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OF5750/5950 Series January 2001
5
7.10
Sensor Calibration Test .......................................................................................... 7-13
7.11
LED Test ................................................................................................................ 7-14
7.12
Tone Send Test ...................................................................................................... 7-15
7.13
High-speed Modem Test ........................................................................................ 7-16
7.14
MF Send Test ........................................................................................................ 7-18
7.15
Tone (TEL/FAX) Send Test .................................................................................... 7-19
7.16
No Acoustic Line Monitor ...................................................................................... 7-20
7.17
Power Supply Unit ................................................................................................ 7-21
7.18
No Document Feeding .......................................................................................... 7-22
7.19
Multiple Document Feeding .................................................................................. 7-23
7.20
Document Skew .................................................................................................... 7-24
7.21
Document Jam ...................................................................................................... 7-26
7.22
Printer Unit ............................................................................................................ 7-27
7.22.1
Precautions ........................................................................................................... 7-27
7.22.2
Troubleshooting Flow Charts of Printer Unit .......................................................... 7-28
7.23
G3 Dual Line Troubleshooting Flow Chart ............................................................ 7-48
7.24
Auto Dial Failure (G3 Dual Line) ........................................................................... 7-49
7.25
Transmission Problem (G3 Dual Line) .................................................................. 7-50
7.26
Auto Reception Failure (G3 Dual Line) ................................................................. 7-52
7.27
Reception Problem (G3 Dual Line) ....................................................................... 7-53
7.28
High-speed Modem Test (G3 Dual Line) ............................................................... 7-55
7.29
MF Send Test (G3 Dual Line) ................................................................................ 7-57
7.30
No Acoustic Line Monitor (G3 Dual Line) .............................................................. 7-58
Appendix A PC Board Decriptions and Operation
A1.1
Unit Configuration and Block Diagram ................................................................... A1-1
A2.1
OKIFAX 5750/5950 Signal Flow ............................................................................ A2-1
A2.2
Explanation of Signal Flowchart ............................................................................ A2-21
A3.1
MCNT .................................................................................................................... A3-1
A3.2
OPE Control .......................................................................................................... A3-36
A3.3
MODEM C34 PC Board ........................................................................................ A3-37
A3.4
UNC, WN5, FN5 and DN5 Circuit Diagram ........................................................... A3-42
A3.5
Power Supply Board ............................................................................................. A3-55
A3.6
High-voltage Power Supply Circuit ........................................................................ A3-57
A3.7
G4A-PCB .............................................................................................................. A3-59
A3.8
G3A-PCB .............................................................................................................. A3-61
Appendix B Description of Print Operations for OKIFAX 5750/5950
B.1
Mechanical Components ....................................................................................... B-1
B.2
Description of Print Operations ............................................................................. B-2
B.2.1
Process Operations ............................................................................................... B-2
B.3
Errors .................................................................................................................... B-13
B.3.1
Errors List .............................................................................................................. B-13
B.3.2
Major Trouble Errors ............................................................................................. B-14
B.3.2.1
Fuser Error ............................................................................................................ B-14
B.3.2.2
Fan Error ............................................................................................................... B-14
B.3.2.4
2'nd Tray Communication Error ............................................................................. B-15
B.3.2.5
Cover Open ........................................................................................................... B-15
B.3.2.3
Paper Feed Monitoring .......................................................................................... B-15
B.3.3
Recoverable Errors ............................................................................................... B-16
B.3.3.1
Toner Low Detection ............................................................................................. B-17
B.4
Other Special Cases ............................................................................................. B-19
B.4.1
Manual Paper Feed ............................................................................................... B-19
B.4.2
Cleaning ................................................................................................................ B-19
Summary of Contents for OKIFAX 5950
Page 9: ...CHAPTER 1 GENERAL INFORMATION ...
Page 101: ...OF5750 5950 Series January 2001 1 92 1 6 21 NIC Information ...
Page 107: ...CHAPTER 2 INSTALLATION PROCEDURE ...
Page 264: ...CHAPTER 3 BRIEF TECHNICAL DESCRIPTION ...
Page 272: ...CHAPTER 4 MECHANICAL DISASSEMBLY AND REASSEMBLY ...
Page 277: ...OF5750 5950 Series January 2001 4 5 Appearance of the OKIFAX 5750 5950 ...
Page 302: ...CHAPTER 5 ADJUSTMENTS ...
Page 306: ...CHAPTER 6 CLEANING AND MAINTENANCE ...
Page 341: ...CHAPTER 7 TROUBLESHOOTING AND REPAIR FOR OKIFAX 5750 5950 ...
Page 400: ...Appendix A PC Board Descriptions and Operation ...
Page 491: ...Appendix B DescriptionsofPrintOperation ...
Page 513: ...Appendix C Not used at this time ...
Page 516: ...OF5750 5950 Series January 2001 D 1 Section 1 CABINET ASSEMBLY 27 28 29 ...
Page 518: ...OF5750 5950 Series January 2001 D 3 Section 2 CONTROL PANEL ASSEMBLY 11 ...
Page 520: ...OF5750 5950 Series January 2001 D 5 Section 3 PRINTER ASSEMBLY 53 54 31 10 55 52 34 56 ...
Page 523: ...OF5750 5950 Series January 2001 D 8 Section 4 BASE ASSEMBLY ...
Page 525: ...OF5750 5950 Series January 2001 D 10 Section 5 FRAME ASSEMBLY SCANNER L 31 30 33 32 ...
Page 527: ...OF5750 5950 Series January 2001 D 12 Section 6 FRAME ASSEMBLY SCANNER U ...
Page 529: ...OF5750 5950 Series January 2001 D 14 Section 7 CABLES OPTION BOARDS ...
Page 530: ...OF5750 5950 Series January 2001 D 15 28 29 Section 7 CABLES OPTION BOARDS ...
Page 532: ...Appendix E Not used at this time ...