HL-5240/5250DN/5270DN/5280DW SERVICE MANUAL
Confidential
1-23
4. 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: January B: February C: March D: April
E: May F: June G: July H: August
J: September K: October L: November M: December
< ID for year >
5: 2005 6: 2006
< ID for factory >
9: Kariya Plant A: Mie Brother C: BIUK
J: Buji Nan Ling Factory E: BITM D: BIUS
F: BISZ
(1) Printer: Printed on the label attached on the rear of the main body
<Example>
U 5 2 6 8 2 A 5 J 1 1 1 1 0 1
(2) Process unit: Imprinted on the aluminum bag
(Drum unit with toner cartridge)
5 A 1 1 J A
(3) Drum unit: Printed on the bar code label attached inside the drum unit
A 5 J 5 1 0 0 1 0 4 A
<MODEL NO.>
MONTH
< SERIAL NO. >
DR/TN REUSE
The first time: M
The second time: N
The third time: P
SEQUENTIAL NO.
FACTORY ID NO.
YEAR
PRODUCTION LINE NO.
FACTORY ID NO.
DATE
MONTH
YEAR
PRODUCTION LINE NO.
SERIAL NO.
TONER VOLUME
MONTH
YEAR
FACTORY ID NO.
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