
Routine Maintenance
125
5
You must clean the machine regularly and replace supplies when the following messages are displayed on
the Touchscreen:
1
A4 or Letter size single-sided pages
2
Approximate cartridge yield is declared in accordance with ISO/IEC 19798.
3
Life of supply is approximate and may vary by type of use.
Touchscreen
messages
Supply to
replace
Approximate life
How to replace
Model Name
Replace Toner
Toner cartridge
The Touchscreen
displays the toner
cartridge colour
that you must
replace.
BK = Black
C = Cyan
M = Magenta
Y = Yellow
6,000 pages
See page 128
TN-900BK
TN-900C
TN-900M
TN-900Y
Replace Drum
Drum unit
25,000 pages
See page 134
DR-321CL
Drum Stop
Drum unit
25,000 pages
See page 134
DR-321CL
Replace Belt
Belt unit
50,000 pages
(5 pages per job)
20,000 pages
(1 page per job)
See page 140
BU-320CL
Replace WT Box
Waste toner box
50,000 pages
See page 146
WT-320CL
Replace Fuser
Fuser unit
100,000 pages
Contact your dealer or Brother customer
service for a replacement fuser unit.
Replace PF Kit MP
Paper feeding kit
50,000 pages
Contact your dealer or Brother customer
service for a replacement PF kit MP.
Replace PF Kit 1
Paper feeding kit
100,000 pages
Contact your dealer or Brother customer
service for a replacement PF kit 1.
Replace PF Kit 2
Paper feeding kit
100,000 pages
Contact your dealer or Brother customer
service for a replacement PF kit 2.
Replace Laser
Laser unit
100,000 pages
Contact your dealer or Brother customer
service for a replacement laser unit.