Error and Maintenance Messages

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As with any sophisticated office product, errors may occur and supply items may have to be replaced. If this happens, your machine identifies the error or required routine maintenance and shows the appropriate message. The most common error and maintenance messages are shown in the table.

Follow the instructions in the Action column to solve the error and remove the message.

You can correct most errors and perform routine maintenance by yourself. If you need more tips: Visit support.brother.com, and click the FAQs & Troubleshooting page.

Error Message	Cause	Action
2-sided Disabled	The back cover of the machine is not closed completely.	Close the back cover of the machine until it locks in the closed position.
Access Denied	The function you want to use is restricted by Secure Function Lock 3.0.	Ask your administrator to check your Secure Function Lock Settings.
Belt Error	The belt unit is not installed correctly.	Remove the belt unit from your machine, and put the belt unit back into the machine.
Calibration	Calibration failed.	Press and hold down to turn the machine off. Wait a few seconds, and then turn it on again. Perform the colour correction again using the LCD. Install a new belt unit. If the problem continues, contact Brother customer service or your local Brother dealer.
Cannot Detect	Your machine cannot detect the toner cartridge for the colour indicated on the LCD.	Remove the toner cartridge for the colour indicated on the LCD from the drum unit, and put the toner cartridge back into the drum unit.
	Your machine cannot detect the belt unit.	Remove the belt unit from your machine, and put the belt unit back into the machine.
	Your machine cannot detect the drum unit.	Remove the drum unit from your machine, and put the drum unit back into the machine.
Cannot Print ##	The machine has a mechanical problem.	Press and hold to turn the machine off, wait a few minutes, and then turn it on again. If the problem continues, contact Brother customer service or your local Brother dealer.
Cartridge Error	The toner cartridge is not installed correctly.	Pull out the drum unit, remove the toner cartridge for the colour that is indicated on the LCD, and place it back in the drum unit. Install the drum unit in the machine again. If the problem continues, contact Brother customer service or your local Brother dealer.
Condensation	Condensation may have formed inside the machine after a room temperature change.	Leave the machine turned on. Wait for 30 minutes with the front cover in the open position. Then turn off the machine and close the cover. Turn it on again.
Cooling Down	The temperature inside the machine is too high. The machine pauses its current print job and goes into cooling down mode.	Wait until the machine has finished cooling down. Make sure all vents on the machine are clear of obstructions. When the machine has cooled down, it will resume printing.
Cover is Open	The front cover is not completely closed.	Open and then firmly close the front cover of the machine.
Cover is Open	The fuser cover is not completely closed.	Close the fuser cover located under the back cover of the machine.
Cover is Open	The Mailbox (optional) back cover is not completely closed.	Close the Mailbox (optional) back cover.
Drum !	The corona wires on the drum unit must be cleaned.	Clean the corona wires on the drum unit. See Related Information: Clean the Corona Wires. If the problem continues, replace the drum unit with a new one.
Drum !	The drum unit or the toner cartridge and the drum unit assembly is not installed correctly.	Remove the drum unit, remove the toner cartridges from the drum unit, and put the toner cartridges back into the drum unit. Reinstall the drum unit in the machine.
Drum Error	The drum unit is not installed correctly.	Remove the drum unit from your machine, and put the drum unit back into the machine.
Drum Stop	It is time to replace the drum unit.	Replace the drum unit. See Related Information: Replace the Drum Unit.
Jam 2-sided	The paper is jammed in the paper tray or the 2-sided tray.	Remove the paper tray and the 2-sided tray to remove all jammed paper.
Jam Inside	The paper is jammed inside the machine.	Open the front cover, remove the toner cartridges and the drum unit assembly, and pull out all jammed paper. Reinstall the toner cartridges and the drum unit assembly into the machine. Close the front cover.
Jam Mailbox	The paper is jammed in the Mailbox (optional) unit.	Remove all jammed paper from the Mailbox (optional) unit as shown on the LCD.
Jam MP Tray	The paper is jammed in the MP tray.	Remove all jammed paper from in and around the MP tray. Press Retry.
