Page: 127
Service Guide OF1050/2350/2450
Chapter 3 Board Description/Printer Operation
3.12 MEMO (memory) Circuit Diagram (option)
The optional memory board (MEM/MEM-2/MEM-3), is used for expanding the OKIFAX unit's Image
(picture) memory..
Block diagram
Figure 3.12.1 shows a related signal of memory board.
MEMO/MEMO-2/MEMO-3 circuit consists of the following block.
1. 512 kbyte pesudo static RAM x 4 (RAM1 to RAM4). Used as follows: Picture memory for the ECM
send/receive modes. Picture memory for the memory transmission mode. Picture memory for the
retransmission data. Picture memory for the reception in memory
2. Memory capacity
One of 512 kbyte (MEMO) or 1 Mbyte (MEMO-2) memory board can be added for OKIFAX 1050.
One of 512 kbyte (MEMO), 1 Mbyte (MEMO-2) or 2 Mbyte (MEMO-3) memory board can be added for
OKIFAX 2350/2450.
The relationship between memory capacity and mounted boards are shown in the following table:
Equipment
Memory
Capacity
RAM1
RAM2
RAM3
RAM4
Mounted
Board
Name
Okifax
1050
OKIFAX
Mounted
Not
mounted
Not
mounted
Not
mounted
MEMO
1 Mbyte
Mounted
Mounted
Not
mounted
Not
mounted
MEMO-2
Okifax
2350/2450
512 kbyte
Mounted
Not
mounted
Not
mounted
Not
mounted
MEMO
1 Mbyte
Mounted
Mounted
Not
mounted
Not
mounted
MEMO-2
2 Mbyte
Mounted
Mounted
Mounted
Mounted
MEMO-3
Note:
Back-up time on electrical interruption; Min. one hour for OKIFAX 2450. The OKIFAX 1050/2350
does not back-up messages received in memory when power is lost.
3. Image memory capacity
Содержание OF1050
Страница 51: ...Partner Exchange BPX for any updates to this material http bpx okidata com...
Страница 65: ...Figure 2 3 1 Unpacking Procedure 2...
Страница 80: ......
Страница 81: ......
Страница 120: ...Page 60 Service Guide OF1050 2350 2450 Chapter 2 Setup Information Users Initial Settings One Touch Key Operations...
Страница 142: ...Page 70 Service Guide OF1050 2350 2450 Chapter 2 Setup Information 2 9 7 Dual Access Operation for OKIFAX 2350 2450...
Страница 145: ...Note Use the UNIQUE key to input special symbols Operations Press the START key Press the START key...
Страница 152: ...Case 2 Canceling member s from a group...
Страница 160: ...Partner Exchange BPX for any updates to this material http bpx okidata com...
Страница 167: ...Page 84 Service Guide OF1050 2350 2450 Chapter 2 Setup Information Fig 2 9 5 Typical Transmission Flow...
Страница 209: ...Partner Exchange BPX for any updates to this material http bpx okidata com...
Страница 224: ...NCUU Package Layout OKIFAX 1050 2350 2450 Figure 3 10 1 Block Diagram of NCUU...
Страница 319: ...Figure 6 14 1 Protocol Dump Data Sample at transmitter side...
Страница 326: ...Partner Exchange BPX for any updates to this material http bpx okidata com...
Страница 332: ...Page 181 Service Guide OF1050 2350 2450 Chapter 7 Troubleshooting and Repair 7 1 Overall Troubleshooting Flow Chart...
Страница 337: ...Page 185 Service Guide OF1050 2350 2450 Chapter 7 Troubleshooting and Repair 7 5 No Local Copy...
Страница 344: ...Page 188 Service Guide OF1050 2350 2450 Chapter 7 Troubleshooting and Repair 7 8 Auto Reception Failure...
Страница 350: ...Partner Exchange BPX for any updates to this material http bpx okidata com...
Страница 351: ...Page 191 Service Guide OF1050 2350 2450 Chapter 7 Troubleshooting and Repair 7 11 LED Test...
Страница 354: ...Page 193 Service Guide OF1050 2350 2450 Chapter 7 Troubleshooting and Repair 7 13 High speed Modem Test...
Страница 360: ...Page 198 Service Guide OF1050 2350 2450 Chapter 7 Troubleshooting and Repair 7 18 No Document Feeding...
Страница 363: ...Page 200 Service Guide OF1050 2350 2450 Chapter 7 Troubleshooting and Repair 7 20 Document Skew...
Страница 365: ...Page 201 Service Guide OF1050 2350 2450 Chapter 7 Troubleshooting and Repair 7 21 Document Jam...
Страница 388: ...Page 218 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 1050...
Страница 390: ...Page 219 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 2350 2450...
Страница 392: ...Page 220 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 1050...
Страница 394: ...Page 221 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 2350 2450...
Страница 395: ...Section 1 Cabinet Illustratio n Number OKIFAX Description Okidata Part Number Oki Part Number...
Страница 398: ...Partner Exchange BPX for any updates to this material http bpx okidata com...
Страница 400: ...Partner Exchange BPX for any updates to this material http bpx okidata com...
Страница 401: ...Page 224 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 2450 Section 2 Control...
Страница 409: ...Page 227 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 1050...
Страница 414: ...Page 229 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 1050 2350 2450 Section 5 Scan Unit...
Страница 417: ...Page 230 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 1050 2350 2450...
Страница 418: ...Section 6 Paper Guide Illustratio n No OKIF AX Description Okidata Part Number Oki Part Number...
Страница 421: ...Page 231 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 1050...
Страница 423: ...Page 232 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 2350 2450...
Страница 424: ...Section 7 Cables Illustratio n No OKIF AX Description Okidata Part Number Oki Part Number...
Страница 445: ...Page 245 Service Guide OF1050 2350 2450 Chapter 9 High Capacity Second Paper Feeder Maintenance 9 6 Parts List...
Страница 446: ......
Страница 447: ......
Страница 448: ...Figure 6 1 High Capacity Second Paper Feeder...