Brother HL-1850 Service Manual page 282

(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
2 A 3 0
YEAR
MONTH
DATE
FACTORY ID NO.
M 9 9 A 6 0 0 1 9 9 A
MONTH
SERIAL NO.
YEAR
TONER VOLUME
FACTORY ID NO.
1 7 0 0 1
LASER UNIT NO. 7: LJ5986001 Laser Unit HE
FACTORY ID NO.
A-15
J
PRODUCTION
LINE NO.
DR/TN REUSE
The first time: M
The second time: N
The third time: P
PRODUCTION LOT NO.
1: Kariya Plant
2: Buji Nan Ling Factory
APPENDIX