Brother HL 5030 - B/W Laser Printer Service Manual page 31

(4) Toner cartridge: Imprinted on the aluminum bag
Printed on the bar code label attached on the toner cartridge
CARTRIDGE
PRODUCTION INFO.
(5) Laser unit: On the laser unit
3 A 3 0
YEAR
MONTH
DATE
FACTORY ID NO.
M 3 9 A 0 0 0 1 9 9 A
MONTH
SERIAL NO.
YEAR
TONER VOLUME TONER VOLUME
FACTORY ID NO.
2 8 0 0 1
LASER UNIT NO. 8: LJ7516001 Laser Unit ZL2
FACTORY ID NO.
1-19
HL-5030/5040/5050/5070N SERVICE MANUAL
J
PRODUCTION
LINE NO.
PRODUCTION LOT NO.
1: Kariya Plant
2: Buji Nan Ling Factory