App.
4-4
Confidential
Selector 7: Switching between pulse (DP) and tone (PB) dialing, by the function switch
This selector determines whether or not the dialing mode can be switched between the pulse (DP)
and tone (PB) dialing by using the function switch.
Selector 8: Default dialing mode, pulse (DP) or tone (PB) dialing
This selector sets the default dialing mode (pulse dialing or tone dialing) which can be changed by
the function switch. If the user switches it with the function switch when selector 7 is set to "0,"
the setting specified by this selector will also be switched automatically.
WSW02
(Tone signal setting)
Selector
No.
Function
Setting and Specifications
1
2
Tone signal transmission time
length
No. 1 2
0 0
:
70 ms
0 1
:
80 ms
1 0
:
90 ms
1
1 : 100
ms
3
4
Min. pause in tone dialing
No. 3 4
0 0
:
70 ms
0 1
:
80 ms
1 0
:
90 ms
1
1 : 140
ms
5
|
8
Attenuator for pseudo ring
backtone to the line (selectable in
the range of 0-15 dB, in 1 dB
increments)
0 : 0 dB
1: 8 dB
0 : 0 dB
1: 4 dB
0 : 0 dB
1: 2 dB
0 : 0 dB
1: 1 dB
Selectors 1 through 4: Tone signal transmission time length and Min. pause in tone dialing
These selectors set the tone signal transmission time length and minimum pause in tone dialing.
(Example: If "1," "2," "3," "4," and "5" are dialed.)
Selectors 5 through 8: Attenuator for pseudo ring backtone to the line
These selectors are used to adjust the sound volume of a ring backtone in the F/T mode, an on-hold
sound, or a beep generated as a signal during remote control operation or at the start of ICM
recording.
The larger the value specified by these selectors, the greater the attenuation.
Summary of Contents for MFC-9420CN
Page 1: ...Confidential FACSIMILE EQUIPMENT SERVICE MANUAL MODELS MFC 9420CN ...
Page 16: ...Confidential CHAPTER 1 PARTS NAMES FUNCTIONS ...
Page 22: ...Confidential CHAPTER 2 SPECIFICATIONS ...
Page 33: ...Confidential CHAPTER 3 THEORY OF OPERATION ...
Page 48: ...Confidential 3 1 4 CBV DBV Fig 3 16 Y M C K Fig 3 17 ...
Page 69: ...Confidential 3 3 5 Fig 3 35 ...
Page 73: ...Confidential 3 3 9 3 Interface Circuit Printer side Fig 3 38 ...
Page 82: ...Confidential CHAPTER 4 TRANSFER OF DATA LEFT IN THE MACHINE TO BE SENT FOR REPAIR ...
Page 85: ...Confidential 4 2 Cover page sample End page sample Fig 4 1 ...
Page 86: ...Confidential CHAPTER 5 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Page 94: ...Confidential 5 5 5 1 1 AC Cord 1 Disconnect AC cord from the machine Fig 5 1 AC cord Machine ...
Page 175: ...Confidential CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Page 203: ...Confidential CHAPTER 7 CLEANING ...
Page 205: ...Confidential CHAPTER 8 MAINTENANCE MODE ...
Page 213: ...8 6 Confidential Fig 8 2 Scanning Compensation Data List a b c d e f g h i j k l m n q ...
Page 224: ...8 17 Confidential Cover page sample End page sample Fig 8 8 ...
Page 255: ...Confidential CHAPTER 9 ERROR INDICATION AND TROUBLESHOOTING ...
Page 279: ...Confidential 9 23 2 Image failure 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...
Page 280: ...Confidential 9 24 15 a 15 b 16 17 18 19 20 21 22 23 24 25 Fig 9 1 ...
Page 325: ...App 1 5 Confidential 6 Transfer Unit X X X X X X 7 1 2 3 Location SERIAL NO YEAR MONTH DATE ...
Page 398: ...B Power Supply PCB 100V 127V Confidential ...