Oki OKIFAX 5750 Service Manual Download

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OKIFAX 5750 // 5950

Facsimile Machine

SERVICE
MANUAL

Summary of Contents for OKIFAX 5750

Page 1: ...OKIFAX 5750 5950 Facsimile Machine SERVICE MANUAL...

Page 2: ...Specifications 15 Table 1 5 1 6 8 Basic Performance Specifications 16 Table 1 5 1 7 8 Basic Performance Specifications 17 Table 1 5 1 8 8 Basic Performance Specifications 18 1 6 Reports and Lists 19 1...

Page 3: ...6 6 Self Diagnosis Report 21 1 6 6 1 Difference from OKIFAX5700 OF5900 21 1 6 6 2 Report Image 21 1 6 7 G3 Protocol Dump 21 1 6 7 1 Difference from OKIFAX5700 OF5900 21 Protocol Dump P1 21 Protocol D...

Page 4: ...21 1 6 16 Broadcast Entry Report 21 1 6 16 1 Difference from OKIFAX 5700 5900 21 Broadcast Entry Report P1 21 Broadcast Entry Report P2 21 Broadcast Entry Report P1 for OKIFAX 5950 1 2 21 Broadcast En...

Page 5: ...ation 76 2 2 Site Selection 77 2 3 Unpacking 78 2 4 Contents Idenfication 79 2 5 Installation of Attachments 80 2 6 AC Cord Connection 81 2 7 Telephone and Line Connections 82 2 8 Packing for Shipment...

Page 6: ...tial Settings Table 2 9 2 3 10 11 109 Service Personnel Initial Settings Table 2 9 2 3 11 11 110 2 9 2 4 TEL FAX Automatic Switching 111 2 9 2 5 TAD mode 112 2 9 2 6 Outline of Parallel Pickup 113 2 9...

Page 7: ...Email Addr 141 2 9 5 7 LAN Options 1 2 137 2 9 5 7 LAN Options 2 2 137 2 9 6 User Default Setting 1 142 2 9 6 User Default Setting 2 142 2 9 7 Default Setting of Dial Parameters 143 2 9 8 Technical D...

Page 8: ...ar Cover and NCU Cover 167 4 3 3 Main Cover 168 4 3 4 Operation Unit 169 4 3 5 NCU Board 170 4 3 6 MODEM Board 171 4 3 7 Plate Package 172 4 3 8 Scanner Unit CIS 173 4 3 9 Stacker Frame 174 4 3 10 Pri...

Page 9: ...pection 200 6 3 Printer Counter Display Clear User 201 6 4 Printer Counter Display Clear Service 202 6 5 Self Diagnosis Test 203 6 6 Sensor Calibration Test 204 6 7 LED Test 205 6 8 Tone Send Test 206...

Page 10: ...17 Power Supply Unit 235 7 18 No Document Feeding 236 7 19 Multiple Document Feeding 237 7 20 Document Skew 238 7 21 Document Jam 239 7 22 Printer Unit 240 7 22 1 Precautions 241 7 22 2 Troubleshootin...

Page 11: ...oubleshooting Flow Chart 259 7 24 Auto Dial Failure G3 Dual Line 259 7 25 Transmission Problem G3 Dual Line 259 7 26 Auto Reception Failure G3 Dual Line 259 7 27 Reception Problem G3 Dual Line 259 7 2...

Page 12: ...rol A3 1 4 JBIG Control A3 1 5 Scanner Motor Control A3 1 6 CPU Peripheral Circuits A3 1 7 LED Head Control A3 1 8 Heater Control A3 1 9 Printer Motor Control A3 1 10 Toner Low Detection 282 A3 1 11 C...

Page 13: ...1 Errors List 297 B 3 2 Major Trouble Errors 298 B 3 2 1 Fuse Error 299 B 3 2 2 Fan Error 300 B 3 2 3 Paper Feed Monitoring 301 B 3 2 4 2 nd Tray Communication Error 302 B 3 2 5 Cover Open 303 B 3 3 R...

Page 14: ...nt 325 3 1 Precautions Concerning Parts Replacement 326 3 2 Parts Layout 327 3 3 Parts Replacement Methods 328 3 3 1 Stepping motor Hopping 329 3 3 2 TQSB2 PCB 330 3 3 3 Hopping Roller Shaft Assy and...

Page 15: ...t Laurel NJ 08054 3499 Web Site www okidata com Copyright Listing OKIDATA is a registered trademark of Oki Electric Industry Company Ltd marques deposee de Oki Electric Industry Company Ltd marca regi...

Page 16: ...ter l 208 6 mm ISO A4 size 1 l Printing width will be 206 mm 6 Scanning length 128 mm to 356 mm 5 06 inches to 14 inches l Length setting Long documents 1500 mm are also available 7 Automatic document...

Page 17: ...0 dpi Transmission is available l 13 Scanning method 2592 bits contact image sensor l 14 Recording resolution a Horizontal 600 dots inch b Vertical Variable STD mode A4 3 85 to 5 06 line mm Letter 3 8...

Page 18: ...correction mode ECM ITU T ECM l 23 Image memory Basic mode 2 5 M byte OKIFAX 5750 4 5 M byte OKIFAX 5950 l Optional memory 2 0 4 0 8 0 M byte l 24 Liquid crystal display LCD Four lines of 20 characte...

Page 19: ...te For details see Product Specification for FAX2NET Specification 31 G3 Dual Line Function option Note For details see Product Specification for G3 Dual Line Function 32 600 dpi Communication option...

Page 20: ...750 l 240 stations for OKIFAX 5950 l 7 Delayed broadcast 20 specified times for OKIFAX 5750 l 30 specified times for OKIFAX 5950 l 8 Confidential message transmission Feeder Confidential TX l Memory C...

Page 21: ...9 Automatic alternate selecting call FAX No FAX No can be registered in one touch keys OKIFAX 5750 Speed Dial 1 to 40 are assigned to one touch keys l OKIFAX 5950 Speed Dial 1 to 80 are assigned to o...

Page 22: ...26 Printer counter display For drum toner print and scan 27 Quick scanning 28 Time and date setting 29 Language selection 2 languages LCD and Report l 30 Distinctive ring detect 31 Restricted access...

Page 24: ...em receive test When NCU board is installed 7 MF tone test When NCU board is installed 8 Tone TEL FAX test When NCU board is installed 9 Loop back 1 When ISDN option board is installed 10 Loop back 2...

Page 25: ...ear l 4 Default type set 5 PC loading 6 G4 PC loading 7 G3 PC loading Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any upd...

Page 26: ...e Figure 1 4 1 shows the general appearance of the OKIFAX 5750 5950 Figure 1 4 2 Control Panel for OKIFAX 5750 5950 Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki...

Page 27: ...KIFAX 5750 5950 Chapter 1 General Information Page 7 1 4 1 General Appearance of OKIFAX 5750 5950 Figure 1 4 1 shows the general appearance of the OKIFAX 5750 5950 Figure 1 4 1 General Appearance of O...

Page 29: ...Chapter 1 General Information Page 9 1 4 2 Control Panel Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to this...

Page 30: ...ce Specifications Table 1 5 1 4 8 Basic Performance Specifications Table 1 5 1 5 8 Basic Performance Specifications Table 1 5 1 6 8 Basic Performance Specifications Table 1 5 1 7 8 Basic Performance S...

Page 31: ...wer level 0 dBm to 15 dBm range Adjustable in 1 dB steps Technical Setup No 21 3 Receiving power level 0 dBm to 40 dBm In case of V 34 TX RX 3 to 43 dBm 3 Type of document to be transmitted 1 Width Ma...

Page 32: ...to pass through them Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 33: ...r A4 size paper Max 30 documents 16 to 28 60 to 105gm NA or A4 size paper Documents shall be placed face down on ADF stacker 6 Document skew Max 1 0 mm skew over any advance of 100 mm The occurrence o...

Page 34: ...lity will remain valid 8 Document jam removal Manual release Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to t...

Page 35: ...erox 4200 type or equivalent 2 Size ISO A4 210 mm x 297 mm NA Letter 215 9 mm x 279 4 mm 8 5 inch x 11 inch NA Legal 14 215 9 mm x 355 6 mm 8 5 inch x 13 inch 3 Weight 16 lbs to 24 lbs 60 to 105 gm ba...

Page 36: ...sheets cassette Oki Data recommended paper Up to 500 sheets cassette Oki Data recommended paper Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partne...

Page 37: ...a 1 Printable area Letter Size A4 Size 14 inch Legal Size 13 inch Legal Size inch mm inch mm inch mm inch mm PL 11 279 4 11 7 297 14 355 6 13 330 2 PW 8 5 216 8 27 210 8 5 216 8 5 216 EL 10 76 273 4 1...

Page 38: ...B 0 25 6 35 0 25 6 35 0 25 6 35 0 25 6 35 L 0 25 6 35 0 25 6 35 0 25 6 35 0 25 6 35 R 0 25 6 35 0 25 6 35 0 25 6 35 0 25 6 35 Note The printable area means the area allowing actual printing at the tim...

Page 39: ...esolution Horizontal 600 dot inch interpolated and 300 dot inch Note 600 dpi x l 15 4 mm 600 dpi x 600 dpi Copy is available Vertical Transmission mode 3600 dot inch 15 4 lines mm EX FINE 7 7 lines mm...

Page 40: ...an 1 2 OD 2 White background Not greater than 0 2 OD Note OD Optical density 22 Copy uniformity Printed copies will exhibit a uniform density of the printed and background area 1 From edge to edge 25...

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Page 42: ...d modified READ MMR 3 JBIG only for OKIFAX 5950 26 Modem operations 1 High speed Modem ITU T Rec V 29 9600 7200 bps l ITU T Rec V 27 ter 4800 2400 bps l ITU T Rec V 17 14400 12000 9600 7200 bps l ITU...

Page 43: ...the line condition l V 34 fallback sequence The modem automatically selects transmission speed according to the line condition l No Item Specifications 28 Protocol 1 ITU T Rec T 30 2 Oki Data special...

Page 44: ...e Final 8 5 sec V34 1 0 sec V34 1 0 sec V34 Initial Intermediate Final 8 5 sec V34 1 0 sec V34 1 0 sec V34 G3 Basic Image Time 33600 Standard 3 0 sec Fine 4 2 sec 33600 Standard 2 5 sec Fine 3 5 sec N...

Page 45: ...s available while the power is on Note In the fax special versions general telephone is available even when the power is off 35 Overheat protection The heater of the fuser unit is controlled within th...

Page 46: ...forward compatible with future products utilizing an OkiHSP compatible interface Installing the NIC card for OKIFAX 5750 5950 provides l Network print service as an option 1 Network 3 1x 4 1x 2 TCP IP...

Page 47: ...ote 1 When the G3A option board is installed other option board G4A JCI NIC board cannot be used Note 2 For details see Product Spec G3 Dual Line Function 42 600 DPI Communication Resolution of 600 dp...

Page 48: ...uring Storage Unit Temperature 50 90 10 32 32 110 0 43 14 110 10 43 o F o C Humidity 20 80 10 90 10 90 RH Maximum wet bulb temperature 77 25 80 4 26 8 o F o C Minimum difference between wet and dry bu...

Page 49: ...3 Toner cartridge x 1 4 Telephone line cord x 1 5 Document stacker x 1 6 One touch sheet x 1 Already installed 7 User s guide x 1 Copyright 2000 Oki Data Division of OKI America Inc All rights reserve...

Page 50: ...ocol Dump 1 6 8 G4 Protocol Dump 1 6 9 Relay Broadcast Confirmation 1 6 10 Internet Fax Reception Error Report Error Mail Report 1 6 11 Activity Report 1 6 12 Message Confirmation 1 6 13 Power Outage...

Page 52: ...ted out for maintenance purpose Description 1 Title of the report 2 Date and time when the report was printed 3 Sender ID 4 User programmed function parameters Machine Settings No 10 to No 31 l Dialin...

Page 53: ...tion Parameters Technical Function Setup No 01 to No 45 Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to this m...

Page 54: ...described 7 Acquire and describe data on NIC side Keep this blank if interface error occurs to NIC 8 If telephone number is not registered make whole the line blank instead of the number portion only...

Page 55: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 1 6 1 2 Report Image...

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Page 61: ...an be printed out manually from the report operation The list is printed out user function only and does not print technical function Copyright 2000 Oki Data Division of OKI America Inc All rights res...

Page 62: ...sequence Change 6 Describe only when G3 option is installed New 7 Constantly describe New 8 Describe only when G3 option is installed New 9 Constantly describe New 10 Describe only when G3 option is i...

Page 63: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 1 6 2 2 Report Image...

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Page 68: ...report by pressing HELP key while the device is in standby state Following this report output conventional function list 4 sheets in total Copyright 2000 Oki Data Division of OKI America Inc All right...

Page 69: ...AX 5750 5950 Chapter 1 General Information Page 21 1 6 3 1 Report Image Conditions for Description 1 If the line for descriptions is in blank don t move up descriptions in the following lines Keep the...

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Page 72: ...Programmed ID up to 64 characters 5 Programmed Speed Dial telephone numbers up to 40 digits 6 Programmed alternative destination ALT alternate TEL No telephone numbers ALT 1 to 40 for OKIFAX 5750 1 t...

Page 73: ...RL may be described in the LOCATION ID column of Speed Dial 001 to 040 Character string including lower case alphabetic characters and symbols Max 64 characters Copyright 2000 Oki Data Division of OKI...

Page 74: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Telephone Directory P1 for OF5750...

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Page 77: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Telephone Directory P2 for OF5750...

