Figure 2 1 IC16 Pin 77 IC16 Pin 78 IC16 Pin 79 IC16 Pin 80...
Страница 481: ...40672201TH Rev 4 Appendix I FAX2NET FUNCTION First Edition October 1999 Oki Data Corporation...