Appendix 1 Serial Numbering System - Brother HL-2440 Service Manual

APPENDIX 1 SERIAL NUMBERING SYSTEM

Each machine has a serial number label for the machine itself and property labels for some
other parts. Refer to the information below for the meaning of the serial number and property
codes and the location of each label.
■ Serial number labels for the machine itself
<How to Read>
<Location>
Serial number
Fig. App. 1-1
The back surface of the machine
Serial label
Fig. App. 1-2
* * * * * * A 7 J 1 1 1 1 0 1
Model number
Month of manufacture
A : January
B : February
C : March
D : April
App. 1-1
Serial number (6-digit)
Manufacturing factory No.
Year of manufacture
7: 2007
8: 2008
E : May J : September
F : June K : October
G : July L : November
H : August M : December
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