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Page 80: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Telephone Directory P3 for OF5750...

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Page 83: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Telephone Directory P4 for OF5750...

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Page 86: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Telephone Directory P5 for OF5750...

Page 88: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Telephone Directory P1 for OF5950...

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Page 91: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Telephone Directory P2 for OF5950...

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Page 94: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Telephone Directory P3 for OF5950...

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Page 97: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Telephone Directory P4 for OF5950...

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Page 100: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Telephone Directory P5 for OF5950...

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Page 103: ...1 General Information Page 21 Telephone Directory P6 for OF5950 Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates...

Page 104: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Telephone Directory P6 for OF5950...

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Page 107: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Telephone Directory P7 for OF5950...

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Page 110: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Telephone Directory P8 for OF5950...

Page 112: ...Directory Telephone Directory When the destination is registered by SPEED DIAL No 1 No 50 and No 100 only Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Busin...

Page 113: ...roup 1 to 20 through operation Description 1 Title of the list 2 Date and time when the list was printed 3 Sender ID 4 Registered Group No and ID 5 Registered location ID up to 40 characters Copyright...

Page 114: ...of Speed Dial 001 to 040 Character string including lower case alphabetic characters and symbols Max 40 characters If the number of characters exceeds 40 description will be made from the top Copyrig...

Page 115: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Group Directory for OKIFAX5750...

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Page 118: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Group Directory P1 for OKIFAX5950...

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Page 121: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Group Directory P2 for OKIFAX5950...

Page 123: ...BPX for any updates to this material http bpx okidata com...

Page 124: ...ies January 2001 Group Directory When the destination of SPEED DIAL No 1 No 50 and No 100 is selected by the group designation Copyright 2000 Oki Data Division of OKI America Inc All rights reserved S...

Page 125: ...t Purpose To check ROMs RAMs and Printing function Method The report will be manually printed out for maintenance purpose Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See th...

Page 126: ...mation of option board is disabled nn 01 Waiting for PC loading At power ON BOOT2 signal from the Host read that PC is in loading mode nn 02 Abnormal Board At power ON PROGRAM HASH of ISDN board was N...

Page 127: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 1 6 6 2 Report Image...

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Page 130: ...2 Date and time when the report was printed 3 Sender ID 4 Date of communication 5 Time of communication 6 One message transmission reception time 7 Identification of remote station CSI and or telepho...

Page 131: ...ormation of ITU T V 34 TX RX page2 23 Modem trace page2 Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to this m...

Page 132: ...om 13 bytes to 20 bytes of descriptions Change Transmitted DCS from 13 bytes to 20 bytes of descriptions Change Transmitted NSF from 60 bytes to 100 bytes of descriptions Change Transmitted NSC from 6...

Page 133: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Protocol Dump P1...

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Page 136: ...0 Chapter 1 General Information Page 21 Protocol Dump P2 Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to this...

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Page 138: ...printed out Descriptions 1 Title of the report 2 Date and time when the report was printed 3 Sender ID 4 Date of communication 5 Time of communication 6 One message transmission reception time 7 Ident...

Page 139: ...TCC TCR TCA 22 CSS 23 RSSP RSSN 24 CD CL 25 RDCLP 26 CDS 27 CDUI Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates...

Page 140: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Protocol Dump P1...

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Page 143: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Protocol Dump P2...

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Page 146: ...ed dial 8 Registered location ID Speed dial or Identification of the remote station 9 Required transmission address Ten key dial 10 Transmitted number or pages for each address 11 Identification of th...

Page 147: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Relay Broadcast Confirmation Report P1 for OKIFAX 5750...

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Page 150: ...Information Page 21 Relay Broadcast Confirmation Report P2 for OKIFAX 5750 Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for a...

Page 151: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Relay Broadcast Confirmation Report P1 for OKIFAX 5950...

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Page 154: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Relay Broadcast Confirmation Report P2 for OKIFAX 5950...

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Page 157: ...ile not printable by the interna tional fax is included always output irrespective of the setting Descriptions of the content of communication are same as for the Reception of Internet FAX of 1 3 5 of...

Page 158: ...on Report Relay Broadcast Confirmation Report When the destination is specified by SPEED DIAL No 1 No 50 No 100 and KEYPAD Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See t...

Page 159: ...Time when the communication started 7 Length of time for which the OKIFAX 5750 5950 was connected to the line 8 Identification of the remote station Personal ID CSI TSI Location ID Dial number Called...

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Page 161: ...1 6 23 Descriptions of Communication Mode Column Internet FAX transmission reception l Fax2Net transmission l Relay function Relay request reception relay broadcast relay confirmation report l 4 Desc...

Page 163: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Activity Report...

Page 165: ...ion Personal ID CSI TSI Location ID Dial number Called TID Calling TID 9 Mode of the communication CALLING CALLED Memory reception CONT XX XX Box No Confidential reception B C Broadcast TX POLLED Poll...

Page 166: ...KIFAX5700 5900 Same as 1 5 of 1 6 11 Activity Report Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to this mate...

Page 167: ...Page 21 1 6 12 1 Difference from OKIFAX5700 5900 Same as 1 5 of 1 6 11 Activity Report Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchan...

Page 168: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Message Confirmation When the transmission is the normal end...

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Page 171: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Message Confirmation Error Report...

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Page 174: ...atically at power recovery Descriptions 1 Title of the report 2 Date and time when the report was printed 3 Sender ID 4 Reserved transmission date 5 Reserved transmission time 6 Communication time 7 I...

Page 175: ...5900 Same as 1 6 11 Activity Report However description of MODE column for Fax2Net G3 transmission will be CALLING instead of FNET Copyright 2000 Oki Data Division of OKI America Inc All rights reser...

Page 176: ...Chapter 1 General Information Page 21 Power Outage Report Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to this...

Page 177: ...ion 5 Time when the communication started 6 Length of time for which the OKIFAX 5750 5950 was connected to the line 7 Identification of the remote station 8 Mode of the communication The stored confid...

Page 178: ...n Page 21 1 6 14 1 Difference from OKIFAX5700 5900 Same as 2 of 1 6 11 Activity Report Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchang...

Page 179: ...hapter 1 General Information Page 21 Confidential RX Report Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to th...

Page 180: ...e reception messages stored in the memory l 5 TRANSMISSION Delayed transmission standby of redial Prints the information of Delay memory transmission and Redial However Polling RX information is print...

Page 182: ...2 Adds the following to the TRANSMISSION MODE column For details read 1 6 23 Descriptions of Communication Mode Column Descriptions of Internet FAX and or Fax2Net Email queuing for transmission at sp...

Page 183: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Active Memory Files P1...

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Page 186: ...hapter 1 General Information Page 21 Active Memory Files P2 Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to th...

Page 187: ...neral Information Page 21 Active Memory Files In case of within 1 page Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any up...

Page 188: ...tions 1 Title of the report 2 Date and time when the report was printed 3 Sender ID 4 Required transmission address Speed dial 5 Registered location ID 6 Required transmission address Ten key dial Cop...

Page 189: ...ION ID column of the keypad Character string containing the lower case alphabetic characters and symbols l Speed Dial Descriptions of maximum 40 characters If exceeding 40 characters description start...

Page 190: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Broadcast Entry Report P1...

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Page 193: ...pter 1 General Information Page 21 Broadcast Entry Report P2 Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to t...

Page 194: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Broadcast Entry Report P1 for OKIFAX 5950 1 2...

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Page 197: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 Broadcast Entry Report P1 for OKIFAX 5950 2 2...

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Page 200: ...ast Entry Report When the destination of Broadcast TX is specified by SPEED DIAL No 1 No 50 and No 100 Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business...

Page 201: ...0 Transmitted number or pages for each address 11 Identification of the result of communication Descriptions enabled of Email address for Internet FAX and Fax2Net specified to Speed Dial 001 to 040 an...

Page 202: ...ast entry report can be output in the specified operation of the delivery address Format is the same as the conventional broadcast entry report but the following description only differs Copyright 200...

Page 203: ...wly outputs debug log information by the firm of G3 option board Report format is identical with MCNT and the log information by the firm of G4 option Copyright 2000 Oki Data Division of OKI America I...

Page 204: ...ion Page 21 1 6 20 NIC Configuration Refer to the Internet FAX System Specifications Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange...

Page 205: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 NIC Configuration Type 1 ODA Version...

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Page 208: ...apter 1 General Information Page 21 NIC Configuration Type 2 Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to t...

Page 209: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 1 6 21 NIC Information...

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Page 212: ...OKIFAX 5750 5950 Chapter 1 General Information Page 21 1 6 22 E mail Maintenance Report When EMAIL MAINTENANCE ON Setting by service personnel e mail is transmitted at 00 00 a m every day the followin...

Page 213: ...Note No actual combination of G3 opt and NIC opt exists in the above figure 1 Satisfies the described condition of self diagnosis report...

Page 214: ...ear end is detected NORMAL or LOW 6 PRINTER ALARM To be described the classification when printer alarm is detected NONE or PA2 or PA3 or PA4 Stored in the LAN buffer as ASCII format l One line does n...

Page 215: ...nication Mode Column 1 6 23 1 Mode Column in Activity Report 1 6 23 2 Mode Column in MCF multi Report with without pictures Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See...

Page 216: ...lank for other than GER SUI and AUT 3 Simultaneous or relay broadcast of IFAX will be effected for all the addresses at one transmission Therefore descriptions to the Activity Report will be in a sing...

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Page 218: ...ormation Page 21 1 6 23 2 Mode Column in MCF multi Report with without pictures Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX f...

Page 219: ...for communication is cancelled 1 6 24 3 Reports to be output upon canceling communication by pressing STOP Key 1 6 24 4 Reports to be output upon the communication error end 1 6 24 5 Reports to be out...

Page 220: ...or each address in the broadcast l transmission is cancelled When making output of the latest report on the transmission result by pressing ENTER key l during standby if backup should be interrupted a...

Page 221: ...Service Guide OKIFAX 5750 5950 Chapter 1 General Information Page 21 1 6 24 2 Reports to be output when queuing for communication is canceled...

Page 223: ...Page 21 1 6 24 3 Reports to be output upon canceling communication by pressing STOP Key Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchan...

Page 224: ...ormation Page 21 1 6 24 4 Reports to be output upon the communication error end Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX f...

Page 225: ...cation is completed normally 1 By Image in MCF setting even though this setting is set to ON MCF MULTI for relay broadcast is without picture Copyright 2000 Oki Data Division of OKI America Inc All ri...

Page 226: ...Service Guide OKIFAX 5750 5950 Chapter 2 Installation Page 76 2 1 General Setup Information The following flowchart outlines the installation procedure...

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Page 229: ...Handbook 2 Memory board G4 option board LAN option board Second cassette unit etc Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX...

Page 230: ...itude of 2500m 8020 feet and below l 5 Exposure Within five minutes at luminous intensity 2 000 lux l 6 Required space for installation The facsimile requires the space as shown below for safety and g...

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Page 232: ...the recording paper cassette 3 This space is necessary for installing the document stacker and allow space for the fan exhaust Copyright 2000 Oki Data Division of OKI America Inc All rights reserved S...

Page 233: ...ge 78 2 3 Unpacking Procedure 1 Remove tape on the top of the carton box and open its cover Figure 2 3 1 1 Unpacking Procedure 1 2 Take out the accessory box from the carton box See Figure below 2 3 3...

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Page 236: ...ding to the following list Item No Name Quantity Remarks 1 OKIFAX 5750 5950 facsimile 1 2 AC power cord 1 3 I D unit 1 Already installed 4 Toner cartridge 1 5 Document stacker 1 6 Telephone line code...

Page 237: ...Items Image Drum ID Unit already installed l Toner cartridge l Recording paper l Document stacker l 2 Procedure 1 Toner cartridge Peel off the fixed tape attached to the tray paper l Open the cover to...

Page 238: ...n in the illustration to eliminate the toner deflection and peel off the l seal gently Figure 2 5 3 Toner Cartridge Installation 3 Ensure that the plastic tab on the right hand side of the toner cartr...

Page 239: ...in the vicinity of the toner cartridge using a cloth moistened with cold l water Do not use hot water since it makes the toner stick there Close the cover assembly top until the buttons have been lock...

Page 240: ...exceed the paper full marker of the new paper limit indication If excessive sheets are set it will cause paper jams l After loading the new paper push it forward into the slot at the front of the facs...

Page 242: ...d voltage range and if so check that the power switch is turned OFF After turning off the power switch connect the female plug of the AC cord to the machine and insert the male plug of the AC cord to...

Page 243: ...on Page 82 2 7 Telephone and Line Connections 1 Procedure Connect the lines l Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for...

Page 244: ...5750 5950 for shipment REMOVE THE IMAGE DRUM AND TONER FROM THE UNIT AND SHIP SEPARATELY Failure to do this will result in damage to the machine Copyright 2000 Oki Data Division of OKI America Inc Al...

Page 245: ...er s Functions 2 9 4 Location Program 2 9 5 Setup 2 9 6 User Default Setting 2 9 7 Technical Default Setting 2 9 8 Default Setting of Dial Parameters 2 9 9 Off line Tests 2 9 10 On line Tests Copyrigh...

Page 246: ...sired function Speed Access l If the function is assigned a speed access number typing this number in at the menu display prompt in the first operational layer will bring up the setting or registratio...

Page 247: ...Service Guide OKIFAX 5750 5950 Chapter 2 Installation Page 86 User Functions User Functions...

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Page 254: ...d and press the ENTER SHIFT RIGHT key 5 The display will be shown SETUP 6 You can access a desired function by switching among menus using SHIFT keys 2 Speed access 1 The machine is standby state with...

