Error and Maintenance Messages

Home > Troubleshooting > Error and Maintenance Messages

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.

HL-L5210DN/HL-L5210DW/HL-L6210DW

HL-L6410DN/HL-L6415DW

HL-L5210DN/HL-L5210DW/HL-L6210DW

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.
2-sided Disabled	The 2-sided tray is not installed completely.	Install the 2-sided tray firmly in the machine.
Access Denied	The function you want to use is restricted by Secure Function Lock 3.0.	Call your administrator to check your Secure Function Lock Settings.
Cannot Detect	Your machine cannot detect the toner cartridge.	Remove the toner cartridge and drum unit assembly. Remove the toner cartridge from the drum unit, and reinstall the toner cartridge back in the drum unit. Reinstall the toner cartridge and drum unit assembly back in the machine. See Related Information: Replace the Toner Cartridge.
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.
Change T1 Paper?	The standard paper tray is not installed or not installed correctly.	Reinstall the standard paper tray.
Cooling Down	The temperature of the inside of the machine is too hot. 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, the machine 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 inside the back cover of the machine.
Drum !	The corona wire on the drum unit must be cleaned.	Clean the corona wire on the drum unit. See Related Information: Clean the Corona Wire. If the problem continues, replace the drum unit with a new one.
Drum !	The drum unit or the toner cartridge and drum unit assembly is not installed correctly.	Remove the drum unit, remove the toner cartridge from the drum unit, and put the toner cartridge back into the drum unit. Reinstall the drum unit in the machine.
Drum End Soon	The drum unit is near the end of its life.	Order a new drum unit before the LCD displays Replace Drum.
Jam 2-sided	The paper is jammed in the 2-sided tray or inside the back cover.	Remove the 2-sided tray and open the back cover to pull out all jammed paper.
Jam Inside	The paper is jammed inside the machine.	Open the front cover, remove the toner cartridge and drum unit assembly, and pull out all jammed paper. Close the front cover.
Jam MP Tray	The paper is jammed in the MP tray.	Remove all jammed paper from in and around the MP tray. Press Go.
Jam Rear	The paper is jammed in the back of the machine.	Open the fuser cover and remove all jammed paper. Close the fuser cover. If the error message remains, press Go.
Jam Tray 1 Jam Tray 2 Jam Tray 3 Jam Tray 4	The paper is jammed in the indicated paper tray.	Pull out the paper tray indicated on the LCD and remove all jammed paper.
Limit Exceeded	The print limit set in Secure Function Lock 3.0 was reached.	Contact your administrator to check your Secure Function Lock Settings.
Media 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 Drum Unit	The drum unit is not installed correctly.	Reinstall the toner cartridge and drum unit assembly. See Related Information: Replace the Drum Unit.
No Paper Fed T1 No Paper Fed T2 No Paper Fed T3 No Paper Fed T4	The machine cannot feed paper from the indicated paper tray.	Pull out the paper tray indicated on the LCD and remove all jammed paper. Press Go.
No Paper MP	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 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 trays.	Refill paper in the paper trays. 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 T1 No Paper T2 No Paper T3 No Paper T4	The machine cannot 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 or the toner cartridge and drum unit assembly is not installed correctly.	Remove the toner cartridge and drum unit assembly. Remove the toner cartridge from the drum unit, and reinstall the toner cartridge back in the drum unit. Reinstall the toner cartridge and drum unit assembly back in the machine. If the problem continues, replace the toner cartridge with a new one. See Related Information: Replace the Toner Cartridge.
No Tray T1 No Tray T2 No Tray T3 No Tray T4	The paper tray is not installed or not installed correctly.	Reinstall the paper tray indicated on the LCD.
Out of Memory	The machine’s memory is full.	Press and hold Go for about two seconds and reduce the print resolution.
Output Tray Full	The output paper tray is full.	Remove the printed paper from the Face-down output tray.
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 Cancel and delete the previously stored print data.
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.
Replace Toner	The toner cartridge is at the end of its life. The machine stops all print operations.	Replace the toner cartridge with a new one. See Related Information: Replace the Toner Cartridge.
Self-Diagnostic	The fuser unit does not work correctly.	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.
Size Error DX	The paper size specified in the machine's paper size setting is not suitable for automatic 2-sided printing.	Press and hold Go for about two seconds (if required). Load the correct size of paper in the tray and set the tray for that paper size. Choose a paper size suitable for 2-sided printing. (For models without the lever on the 2-sided tray) The paper size suitable for automatic 2-sided printing is A4. (For models with the lever on the 2-sided tray) The paper sizes suitable for automatic 2-sided printing are A4, Letter, Legal, Mexico Legal, India Legal and Folio.
Size Error DX	The paper in the tray is not the correct size and is not suitable for automatic 2-sided printing.
Size Error	The paper tray you selected does not support the paper size specified in the printer driver.	Change the printer driver setting or machine's tray setting so that the paper size selected in the printer driver matches the paper size loaded in the tray you selected.
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 Go.
Storage Full	The USB flash memory drive you are using does not have enough free space to store secure print data.	Delete the previously stored secure print data.
Toner Low	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 now so you have it ready when the LCD displays Replace Toner.
Too Many Trays	The number of installed Optional Trays exceeds the maximum number.	Reduce the number of Optional Trays.
Unusable Device	An unsupported USB device has been connected to the USB accessory port.	Unplug the device from the USB accessory port. 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 accessory port.

