%3.5 Function of Each Board
3.5 Function of Each Board
The section describes the principal functions of the individual units of the OKIFAX 1050/2350/2450
electrical sections.
Figure 3.5.1 and 3.5.2 shows the pertinent block diagram.
3.5.01 Main Control (MCNT) R054/R050 (OKIFAX 1050)/R175 (OKIFAX 2350)/R175-2 (OKIFAX 2450)
board
CPU Basic processor Scanning control Picture processing control Printing control SIO (Serial input/output)
control IOGA (Input/output gate array) Image Sensor control Image smoothing Strobe signals control for
LED head Printer control Peripheral input/output control (Second Tray Unit, PC Interface) Flash ROM
(Instead of EPROM and SRAM) Memory storage for system program, user and technical function
programming and defaults DRAM (For OKIFAX 1050)/P-SRAM (For OKIFAX 2350/2450) Memory storage
for ECM operations, memory broadcast, delayed broadcast, etc. Back-up battery circuit Nonrechargable
lithium battery supplies voltage to the real time clock which maintains the system time and date clock.
Real-time clock IC Used as a timepiece to display the date and time. Audio monitor circuit Contact image
sensor control I EXSEED (For OKIFAX 2350/2450) Image data processing SRAM (For OKIFAX
2350/2450) Memory storage for image picture data Interface for optional memory, PC Interface, HSLS
Supervision of the following external statuses: Presence of document on hopper (ADF sensor PC1)
Presence of document at scanning position (ADF sendor PC2) Send motor control Fan motor control Main
motor control Registration motor control Modem chip (For OKIFAX 1050) and Modem board (For OKIFAX
2350/2450) Modulation and demodulation for V.33 and V.17 (For OKIFAX 2450 / OKIFAX 2350: Option)
Modulation and demodulation for V.29 and V.27 ter Modulation and demodulation for V.21 D/A converter
for SEND DATA (TX) A/D converter for RECEIVE DATA (RX) Amplitude equalizer for RX DATA
Selectable attenuation for TX (via programming) Automatic gain control Generation of single-frequency
signals for tonal signals Detection of single-frequency tonal signals Generation of Dual Time
Multiple-Frequency signals for tone dialing
Содержание OKIFAX 1050
Страница 1: ...Chapter 0 Front Cover...
Страница 14: ...Figure 1 4 2 OKIFAX 1050 Control Panel Figure 1 4 2 OKIFAX 1050 Control Panel...
Страница 15: ...Figure 1 4 3 OKIFAX 2350 Control Panel Figure 1 4 3 OKIFAX 2350 Control Panel...
Страница 16: ...Figure 1 4 4 OKIFAX 2450 Control Panel Figure 1 4 4 OKIFAX 2450 Control Panel...
Страница 25: ...Figure 1 5 1 Ambient Condition...
Страница 35: ...Telephone Directory for OKIFAX 1050 1 2 Example Telephone Directory for OKIFAX 1050 1 2 Example...
Страница 36: ...Telephone Directory for OKIFAX 1050 2 2 Example Telephone Directory for OKIFAX 1050 2 2 Example...
Страница 37: ...Telephone Directory for OKIFAX 2350 1 4 Example Telephone Directory for OKIFAX 2350 1 4 Example...
Страница 38: ...Telephone Directory for OKIFAX 2350 2 4 Example Telephone Directory for OKIFAX 2350 2 4 Example...
Страница 39: ...Telephone Directory for OKIFAX 2350 3 4 Example Telephone Directory for OKIFAX 2350 3 4 Example...
Страница 40: ...Telephone Directory for OKIFAX 2350 4 4 Example Telephone Directory for OKIFAX 2350 4 4 Example...
Страница 41: ...Telephone Directory for OKIFAX 2450 1 6 Example Telephone Directory for OKIFAX 2450 1 6 Example...
Страница 42: ...Telephone Directory for OKIFAX 2450 2 6 Example Telephone Directory for OKIFAX 2450 2 6 Example...
Страница 43: ...Telephone Directory for OKIFAX 2450 3 6 Example Telephone Directory for OKIFAX 2450 3 6 Example...
