App.
4-51
Confidential
WSW47
(Switching between high- and full-speed USB)
Selector
No.
Function
Setting and Specifications
1
Handling paper at the
occurrence of a paper feed
timing error
0: Eject paper w/o print 1: Print on the current
paper
2
Not used.
3
4
Delay of FAX line
disconnection when switching
to the pseudo-ringing external
telephone
No. 3 4
0
0
:
200
ms
0
1
:
400
ms
1
0
:
700
ms
1
1
:
1000
ms
5
Disable the ringer of external
telephone at non-ring reception
0: No
1: Yes
6
Not used.
7
Disable the ringer of external
telephone with CAR signal
when caller ID service is
available
0: No
1: Yes
8
Switching between high-speed
USB and full-speed USB
0: Auto switching between
1: Fixed to full-speed
high-speed USB (ver. 2.0) USB (ver. 1.1)
and full-speed USB (ver. 1.1)
NOTE:
Selector 1 is applicable only to models equipped with flat-bed scanners.
NOTE:
Selectors 3 and 4 are applicable only to models supporting pseudo-ringing of a connected
external telephone.
Selector 1: Handling paper at the occurrence of a paper feed timing error
When feeding paper to the print start position, the machine might cause a feed timing error so that
the registration sensor goes ON signaling the presence of paper. This selector determines whether
the machine prints on the current paper or ejects the current paper without printing and prints on
the next paper.
Selectors 3 and 4: Delay of FAX line disconnection when switching to the pseudo-ringing external
telephone
When the machine receives a phone call, it can make the connected external telephone ring (so
called pseudo-ringing). During pseudo-ringing, if you pick up the handset of the external
telephone, the line might be disconnected due to cut-off of the line current.
To hold the line, the machine may supply line current by making use of the pulse generator circuit
that forms a parallel loop. This way the FAX line disconnection may be delayed. These selectors
determine the delay period.
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 ...