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OF5750/5950 Series January 2001
7 - 55
7.28 High-speed Modem Test (G3 Dual Line)
Modem's signal appears
across
CN3 (WN5)?
Start
TX
Which mode, TX or RX?
Yes
Return to section 7.23
Connect oscilloscope probe
across the line terminals
L1 and L2
Perform H-MODEM SEND
TEST G3 for the transmitter and
H-MODEM REC TEST G3 for
the receiver. (See Fig. 6.9.1)
No
Solved?
Yes
Replace WN5 Board.
Replace DM2 Board
TX End
Signal route:
CN3-15, 16
→
T1-3, 1
→
CN1-3, 4
RX
Modem's signal appears
across L1 and L2?
Replace G3A Board.
Yes
A
Possible cause:
CML signal
No
Modem's signal appears
across CN2-A8, B8 (S)
of G3A board?
Replace G3A Board.
Yes
No
No
Signal route:
IC202-9
→
IC203-6, 7
→
IC203-2, 1
→
CN2-A8, B8
Содержание OKIFAX 5950
Страница 9: ...CHAPTER 1 GENERAL INFORMATION ...
Страница 100: ...OF5750 5950 Series January 2001 1 91 NIC CONFIGURATION TYPE 2 09 22 2000 16 54 ID OKIDATA CORP E8S FAX MFP S W ...
Страница 101: ...OF5750 5950 Series January 2001 1 92 1 6 21 NIC Information ...
Страница 107: ...CHAPTER 2 INSTALLATION PROCEDURE ...
Страница 119: ...OF5750 5950 Series January 2001 2 12 Hang the document stacker onto hanging position 2 6 AC Cord Connection ...
Страница 264: ...CHAPTER 3 BRIEF TECHNICAL DESCRIPTION ...
Страница 272: ...CHAPTER 4 MECHANICAL DISASSEMBLY AND REASSEMBLY ...
Страница 277: ...OF5750 5950 Series January 2001 4 5 Appearance of the OKIFAX 5750 5950 ...
Страница 302: ...CHAPTER 5 ADJUSTMENTS ...
Страница 306: ...CHAPTER 6 CLEANING AND MAINTENANCE ...
Страница 341: ...CHAPTER 7 TROUBLESHOOTING AND REPAIR FOR OKIFAX 5750 5950 ...
Страница 400: ...Appendix A PC Board Descriptions and Operation ...
Страница 491: ...Appendix B DescriptionsofPrintOperation ...
Страница 513: ...Appendix C Not used at this time ...
Страница 514: ...Appendix D Mechanical Expanded View Drawing and Parts List OKIFAX 5750 5950 January 2001 Oki Data Corporation ...
Страница 516: ...OF5750 5950 Series January 2001 D 1 Section 1 CABINET ASSEMBLY 27 28 29 ...
Страница 518: ...OF5750 5950 Series January 2001 D 3 Section 2 CONTROL PANEL ASSEMBLY 11 ...
Страница 520: ...OF5750 5950 Series January 2001 D 5 Section 3 PRINTER ASSEMBLY 53 54 31 10 55 52 34 56 ...
Страница 523: ...OF5750 5950 Series January 2001 D 8 Section 4 BASE ASSEMBLY ...
Страница 525: ...OF5750 5950 Series January 2001 D 10 Section 5 FRAME ASSEMBLY SCANNER L 31 30 33 32 ...
Страница 527: ...OF5750 5950 Series January 2001 D 12 Section 6 FRAME ASSEMBLY SCANNER U ...
Страница 529: ...OF5750 5950 Series January 2001 D 14 Section 7 CABLES OPTION BOARDS ...
Страница 530: ...OF5750 5950 Series January 2001 D 15 28 29 Section 7 CABLES OPTION BOARDS ...
Страница 532: ...Appendix E Not used at this time ...
Страница 533: ...Appendix F Second Paper Feeder Maintenance Manual OKIFAX 5750 5950 series January 2001 Oki Data Corporation ...
Страница 550: ...OF5750 5950 Series January 2001 F 15 5 2 PCB Layout TQSB 2PCB PU FG CONTROLLER MOTOR DRIVER SEN2 MOTOR OSC SEN1 ...
Страница 551: ...OF5750 5950 Series January 2001 F 16 Figure 6 1 6 PARTS LIST SECTION1 CABINET CASSETTE ASSEMBLY P 7 2 8 1 6 5 3 4 O ...