HL-L6410DN/HL-L6415DW

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.
2-sided Disabled	The 2-sided tray is not installed completely.	Install the 2-sided tray firmly in the machine.
Access Denied	The function you want to use is restricted by Secure Function Lock 3.0.	Call your administrator to check your Secure Function Lock Settings.
Cannot Detect	Your machine cannot detect the toner cartridge.	Remove the toner cartridge and drum unit assembly. Remove the toner cartridge from the drum unit, and reinstall the toner cartridge back in the drum unit. Reinstall the toner cartridge and drum unit assembly back in the machine.
Cannot Detect	Your machine cannot detect the drum unit.
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.
Cooling Down	The temperature of the inside of the machine is too hot. 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, the machine 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 inside the back cover of the machine.
Cover is Open	The Mailbox back cover is not completely closed.	Close the Mailbox back cover.
Drum !	The corona wire on the drum unit must be cleaned.	Clean the corona wire on the drum unit. See Related Information: Clean the Corona Wire. If the problem continues, replace the drum unit with a new one.
Drum !	The drum unit or the toner cartridge and drum unit assembly is not installed correctly.	Remove the toner cartridge and drum unit assembly. Remove the toner cartridge from the drum unit, and reinstall the toner cartridge back into the drum unit. Reinstall the toner cartridge and drum unit assembly into the machine.
Drum Error	The drum unit is not installed correctly.	Reinstall the toner cartridge and drum unit assembly. If the problem continues, replace the drum unit with a new one.
Jam 2-sided	The paper is jammed in the 2-sided tray or inside the back cover.	Remove the 2-sided tray and open the back cover to pull out all jammed paper.
Jam Inside	The paper is jammed inside the machine.	Open the front cover, remove the toner cartridge and drum unit assembly, and pull out all jammed paper. Close the front cover.
Jam Mailbox	The paper is jammed in the Mailbox unit.	Remove all jammed paper from the Mailbox 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 fuser cover and remove all jammed paper. Close the fuser cover. If the error message remains, 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.	Contact 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 unit.	To use the Mailbox unit in 2-bin mode, remove both bin 2 tray and bin 4 tray. To use the Mailbox 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 Drum	The drum unit is not installed correctly.	Reinstall the toner cartridge and drum unit assembly. See Related Information: Replace the Drum Unit.
No Drum Unit	The drum unit is not installed correctly.	Reinstall the toner cartridge and drum unit assembly. See Related Information: Replace the Drum Unit.
No HUB Support	A USB hub device is connected to the USB accessory port.	Disconnect the USB hub device from the USB accessory port.
No Paper Fed Tray1 No Paper Fed Tray2 No Paper Fed Tray3 No Paper Fed Tray4	The machine cannot feed paper from the indicated paper tray.	Pull out the paper tray indicated on the LCD and remove all jammed paper. Press Retry.
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 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 trays.	Refill paper in the paper trays. 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 cannot 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 Response	An unsupported USB device has been connected to the USB accessory port.	Unplug the device from the USB accessory port. Press and hold to turn the machine off, and then turn it on again. See Related Information: Secure Print Using a USB Flash Drive.
No Toner	The toner cartridge is not installed correctly.	Remove the toner cartridge and drum unit assembly. Remove the toner cartridge from the drum unit, and reinstall the toner cartridge back in the drum unit. 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.
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 the 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.
Replace Toner	The toner cartridge is at the end of its life.	Replace the toner cartridge with a new one. See Related Information: Replace the Toner Cartridge.
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 fuser unit does not work correctly.	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.
Size Error 2-sided	The paper size specified in the machine's paper size setting is not suitable 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 suitable for 2-sided printing. (For models without the lever on the 2-sided tray) The paper size suitable for automatic 2-sided printing is A4. (For models with the lever on the 2-sided tray) The paper sizes suitable 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 suitable for automatic 2-sided printing.
Size Error	The paper tray you selected does not support the paper size specified in the printer driver.	Change the printer driver setting or machine's tray setting so that the paper size selected in the printer driver matches the paper size loaded in the tray you selected.
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	Your machine cannot read from or write to the USB flash memory drive.	Press and hold to turn the machine off, and then turn it on again. If the problem continues, reset the Job save location. See Related Information: Secure Print Using a USB Flash Drive.
Storage Full	The USB flash memory drive you are using does not have enough free space to store print data.	Delete the previously stored print data from the USB flash memory drive.
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 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:	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 now so you have it ready when the LCD displays Replace Toner.
Too Many Trays	The number of installed Optional Trays exceeds the maximum number.	Reduce the number of Optional Trays.
Tray removed	The standard paper tray is not installed or not installed correctly.	Reinstall the standard paper tray.
Unusable Device	A defective USB device or a high power consumption USB device has been connected to the USB accessory port.	Unplug the device from the USB accessory port. Press and hold to turn the machine off, and then turn it on again.
USB flash drive not detected	Your machine cannot detect a USB flash memory drive.	Insert a USB flash memory drive to the USB accessory port.
Wrong Drum	The installed drum unit is not correct for your machine.	Remove the drum unit, and install a drum unit with the correct supply product code. See Related Information: Replace the Drum Unit.
Wrong Toner Cartridge	The installed toner cartridge is not the correct toner cartridge for your machine.	Remove the toner cartridge from the drum unit, and install a toner cartridge with the correct supply product code. See Related Information: Replace the Toner Cartridge.

Related Information

Troubleshooting