Brother MFC-9420CN Service Manual page 292

SERIAL NUMBERING SYSTEM
Individual machines have a serial number label for the machine itself and a property label for the
head/carriage unit.
This section lists the coding information for those serial numbers and property codes.
[ 1 ] Serial No. Descriptions
The descriptions as below show how to read labels on each place.
< ID for production month of Machine >
A: January
B: February
C: March
D: April
< ID for production month of other parts than the machine >
1: January
2: February
3: March
4: April
(1) Machine
<Location>
Right side of the machine
E: May J: September
F: June K: October
G: July L: November
H: August M: December
5: May 9:
6: June X:
7: July Y:
8: August Z:
U 6 0 1 5 7 L 1 S 1 1 1 1 0 1
(120V)
MODEL NO.
App. 1-1
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September
October
November
December
SERIAL NO.
FACTORY NO.
YEAR
MONTH
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