Brother  HL-4140CN User Manual page 61

LCD messages Consumable item
to replace
Toner cartridge
Toner Low
X = Black, Cyan,
Prepare New X
Magenta, Yellow
Toner
Cartridge.
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
Standard toner cartridge
4
High capacity toner cartridge
32
Approximate life How to replace
<Black> See page 35.
1 2 3
2,500 pages
1 2 4
4,000 pages
<Cyan, Magenta,
Yellow>
1 2 3
1,500 pages
1 2 4
3,500 pages
1 See page 53.
50,000 pages
Model name
3
TN-320BK ,
4
TN-325BK ,
3
TN-320C ,
4
TN-325C ,
3
TN-320M ,
4
TN-325M ,
3
TN-320Y ,
4
TN-325Y
WT-300CL