Brother HL-3450CN Service Manual page 329

APPENDIX
(2) Toner Cartridge
*1-9 and X for Oct., Y for Nov., Z for Dec.
<Location>
(3) OPC Belt Cartridge
*1-9 and X for Oct., Y for Nov., Z for Dec.
<Location>
X X X X X X X X X X
FACTORY USE
DATE OF CARTRIDGE
*MONTH OF CARTRIDGE
*MONTH OF TONER
YEAR OF TONER
Fig. A- 2
X X X X X X
REVISION
DATE OF CARTRIDGE
*MONTH OF CARTRIDGE
*MONTH OF BELT
YEAR OF BELT
Fig. A- 3
&2/25
REVISION
A-2