Page 255: ...2 9 2 1 Technical Functions Operation 1 Select Menu is shown as below 1 Local Test 2 Technical Setup Go to Section 2 9 2 2 3 System Reset 4 Default Type Set 5 PC Loading 6 G4 PC Loading or G3 PC Load...

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Page 258: ...Service Guide OKIFAX 5750 5950 Chapter 2 Installation Page 89 2 9 2 2 Technical Functions Operation 2...

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Page 269: ...9 2 2 1 T1 TX Timer Value Set the T1 timer call connection wait time XTTO for transmission Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exc...

Page 270: ...AX 5750 5950 Chapter 2 Installation Page 91 2 9 2 2 2 T1 RX Timer Value Set the T1 timer for reception The time from issue of the first DIS to issue of a signal is checked If a time out occurs the lin...

Page 272: ...econds for which the fax detects the EOL interval during reception of phase C The fax disconnects the line when EOL cannot detect within T2 Timer Copyright 2000 Oki Data Division of OKI America Inc Al...

Page 273: ...ion Registers the threshold value whether to transmit RTN or MCF signal when the error occurs in received data Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data...

Page 274: ...djusts the attenuation dB for the message send signal power level Adjusting value is 0 to 15dB in one dB steps Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data...

Page 275: ...t Adjusts the attenuation dB for the send MF tone power level Adjusting the value is 0 to 15dB in one dB steps Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data...

Page 276: ...djusts the attenuation dB for the send MF tone power level Adjusting the value is 0 to 15dB in one dB steps Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Bus...

Page 277: ...lects the minimum ring detection time to meet country s requirements Adjusting time is 100MS to 990MS in 10MS steps Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki...

Page 278: ...iming 100ms Selects the time from end of ring to CML ON Adjusting time is 100MS to 1900MS in 100MS steps Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Busine...

Page 279: ...of LED printhead strobe signals 00000 11111 Selection of strobe width in LED head 00000 is lightest and 11111 is darkest Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See th...

Page 280: ...rvice Guide OKIFAX 5750 5950 Chapter 2 Installation Page 99 2 9 2 2 11 ADMIN Email Addr Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchan...

Page 281: ...BPX for any updates to this material http bpx okidata com...

Page 282: ...1 Setting values ON Enables the serviceman to make settings OFF Disables the serviceman to make settings 02 Monitor control Sets up the line monitor If this setting is OFF at the time of transmission...

Page 284: ...5 TSI print Determine whether a TSI is to be printed in the received image 1 Setting value ON Printed OFF Not printed When this setting is ON and TIME DATE PRINT is set to ALL a TSI is printed on all...

Page 285: ...s ready for reception After completion of message recording the line is switched to the facsimile If CNG is detected while the telephone is answering automatically reception starts immediately 1 Setti...

Page 286: ...External telephone is off hooked TYPE2 selectable OFF Real time dialing is disabled accumulated dialing only TYPE1 Enabled when the external telephone is off hooked TYPE2 Enabled when the external te...

Page 287: ...D display and report printing 1 Setting value MDY Month Day Year DMY Day Month Year selectable 10 Long Doc SCAN Determine whether long documents 380 mm or longer are to be scanned during transmission...

Page 288: ...ting affects the following settings Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to this material http bpx oki...

Page 289: ...eed modem rate Set the initial value of modem transmission speed 1 Setting values 33 6 28 8 14 4 9 6 4 8k bps selectable 14 T1 TX timer value Set the T1 timer call connection wait time XTTO for transm...

Page 290: ...it timer If any signal cannot be detected within the timer set time the fax disconnects the line 1 Setting values 1 255 selectable in 100 ms steps Enter a value with ten keys Actual value Set value x...

Page 291: ...or Criterion Set an image error criterion RTN sending standard Sets the threshold value whether to transmit RTN or MCF signal when the error occurs in received data 1 Setting values 00 99 selectable i...

Page 293: ...et between 0dB to 6dB Enter a value with ten keys Note The send signal power level should meet your country s regulations Some country s may specify the power level at telephone exchange In that case...

Page 294: ...a line seizure timing within the range from 100 ms to 1900 ms 1 Setting values 1 19 selectable in 100 ms steps Enter a value with ten keys Actual value Set value x 100 ms Suppose the set value is 03 t...

Page 295: ...Note1 When the rank marking of the new replaced LED print head new part is same as that of the old used LED print head old part you do not always have to set the LED print head strobe signal Note2 Int...

Page 297: ...r is to be remembered 1 Setting values ON Remembered OFF Nor remembered 30 Symbol rate Set the V 34 modem symbol rate 1 Setting values 2400 2800 3200 3429 selectable 31 NSF switch Determine whether th...

Page 299: ...priority Determines whether the personal ID or TSI is given priority during LCD display and printing 1 Setting values ID Personal ID is given priority TSI TSI is given priority 33 Toner counter clear...

Page 300: ...from a telephone set connected parallel to the telephone line For the detail see section 2 9 2 6 Outline of Parallel Pick Up 1 Setting values ON Enabled OFF Disabled Copyright 2000 Oki Data Division...

Page 301: ...ting is set to ON the memory capacities decreases to 716k bytes 36 RELAY BROADCAST Sets up whether to make relay broadcast 1 Setting value ON Make relay broadcast OFF Make no relay broadcast Opening r...

Page 302: ...lue when G3 Fax is used in the ISDN line 1 Setting value 3 1 KHz SPEECH 42 GATEWAY SERVICE Sets up whether to make relay service for Email and public line 1 Setting value ON Relay OFF Not Relay Settin...

Page 303: ...tored in NIC Data transfer to NIC required for changing the content of the setting Setting enabled only when NIC TYPE2 IFAX enabled is installed This setting operation cannot be selected when HSP erro...

Page 304: ...ing back tone within a predetermined time If the operator at the called side does not lift the handset within the predetermined time the machine automatically starts a document receiving operation Voi...

Page 305: ......

Page 306: ...ately to start FAX communication if the CNG is detected during the period 4 If the fax does not detect CNG signal during working of TEL FAX mode LCD display indicates LIFT HANDSET Copyright 2000 Oki D...

Page 307: ...your messages l TAD records your speech and switches an automatic voice message response to the calling station l Note 1 A choice of TAD mode is available by technical Function Setup No 06 Note 2 The...

Page 308: ...x does not CNG signal during working of TAD the fax will go to standby state 2 In case of TYPE 3 The fax does not detect CNG signal during 15 seconds from TAD operation starting The fax starts CNG sig...

Page 309: ...ds TAD operation on hook of TAD operation the fax return to standby state Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any...

Page 310: ...ets B A A and A are connected to a telephone line Since A A and A are connected to the line via fax off hook status of any of the telephone sets can be detected by the OFF HOOK Detector 16 in the bloc...

Page 311: ...side view...

Page 312: ......

Page 314: ...s usually set up by general users Select Menu is shown as below l 1 Delayed TX 2 Delayed Batch TX 3 Priority TX 4 Confidential TX 5 Relay initiate TX 6 Internet TX 7 Polling TX RX 8 Fax2Net Service 9...

Page 315: ......

Page 317: ...ION PROGRAM indicated by the blinking cursor is selected and press the ENTER SHIFT RIGHT key 5 The display will be shown LOCATION PROGRAM and you can access a desired function by switching among menus...

Page 318: ...stallation Page 116 2 9 4 1 Select Menu is shown as below 1 Speed Dial 2 Group 3 Batch TX Time 4 Forwarding No 5 Forward ON P ERR 6 Relay Report No 7 FAX Network PRG Location Program For operation and...

Page 319: ......

Page 321: ...e number is doubly registered in a one touch key in which an EMAIL or WEB address is already registered the EMAIL or WEB address is deleted This will be the object of collation of the closed network s...

Page 322: ...OT EMAIL l ADDRESS 64 digits CAPS is OFF by default CAPS OFF DISPLAY If calling address is specified EMAIL ADDRESS too will be the object of the address search If EMAIL ADDRESS is registered to OT to...

Page 323: ...d 15 characters ten keys 0 9 alphabetic characters uppercase and lowercase characters special characters PAUSE HYPHEN SPACE Special Dial to which EMAIL ADDRESS is registered can be group registered Ho...

Page 325: ...phone number is set FWD can be specified in the AUTO ANSWER mode 1 Number of forwarding destination that can be specified OKIFAX 5750 5950 1 The HYPHEN key is prohibited when country code is set to FR...

Page 326: ...server to be used When setting PBX it is necessary to register a number including the Dial Prefix for switching PBX to PTT This will be the object of collation of closed communication service 40 digi...

Page 327: ...is cleared the other will be cleared Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to this material http bpx o...

Page 328: ...n SETUP and you can access a desired function by switching among menus using SHIFT keys and press the ENTER SHIFT RIGHT key 1 Select Menu is shown as below Note There are two methods for accessing a d...

Page 329: ......

Page 330: ...NIC TYPE FUNC NOT AVAIL is indicated during 3 seconds by pressing ENTER key in case of MUPIS I F error or during NIC Initialization Copyright 2000 Oki Data Division of OKI America Inc All rights rese...

Page 331: ...Set the date year month and day and time Select either MDY month day year or DMY day month year 1 Setting values Year 1996 2095 Month 1 12 Day 1 31 vary with years and months Time 00 00 to 23 59 When...

Page 333: ...5750 5950 Chapter 2 Installation Page 121 2 9 5 2 ID Password Programming 01 TSI CSI 02 TSI CSI Option 03 Sender ID 04 Personal Box 05 Mem Password 06 Restrict ID 07 ISDN TID Country Code ISDN No ISD...

Page 334: ......

Page 335: ...used to register a TSI CSI 20 characters ten key 0 9 HYPHEN SPACE This setting is disabled when G3 OPTION is not installed 03 Sender ID Register a sender ID 1 Number of characters used to register a s...

Page 336: ...9 only Group address Specification by Speed Dial enabled Discretely not allowed Registration by Group Dial enabled Whole Speed Dial may be registered as one group for maximum Speed Dial to which Email...

Page 337: ...be checked on the machine However it can be checked using RMCS 06 Restrict ID Register a restriction ID Persons who do not know the password cannot use the machine A restriction ID can be registered...

Page 338: ...address 1 Setting values 19 characters digits only The setting data must be transferred to the G4 board Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Busine...

Page 339: ...Chapter 2 Installation Page 122 2 9 5 2 1 TSI CSI This function is used to register TSI CSI 1 After the first digit is entered ENTER WHEN DONE is displayed It will not change if all characters are er...

Page 340: ...maximum of 20 characters numerical characters and space Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to this m...

Page 341: ...Service Guide OKIFAX 5750 5950 Chapter 2 Installation Page 122 2 9 5 2 2 TSI CSI Option 1 After the first digit is entered ENTER WHEN DONE is displayed It will not change if all...

Page 342: ...ter the TSI CSI with a maximum of 20 characters numerical characters and space Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX fo...

Page 343: ...on Page 123 2 9 5 2 3 Sender ID This function is used to register a sender ID Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for...

Page 344: ...Service Guide OKIFAX 5750 5950 Chapter 2 Installation Page 123 2 9 5 2 4 ISDN Tid This function is used to set a terminal ID...

Page 345: ......

Page 346: ...code only with digits max 3 digits 2 Enter an ISDN subscriber number only with digits max 20 digits 3 Enter an ISDN ID subscriber code only with alphanumeric characters lowercase characters can be use...

Page 348: ...ation Page 123 2 9 5 2 5 ISDN Sub No This function is used to set a sub address 1 Enter a sub address only with digits max 19 digits Copyright 2000 Oki Data Division of OKI America Inc All rights rese...

Page 349: ...BPX for any updates to this material http bpx okidata com...

Page 350: ...NE EXTRA FINE PHOTO LIGHT NORMAL DARK 16 No Toner Mem RX OFF ON 17 Mem Full Save OFF ON 18 Instant Dialing OFF ON 19 Restrict Access OFF ON 20 ECM Function OFF ON 21 Closed Network OFF TX RX RX 22 Ton...

Page 351: ......

Page 352: ......

Page 353: ......

Page 354: ......

Page 356: ...Service Guide OKIFAX 5750 5950 Chapter 2 Installation Page 125 2 9 5 3 1 Auto Answer Mode This function is used to set up the auto answer mode...

Page 357: ......

Page 358: ...ROM MEMORY directly without returning to the standby mode you need not enter the password again The G4 model does not have T F and TAD modes Copyright 2000 Oki Data Division of OKI America Inc All rig...

Page 359: ...with a document set in the feeder Table 2 9 5 3 Machine Settings 1 5 No Item Specifications 10 Auto answer mode Set up the auto answer mode FAX TEL T F TAD MEM PC FWD The following restrictions are pl...

Page 360: ...s under the above condition the password need not been entered again 4 PC mode PCFAX mode This mode can be selected only when MFPUNLOCK hidden setting is set to ON default 5 FWD FORWARDING mode redire...

Page 361: ...el is low 1 Setting values ON Memory reception OFF Recording paper reception ON Data received in the memory when the toner level is low OFF Data is received on recording paper if the toner level is lo...

Page 362: ...ation is not restricted ON The ID Password Prg allows a restrict ID to be registered Operation is restricted only when this setting is ON and a restrict ID has already been registered OFF The ID Passw...

Page 363: ...in the first cassette As the recording paper size is not detected automatically the operator must set it EXEC JIS B5 A5 A6 can be set only when LAN is mounted 1 Setting values A4 LETTER LEGAL 13 LEGAL...