Jam Rear	The paper is jammed in the back of the machine.	Open the back cover, the fuser cover and the cover 2 (if equipped). Remove all jammed paper. Close the covers. Press Retry.
Jam Tray1 Jam Tray2 Jam Tray3 Jam Tray4	The paper is jammed in the indicated paper tray.	Pull out the paper tray and remove all jammed paper as shown in the animation on the LCD.
Limit Exceeded	The print limit set in Secure Function Lock 3.0 was reached.	Ask your administrator to check your Secure Function Lock Settings.
Many Output Trays	Either bin 2 tray or bin 4 tray was removed from the Mailbox (optional) unit.	To use the Mailbox (optional) unit in 2-bin mode, remove both bin 2 tray and bin 4 tray. To use the Mailbox (optional) unit in 4-bin mode, install both bin 2 tray and bin 4 tray.
Media Type Mismatch	The media type specified in the printer driver differs from the paper type specified in the machine's menu.	Load the correct type of paper in the tray indicated on the LCD, and then select the correct media type in the Paper Type setting on the machine.
No 2-sided Tray	The 2-sided tray is not installed or not installed correctly.	Reinstall the 2-sided tray.
No Belt	The belt unit is not installed or not installed correctly.	Reinstall the belt unit. See Related Information: Replace the Belt Unit.
No Drum	The drum unit is not installed correctly.	Reinstall the toner cartridges and the drum unit assembly. See Related Information: Replace the Drum Unit.
No Drum Unit	The drum unit is not installed correctly.	Reinstall the toner cartridges and the drum unit assembly. See Related Information: Replace the Drum Unit.
No HUB Support	A USB hub device is connected to the USB host connector.	Disconnect the USB hub device from the USB host connector.
No Paper Fed Tray1 No Paper Fed Tray2 No Paper Fed Tray3 No Paper Fed Tray4	The machine failed to feed paper from the indicated paper tray.	Pull out the paper tray indicated on the LCD and gently remove all jammed paper.
No Paper MP Tray	The MP tray is out of paper, or paper is not loaded correctly in the MP tray.	Do one of the following: Refill paper in the MP tray. Make sure the paper guides are set to the correct size. If paper is in the MP tray, remove it and load it again. Make sure the paper guides are set to the correct size.
No Paper	The machine is out of paper, or paper is not loaded correctly in the paper tray.	Refill paper in the paper tray. Make sure the paper guides are set to the correct size. If paper is in the tray, remove it and load it again. Make sure the paper guides are set to the correct size. Do not overfill the paper tray.
No Paper Tray1 No Paper Tray2 No Paper Tray3 No Paper Tray4	The machine failed to feed paper from the indicated paper tray.	Do one of the following: Refill paper in the paper tray indicated on the LCD. Make sure the paper guides are set to the correct size. If paper is in the tray, remove it and load it again. Make sure the paper guides are set to the correct size. Do not overfill the paper tray.
No Toner	The toner cartridge for the colour indicated on the LCD is not installed or not installed correctly.	Remove the toner cartridge for the colour indicated on the LCD from the drum unit, and put the toner cartridge back into the drum unit. If the problem continues, replace the toner cartridge. See Related Information: Replace the Toner Cartridge.
No Tray1 No Tray2 No Tray3 No Tray4	The paper tray is not installed or not installed correctly.	Reinstall the paper tray indicated on the LCD.
No Waste Toner	The waste toner box is not installed or not installed correctly.	Reinstall the waste toner box.
Out of Memory	The machine’s memory is full.	Press and reduce the print resolution.
Output Tray Full	The output paper tray is full.	Remove printed paper from the output tray indicated on the LCD.
Paper Low Paper Low Tray 1 Paper Low Tray 2 Paper Low Tray 3 Paper Low Tray 4	The paper tray is nearly empty.	Refill the paper in the paper tray indicated on the LCD.
Print Data Full	The machine’s memory is full.	Press and delete the previously stored secure print data.
Registration	Registration failed.	Press and hold down to turn the machine off. Wait a few seconds, and then turn it on again. Perform the colour correction again using the LCD. Install a new belt unit. If the problem continues, contact Brother customer service or your local Brother dealer.
Replace Toner	The toner cartridge is at the end of its life. The machine stops all print operations.	Replace the toner cartridge for the colour indicated on the LCD. See Related Information: Replace the Toner Cartridge.
Replace WT Box	It is time to replace the waste toner box.	Replace the waste toner box with a new one. See Related Information: Replace the Waste Toner Box.
Screen Init. Fail	The touchscreen was pressed before the power on initialisation was completed.	Make sure nothing is touching the touchscreen.
