Brother HL-1870N, Service Manual

Page: 285 / 303

APPENDIX
A-14
APPENDIX 14. SERIAL NO. DESCRIPTIONS
The descriptions below show how to understand the meanings of the numbers printed on the
labels or bag of the printer and printer parts:
< ID for production month >
A: JanuaryB: FebruaryC: March D: April
E: MayF: June G: JulyH: August
J: September K: October L: November M: December
< ID for year >
2: 2002 3: 2003
< ID for factory >
9: Kariya Plant A: Mie Brother C: BIUK
J: Buji Nan Ling Factory
(1) Printer: Printed on the label attached on the rear of the main body
<Example>
U 5 2 6 8 2 A 2 1 1 1 1 0 1
(2) Process unit: Imprinted on the aluminum bag
(Drum unit with toner cartridge)
2 A 1 1 J A
(3) Drum unit: Printed on the bar code label attached inside the drum unit
A 2 9 1 0 0 1 0 4
YEAR
MONTH
DATE
FACTORY ID NO.
YEAR
MONTH
SERIAL NO.
<MODEL NO.>
MONTH
YEAR
FACTORY ID NO.
SEQUENTIAL NO.
< SERIAL NO. >
FACTORY ID NO.
PRODUCTION
LINE NO.