Page 364: ...et aside as a shared area for print buffer and the picture storage Only when this area is not in use 600 dpi communication transmission reception and copying will be enabled OFF Option memory of 8MB i...

Page 365: ...t be transferred to the ISDN board This setting cannot be made when ISDN option is not provided 31 Option Line Type Sets up the objectives of using option line 1 Setting value TX RX ALL TX For transmi...

Page 366: ...inutes except FRA 1 to 12 minutes for FRA 42 Auto Start OFF ON 43 Dial Tone Detect OFF ON 44 Busy Tone Detect OFF ON 45 MF DP MF DP 46 Pulse Dial Rate 10pps 16pps 20pps 47 Pulse Make Ratio 33 39 40 48...

Page 367: ......

Page 368: ......

Page 369: ...ls see Section 2 9 6 Defaults The setting data must be transferred to the G3 Option No Item Specifications 40 Redial tries Sets on the redial tries to meet the regulations of the installed country 1 S...

Page 370: ...T ON 45 MF DP Determine whether MF or DP is to be used for call origination 1 Setting values MF Tone DP Pulse Selection is skipped over when the ISDN board is mounted selection allowed if SERVICE BIT...

Page 371: ...duration 1 Setting values 75 ms 85 ms 100 ms selectable Selection is skipped over when the ISDN board is mounted selection allowed if SERVICE BIT ON 50 PBX Line Determine whether the machine is to be...

Page 372: ...es OFF Selection is skipped over when the ISDN board is mounted selection allowed if SERVICE BIT ON Note Setting values are defined for each country code Copyright 2000 Oki Data Division of OKI Americ...

Page 373: ...redial tries 1 After the first digit is entered ENTER WHEN DONE is displayed It will not change if all characters are erased by pressing the CLEAR key Copyright 2000 Oki Data Division of OKI America I...

Page 374: ...Service Guide OKIFAX 5750 5950 Chapter 2 Installation Page 130 2 9 5 4 2 Redial Interval This function is used to set an auto redial interval...

Page 376: ...a PBX line to the public line OFF appears when spaces are entered for all digits Movement and display of cursor during input of spaces and digits The blinking cursor moves to the first digit position...

Page 378: ...Ring ON OFF DRC 61 Remote Receive OFF 00 11 22 33 44 55 66 77 88 99 62 T F Timer Prg 20SEC 35SEC 63 Continuous Tone OFF ON 64 PC FAX Switch OFF ON 65 CNG Count 1 5 1 to 5 66 Ring Response 1RING 5SEC...

Page 379: ......

Page 380: ...setting can be made only when service bit is set to ON Table 2 9 5 5 Incoming Options Setting values are defined for each default type For more details see Incoming default settings The setting data...

Page 381: ...his function is used to transfer a call received by an external telephone set connected to fax by entering two digit MF tones if the remote receive setting is not OFF When this function is off control...

Page 382: ...election allowed if SERVICE BIT ON 66 Ring Response Sets the time from arrival of a ring to line seizure 1 Setting values 1 ring 5 sec 10 sec 15 sec 20 sec Selection is skipped over when the ISDN boar...

Page 383: ...e selected as default Except for above country OFF SET can be selected as default Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX...

Page 384: ...5 1 CNG Count OKIFAX 5750 5950 1 After the first digit is entered ENTER WHEN DONE is displayed Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partne...

Page 385: ...Service Guide OKIFAX 5750 5950 Chapter 2 Installation Page 136 2 9 5 5 2 Distinctive Ring This function is used to make settings for distinctive ring learning remembrance and detection...

Page 386: ......

Page 388: ...Service Guide OKIFAX 5750 5950 Chapter 2 Installation Page 135 2 9 5 6 Report Options 70 MCF Single Loc OFF ON 71 MCF Multi Loc OFF ON 72 Image in MCF OFF ON 73 Error Report MCF OFF ON...

Page 389: ...ifications 70 MCF Single Loc Determine whether a single location transmission result report is to be output automatically 1 Setting values ON Report is output automatically OFF Report is not output au...

Page 390: ...n result report 1 Setting values ON Image is added OFF Image is not added 73 Err Report MCF Determine whether an error report is to be output automatically when communication does not end with S C 000...

Page 391: ...0 Chapter 2 Installation Page 139 2 9 5 7 1 POP Interval Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to this...

Page 392: ...Service Guide OKIFAX 5750 5950 Chapter 2 Installation Page 140 2 9 5 7 2 DOMAIN Name...

Page 394: ...BPX for any updates to this material http bpx okidata com...

Page 395: ...Service Guide OKIFAX 5750 5950 Chapter 2 Installation Page 141 2 9 5 7 3 Network Settings...

Page 396: ......

Page 397: ......

Page 399: ...and change settings Entering an IP address value 1 Setting data is received from NIC When HSP error has occurred during the data reception the machine returns to the LAN OPTIONS menu screen after FUNC...

Page 400: ...position 5 The ENTER key is rejected if the numeric entry space delimited by dot is empty 6 The right left shift key is valid during input 7 Whether the entered value is correct is identified when num...

Page 402: ...his function is used to display the sub net address from NIC confirm the data from the terminal and change settings Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki...

Page 403: ...on is used to display the gateway address from the NIC confirm the data from the terminal and change settings NIC option setting Copyright 2000 Oki Data Division of OKI America Inc All rights reserved...

Page 404: ...Service Guide OKIFAX 5750 5950 Chapter 2 Installation Page 141 2 9 5 7 3 4 SMTP Server Name...

Page 406: ......

Page 407: ...vice Guide OKIFAX 5750 5950 Chapter 2 Installation Page 141 2 9 5 7 3 5 POP Server Name Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchan...

Page 408: ...BPX for any updates to this material http bpx okidata com...

Page 409: ...ervice Guide OKIFAX 5750 5950 Chapter 2 Installation Page 141 2 9 5 7 3 6 POP User ID Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange...

Page 410: ...BPX for any updates to this material http bpx okidata com...

Page 411: ...Service Guide OKIFAX 5750 5950 Chapter 2 Installation Page 141 2 9 5 7 3 7 POP Password...

Page 413: ...Service Guide OKIFAX 5750 5950 Chapter 2 Installation Page 141 2 9 5 7 3 8 DNS P SRV Addr...

Page 415: ...Service Guide OKIFAX 5750 5950 Chapter 2 Installation Page 141 2 9 5 7 3 9 DNS S SRV Addr...

Page 417: ...Service Guide OKIFAX 5750 5950 Chapter 2 Installation Page 141 2 9 5 7 3 10 Host Name Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange...

Page 418: ...BPX for any updates to this material http bpx okidata com...

Page 419: ...vice Guide OKIFAX 5750 5950 Chapter 2 Installation Page 141 2 9 5 7 3 11 Fax Email Addr Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchan...

Page 420: ...BPX for any updates to this material http bpx okidata com...

Page 421: ...E 1 TYPE 2 is installed 81 Paper Size Check Determine whether the set paper size is to be checked against the host specified paper size in the LAN print mode 1 Setting values ON Checked OFF Not checke...

Page 422: ...alue 12 to 12 intervals of 1 hour Setting enabled only when NIC TYPE2 IFAX enabled is installed 86 TEXT PRINT Sets up whether to print the text in the Email 1 Setting value ON Print text OFF Not print...

Page 423: ...If the domain name does not coincide the Email will be regarded as non receivable by FAX and will be retained with the mail server without reception 1 Domain name registration number of digits 64 digi...

Page 424: ...13 NIC RESET Each setting is stored in NIC Data transfer to NIC required when changing the content of setting Items 1 to 3 may be set up when NIC TYPE1 is installed and 1 to 14 when TYPE2 is installe...

Page 425: ...e separated by dots as shown below 206 181 233 2 Setting enabled when NIC TYPE1 TYPE2 is installed This setting cannot be made when not supported by NIC card 4 SMTP SERVER NAME Registers SMTP MAIL SER...

Page 426: ...TYPE2 IFAX enabled is installed 10 HOST NAME Registers the host name of own machine 1 Host Name registration number of digits 64 digits Input enabled characters are same as Email Address Setting enabl...

Page 427: ...Service Guide OKIFAX 5750 5950 Chapter 2 Installation Page 142 2 9 6 User Default Setting 1...

Page 428: ...side view...

Page 429: ......

Page 431: ...Service Guide OKIFAX 5750 5950 Chapter 2 Installation Page 142 2 9 6 User Default Setting 2 side view...

Page 432: ......

Page 434: ...Service Guide OKIFAX 5750 5950 Chapter 2 Installation Page 143 2 9 7 Default Setting of Dial Parameters side view...

Page 435: ......

Page 436: ......

Page 438: ...Service Guide OKIFAX 5750 5950 Chapter 2 Installation Page 144 2 9 8 Technical Default Setting...

Page 439: ......

Page 440: ...side view...

Page 441: ......

Page 442: ......

Page 444: ...UAGE version printing l DEFAULT version printing l MODEM version printing l RAM check l RAM check optional memory board l 2 ISDN board CPU ROM version printing l CPU RAM check l PROG version printing...

Page 445: ...LOCAL TEST 5 Press the ENTER SHIFT RIGHT key The display will be shown the SELF DIAGNOSIS Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exc...

Page 446: ...Service Guide OKIFAX 5750 5950 Chapter 2 Installation Page 146 2 9 9 1 Self Diagnosis Flow To check ROMs RAMs and printing function Test report will be automatically printed out...

Page 448: ......

Page 449: ...Service Guide OKIFAX 5750 5950 Chapter 2 Installation Page 147 Self Diagnosis Report...

Page 450: ......

Page 452: ...Purpose To check ROMs RAMs and Printing function Method The report will be manually printed out for maintenance purposes Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the...

Page 453: ...of error NG is nn 01 to 03 error information at POWER ON description of detailed information of option board is disabled nn 01 Waiting for PC loading At power ON BOOT2 signal from the Host read that...

Page 454: ......

Page 455: ...ed in automatically l The STD and NORMAL lamps light l The display shows SELECT LOCATION S OR PRESS COPY l 3 Dial the telephone number of the remote machine by the ten key pad 4 Make sure that the tel...

Page 456: ......

Page 457: ...Reception 1 Use another machine for dialing 2 Make sure that The display shows AUTO REC START l The message is automatically received l 3 Typical message reception flow is described in the figure belo...

Page 458: ......

Page 460: ...l units 2 10 2 Memory Board Installation Instructions 2 10 3 Network Card Installation Instruction 2 10 4 G4 Board Installation Instruction Copyright 2000 Oki Data Division of OKI America Inc All righ...

Page 461: ...r switch OFF and remove the AC power cord l Note Unplug the AC power cord from the wall outlet first and then from the facsimile Do not remove unnecessary parts l Since screws and small parts are like...

Page 462: ...allation Page 153 2 10 2 Memory Board Installation Instruction 1 Turn the facsimile power switch off and remove the AC power cord Note Unplug the AC power cord from the wall outlet first and then from...

Page 463: ...3 Connect Memory Board 4 Attach Plate Rear and Cover Rear...

Page 465: ...Page 154 2 10 3 Network Card Installation Instruction 1 Remove Cover Rear Plate Rear and 2 piece of Plate dummy 2 Connect Network card with Adapter board then mount it into the room In case of G4 boar...

Page 466: ...apter board with 2 each screw Then fix Plate Rear 4 Attach Cover Rear Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any upd...

Page 467: ...Guide OKIFAX 5750 5950 Chapter 2 Installation Page 155 2 10 4 G4 Board Installation Instruction 1 Remove Cover Rear Plate Rear and 2 piece of Plate dummy Caution Remove only lower Plate dummy 2 Mount...

Page 468: ...Then fix Plate Rear 4 Attach Cover Rear 5 Attach three Cover jack to the line TEL1 TEL2 connector Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Par...

Page 469: ...ide OKIFAX 5750 5950 Chapter 2 Installation Page 155 2 10 5 G3 Dual Line Installation Instruction 1 Remove Cover Rear Plate Rear and 2 piece of Plate dummy Caution Remove only lower Plate dummy 2 Moun...

Page 470: ...apter board with 2 each screw Then fix Plate Rear 4 Attach Cover Rear Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any upd...

Page 471: ...or OKIFAX 5750 5950 Facsimile Transceiver 1 Turn the facsimile power switch off and remove the AC power cord Note Unplug the AC power cord from the wall outlet first and then from the facsimile 2 Open...

Page 472: ...holes at the bottom of the facsimile transceiver main unit 4 Peel off the tape attached to the Second Paper Cassette Unit...

Page 473: ...5 Install the Second Paper Cassette Approximately 500 sheets of recording paper 20 lb bond can be loaded...

Page 475: ...Service Guide OKIFAX 5750 5950 Chapter 3 Brief Technical Description Page 78 Electrophotographic Process Flow...

Page 476: ...same diagram side view...

Page 477: ......

Page 479: ...ly charged with negative charges by applying a negative voltage to the charge roller When the applied DC voltage exceeds a threshold value charging of the drum begins 2 Exposure Light emitted from the...

Page 480: ...the paper from the transfer roller The toner is attracted by the positive charge and is transferred to the paper The toner charged negative that is attracted to the Image drum surface is transferred t...

Page 481: ...ler temporarily by static electricity on the Image drum surface Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates t...

Page 482: ...2 Actual Electrophotographic Process The electrophotographic process of the unit consists of six essential processes The following Figure 3 2 1 provides a general description Process 1 Charging 2 Expo...

