4-6
Confidential
(8) In Port on the BrUsbSn screen, select the port number assigned to the Brother 
Maintenance USB Printer.
If the port number is unknown, follow steps 1) through 4) below.
1) Click Start | Devices and Printers.
2) Right-click the Brother Maintenance USB Printer driver icon.
3) Click Properties.
4) Click the Ports tab.
(9) In the Serial No. box on the BrUsbSn screen, type the 15-digit serial number which 
is printed on the serial number label attached to the machine. 
(10)In the Head Info. box, type the 13-digit head property information. The head 
property information is printed on the bar code label attached to the head/carriage 
unit.
(11)Click OK.
(12)Wait for the confirmation screen of the entered serial number and head property 
information to appear, then click Yes.
(13)Use Maintenance mode 80 to display the serial number and head property 
information and check that the entered data is correct.
1.7 Updating of head property information (Maintenance mode 68)
Update the head property information, referring to Chapter 5, Section 1.3.24 "Updating 
of Head Property Information and Backup/Restoration of Head Calibration Data 
(Maintenance mode 68)."
The head property information can also be updated with the service setting tool 
(BrUsbSn.exe). For details, refer to “1.6 Set the serial number (Maintenance mode 
80)”.
1.8 Restore machine information (Maintenance mode 46)
Restore the machine information and user setting information that have been backed 
up in a USB flash memory, referring to Chapter 5, Section 1.3.12 "Backup of Machine 
Information (Maintenance mode 46)."
If the machine information is successfully restored, it is not necessary to perform 
operations given in Sections 1.9 to 1.15.
If the machine has failed to restore the machine information from the USB flash 
memory, replace the ink absorber box and flushing box and then reset their counts 
using the procedure given in Section 1.14.
Head property information