Brother MFC-9840CDW User Manual page 183

The following are maintenance messages that appear on the LCD in the Ready mode. These
message provide advanced warnings to replace the consumable items before they run out. To
avoid any inconvenience, you may wish to buy spare consumable items before the machine stops
printing.
LCD messages Consumable item
to replace
Toner cartridges
Toner Low
standard
Prepare New Black(K)
1
Toner Cartridge.
Toner cartridges
high yield
Waste toner box
Change Parts
Waste Toner Box
1
The toner cartridge color which is near the end of life is shown in the message.
2
Approx. yields based on 5% page coverage (Letter). The actual number of printed pages will vary depending on the
print jobs and paper you use.
3
When printing on Letter size paper at 5% print coverage for CMYK each. The actual number of printed pages will vary
depending on the print jobs and paper you use.
Troubleshooting and routine maintenance
Approximate life How to replace
See Replacing a toner
2
2,500 pages (Black)
cartridge on page 169.
1,500 pages (Cyan,
2
Magenta, Yellow)
2
5,000 pages (Black)
4,000 pages (Cyan,
2
Magenta, Yellow)
3 See Replacing the
20,000 pages
waste toner
box on page 185.
Order No.
TN-110BK
C
TN-110C
TN-110M
TN-110Y
TN-115BK
TN-115C
TN-115M
TN-115Y
WT-100CL
167