Screen Init. Fail	Debris may be stuck between the lower part of the touchscreen and its frame.	Insert a piece of stiff paper between the lower part of the touchscreen and its frame and slide it back and forth to push out any debris.
Self-Diagnostic	The temperature of the fuser unit does not rise to a specified temperature within the specified time.	Press and hold to turn the machine off, wait a few seconds, and then turn it on again. Leave the machine idle for 15 minutes with the power on.
Self-Diagnostic	The fuser unit is too hot.
Short paper	The length of the paper in the tray is too short for the machine to deliver it to the Face down output tray.	Open the back cover (Face up output tray) to let the printed page exit onto the Face up output tray. Remove the printed pages, and then press Retry.
Size Error 2-sided	The paper size specified in the machine's paper size setting is not available for automatic 2-sided printing.	Press (if required). Load the correct size of paper in the tray and set the tray for that paper size. Choose a paper size supported by 2-sided printing. Paper sizes available for automatic 2-sided printing are A4, Letter, Legal, Mexico Legal, India Legal and Folio.
Size Error 2-sided	The paper in the tray is not the correct size and is not available for automatic 2-sided printing.
Size Error	The paper size defined in the printer driver is not supported by the defined tray.	Choose a paper size supported by the defined tray.
Size Mismatch	The paper in the tray is not the correct size.	Load the correct size of paper in the tray indicated on the LCD and set the size of paper for the tray. Press Retry.
Storage device not recognized	The USB flash drive is unavailable for use.	Press Close, and then press and hold to turn the machine off. Wait a few minutes, and then turn it on again. If the error message remains, change the Job Save Location setting to the machine's memory. See Related Information: Secure Print Using a USB Flash DriveReplace the Toner Cartridge.
Storage Full	The USB flash memory drive you are using does not have enough free space to store secure print data.	Press and delete the previously stored secure print data.
Supplies Belt End Soon	The belt unit is near the end of its life.	Order a new belt unit before the LCD displays Replace Belt.
Supplies Drum End Soon	The drum unit is near the end of its life.	Order a new drum unit before the LCD displays Replace Drum.
Supplies Replace Belt	It is time to replace the belt unit.	Replace the belt unit with a new one.
Supplies Replace Drum	It is time to replace the drum unit.	Replace the drum unit with a new one. See Related Information: Replace the Drum Unit.
Supplies Toner Low: X (X indicates the toner cartridge or drum unit colour that is near the end of its life. BK=Black, C=Cyan, M=Magenta, Y=Yellow.)	If the LCD displays this message, you can still print. The toner cartridge is near the end of its life.	Order a new toner cartridge before the LCD displays Replace Toner.
Supplies WT Box End	The waste toner box is at the end of its life.	Replace the waste toner box. See Related Information: Replace the Waste Toner Box.
Supplies WT Box End Soon	The waste toner box is almost full.	Order a new waste toner box before the LCD displays Replace WT Box.
Toner Error	One or more toner cartridges are not installed or not installed correctly.	Pull out the drum unit. Remove all the toner cartridges, and then put them back into the drum unit.
Too Many Trays	The number of installed Optional Trays exceeds the maximum number.	Reduce the number of Optional Trays.
Tray 2 Error Tray 3 Error	The optional lower tray is not installed correctly.	Reinstall the lower tray.
Unusable Device	An unsupported USB device has been connected to the USB host connector.	Unplug the device from the USB host connector. Unplug the device from the USB direct interface. Press and hold to turn the machine off, and then turn it on again.
Unusable Device	A defective USB device or a high power consumption USB device has been connected to the USB direct interface.
USB flash drive not detected	A USB flash drive was not connected to the USB port (Rear).	Connect a USB flash drive to the USB port (Rear).
Wrong Belt	The belt unit is not correct for your machine.	Remove the belt unit, and put a belt unit with the correct supply model name.
Wrong Drum	The drum unit is not correct for your machine.	Remove the drum unit, and put a drum unit with the correct supply model name.
Wrong Toner Cartridge	The toner cartridge for the colour indicated on the LCD is not the correct toner cartridge for your machine.	Remove the toner cartridge for the colour indicated on the LCD from the drum unit, and put a toner cartridge with the correct supply model name.

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