Page 484: ...77 One touch High Voltage Power Unit l H10 Toner Lock Board l DLK Low Voltage Power Unit l MPW2520 120V MPW2420 230V Option Optional Memory l RA 2M byte RA 2 4M byte RA 3 8M byte G4 board l G4A 2 Adap...

Page 485: ......

Page 486: ...Service Guide OKIFAX 5750 5950 Chapter 3 Brief Technical Description Page 160 3 4 Overall Dimension and Mechanical Structure Figure 3 4 1 Overall Dimension and Mechanical Structure 1 2...

Page 487: ......

Page 489: ...for replacement of assemblies and units in the field 4 1 Precautions for Parts Replacement 4 2 Tools 4 3 How to Disassemble and Reassemble Copyright 2000 Oki Data Division of OKI America Inc All right...

Page 490: ...the following sequence 1 Turn off o the power switch of the machine 2 Disconnect the AC inlet plug of the AC cord from the AC receptacle 3 Disconnect the line cable from the machine b Reconnect the ma...

Page 491: ...ely to be lost they should temporarily be attached to the original positions during disassembly 7 When handling IC s such as microprocessors ROMs and RAMs or circuit boards do not wear gloves that are...

Page 492: ...e replaced LED print head new part is the same as that of the used LED print head old part you do not always have to set the LED print head strobe time by the technical function Refer to chapter 5 Cop...

Page 493: ...Service Guide OKIFAX 5750 5950 Chapter 4 Disassembly Page 163 4 2 Tools Table 4 1 shows the tools required for the replacement of parts such as circuit boards and mechanical units Table 4 1 Tools...

Page 495: ...164 4 3 How to Disassemble and Reassemble This section explains how to disassemble and reassemble the fax Figure 4 3 shows the disassembly procedure flow as generalization l The detailed disassembly...

Page 496: ......

Page 498: ...950 Chapter 4 Disassembly Page 165 Whole Unit Picture Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to this mat...

Page 499: ...Document Table Cover 1 Open the operation panel 2 Remove the cover by unscrewing four screws Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner...

Page 500: ...two screws 1 2 Slide the rear cover up slightly and pull it forward for removal 3 Remove the NCU cover by unscrewing one screw 2 Copyright 2000 Oki Data Division of OKI America Inc All rights reserve...

Page 501: ...Page 168 4 3 3 Main Cover 1 After removing the document cover rear cover and NCU cover open the scanner unit and stacker cover Caution Secure the scanner unit by engaging its hooks with the stacker co...

Page 502: ...4 First disengage the two hooks at the back Next remove the main cover with it lifted...

Page 504: ...de OKIFAX 5750 5950 Chapter 4 Disassembly Page 169 4 3 4 Operation Unit 1 Disconnect the connector 2 Open the operation unit and slide it leftward for removal Caution Pull out the connector cable from...

Page 506: ...ove the NCU board by unscrewing two screws Caution Earth cable position is different from each machine version Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data...

Page 507: ...oard 1 Remove the plate by unscrewing two screws 1 2 Remove the MODEM board by unscrewing one screw 2 Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business...

Page 508: ...two screws 1 and pull out the rear plate 2 Unscrew four screws 2 and take out the package plate Caution Before taking out the package plate disconnect the connector of Battery Copyright 2000 Oki Data...

Page 509: ...BPX for any updates to this material http bpx okidata com...

Page 510: ...ssembly Page 173 4 3 8 Scanner Unit CIS 1 Disconnect six connectors CN8 9 13 14 15 and SP 2 Remove four cores 3 Remove the torque limiter by unscrewing two screws 4 Pull out the connector cable from t...

Page 512: ...9 Stacker Frame 1 Remove the AC inlet and unscrew three screws to remove the stacker frame Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Ex...

Page 513: ...ables 2 Remove the shield by unscrewing one screw 3 Remove the printer unit by unscrewing six screws Caution The number of pins of the CN2 connector is the same as that of the CN3 connector however co...

Page 515: ...3 11 Fan and Fan Guard 1 Disconnect the connector cable and remove the fan and fan guard Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exch...

Page 516: ...plate by unscrewing six screws 2 Unscrew four screws and disconnect two connector cables then slide the main board for removal Copyright 2000 Oki Data Division of OKI America Inc All rights reserved S...

Page 517: ...ove both boards at the same time Unscrew one ground screw and remove the ground cable from the AC inlet 2 Disconnect two connectors to separate two boards 3 Remove the contact assembly Caution Never t...

Page 518: ...750 5950 Chapter 4 Disassembly Page 179 4 3 14 Disassembling the Operation Unit 1 Remove the paper guide U assembly by unscrewing two screws 2 Unscrew 22 screws and disengage six hooks to remove the P...

Page 519: ...3 Remove the numeric keypad...

Page 520: ...tion The white connector is a spring connector Be careful not to damage the connector when disconnecting it Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Bus...

Page 521: ...isassembling the Operation Unit Paper guide U Assembly Separation Rubber The Separation Rubber can be removed from the Paper Guide U Assembly Feed Roller 1 Remove the ground cbale by removing the two...

Page 522: ...Scan Roller by removing the gear and ADF bearing Exit Roller Remove the Exit Roller while spreading and holding up the part of the fixing hooks Caution Be careful as not to break the shaft of the Exi...

Page 524: ...Unscrew two screws and remove the paper guide Removing the Paper Guide 1 Insert the screwdriver in the holes two in the paper guide and push the screwdriver in the direction of the arrow 1 to release...

Page 525: ...guide while pressing the PC1 lever This is necessary to prevent the lever from sticking Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Excha...

Page 526: ...engage the hook on the side where there is no connector Caution Pay attention to the orientation when eassembling it Caution Be careful not to damage the cable when disconnecting The cable is very thi...

Page 527: ...17 PC1 PC2 Sensors 1 Disengage four hooks and remove the PC1 sensor 2 Pull out the PC2 sensor Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner...

Page 528: ......

Page 529: ...n the direction of the arrow 1 then disconnect the cable Caution Be careful not to damage the portion 2 of the frame indicated by the arrow Copyright 2000 Oki Data Division of OKI America Inc All righ...

Page 530: ...Remove the scanner latch 2 Remove the motor cable and unscrew two screws 1 to remove the motor along with the bracket Caution Do not remove the four screws securing the motor 3 Remove the bracket and...

Page 531: ...stallation 1 When installing the damper pay attention to its orientation and screw positions 2 When installing the bracket and ground plate check for their positions Copyright 2000 Oki Data Division o...

Page 532: ...Disassembly Page 186 4 3 20 Disassembling the Printer Unit Drum Resist Motor 1 Remove the drum motor by unscrewing two screws 1 2 To remove the resist motor by unscrewing two screws 2 Motor Bracket R...

Page 534: ...187 4 3 21 LED Head Drum Resist Motor 1 Open the stacker cover and open the left hand latch slightly to pull the LED head out Next disconnect flexible cables two along with connectors Caution Disconn...

Page 536: ......

Page 537: ...or 1 Remove two springs pull the shield toward you and remove the LED head cover Caution Do not lose the springs 2 Remove the TLK cover by releasing hooks four Caution Pay attention to two springs 3 R...

Page 539: ...the Copy Stacker by pressing inward the two latches on it from the two reset levers 3 Remove the Copy Stacker by spreading it from the lower base Copyright 2000 Oki Data Division of OKI America Inc A...

Page 540: ...Page 190 4 3 24 Fusing Unit Remove the Fusing Unit by removing the four screws 2 Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX...

Page 541: ...mbly procedure up to the point of Main Cover removal Refer to section 4 3 3 2 Remove the Manual Feed Assembly by pressing inward the two retainers Copyright 2000 Oki Data Division of OKI America Inc A...

Page 542: ...he spring 2 Lift the left side of the Back up Roller and pull it out leftwards Caution Do not lose the ground washer Do not bend the ground plate Do not damage the backup roller 3 Release the gear by...

Page 544: ...wer Base removal 2 Remove the One way Clutch Gear 3 Press the Resist Roller to the right side and lift up the left side of it then take off the Resist Roller 4 Remove the One way Clutch Gear and Beari...

Page 546: ...ct guide assembly by releasing the left hand hook Reassembly Procedure Carry out reassembly by reversing the disassembly procedure Copyright 2000 Oki Data Division of OKI America Inc All rights reserv...

Page 547: ...When the rank marking of the replaced LED print head new part is the same as that of the used LED print head old part you do not always have to set the LED print head drive time Adjustment 1 Turn AC p...

Page 548: ...he first second and third digits from the right in the LED print head i e in XX061 061 is the luminous inten sity ranking Note 2 When the head label of the replaced LED print head new part is the same...

Page 550: ...nter does not read with 20 000 MHz replace with a new crystal oscillator X1 2 5V DC Voltage SUB Measurement point R76 board CN1 A8 pin and ground terminal l Specification 5 2V 4 l 3 5V DC Voltage Meas...

Page 551: ...t SIG signal Measurement point R76 board CN13 1 pin and ground terminal l Specification A waveform sample is shown below l Test chart White sheet A4 size l Copyright 2000 Oki Data Division of OKI Amer...

Page 552: ...chanical Disassembly and Reassembly in Chapter 4 3 Connect extension cables to the R51 board 4 Connect the frequency counter for clock frequency digital voltmeter for power voltage and Oscilloscope fo...

Page 553: ......

Page 554: ...2 1 Measurement Points on R76 Board Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to this material http bpx oki...

Page 555: ...et for OKI INT ITU T document sample No 1 For the second or later cartridge to a new I D Unit The first toner cartridge installed in a new I D unit will have a decreased yield 1 2 I D Unit Image Drum...

Page 556: ...he automatic paper feeder will be less than one in 1 500 operations and misfeeds will be less than one in 500 operations for all specified recording paper 3 MTBF The MTBF for the overall machine will...

Page 557: ...l 300 cycle of charge discharge Manganese dioxide battery Chargeable Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any upd...

Page 558: ...this roller becomes dirty and the dirt causes misfeeding of documents perform this cleaning 2 3 Contact Image Sensor Check for accumulation of paper dust etc Clean with ethyl alcohol if necessary 3 4...

Page 560: ...nel may differ from the fonts written in this manual 1 Purpose A user can clear the image drum counter only when Change Drum Soon message is displayed and also check some of the other counters such as...

Page 561: ...2 2 Procedure The following shows the case when the service bit has been set OFF TONER COUNT CLEAR ON...

Page 562: ......

Page 564: ...nce Page 202 6 4 Printer Counter Display Clear Service 1 Purpose The service personnel can clear and check the following counters Image Drum l Toner l Image Drum Total l Print l Scan l 2 Procedure The...

Page 565: ......

Page 567: ...Service Guide OKIFAX 5750 5950 Chapter 6 Cleaning and Maintenance Page 203 6 5 Self Diagnosis Test 1 Purpose To check ROMs RAMs and printing function 2 Procedure...

Page 568: ......

Page 569: ......

Page 570: ...e printed HSP NG nn nn 10 Command was sent to the HSP card but its response was not returned within 5 seconds nn 20 The Status Window did not show in the initial state 10 seconds after powering on nn...

Page 571: ...nn 05 ISDN LSI abnormality The result of ISDN LSI testing function is NG ROM RAM test Loop test G3 Option Board...

Page 572: ......

Page 574: ...Service Guide OKIFAX 5750 5950 Chapter 6 Cleaning and Maintenance Page 204 6 6 Sensor Calibration Test 1 Purpose To adjust the linearity of the contact image sensor output levels...

Page 575: ......

Page 577: ...Page 205 6 7 LED Test 1 Purpose To check all LEDs on operation panel by lighting 2 Procedure Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner E...

Page 578: ...pose To send the G3 tonal frequencies to the line 2 Procedure Note1 This testing is continued until STOP key is pressed Note2 This mode can not be selected when ISDN board is installed Copyright 2000...

Page 579: ...BPX for any updates to this material http bpx okidata com...

Page 580: ...Service Guide OKIFAX 5750 5950 Chapter 6 Cleaning and Maintenance Page 207 6 9 High Speed Modem Send Test Note1 This testing is continued until STOP key is pressed...

Page 581: ...not be selected when ISDN board is installed Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to this material ht...

Page 582: ...950 Chapter 6 Cleaning and Maintenance Page 208 6 10 High Speed Modem Receive Test 1 Purpose To check the telephone line quality in combination with a remote station programmed to the high speed modem...

Page 583: ...s pressed Note2 This mode can not be selected when ISDN board is installed Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for an...

Page 584: ...rvice Guide OKIFAX 5750 5950 Chapter 6 Cleaning and Maintenance Page 209 6 11 MF Send Test 1 Purpose To send the multi frequencies of tone dialing to the line 2 Procedure After the test press STOP key...

Page 585: ...Hz 1209 Hz 941 Hz 1477 Hz Note1 When 0 9 or key is pressed during tone sending the corresponding MF Tone is sent Note2 MF Tone test is continued until STOP key is pressed Note3 This setting can not b...

Page 586: ...of TEL FAX automatic switching 2 Procedure Note1 This testing is continued until STOP key is pressed Note2 This mode can not be selected when ISDN board is installed Copyright 2000 Oki Data Division o...

Page 587: ...ter 6 Cleaning and Maintenance Page 211 6 13 ISDN Sending Test Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to...

Page 588: ...Service Guide OKIFAX 5750 5950 Chapter 6 Cleaning and Maintenance Page 211 6 14 Tone Send Test G3...

Page 590: ...Service Guide OKIFAX 5750 5950 Chapter 6 Cleaning and Maintenance Page 211 6 15 Moden Send Test G3...

Page 592: ...BPX for any updates to this material http bpx okidata com...

