Brother HL-4140CN User Manual page 95

Routine Maintenance
The following messages appear on the LCD in the Ready state. These messages provide advanced warnings
to replace the consumable items before they reach the end of their life. To avoid any inconvenience, you may
want to buy spare consumable items before the machine stops printing.
LCD messages Consumable
item to replace
Toner cartridge,
Ready
Black
5
Kn Yo Mo Co
Toner cartridge,
Ready
Cyan
5
Ko Yo Mo Cn
Toner cartridge,
Ready
Magenta
5
Ko Yo Mn Co
Toner cartridge,
Ready
Yellow
5
Ko Yn Mo Co
Drum unit
Drum End Soon
Belt unit
Belt End Soon
Waste toner box
WT Box End Soon
1
A4 or Letter size single-sided pages.
2
Approx. cartridge yield is declared in accordance with ISO/IEC 19798.
3
1 page per job
4
Drum life is approximate and may vary by type of use.
5
The n mark means blinking.
6
Standard toner cartridge
7
High capacity cartridge
8
Super high capacity cartridge (HL-4570CDW(T) only)
Approximate life How to replace
1 2 6 See page 97
2,500 pages
1 2 7
4,000 pages
1 2 8
6,000 pages
1 2 6
1,500 pages
1 2 7
3,500 pages
1 2 8
6,000 pages
1 3 4 See page 102
25,000 pages
1 See page 106
50,000 pages
1 See page 110
50,000 pages
Model Name
6 7
TN-320BK TN-325BK
8
TN-328BK
6 7
TN-320C TN-325C
8
TN-328C
6 7
TN-320M TN-325M
8
TN-328M
6 7
TN-320Y TN-325Y
8
TN-328Y
DR-320CL
BU-300CL
WT-300CL
90
5