Brother HL-3450CN Service Manual page 331

APPENDIX
(6) Laser Unit
*1-9 and X for Oct., Y for Nov., Z for Dec.
<Location>
(7) Transfer Drum
*1-9 and X for Oct., Y for Nov., Z for Dec.
<Location>
X X X X X
REV
DATE
*MONTH
YEAR
Fig. A- 5
X X X X X X X X X X
*MONTH
FACTORY USE YEAR
Fig. A- 6
DATE
A-4