Page 593: ...Service Guide OKIFAX 5750 5950 Chapter 6 Cleaning and Maintenance Page 211 6 16 MF Tone Test G3...

Page 594: ......

Page 596: ...0 5950 Chapter 6 Cleaning and Maintenance Page 211 6 17 Protocol Data Dump Printing 1 Purpose To analyze the transmitted received G3 protocol signals 2 Procedure Manual printout of the last communicat...

Page 598: ...KIFAX 5750 5950 Chapter 6 Cleaning and Maintenance Page 212 6 18 System Reset 1 Purpose To clear or initialize the following data to factory default settings a Location data b Configuration data defau...

Page 599: ...d the setting data must be transferred from the main board to the G3 option board Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX...

Page 600: ...ng an abnormal 4 status in details 21XX For error codes in Group 3 transmission phase B 29XX For error codes in Group 3 reception phase B 39XX For error codes in Group 3 reception phase C 41XX For err...

Page 601: ...r than the desired signal in response to sending TCF 21B0 Transmitter tried to transmit by confidential transmission function but the remote fax has not the capability of confidential reception 21B1 T...

Page 602: ...have exceeded the specified limit 39B0 Memory Overflow has occurred while receiving in memory 39B1 Memory Overflow has occurred during Confidential Reception 39B2 Memory Overflow occurred during Relay...

Page 603: ...tion is interrupted due to defective image quality 49E0 Data time out of 49E1 Fall back in Phase C is not possible 60A0 Broadcast completed 6803 DCN received in response to NSF DIS without sending a s...

Page 604: ...F3 Recording paper size error 90F4 Cover open Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to this material ht...

Page 605: ...ON NG BA11 User busy Handling of the redial BA12 No user responding BA13 No answer from user user alerted ON NG BA15 Call rejected ON NG BA16 Number changed ON NG BA1A Non selected user clearing ON NG...

Page 606: ...Identified channel does not exist ON NG BA53 A suspended call exists but this call identity does not ON NG BA54 Call identity in use ON NG BA55 No call suspended ON NG BA56 Call having the requested c...

Page 607: ...et level ready state ON NG B211 Remote procedure error ON NG B212 Packet that is not adaptable to status transition DTE restart request state ON NG B213 Local procedure error ON NG B214 Packet that is...

Page 608: ...N NG B244 Call setting problem outgoing address is invalid ON NG B245 Call setting problem invalid facility length ON NG B246 Call setting problem call termination reject ON NG B247 Call setting probl...

Page 609: ...and response reception error ON NG B802 Parameter reception error ON NG B803 Negotation unsuccessful RSSP reception ON NG B804 Negotation unsuccessful RSSN reception ON NG B805 CSCC at the time when t...

Page 610: ...esult BUSY occur as with PSTN If G3 fallback is applicable the dial operation in G3 mode is entered If a service code to which G3 fallback is applicable occurs regardless of dialing in G3 mode a commu...

Page 611: ...aths should be investigated E552 Interruption of requested mail operation Storage excessive E553 Requested operation impossible Mail Box name not permitted E553 Failure in transaction E900 NIC I F err...

Page 613: ...e X X 7 5 No local copy X X 7 6 Auto dial failure X 7 7 Transmission problem X 7 8 Auto reception failure X 7 9 Reception problem X 7 10 Sensor calibration test X 7 11 LED test X 7 12 Tone send test X...

Page 614: ...G3 Dual Line X 7 29 MF Send Test G3 Dual Line X 7 30 No Acoustic Line Monitor G3 Dual Line X Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner E...

Page 615: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 219 7 1 Overall Troubleshooting Flow Chart...

Page 616: ......

Page 618: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 220 7 2 No LCD Operation...

Page 619: ......

Page 621: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 221 7 3 ALARM LED On...

Page 622: ......

Page 623: ...e shown as follows PRINTER ALARM 2 and PRINTER ALARM 4 Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to this ma...

Page 624: ...hapter 7 Troubleshooting Page 222 7 4 Printing Test Failure Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to th...

Page 625: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 223 7 5 No Local Copy...

Page 626: ......

Page 628: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 224 7 6 Auto Dial Failure...

Page 629: ......

Page 631: ...e Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 225 7 7 Transmission Problem This section explains how to localize the cause of problems occurred after completion of connection with a remote s...

Page 632: ......

Page 634: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 226 7 8 Auto Reception Failure...

Page 635: ......

Page 637: ...ce Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 227 7 9 Reception Problem This section explains how to localize the cause of problems occurred after completion of connection with a remote sta...

Page 638: ......

Page 640: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 228 7 10 Sensor Calibration Test...

Page 641: ......

Page 643: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 229 7 11 LED Test...

Page 644: ......

Page 646: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 230 7 12 Tone Send Test...

Page 647: ......

Page 649: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 231 7 13 High Speed Modem Test...

Page 650: ......

Page 651: ......

Page 652: ......

Page 654: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 232 7 14 MF Send Test...

Page 655: ......

Page 657: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 233 7 15 Tone TEL FAX Send Test...

Page 658: ......

Page 660: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 234 7 16 No Acoustic Line Monitor There are two source routes of acoustic line monitor a General communication signal b DP pulse signal...

Page 661: ......

Page 663: ...tion Replace the Power Supply Unit when output voltage written on the item A3 in the Appendix A is not normal B High voltage Selection Copyright 2000 Oki Data Division of OKI America Inc All rights re...

Page 664: ...Troubleshooting Page 236 7 18 No Document Feeding Note This section places an emphasis on troubleshooting of mechanical portions Therefore it is recommended to replace the MCNT R76 Board first and th...

Page 665: ......

Page 667: ...FAX 5750 5950 Chapter 7 Troubleshooting Page 237 7 19 Multiple Document Feeding Definition Multiple document feeding Multiple documents are not separated and they are fed at the same time during one f...

Page 668: ......

Page 670: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 238 7 20 Document Skew...

Page 671: ......

Page 672: ......

Page 673: ......

Page 675: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 239 7 21 Document Jam...

Page 676: ......

Page 678: ...40 7 22 Printer Unit 7 22 1 Precautions 7 22 2 Troubleshooting Flow Charts of Printer Unit Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exc...

Page 679: ...Table 7 22 1 LCD Message Trouble List Category LCD message display Trouble Troubleshooting flow chart number Cover open See Table 7 22 2 Alarm Display The cover cover top is open 1 Image drum alarm S...

Page 681: ...242 7 22 2 Troubleshooting Flow Charts of Printer Unit Overall troubleshooting flow chart Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exch...

Page 682: ...5750 5950 Chapter 7 Troubleshooting Page 243 Table 7 22 2 Alarm Display ALARM LCD LED Flash memory error data ON Second tray time out error ON ID lock ON Toner lock ON Thermister error ON Fan motor er...

Page 683: ...Document jam limit length error ON Document jam suction error ON Paper jam feed outlet error ON Paper jam path error ON Paper jam feed error ON Paper size error ON No paper ON...

Page 684: ...Drum life expired Toner near end Toner near end drum counter 19000 ON No ID Image Drum ON Toner near end NO TONER MEM RX OFF OFF Toner near end NO TONER EM RX ON ON Second tray cover open OFF Memory o...

Page 685: ...Communication error ON LAN ISDN G3 board MUPIS I F error ON F W version error ON Error 77 no ID ON LAN print ACC error ON Fax2Net S C 14D0 End of communication error ON During NIC initialization OFF...

Page 686: ...2nd tray OFF Recording paper on the 1st tray No recording paper on the 2nd tray OFF Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange...

Page 687: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 244 Troubleshooting flow chart 1 Top Cover is Open...

Page 689: ...eshooting Page 245 Troubleshooting flow chart 2 Replace Image Drum Message Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for an...

Page 690: ......

Page 691: ...leshooting Page 246 Troubleshooting flow chart 3 Engine Controller Error Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any...

Page 692: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 247 Troubleshooting flow chart 4 Fuser Unit Thermal Error...

Page 693: ......

Page 695: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 248 Troubleshooting flow chart 5 Paper Jams...

Page 696: ......

Page 698: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 249 Troubleshooting flow chart 6 No Paper Tray or No Paper No recording paper cassette or not recording paper...

Page 700: ...ck installation of MCNT R76 board POWER SUPPLY UNIT board 6 Check MCNT R76 Board 7 Check thermister resistance of about 200 kilo ohms at room temperature and about 140 kilo ohms at high temperature PO...

Page 701: ...for OKIFAX 5750 5950 is shown as MCNT R76 Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to this material http b...

Page 702: ...blurred as a whole Fig A 7 The blank background is smeared Fig B 8 Blank paper is output Fig C 9 Black belts or black stripes in vertical direction Fig D 10 Periodic abnormal printing Fig E 11 Some p...

Page 704: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 252 Troubleshooting flow chart 7 Light or Blurred Output...

Page 705: ......

Page 707: ...shooting Page 253 Troubleshooting flow chart 8 Smeared Background on Output Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for a...

Page 708: ......

Page 709: ...Troubleshooting Page 254 Troubleshooting flow chart 9 Blank Output Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updat...

Page 710: ...oting Page 255 Troubleshooting flow chart 10 Vertical Black Stripes on Output Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for...

Page 711: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 256 Troubleshooting flow chart 11 Evenly Spaced Marks on Output...

Page 712: ......

Page 714: ...leshooting Page 257 Troubleshooting flow chart 12 Missing Print on Output Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any...

Page 715: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 258 Troubleshooting flow chart 13 Vertical White Stripes on Output...

Page 716: ......

Page 718: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 259 Troubleshooting flow chart 14 Poor Fusing...

Page 720: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 259 7 23 G3 Dual Line Troubleshooting Flow Chart...

Page 721: ......

Page 723: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 259 7 24 Auto Dial Failure G3 Dual Line...

Page 724: ......

Page 726: ...OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 259 7 25 Transmission Problem G3 Dual Line This section explains how to localize the cause of problems occurred after completion of connection with a r...

Page 727: ......

Page 729: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 259 7 26 Auto Reception Failure G3 Dual Line...

Page 730: ......

Page 732: ...e OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 259 7 27 Reception Problem G3 Dual Line This section explains how to localize the cause of problems occurred after completion of connection with a rem...

Page 733: ......

Page 735: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 259 7 28 High speed Modem Test G3 Dual Line...

Page 736: ......

Page 737: ......

Page 739: ...Service Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 259 7 29 MF Send Test G3 Dual Line...

Page 740: ......

Page 742: ...ce Guide OKIFAX 5750 5950 Chapter 7 Troubleshooting Page 259 7 30 No Acoustic Line Monitor G3 Dual Line There are two source routes of acoustic line monitor a General communication signal b DP pulse s...

Page 743: ......

Page 745: ...8 Dipswitch Setting Tables Page 260 Portuguese This section gives the following instruction DIP switch setting l Instructions of Marking with red oil ink l Put short plug 40095701 into designated con...

Page 746: ......

Page 748: ...also provide the reader information concerning the functions of units and the relationships among the units which will assist you in conducting unit level maintenance Detailed circuit diagram has been...

Page 749: ...0 Chapter A Board Descriptions Page 262 Service Caution Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to this m...

Page 750: ...Service Guide OKIFAX 5750 5950 Chapter A Board Descriptions Page 263 A1 1 Unit Configuration and Block Diagram 1 The unit configuration is as follows...

Page 751: ......

Page 752: ...ltage Poewr Unit MPW2520 120V MPW2420 230V 7 IDU Toner Lock Board TLK Option 8 Optional Memory RA 2M byte RA 2 4M byte 9 G4 Board G4A 10 Adaptor Board for NIC DM1 11 NIC Network Interface Card 12 G3 D...

Page 753: ...Service Guide OKIFAX 5750 5950 Chapter A Board Descriptions Page 264 Block Diagram Block Diagram 1...

Page 754: ......

Page 755: ...Block Diagram 2...

Page 756: ......

Page 757: ......

Page 758: ...y 3 G3 RX MH MR MMR 3 1 G3 RX JBIG OKIFAX 5950 only 4 PC Print Option 5 PC Scanner Option 6 PC FAX TX Option 7 PC FAX RX Option 8 ISDN PC FAX G3 TX Option 9 ISDN PC FAX G3 RX Option 10 ISDN G3 TX Opti...

Page 760: ...Service Guide OKIFAX 5750 5950 Chapter A Board Descriptions Page 266 1 Copy...

Page 761: ......

Page 763: ...Service Guide OKIFAX 5750 5950 Chapter A Board Descriptions Page 267 2 G3 TX MH MR MMR...

Page 764: ......

Page 766: ...Service Guide OKIFAX 5750 5950 Chapter A Board Descriptions Page 268 2 1 G3 TX JBIG OKIFAX 5950 only...

Page 767: ......

Page 769: ...Service Guide OKIFAX 5750 5950 Chapter A Board Descriptions Page 269 3 G3 RX MH MR MMR...

Page 770: ......

Page 772: ...Service Guide OKIFAX 5750 5950 Chapter A Board Descriptions Page 270 3 1 G3 RX JBIG OKIFAX 5950 only...

Page 773: ......

Page 775: ...Service Guide OKIFAX 5750 5950 Chapter A Board Descriptions Page 271 4 PC Print Option...

Page 776: ......

Page 778: ...Service Guide OKIFAX 5750 5950 Chapter A Board Descriptions Page 272 5 PC Scanner Option...

Page 779: ......

Page 781: ...Service Guide OKIFAX 5750 5950 Chapter A Board Descriptions Page 273 6 PC FAX TX Option...

Page 782: ......

Page 784: ...Service Guide OKIFAX 5750 5950 Chapter A Board Descriptions Page 274 7 PC FAX RX Option...

