Brother MFC620CN Service Manual page 232

The BHL2-Maintenance Printer Properties window appears as shown below.
Click the Ports tab.
The port number assigned to the Brother BHL2-Maitenance Printer, USB010 in this example,
is one that has been selected in Port on the BrUsbSn screen
(9) In the Head Info. box on the BrUsbSn screen
out of the 13-digit property code (enclosed with asterisks, e.g., *J776601D00009*) which is
printed on the bar code label attached to the head/carriage unit. Click the OK button.
(10) To check that the entered head property is correct (using Function code 68 in
Section 8.5.16.):
MFC620CN/425CN/420CN/410CN/215C/210C and FAX2440C
Press the 6 and 8 keys in this order. Then press the 2, 5, 8, 0 keys in this order.
DCP315CN/310CN/120C/115C/117C/110C
Enter 6, 8, 2, 5, 8, and 0 by using the
(*To enter a numerical code on models having no numerical keypad, press the
display the numerical code to be entered and then press the Set key. Repeat this operation for each
numerical code.)
The LCD shows the current head property information (12-digit code) stored in the EEPROM
on the main PCB.
(11) Check that the character string entered in step (9) is displayed in "XXXXXXXXXXXX."
If it is OK, press the Stop/Exit key.
If something other than that is displayed in XXXXXXXXXXXX, check the connection
between the PC and machine and go back to step (6).
(page 6-8), type 12 digits (e.g., 776601D00009)
and Set keys.*
6 - 1 0
(page 6-8).
key several times to
Chapter 8,
Confidential