Brother HL-5450DNT - Manual (Page 132)

126
Troubleshooting
6
Replace Laser It is time to replace the laser unit. Call your Brother dealer or a Brother Authorized
Service Center to replace the laser unit.
Replace PF Kit1
Replace PF Kit2
Replace PF KitMP
It is time to replace the paper
feeding kit. Call your Brother dealer or a Brother Authorized
Service Center to replace the PF kit.
Replace Toner The toner cartridge is at the end of
its life. The machine will stop all print
operations. Replace the toner cartridge. (See Replacing the toner
cartridge uu page 97.)
Size Error DX The paper size defined in the printer
driver is not available for automatic
duplex printing. Press Cancel. Choose a paper size which is
supported by the duplex tray.
The paper size you can use for automatic duplex
printing is A4.
The paper in the tray is not correct
size and is not available for
automatic duplex printing. Load the correct size of paper in the tray.
The paper size you can use for automatic duplex
printing is A4.
Toner Low If the Status Monitor shows
Toner Low you can still print;
however, the machine is telling you
that the toner cartridge is near the
end of its life. Order a new toner cartridge now so a replacement
toner cartridge will be available when the
Status Monitor shows Replace Toner.
Error message Cause Action