Page 785: ......

Page 787: ...Service Guide OKIFAX 5750 5950 Chapter A Board Descriptions Page 275 8 ISDN PC FAX G3 TX Option...

Page 788: ......

Page 790: ...Service Guide OKIFAX 5750 5950 Chapter A Board Descriptions Page 276 9 ISDN PC FAX G3 RX Option...

Page 791: ......

Page 793: ...Service Guide OKIFAX 5750 5950 Chapter A Board Descriptions Page 277 10 ISDN G3 TX Option...

Page 794: ......

Page 796: ...Service Guide OKIFAX 5750 5950 Chapter A Board Descriptions Page 278 11 ISDN G3 RX Option...

Page 797: ......

Page 799: ...Service Guide OKIFAX 5750 5950 Chapter A Board Descriptions Page 279 12 G4 TX Option...

Page 800: ......

Page 802: ...Service Guide OKIFAX 5750 5950 Chapter A Board Descriptions Page 280 13 G4 RX Option...

Page 803: ......

Page 805: ...Service Guide OKIFAX 5750 5950 Chapter A Board Descriptions Page 281 14 LAN Print Option...

Page 806: ......

Page 808: ...Service Guide OKIFAX 5750 5950 Chapter A Board Descriptions Page 281 15 Internet Fax Tx Option...

Page 809: ......

Page 811: ...Service Guide OKIFAX 5750 5950 Chapter A Board Descriptions Page 281 16 G3 Dual Ine Tx MH MR MMR Option...

Page 812: ......

Page 814: ...Service Guide OKIFAX 5750 5950 Chapter A Board Descriptions Page 281 17 G3 Dual Line Rx MH MR MMR Option...

Page 815: ......

Page 817: ...written into the DRAM on the MCNT PCB MH MR MMR code data is converted to image data by firmware and written into the DRAM again The written data is sent through the IOGA5 to the LED head in sync wit...

Page 818: ...built in A D converter The digital data is corrected by the internal correction function transferring binary coded data to the IOGA5 every eighth pixel The data input to the IOGA5 is temporarily writt...

Page 819: ...Circuits A3 1 7 LED Head Control A3 1 8 Heater Control A3 1 9 Printer Motor Control A3 1 10 Toner Low Detection A3 1 11 Centronics Parallel Interface A3 1 12 Electrophotographic Process A3 1 13 Proces...

Page 820: ...uced due to the access times needed by external devices 2 Built in PROM Mask ROM The built in ROM size is 64 KB and memory addresses range from 000000h to 000FFFh 3 Built in RAM The built in RAM size...

Page 821: ...pulses 7 16 bit timer pulse unit Channels are used as follows ITU channel 0 Used as a 5 ms system timer ITU channel 1 A desired time out time 0 13 1 ms can be specified in steps of 0 2 s ITU channel 2...

Page 822: ...he PC and implement MFP and the functions listed below The block diagram of this ASIC is shown on the next page Major functions of this LSI are as follows 1 Printer control T600 dpi printing ACC expan...

Page 823: ......

Page 825: ...hip LSI for sensor control The overall block diagram is shown on the next page 1 Interface The IOGA5 receives image data from the sensor control LSI and sends it to the host CPU in blocks of 16 bits 2...

Page 826: ......

Page 827: ......

Page 828: ...ding binary coded data to the IOGA5 every eighth pixel normally When contrast is corrected multi valued data is sent for each pixel When horizontal scanning lines are skipped a request is suppressed e...

Page 829: ...0 1 to 400 Vertical scanning 0 006 to 400 l Decoding error processing leading line or white line l Both ends white masking l Time division multiplexing l Code conversion At the time of reception JBIG...

Page 830: ......

Page 831: ...word access timing chart is shown below Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to this material http bpx...

Page 832: ...the scanner motor is controlled by the INA INB ENA and ENB signals output from the LSI chip IOGA5 on the MCNT board MNPT 1 2 3 and 4 signals change the reference voltage signal REF to alter the curren...

Page 833: ...2 Except 3200 pps Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 834: ...of two chips Peripheral elements 1 Clock A real time clock IC serial I F incorporating a crystal oscillator is used Its basic frequency is 500 Hz CPU pins 110 RTCTXD 109 RTCDATA and 112 RTCCLK are us...

Page 835: ...nd optional add on memory Thus send received data stored in the DRAM and optional add on memory can be retained after power off When the power is turned on the internal IC reduces the 8 V and 5 V supp...

Page 836: ...Fan control One of the following fan control modes is selected depending on the heater temperature and system status...

Page 837: ...ull speed operation taking into account the fan sensor output determination time The fan sensor is not monitored when the fan is rotating at 1 2 or 1 4 speed or it is at halt Copyright 2000 Oki Data D...

Page 838: ...1 7 LED Head Control The IOGA5 on the MCNT board transfers image data to the LED head After receiving the image date the LED had illuminates in the next line cycle exposing the drum The head s interna...

Page 839: ......

Page 840: ......

Page 841: ...ng temperature is reached paper is liable to be wrinkled because of an overshoot To prevent this fusing on the first sheet is started at a temperature lower than the normal fusing temperature If an at...

Page 842: ...0 5950 Chapter A Board Descriptions Page A3 1 9 Printer Motor Control 1 Registration and main drum motors A registration motor and a drum motor are driven by means of control signals from the CPU and...

Page 843: ...ection DMON1 N signals control a motor coil current According to the polarity of the phase signal the coil current flow as follows 1 38V motor coil resistor earth or 2 38V motor coil resistor earth Th...

Page 845: ...ion in the stirring gear Operation l Toner Low is detected by monitoring the time interval of the encounter of the magnet set on the sensor plate and the magnet on the stirring bar Operation during To...

Page 846: ...nimum height due to its own weight since there is no resistance provided by the toner on the other side Because of this the time interval during which it is in encounter with the magnet of the sensor...

Page 847: ...When there is no change with the toner sensor for 2 cycles 2 63 sec x 2 or more then the Toner Sensor Alarm is activated l The toner sensor is not monitored while the main drum motor is in a halt l Co...

Page 848: ...BUSY P signal to ON at the same time when it reads the parallel data PDATA1 P to PDATA8 P from the parallel port at the fall of STB N signal Furthermore it makes the store processing of receiving data...

Page 849: ......

Page 851: ...by static electricity This adhesion causes the electrostatic latent image to change to a visible image At the same time the residual toner on the image drum is attracted to the developing roller by s...

Page 852: ......

Page 853: ......

Page 854: ......

Page 855: ...Figure 2 5 Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 856: ...motor turning in direction b drives the registration roller The registration and hopping gears have one way bearing so turning any of these gears in the reverse direction will not transmit the motion...

Page 857: ...paper can thus be corrected b Feeding 1 When hopping is completed the registration motor turning in direction b counter clockwise direction drives the registration roller to advance the paper in this...

Page 858: ...2 Charging Charging is actuated by application of the DC voltage to the charge roller that is in contact with the image drum surface...

Page 859: ...rotective layer both having elasticity to secure good contact with the image drum When the DC voltage applied by the power supply exceeds the threshold value charging begins The applied voltage is pro...

Page 860: ...the charge roller When the light from the LED head irradiates the image drum surface the light energy generates positive and negative carriers in the CGL The positive carriers are moved to the CTL by...

Page 861: ......

Page 862: ...e through the contact between the image drum and the developing roller 1 As the toner supply roller rotates while rubbing on the developing roller a friction charge is generated between the developing...

Page 863: ...the doctor blade forming a thin coat of toner on the developing roller surface 3 Toner is attracted to the exposed portion low potential part of the image drum at the contact of the image drum and the...

Page 864: ...r supply roller and the developing roller as shown below 500 VDC is supplied to the toner supply roller 265 VDC to the developing roller 5 Transfer The transfer roller is composed of conductive sponge...

Page 865: ...the transfer operation the unfused toner image is fused on the paper under heat and pressure as it passes between the heater roller and the back up roller The heater roller with a Teflon coating incor...

Page 866: ...Cleaning of rollers When the transfer is completed the residual toner left on the image drum is attracted to the cleaning roller temporarily by static electricity and the image drum surface is cleane...

Page 867: ...When the number of sheets accumulated reaches 10 or more and the printout operation ends l Changes in bias voltage applied to each roller move attaching toner off the roller to the image drum and ret...

Page 868: ...Host Interface Between the MCNT and OPE serial data is transferred via the SIO incorporated in the CPU Communication method 1 Communication method Start stop synchronization 2 Transfer rate 5832 bps...

Page 870: ...nsmission reception for image data l ITU T V 27 ter transmission reception for image data l ITU T V 21 30 bps transmission reception for handshaking procedure l ITU T V 8 transmission reception for V...

Page 871: ...LSI IC and Memory X201 Crystal l Crystal oscillator 24 5760 MHz IC201 MN195004MFN 1 Modem data pump l...

Page 872: ...onsists of analog circuits It has two channels of 16 bit A D and D A converters FLS201 4MFASH memory l A memory for storing the MN195004MFN 1 program This program cannot be loaded by the PC loading me...

Page 874: ...Service Guide OKIFAX 5750 5950 Chapter A Board Descriptions Page 285 IC201 Pin Assignment...

Page 875: ......

Page 877: ...Chapter A Board Descriptions Page 285 IC202 Pin Assignment Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to thi...

Page 878: ...Block diagram Figure A3 4 1 shows a block diagram of UNC circuit l Figure A3 4 2 shows a block diagram of WN5 circuit l Figure A3 4 3 shows a block diagram of FN5 circuit l Figure A3 4 4 shows a block...

Page 879: ...after amplification Picture data Protocol Tonal signals etc l Note 1 This procedure may be omitted depending on the dial parameters Note 2 MF Multi frequency tone is generated by the modem and transf...

Page 880: ......

Page 882: ...Block Diagram A3 4 1 UNC circuit diagram A3 4 2 WN5 circuit diagram A 3 4 3 FNS circuit digaram A 3 4 4 DN5 circuit diagram Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See...

Page 883: ...eceiving sensitivity R574 R504 The receiving sensitivity at line seizuring is determined by R574 and the MF tone receiving sensitivity at parallel pickup is determined by R504 7 CML RL1 This circuit s...

Page 884: ...remote receive signals It separates between the line and equipment in terms of DC and also keeps a balance between the line and the ground The transformer on the UNC board for OKIFAX 5600 5900 5950 i...

Page 885: ......

Page 887: ...DC characteristics according to the line requirements depending on the DIP SW S3 position 5 Impedance matching network R523 R536 C503 R823 R836 C803 This circuit matches the impedance between the line...

Page 888: ...als required for automatic dialing and MF tone send and remote receive signals It separates between the line and equipment in terms of DC and also keeps a balance between the line and the ground F Off...

Page 889: ...tivity according to the line requirement K Telephone cascade parallel switches S1 1 to S1 2 To connect the telephone connected to the TEL1 terminal and an external telephone in parallel set the switch...

Page 890: ......

Page 892: ...mpedance between the line and equipment to reduce reflection of transmitted signals It provides impedance return loss characteristics to meet the line requirement using the S5 1 and 5 2 6 Receiving se...

Page 893: ...detect the off hook state of the telephone connected to the TEL1 TEL2 through LINE terminals IC2 uses a high detection sensitivity than of RL7 In TEL FAX mode the higher sensitive IC2 is used to detec...

Page 894: ...Unlike other countries pines 2 and 5 are connected to the line for the UK communication line Set the switches to F for France and UK for UK same diagram side view...

Page 895: ......

Page 897: ...9 These circuits provide DC characteristics according to the line requirements 5 Impedance matching network R523 R536 C503 This circuit matches the impedance between the line and equipment to reduce r...

Page 898: ...nd and remote receive signals It separates between the line and equipment in terms of DC and also keeps a balance between the line and the ground F Off hook detectors IC2 RL7 These circuits detect the...

Page 899: ...ifier amplifies DTMF signals and FAX send signals N Receiver amplifier IC501 2 2 This amplifier amplifies MF tones dial tones and FAX receive signals O 16 kHz LPF IC502 This active low pass filter rem...

Page 900: ...same diagram side view...

Page 901: ......

Page 903: ...pply board and Low voltage power l supply board but not repair of the boards Any purchase orders for components of the power supply board are not accepted Any trouble on power supply board that was re...

Page 904: ...O C P is drooping characteristic type O C P TIME MAX 10S The protection should be shorted with Q201 8 V Overcurrent protection circuit operation 8 V Overcurrent protection circuit operation 24 V Overc...

Page 906: ...control section It decodes this command by LSI IC2 and outputs high frequency pulses to the corresponding high voltage generating circuits through pins 11 12 13 14 and 15 of LSI IC2 It supplies 5V to...

Page 907: ...Sensor control...

Page 908: ......

Page 910: ...rk board is connected to the 64 pin connector CN2 when it is used along with this board It is connected to the line via the RJ 45 connector CN3 Data is transferred to from the CPU on the MCNT board vi...

Page 911: ...same diagram side view...

Page 912: ......

Page 914: ...on G4A board and the remaining 64 pins are signal lines shared with the optional G4A board and LAN network board It is connected to the NCU board through the DM2 board with 30 pin connector CN2 Data i...

Page 915: ...same diagram side view...

Page 916: ......

Page 918: ...oard is received by the shift registers and latch registers The Letter size LED head are driven to radiate the image data on to the EP image drum 5 Fuser The fuser consists of a heater a heat roller a...

