Brother HL-3450CN Series User Manual page 118

CHAPTER 5 MAINTENANCE
The following are Maintenance Messages that appear on the LCD in the
READY state. These messages provide advance warnings to replace the
consumable items before they run out. To avoid any inconvenience, you
may want to purchase spare consumable items before the printer stops
printing.
LCD Operator Call
message
READY
! "
K C
READY
" !
K C
Consumable
to Replace
Toner
Cartridge,
" "
Black
M Y
Toner
Cartridge,
! !
Cyan /
M Y
Magenta /
Yellow
Approximate
Life
14,000 pages
*1 *2
8,500 pages
*1 *2
5-2
How to Order No.
Replace
See 5-6 TN-02BK
See 5-6 TN-02C
TN-02M
TN-02Y