Confidential
9-22
S-3
This machine does not appear in Chooser (Mac OS
®
9.1 to 9.2) or Print center
(MacOS
®
X 10.2.4 or greater).w
User Check
(1) Check the machine is turned on.
(2) Check the USB cable is connected correctly.
(3) Check the printer driver is installed correctly.
Possible cause
Step
Check
Result
Remedy
Machine
connection
1 Select ‘Apple System
Profiler’ in Apple Menu.
Are the following items
indicated in the USB box of
the Device and Volumes
tab?
•
Product ID:
018Ah
Vender:
Brother International
Corporation (or 0x4f9)
No Check the machine is turned on
and the USB cable is connected
correctly.
Check that the USB cable used
is the shielded twisted pair type
and 5 m or less.
Try to connect the machine and
PC with the USB cable directly.
No Try to re-install the printer
driver.
Driver
installation
2 Are there the following
files in the Extensions
Folder of System Folder?
<For System 9.1 – 9.2>
•
BR_PrintMoniter (laser)
•
Brother Laser
Yes
Turn off the machine and PC
power switch, and check all
connections between them.
Then, turn them on again.
S-4
Make sure that the supplied Macintosh
®
printer driver is installed in the hard disk
and that it is selected with chooser (Mac OS
®
9.1 to 9.2) or print center (Mac
OS
®
X 10.2.4 or greater).
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 ...