Страница 44: ...Telephone Directory for OKIFAX 2450 4 6 Example Telephone Directory for OKIFAX 2450 4 6 Example...
Страница 45: ...Telephone Directory for OKIFAX 2450 5 6 Example Telephone Directory for OKIFAX 2450 5 6 Example...
Страница 46: ...Telephone Directory for OKIFAX 2450 6 6 Example Telephone Directory for OKIFAX 2450 6 6 Example...
Страница 53: ...Figure 2 3 1 Unpacking Procedure 2...
Страница 54: ...Figure 2 3 2 Unpacking Procedure 3...
Страница 59: ......
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Страница 87: ......
Страница 89: ......
Страница 98: ...Table 2 9 3 5 6 Feature Specifications Table 2 9 3 5 6 Feature Specifications Dual Access Combination Table 1 2...
Страница 100: ......
Страница 101: ...Users Initial Settings Users Initial Settings One Touch Key Operations...
Страница 118: ...2 9 7 Dual Access Operation for OKIFAX 2350 2450 2 9 7 Dual Access Operation for OKIFAX 2350 2450...
Страница 120: ......
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Страница 125: ...Case 2 Cancelling member s from a group...
Страница 126: ......
Страница 128: ...2 9 12 02 Procedure 2 9 12 02 Procedure Table 2 9 11 Default Settings of Dial Parameters...
Страница 135: ...Fig 2 9 4 Printed Data of Self diagnosis Print Test Example...
Страница 138: ...Fig 2 9 5 Typical Transmission Flow Fig 2 9 5 Typical Transmission Flow...
Страница 139: ...Fig 2 9 6 Typical Reception Flow Fig 2 9 6 Typical Reception Flow...
Страница 159: ...3 5 07 HOOK board Optional handset 3 5 07 HOOK board Optional handset Hook switch circuit...
Страница 160: ...3 5 08 TELU board Option For US and Canada 3 5 08 TELU board Option For US and Canada Speech network circuit...
Страница 163: ...Figure 3 5 2 OKIFAX 2350 2450 Block Diagram Figure 3 5 2 OKIFAX 2350 2450 Block Diagram...
Страница 167: ...Okifax 1050 300 bps Send Signal Okifax 1050 300 bps Send Signal...
Страница 168: ...Okifax 1050 300 bps Send Signal Okifax 1050 300 bps Send Signal...
Страница 169: ...Okifax 1050 G3 Send Picture Signal Okifax 1050 G3 Send Picture Signal...
Страница 170: ...Okifax 1050 G3 Receive Picture Signal Okifax 1050 G3 Receive Picture Signal...
Страница 171: ...Okifax 1050 Report Print Signal Okifax 1050 Report Print Signal...
Страница 173: ...Okifax 2350 2450 bps Send Okifax 2350 2450 bps Send...
Страница 174: ...Okifax 2350 2450 bps Receive Signal Okifax 2350 2450 bps Receive Signal...
Страница 175: ...Okifax 2350 2450 G3 Send Picture Signal Okifax 2350 2450 G3 Send Picture Signal...
Страница 176: ...Okifax 2350 2450 G3 Receive Picture Signal Okifax 2350 2450 G3 Receive Picture Signal...
Страница 177: ...Okifax 2350 2450 Report Print Signal Okifax 2350 2450 Report Print Signal...
Страница 179: ...CN3 28 8 V 0 1 A 0 to 0 1 A 15 to 6 5 V 3 0 VP P 3 6 VP P...
Страница 180: ...General functional description General functional description...
Страница 186: ...Block Diagram of TEL U option Block Diagram of TEL U option...
Страница 187: ...Relationship between NCUU and TEL U Relationship between NCUU and TEL U...
Страница 189: ...Expanded Memory Optional OKIFAX 1050 2350 2450...
Страница 193: ...Layout of Print Station Components Layout of Print Station Components...
Страница 195: ......
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Страница 212: ...Figuree 3 21 1 Sensor Location Top View Figure 3 21 2 Detail of Sensor Lever...
Страница 218: ......
Страница 224: ...2 Reassembly procedure Reverse the disassembly procedures...
Страница 226: ...Title of Section...
Страница 227: ...Title of Section...
