41309401TH Rev.4
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(2) R46 board (OKIOFFICE87)
• CPU SH7034
Basic processor
CPU periheral functions
• IOGA6 (Input/output gate array 6) 1/3, 2/3, 3/3
Scanned data DMA control
Printing control
Peripheral input/output control
• Flash memory (Instead of EP-ROM and SRAM)
Memory storage for program code
Memory storage for user/service setting data
• DRAM
Memory storage for ECM operations, memory broadcast, delayed broadcast, etc.
• Back-up battery circuit
• Real-time clock IC
• Audio monitor circuit
• Contact image sensor control
• LC821033
Image data processing
Memory storage for image picture data
• Supervision of the following external statuses:
Presence of document on hopper
Presence of document at scanning position
• Send motor control
• Drum motor control
• Modem chip
Modulation and demodulation for V.34
Modulation and demodulation for V.33 and V.17
Modulation and demodulation for V.29 and V.27 ter
Modulation and demodulation for V.21
Generation of single-frequency signals for tonal signals
Detection of single-frequency tonal signals
Generation of dual time multiple-frequency signals for tone dialing
(3) Operation panel unit: O4W board
• Supervision of switches on operation panel
• Control of LEDs on operation panel
• Control of LCD on operation panel
LED : Light-emitting diode
LCD : Liquid crystal display
(4) NCU board
INU-US
For US and Canada
EN9
For Denmark, Norway, Sweden, Finland, The Netherlands, ireland, portugal,
Belgium, Spain, Greece and Other countries, Germany, Switzerland and Austria,
France and UK
INU-INT
For New Zealand, Australia and Other countries
• Conversion of receive data and receive signals to internal signal level
• Conversion of send data and send signals to external signal level
• Generation of dial pulses to telephone line
• Detection of ringing signal
• Detection of busy tone (conjunction with Modem unit)
• Detection of hook up signal
• Interface with telephone handset (option)
• Output of send data and send signals to telephone line
• Input of receive data and receive signals from telephone line
Содержание OKIFAX4550
Страница 1: ...41309401TH Rev 4 1 592 OKIFAX4550 OKIOFFICE87 Maintenance Manual 2001 05 08 Rev 4 Oki Data Corporation...
Страница 156: ...41309401TH Rev 4 156 Figure 4 2 Appearance of the OKIFAX4550 OKIOFFICE87...
Страница 428: ...41309401TH Rev 4 428 SECTION 1 CABINET ASSEMBLY OKIFAX4550 OKIOFFICE87...
Страница 431: ...41309401TH Rev 4 431 SECTION 2 UNIT PRINTER...
Страница 433: ...41309401TH Rev 4 433 SECTION 3 UNIT 051 OPE PANEL...
Страница 435: ...41309401TH Rev 4 435 SECTION 4 OPEPANEL OPERATION PANEL ASSEMBLY...
Страница 437: ...41309401TH Rev 4 437 SECTION 5 FRAME ASSEMBLY SCANNER L...
Страница 439: ...41309401TH Rev 4 439 SECTION 6 PLATE ASSEMBLY SCANNER B...
Страница 441: ...41309401TH Rev 4 441 SECTION 7 PLATE ASSEMBLY SCANNER R...
Страница 443: ...41309401TH Rev 4 443 SECTION 8 FRAME ASSEMBLY SCANNER U...
Страница 445: ...41309401TH Rev 4 445 SECTION 9 COVER ASSEMBLY TOP...
Страница 447: ...41309401TH Rev 4 447 SECTION 10 PLATE ASSEMBLY BASE...
Страница 449: ...41309401TH Rev 4 449 SECTION 11 PRINTER BASE FRAME UNIT Heat assy...
Страница 452: ...41309401TH Rev 4 452 SECTION 12 PRINTER HEAT ASSY...
Страница 454: ...41309401TH Rev 4 454 SECTION 13 CABLES...
Страница 457: ...41309401TH Rev 4 457 46F PCB Assy 1 9 41196601...
Страница 466: ...41309401TH Rev 4 466 R46 PCB Assy 1 10 41033201...
Страница 475: ...41309401TH Rev 4 475 REF NO SYMBOL TYPE NAME PART NO Q TY REMARKS 148 Screw PSW3 4C 2 R46 PCB Assy 10 10 41033201...
Страница 476: ...41309401TH Rev 4 476 04W PCB Assy 1 3 40071401...
Страница 479: ...41309401TH Rev 4 479 EN9 PCB Assy 1 6 41144301...
Страница 485: ...41309401TH Rev 4 485 INU PCB Assy 41144501 US 1 4 41144502 INT 1 5...
Страница 493: ...41309401TH Rev 4 493 MPW1546 120V PCB Assy 1 5 SIPS1303...
Страница 498: ...41309401TH Rev 4 498 MPW1446 230V PCB Assy 1 6 SIPS1302...
Страница 504: ...41309401TH Rev 4 504 P2H PCB Assy 1 4 40599101...
Страница 508: ...41309401TH Rev 4 508 P6L PCB Assy 1 3 40386701...
Страница 511: ...41309401TH Rev 4 511 G4N PCB Assy 1 5 41033701...
Страница 585: ...41309401TH Rev 4 585 Figure H 7 1 2 RTC Time Read Figure H 7 2 2 RTC Time Set...
Страница 587: ...41309401TH Rev 4 587 Figure H 9 Figure H 10 1 3...
Страница 588: ...41309401TH Rev 4 588 Figure H 10 2 3 Figure H 10 3 3...
Страница 589: ...41309401TH Rev 4 589 Figure H 11 1 3 Figure H 11 2 3...
Страница 590: ...41309401TH Rev 4 590 Figure H 12 Figure H 11 3 3...
Страница 591: ...41309401TH Rev 4 591 Figure H 13 1 2 Figure H 13 2 2...
Страница 592: ...41309401TH Rev 3 592 592 Figure H 14 1 2 Figure H 14 2 2...