Brother HL-7050N - Manual (Page 172)

TROUBLESHOOTING 6 - 4
HL7050_US_UG_FM5.5
Maintenance messages
Maintenance message Action
CHANGE DRUM SOON The drum unit is almost at the end of life. Prepare a
new drum unit. See CHANGE DRUM SOON message
in Chapter 5.
TONER LOW Purchase a new toner cartridge and have it ready
before you get a TONER EMPTY message. To
replace the toner cartridge, see Chapter 5.
TONER LIFE END Replace the new toner cartridge referring to Chapter 5.
REPLACE PF KIT MP Call your dealer for a replacement paper feeding kit.
REPLACE PF KIT1 Call your dealer for a replacement paper feeding kit.
REPLACE PF KIT2 Call your dealer for a replacement paper feeding kit.
REPLACE PF KIT3 Call your dealer for a replacement paper feeding kit.
REPLACE PF KIT4 Call your dealer for a replacement paper feeding kit.
REPLACE FUSER Call your dealer for a replacement fuser unit.
REPLACE LASER Call your dealer for a replacement laser unit.