(3)
DIP switch explanation
Table
DIP switch
on the AUX PC board
DIP Switch
No.
Function
“ON” Position
Sending power level
adjustment
Subscriber line
equalization (TX side)
8dB
4dB
4dB
To attenuate the
level
OFF
Refer to notes below.
OFF
Subscriberline
8dB
OFF
Refer to notes below.
equalization (RX side)
4dB
OFF
Notes:
1. To equalize the amplitude versus frequency characteristic of the
subscriber
installed between the machine and the nearest
telephone exchange.
OF-38
Subscriber line
TEL. EX.
2. In case of Group 3 communication mode, an automatic adaptive
equalizer in a MODEM can perform the equalization automatically.
So the service personnel may not set them.
3 - 8
Summary of Contents for OKIFAX OF-38
Page 1: ...OfClFAx OF 38 Facsimile Transceiver HELD SERVICE HANDBOOK...
Page 2: ...OKIFAX OF 38 FACSIMILE TRANSCEIVER FIELD SERVICE HANDBOOK 0 0...
Page 7: ...C H A P T E R I GENERAL INFORMATION 0 0 s...
Page 8: ...CHAPTER 1 GENERAL INFORMATION 1 1 Features l l 1 2 GeneralAppearance l 3 0 0 c7...
Page 12: ...Fig 1 2 3 Operation Control Panel of the OKIFAX OF 38 l 4...
Page 13: ...0 0 co CHAPTER 2 SPECIFICATIONS...
Page 31: ...2 1 8...
Page 39: ...2 2 6...
Page 52: ...09s r El 1 SLl r pr Fig 2 1 General appearance and dimensionsof the OKIFAX OF 38 2 39...
Page 53: ...CHAPTER 3 lNSTALi_ATION...
Page 77: ...Table3 7 3 PTT parameter 3 2 3...
Page 112: ...Fig 3 13 1 Flow chart for typical message reception 3 5 8...
Page 113: ...Fig 3 13 2 Flow chart for typical message transmission 3 59...
Page 114: ...CHAPTER 4 MAINTENANCE...
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Page 160: ...CHAPTER 5 ADJUSTMENT...
Page 174: ...n mmmmm m mrm m 5 1 3...
Page 175: ...3 Scanner assembly SNS 18 PC BOARD SCREW SHIELDING PLATE Fig 5 2 4 Scanner assembly 5 14...
Page 186: ...CHAPTER 6 TROUSLESHOOTING...
Page 191: ...0 0 0 Fig 6 1 1 MODEM PC board 6 4...
Page 198: ...Li YU3512 1667 Fig 6 1 2 NCU 181 PC board JC3 6 1 1...
Page 211: ...Note No INo 6 2 4...
Page 214: ...6 2 4 Document Skew Put a smaller original in the carrier sheet and fed them together 6 2 7...
Page 220: ...C H A P T E R 7 DISASSEMBLY ASSEMBLY P...
Page 225: ...f 3z _ d 7 4...
Page 252: ...5 Remove a screw 0 SCREW 6 Remove the two screws Fig 7 3 11 3 SCREWS BOARD Fig 7 3 11 4 7 31...
Page 268: ...CHAPTER 8 BRIEF TECHNICAL DESCRIPTION...
Page 270: ...OKIFAX OF 38 overall circuit diagram Fig 8 1 1 m _ n 111 I I 1 Cl...
Page 271: ...t j_1 I 1 I I 1 c I_ c 8 3...
Page 273: ...m I j jj Read hugeData _ _t PrintlmageData...
Page 274: ...1 I _ __ __ _ M B 1 Fig 8 2 2 _ OKIFAX OF 38 G3 data send signal flow...
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