LCD messages

If any problems occur, the printer automatically stops printing, diagnoses the problem, and displays the resulting message on the LCD to alert you. Take the appropriate action, referring to the following tables. If you cannot clear the problem, call the dealer you bought the printer from or Brother Customer Service.
Note Note
 
The LCD names for the paper trays are as follows.
• 
Standard paper tray: Tray1
• 
Multi-purpose tray: MP
• 
Optional Lower tray(HL-4050CDN / HL-4070CDW only): Tray2
Error messages
Error message
Action
Access Error
The USB device was removed while data was processing. Press Cancel. Reinsert the USB device and try to print with Direct Print or PictBridge.
Cartridge Error
Pull out the drum unit. Take out the toner cartridge that is indicated on the second line of LCD and put it back into the printer again.
Cover is Open
Close the cover that is indicated on the second line of LCD.
DIMM Error
Turn off the printer. Re-install the DIMM correctly. Wait a few seconds, and then turn it on again. If this error message appears again, replace the DIMM with a new one. See Installing extra memory.
Drum Error
Clean the corona wires. (See Cleaning the corona wires.)
EL Error
Open the front cover and close it again.
Fuser Error
Turn the power switch off, wait a few seconds and then turn it again. Leave the printer for 15 minutes with the power on.
Jam XXX
Carefully pull out the jammed paper from the area shown in Paper jams and how to clear them.
Low Temperature
Allow the machine to warm up.
Manual Feed
Put the same size of paper in the MP tray as is shown on the LCD. If the printer is 'paused', press Go.
No Belt Unit
Install the belt unit. (See Belt unit.)
No Drum Unit
Install the drum unit. (See Drum unit)
No Paper
Put paper in the indicated empty tray.
No Tray
Put the tray1 in the printer.
No Waste Toner
Install the Waste Toner Box. (See Waste toner box.)
Out Of Memory
Add more memory. (See Installing extra memory.)
Size Error
Check the printer driver setting and put the correct sized paper in tray that is indicated on the second line of LCD. (See About paper.)
Size Error DX
You can only use A4, A4 Long size for duplex printing. Check the printer driver setting. Put the correct size of paper, which is indicated on the second line of the LCD, in the tray. (See About paper.)
Size Mismatch
Put the same size paper in the paper tray or MP tray that is selected in the printer driver, and then press Go, or select the size of paper you set in the Tray Size setting from the control panel.
Toner Life End
It is time to replace the toner cartridge. (See Replacing a toner cartridge.)
Tray2 Error
Take out Tray2 and push it back in firmly.
Unusable Device
Remove the USB flash memory drive from USB Direct Interface.
Waste Toner Full
It is time to replace the Waste Toner Box. (See Replacing the waste toner box.)
Error messages in Color Correction
Call service message
Action
Calibrate
<Second line of the LCD>Calibration failed. See Troubleshooting chapter in User's guide.
• 
Turn off the printer. Wait a few seconds, then turn it on again.
• 
Put in a new drum unit. (See Replacing the drum unit.)
• 
Put in a new belt unit. (See Replacing the belt unit.)
• 
Put in a waste toner box. (See Replacing the waste toner box.)
• 
If the problem continues, call your dealer or Brother Customer Service.
Registration
<Second line of the LCD>Registration failed. See Troubleshooting chapter in User's guide.
• 
Turn off the printer. Wait a few seconds, then turn it on again.
• 
Put in a new belt unit. (See Replacing the belt unit.)
• 
If the problem continues, call your dealer or Brother Customer Service.
Maintenance messages
Error message
Meaning
Action
Bsymbol.squf Bsymbol.squf Bsymbol.squ Bsymbol.squf
The four Bsymbol.squf marks (also Bsymbol.squ, Bsymbol.squ=blinking Bsymbol.squf) indicate the Black (K), Yellow (Y), Magenta (M), Cyan (C) toner cartridges from left to right. When the Bsymbol.squf mark blinks (shown as Bsymbol.squ in left), the indicated colour toner is nearly empty. When the toner becomes empty, the Bsymbol.squf indicator disappears completely.
Buy a new toner cartridge before you get a Toner Life End message.
Change Belt Unit
It is time to replace the belt unit.
Replace the belt unit.
Change PF KitXX
It is time to replace the paper feeding kit XX.
Replace the paper feeding kit.
Drum End Soon
It is time to replace the drum unit.
Replace the drum unit. (See Replacing the drum unit.)
Fuser Unit End
It is time to replace the fuser unit.
Replace the fuser unit.
Laser Unit End
It is time to replace the laser unit.
Replace the laser unit.
Waste Toner Soon
The waste toner box is almost full.
Be ready to replace the waste toner box. (See Replacing the waste toner box.)
Call service messages
Call service message
Action
Print Unable ##
Turn off the printer. Wait a few seconds, then turn it on again. If this does not clear the problem, call your dealer or a Brother Customer Service.