40055101TH Rev.4
424 /
A3.2.15 M17 Circuit Diagram (Page 16/17)
1.
Block diagram
The circuit diagram shown on page 16/17 consists of the following functions and connectors:
•
RAM3 to RAM5
Figure A3.2.22 shows the block diagram of DRAM.
2.
Function
1)
PSRAM
2 MByte DRAM x 1 (RAM3) for ODA version
512 KByte DRAM x 2 (RAM4 and RAM5) for INT'L version
•
Used as follows:
Picture memory for the ECM send/receive modes.
Picture memory for the memory transmission mode.
Picture memory for the retransmission mode.
Picture memory for the reception in memory.
Editing for report printing.
RAM4
RAM5
RAM3
PSRAM
PSRAM
512kByte
512kByte
DRAM
2MByte
A1 - A10
DRAS1-N
DWRL-N
DCASH-N
DCASL-N
AD0 - AD15
AD08 - AD15
AD0 -
AD07
AD0 -
AD03
A1 - A19
A1 - A10
A1 - A18
Figure A3.2.22 Block Diagram of DRAM
Summary of Contents for B4100
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Page 545: ...40055101TH Rev 4 545 54 SECTION 1 CABINET ASSEMBLY FAX NIP FX048...
Page 548: ...40055101TH Rev 4 548 SECTION 2 UNIT PRINTER...
Page 550: ...40055101TH Rev 4 550 SECTION 3 UNIT 048 OPE PANEL...
Page 552: ...40055101TH Rev 4 552 SECTION 4 OPEPANEL OPERATION PANEL ASSEMBLY...
Page 554: ...40055101TH Rev 4 554 SECTION 5 FRAME ASSEMBLY SCANNER L...
Page 556: ...40055101TH Rev 4 556 SECTION 6 PLATE ASSEMBLY SCANNER B...
Page 558: ...40055101TH Rev 4 558 SECTION 7 PLATE ASSEMBLY SCANNER R...
Page 560: ...40055101TH Rev 4 560 17 16 15 10 SECTION 8 FRAME ASSEMBLY SCANNER U...
Page 562: ...40055101TH Rev 4 562 13 SECTION 9 COVER ASSEMBLY TOP...
Page 564: ...40055101TH Rev 4 564 SECTION 10 PLATE ASSEMBLY BASE...
Page 569: ...40055101TH Rev 4 569 SECTION 12 PRINTER HEAT ASSY...
Page 571: ...40055101TH Rev 4 571 SECTION 13 CABLES...
Page 574: ...40055101TH Rev 4 574 SECTION 1 CABINET ASSEMBLY...
Page 576: ...40055101TH Rev 4 576 SECTION 2 CONTROL PANEL ASSEMBLY OKIFAX 5200 5300...
Page 577: ...40055101TH Rev 4 577 SECTION 2 CONTROL PANEL ASSEMBLY OKIFAX 5500 5600...
Page 579: ...40055101TH Rev 4 579 SECTION 3 PRINTER ASSEMBLY...
Page 582: ...40055101TH Rev 4 582 SECTION 4 BASE ASSEMBLY 30 37 38...
Page 585: ...40055101TH Rev 4 585 SECTION 5 SCAN UNIT...
Page 587: ...40055101TH Rev 4 587 SECTION 6 PAPER GUIDE U ASSEMBLY...
Page 589: ...40055101TH Rev 4 589 SECTION 7 CABLES 10...
Page 591: ...40055101TH Rev 4 591 SECTION 8 OPTION TELEPHONE US...
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Page 597: ...40055101TH Rev 4 597 SECTION 8 OPTION TELEPHONE HOL GER FRA SWITZ AUT INT L...