Страница 228: ...Title of Section...
Страница 241: ...HASH OK 1507 Figure 6 5 1 Self diagnosis Data...
Страница 243: ...Note After adjustment of levels check the copy quality by copying test charts or documents...
Страница 244: ...6 7 LED Test 6 7 LED Test 6 7 01 Purpose To check all LEDs on operation panel by lighting 6 7 02 Procedure...
Страница 260: ...90F2 Fuser error 90F3 Recording paper size error 90F4 Cover open...
Страница 262: ...7 1 Overall Troubleshooting Flow Chart 7 1 Overall Troubleshooting Flow Chart...
Страница 263: ...7 2 No LCD Operation 7 2 No LCD Operation...
Страница 264: ...7 3 ALARM LED On 7 3 ALARM LED On...
Страница 265: ...7 4 Printing Test Failure 7 4 Printing Test Failure...
Страница 266: ...7 5 No Local Copy 7 5 No Local Copy...
Страница 270: ...7 8 Auto Reception Failure 7 8 Auto Reception Failure...
Страница 274: ...7 11 LED Test 7 11 LED Test...
Страница 275: ...7 12 Tone Send Test 7 12 Tone Send Test...
Страница 276: ...7 13 High speed Modem Test 7 13 High speed Modem Test...
Страница 277: ...7 14 MF Send Test 7 14 MF Send Test...
Страница 278: ...7 15 Tone TEL FAX Send Test 7 15 Tone TEL FAX Send Test...
Страница 280: ...7 17 Power Supply Unit 7 17 Power Supply Unit...
Страница 283: ...7 20 Document Skew 7 20 Document Skew...
Страница 284: ...7 21 Document Jam 7 21 Document Jam...
Страница 287: ...Troubleshooting flow chart 1 Troubleshooting flow chart 1 The cover copy stacker is open...
Страница 288: ...Troubleshooting flow chart 2 Troubleshooting flow chart 2 Warning message to replace ID unit because of its life...
Страница 289: ...Troubleshooting flow chart 3 Troubleshooting flow chart 3 Engine controller error ROM RAM error...
Страница 290: ...Troubleshooting flow chart 4 Troubleshooting flow chart 4 Fan motor rotation error...
Страница 296: ...Troubleshooting flow chart 8 Troubleshooting flow chart 8...
Страница 297: ...Troubleshooting flow chart 9 Troubleshooting flow chart 9...
Страница 298: ...Troubleshooting flow chart 10 Troubleshooting flow chart 10...
Страница 299: ...Troubleshooting flow chart 11 Troubleshooting flow chart 11...
Страница 301: ...Troubleshooting flow chart 13 Troubleshooting flow chart 13...
Страница 302: ...Troubleshooting flow chart 14 Troubleshooting flow chart 15 Troubleshooting flow chart 14 Troubleshooting flow chart 15...
Страница 303: ......
Страница 304: ...Chapter 8 ASSEMBLY OKIFAX 1050 OKIFAX 1050...
Страница 305: ...ASSEMBLY OKIFAX 2350 2450 OKIFAX 2350 2450...
Страница 306: ...SECTION 1 CABINET ASSEMBLY OKIFAX 1050 OKIFAX 1050...
Страница 308: ...SECTION 2 CONTROL ASSEMBLY OKIFAX 1050 OKIFAX 1050...
Страница 309: ...SECTION 2 CONTROL ASSEMBLY OKIFAX 2350 OKIFAX 2350...
Страница 311: ...SECTION 3 PRINTER ASSEMBLY OKIFAX 2350 2450 OKIFAX 2350 2450...
Страница 315: ...SECTION 4 BASE ASSEMBLY OKIFAX 1050 OKIFAX 1050...
Страница 320: ...SECTION 7 CABLES OKIFAX 1050 OKIFAX 1050...
Страница 327: ...9 3 2 Parts Layout 9 3 2 Parts Layout This section describes the layout of the main components Fig 3 1...
Страница 333: ......
Страница 334: ...9 5 Connection Diagram 9 5 Connection Diagram 9 5 1 Interconnection Diagram...
Страница 335: ...9 5 2 PCB Layout 9 5 2 PCB Layout TQSB PCB...