Page 919: ...ns B 2 1 Process Operations 1 Hopping and feeding 2 Charging 3 Exposure 4 Developing 5 Transfer 6 Fusing 7 Cleaning 8 Cleaning of rollers Copyright 2000 Oki Data Division of OKI America Inc All rights...

Page 920: ...n one way clutch so that turning each of these gears in reverse direction will not be transmitted to the corresponding roller a Hopping 1 Hopping turns the resist motor in the a direction in the CW di...

Page 921: ...st motor in the b direction in the CCW direction drives the resist roller to advance the paper In this case the hopping gear also turns but the hopping roller is prevented from turning by the one way...

Page 923: ...drum surface The charge roller is composed of two layers consisting of a conductive layer and a surface protective layer that has elasticity in order to secure a good contact with the EP image drum W...

Page 925: ...charges The surface potential of the irradiated part of the EP drum drops thereby forming an electrostatic latent image associated with the image signal The EP image drum is coated with an underlayer...

Page 926: ...g on the EP image drum Likewise the negative carriers flow into the aluminum layer ground The positive carriers moved to the CTL combine with the negative charges on the EP image drum surface accumula...

Page 928: ...veloping roller a friction charge is generated between the developing roller and the toner allowing the toner to be attracted to the developing roller The developing roller surface is charges positive...

Page 929: ...loping roller arrow marks denote the direction of the electric field Note The toner supply roller and the developing roller are supplied with bias voltages required during the developing process as sh...

Page 931: ...a high positive voltage 1 5 KVDC from the Power Supply Unit H10 board to the transfer roller causes the positive charge induced on the transfer roller surface to be transferred to the paper at the co...

Page 932: ...heat roller A thermister which is in contact with the heater roller regulates the heater roller at a predetermined temperature about 185 C for OKIFAX 5000 series A safety thermostat cuts off voltage...

Page 933: ......

Page 934: ...er residual toner on the EP image drum is attracted to the cleaning roller temporarily by static electricity to clean the EP image drum surface Copyright 2000 Oki Data Division of OKI America Inc All...

Page 935: ...of accumulated sheets is 10 and the printout operation ends l Changes in bias voltage applied to each roller move adhesive toner from the roller to the EP image drum and return it to the developer Cle...

Page 936: ...on Page 296 B 3 Errors B 3 1 Errors List B 3 2 Major Trouble Errors B 3 3 Recoverable Errors Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner E...

Page 937: ...ay communication error l Toner lockout l 2 Recoverable errors Cover open l 2 nd tray route open l Paper size error l Face up route open l No cassette in 2 nd tray l Paper exit jam l Drum setting error...

Page 938: ...by itself once the cause of error has been removed Printing is not possible while an error is existing 3 The alarm serves as a warning only and the printing operation is performed Copyright 2000 Oki...

Page 939: ...ors B 3 2 1 Fuse Error B 3 2 2 Fan Error B 3 2 3 Paper Feed Monitoring B 3 2 4 2 nd Tray Communication Error B 3 2 5 Cover Open Copyright 2000 Oki Data Division of OKI America Inc All rights reserved...

Page 940: ...ser error occurs at the time of printing the heater is turned off soon but the printing continues of that page However if the error occurs before the write sensor is turned on the motor stops soon Cop...

Page 941: ...d on is described below Since the fan alarm is not monitored during printing the fan alarm does not appear from the moment the printing is started until the completion of printing operation In other w...

Page 942: ...tes an error in the paper transport system Error of transfer roller and or heat roller From write sensor ON to outlet sensor ON 207 mm or less Write outlet 69 Paper size error Indicates paper size oth...

Page 943: ...a command to the 2 nd tray is returned no status 90 ms or an undefined status However in case there is no status when reset it will be considered that the 2 nd tray is not mounted Copyright 2000 Oki...

Page 944: ...an open cover When the cover is closed the CU control unit section sends the reset signal and processes in the same way as if the power has been turned on Copyright 2000 Oki Data Division of OKI Ameri...

Page 945: ...e main body is open recording paper of the 1 st tray is being replaced No paper in 1 st cassette No paper has been detected by the 1 st tray s paper sensor No paper has been detected by the paper sens...

Page 946: ...figure below may differ The principle of toner detection however remains the same Operation l Toner Low is detected by monitoring the time interval of the encounter of the magnet set on the sensor pla...

Page 947: ...nimum height due to its own weight since there is no resistance provided by the toner on the other side Because of this the time interval during which it is in encounter with the magnet of the sensor...

Page 948: ...onsecutively Toner Low is canceled l When there is no change with the toner sensor for 2 cycles 2 63 sec x 2 or more then the Toner Sensor Alarm is activated l Copyright 2000 Oki Data Division of OKI...

Page 949: ...Description Page 306 B 4 Other Special Cases B 4 1 Manual Paper Feed B 4 2 Cleaning Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange B...

Page 950: ...on the inlet sensors without the hopping operation indicates manual paper feeding for OKIFAX 5750 OKIFAX 5950 excluding when power is on Copyright 2000 Oki Data Division of OKI America Inc All rights...

Page 951: ...tric potential is insufficient on the image drum surface Recovery of the toner to developing roller Cleaning is performed when the number of prints exceed 10 sheets or the one job operation ends At th...

Page 952: ...peration Description Page 309 B 4 2 Diagram Description of Print Operations Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for a...

Page 953: ......

Page 954: ...trol Panel Assembly Section 3 Printer Assembly Section 4 Base Assembly Section 5 Frame Assy Scanner L Section 6 Frame Assy Scanner U Section 7 Cables Option Boards Copyright 2000 Oki Data Division of...

Page 955: ...Service Guide OKIFAX 5750 5950 Chapter C Illustrated Parts List Page 311 Section 1 Cabinet Assembly...

Page 956: ......

Page 957: ...sette Assy Paper 1 10 40259701 Separation Frame Assy 1 11 40496001 Spring Damper Assy 1 12 40802601 Frame Assy Stacker FU 1 15 50709103 CS RING CS4 SUS 1 17 40802501 Guide Assy Paper FU 1 18 40757301...

Page 958: ...Service Guide OKIFAX 5750 5950 Chapter C Illustrated Parts List Page 312 Section 2 Control Panel Assy...

Page 959: ......

Page 960: ...m One touch 1 3 40733301 Sheet One touch 1 OF5950 4 40733302 Sheet One touch 1 OF5750 5 40919601 Cover One touch OF5750 1 OF5750 5 40732401 Cover One touch OF5950 1 OF5950 Copyright 2000 Oki Data Divi...

Page 961: ...Service Guide OKIFAX 5750 5950 Chapter C Illustrated Parts List Page 313 Section 3 Printer Assembly...

Page 962: ......

Page 963: ...1 10 51607402 Bearing A 3 11 50405501 Toner Sensor Assy 1 12 51010701 Sensor Plate In 3 13 51228901 One Way Clutch Gear 2 14 51229101 Idle Gear B 1 15 50805901 Reset Lever R 1 16 51229201 Idle Gear C...

Page 964: ...AX 1 52 41286801 Board DLK 1 53 50809902 Stacker Cover Holder 2 54 50932801 Spring Knob 2 55 41027701 Sensor Wire Assy 1 56 41415801 Spring Writer Sensor 1 Copyright 2000 Oki Data Division of OKI Amer...

Page 965: ...Service Guide OKIFAX 5750 5950 Chapter C Illustrated Parts List Page 314 Section 4 Base Assembly...

Page 966: ......

Page 967: ...1 Contact Assy 1 8 40763001 Sheet Insulation 1 9 40729901 Guide Cassette R 1 10 51023701 FG Plate C 1 11 50808601 Sheet Link R Assy 1 12 50929901 Sheet Spring 2 13 53345201 Link Pull Lever 2 14 509295...

Page 968: ...Service Guide OKIFAX 5750 5950 Chapter C Illustrated Parts List Page 315 Section 5 Frame Assy Scanner L...

Page 969: ......

Page 970: ......

Page 971: ...Service Guide OKIFAX 5750 5950 Chapter C Illustrated Parts List Page 316 Section 6 Frame Assy Scanner U...

Page 972: ......

Page 973: ...2001 Spring ADF 1 9 53339801 Back up Plate 1 10 40935801 Roller Assy Sensor 1 11 51608901 Bearing ADF 2 12 51236501 Gear Z22 1 13 51410401 Exit Roller Assy 1 14 40983001 Bar Discharge 1 15 51236401 Ge...

Page 974: ...Service Guide OKIFAX 5750 5950 Chapter C Illustrated Parts List Page 317 Section 7 Cables Option Boards...

Page 975: ......

Page 976: ......

Page 978: ...methods for Second Paper Feeder option of OKIFAX 5750 5950 Series Facsimile Transceiver Refer to the Instruction sheet of High Capacity Second Paper Feeder option for equipment handling and operation...

Page 979: ...r Feeder Page 319 1 Outline 1 1 Functions 1 2 External View and Component Names Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX f...

Page 980: ...eder under the control of the facsimile The main functions are the followings Paper that can be used l Paper Type Standard paper Xerox 4200 20 lb l Special paper PPC sheets use of envelopes or thick p...

Page 981: ...Second Paper Feeder Page 321 1 2 External View and Component Names Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updat...

Page 982: ...eeder Page 322 2 Mechanism Description 2 1 General Mechanism 2 2 Hopper Mechanism Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX...

Page 983: ...mitted to rotate the one way clutch of the hopping frame assembly The paper is delivered from the hopper into the facsimile through the turning of the hopping roller and feed roller Once delivered int...

Page 984: ...le with the paper being set single sheet at a time When the paper is loaded in the paper cassette it is then transported by the pulse motor carrying forward only a single sheet caught by the separatio...

Page 985: ...BPX for any updates to this material http bpx okidata com...

Page 986: ...escribes the disassembly procedures and for reassembly procedures basically proceed with the disassembly procedures in the reverse order 3 1 Precautions Concerning Parts Replacement 3 2 Parts Layout 3...

Page 987: ...any more than necessary 4 Only specified service tools may be used 5 Disassembly must be carried out according to the prescribed procedures Parts may be damaged if such procedures are not followed 6...

Page 989: ...Service Guide OKIFAX 5750 5950 Chapter D Second Paper Feeder Page 327 3 2 Parts Layout This section describes the layout of the main components...

Page 990: ......

Page 992: ...the components listed in the disassembly order diagram below Second Paper Feeder Stepping motor hopping 3 3 1 TQSB 2 PCB 3 3 2 Hopping roller shaft assy and One way clutch gear 3 3 3 Copyright 2000 O...

Page 993: ...ve six screws 2 and remove the upper plate 3 Remove two screws 5 and remove the hopping frame assy 6 4 Remove the front cover assy 4 off the guide boss on the guide L 2nd assy 7 by bending the guide L...

Page 994: ......

Page 995: ...y 10 7 Remove the protect M 14 guide bracket 15 planet gears 16 and planet gear bracket 17 8 Remove the E ring 18 which is keeping the sheet link 19 on the guide R 2nd assy 10 and pull out the hinge s...

Page 996: ......

Page 998: ...1 2 Remove the connector O from the TQSB 2 PCB P 3 Remove the screw Q and remove the TQSB 2 PCB P Note Refer to Detail A in the previous section Copyright 2000 Oki Data Division of OKI America Inc Al...

Page 999: ...e hopping frame assy 2 Remove the screw 1 and remove the earth plate 2 Remove the sensor lever 7 and remove the ground plate 6 Remove the gear 3 and remove the metal bush 5 and Hopping Roller shaft As...

Page 1001: ...4 1 Precautions Prior to the Troubleshooting 4 2 Preparations for the Troubleshooting 4 3 Troubleshooting Method Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Da...

Page 1002: ...ided in the facsimile Handbook 2 Obtain detailed information concerning the problem from the user 3 Go through checking in the conditions similar to that in which the problem occurred Copyright 2000 O...

Page 1003: ...4 2 Preparations for the Troubleshooting 1 Display on the Operator panel The status of the problem is displayed on the LCD Liquid Crystal Display on the Operator panel Go through the appropriate trou...

Page 1004: ......

Page 1006: ...en a problem occurs go through the troubleshooting according to the following procedure LCD Status Message List section 4 3 1 Copyright 2000 Oki Data Division of OKI America Inc All rights reserved Se...

Page 1007: ...Service Guide OKIFAX 5750 5950 Chapter D Second Paper Feeder Page 336 4 3 1 LCD Status Message List...

Page 1008: ......

Page 1009: ......

Page 1010: ......

Page 1011: ......

Page 1012: ...Feeder Page 337 5 Connection Diagram 5 1 Interconnection Diagram 5 2 PCB Layout Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX...

Page 1013: ...Service Guide OKIFAX 5750 5950 Chapter D Second Paper Feeder Page 338 5 1 Interconnection Diagram...

Page 1015: ...pter D Second Paper Feeder Page 339 5 2 PCB Layout TQSB 2 PCB Copyright 2000 Oki Data Division of OKI America Inc All rights reserved See the Oki Data Business Partner Exchange BPX for any updates to...

Page 1016: ...Service Guide OKIFAX 5750 5950 Chapter D Second Paper Feeder Page 340 6 Parts List Section 1 Cabinet Cassette Assembly...

Page 1017: ......

Page 1018: ...Section 2 Mechanical Assembly...

Page 1019: ......

Page 1020: ...nger 1 9 50222401 Hopping Frame Assy 1 10 51608901 Bushing Metal ADF 1 11 51239001 Gear Z70 1 12 50411201 Lever Sensor P 1 13 50222501 Feed Roller Assy 1 14 56633901 Cable connector 1 15 56512201 Step...

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