Service manual

MFC-8420/8820D/8820DN, DCP-8020/8025D/8025DN
SERVICE MANUAL
1-17
(4) Toner cartridge: Imprinted on the aluminum bag
3 A 3 0 J
Printed on the bar code label attached on the toner cartridge
M 3 9 A 0 0 0 1 9 9 A
(5) Laser unit: On the laser unit
2 8 0 0 1
YEAR
MONTH
DATE
FACTORY ID NO.
YEAR
MONTH
SERIAL NO.
PRODUCTION LOT NO.
LASER UNIT NO. 8: LJ7516001 Laser Unit ZL2
FACTORY ID NO.
FACTORY ID NO.
CARTRIDGE
PRODUCTION INFO.
1: Kariya Plant
2: Buji Nan Ling Factory
TONER VOLUME
PRODUCT LINE NO.