Brother DCP-L8400CDN Basic User's Manual page 59

You must clean the machine regularly and replace the supply items when the messages in the
table are displayed on the Touchscreen.
Touchscreen Supply to replace
messages
Toner cartridge
Replace Toner
The Touchscreen
displays the toner
cartridge colour
that you must
replace.
BK = Black
C = Cyan
M = Magenta
Y = Yellow
Drum unit
Replace Drum
Drum unit
Drum Stop
Belt unit
Replace Belt
Waste toner box
Replace WT Box
Fuser unit
Replace Fuser
Paper feeding kit
Replace PF Kit
MP
Paper feeding kit
Replace PF
Kit1
Paper feeding kit
Replace PF
Kit2
Laser unit
Replace Laser
1
A4 or Letter size single-sided pages.
2
Approximate 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
Standard toner cartridge
6
High yield toner cartridge
7
Super high yield toner cartridge
8
5 pages per job
Approximate life How to replace
<Black> See page 53.
1 2 5
2,500 pages
1 2 6
4,000 pages
1 2 7
6,000 pages
<Cyan, Magenta,
Yellow>
1 2 5
1,500 pages
1 2 6
3,500 pages
1 2 7
6,000 pages
See page 58.
1 3 4
25,000 pages
See page 65.
1 8
50,000 pages
1 3
20,000 pages
See page 70.
1
50,000 pages
Contact Brother customer service or your
1
100,000 pages
local Brother dealer to replace the fuser
unit.
Contact Brother customer service or your
1
50,000 pages
local Brother dealer to replace the paper
feeding kit.
1
100,000 pages
1
100,000 pages
Contact Brother customer service or your
1
100,000 pages
local Brother dealer to replace the laser
unit.
Routine maintenance
Model name
5
TN-321BK ,
5
TN-321C ,
5
TN-321M ,
5
TN-321Y ,
6
TN-326BK ,
6
TN-326C ,
6
TN-326M ,
6
TN-326Y ,
7
TN-329BK ,
7
TN-329C ,
7
TN-329M ,
7
TN-329Y
DR-321CL
BU-320CL
WT-320CL
51
A