Appendix 1 Serial Numbering System - Brother DCP-7090 Service Manual

APPENDIX 1 SERIAL NUMBERING SYSTEM

 Serial number labels on the printer
Model number
<Location>
Serial number
A 7 N 1 1 1 1 0 1
Serial number (6-digit)
Manufacturing factory No.
Year of manufacture
* : 201*
(e.g., 7 : 2017)
Month of manufacture
A: January
B: February
C: March G: July
D: April
Fig. App 1-1
Serial number label
Fig. App 1-2
E: May J: September
F: June K: October
L: November
H: August M: December
App. 1-1 Confidential