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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.
Error Message | Cause | Action |
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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. |
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Cannot Detect | Your machine cannot detect the toner cartridge for the color indicated on the LCD. | Remove the toner cartridge for the color 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. |
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Cartridge Error | The toner cartridge is not installed correctly. | Pull out the drum unit, remove the toner cartridge for the color 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. |
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. |
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 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. |
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:
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No Paper | The machine is out of paper, or paper is not loaded correctly in the paper tray. |
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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:
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No Toner | The toner cartridge for the color indicated on the LCD is not installed or not installed correctly. | Remove the toner cartridge for the color 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 |
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 |
Registration | Registration failed. |
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Replace Toner | The toner cartridge is at the end of its life. The machine stops all print operations. | Replace the toner cartridge for the color 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 initialization was completed. | Make sure nothing is touching the touchscreen. |
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 |
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 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. |
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 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 |
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 color 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.
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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 order number. |
Wrong Drum | The drum unit is not correct for your machine. | Remove the drum unit, and put a drum unit with the correct supply order number. |
Wrong Toner Cartridge | The toner cartridge for the color indicated on the LCD is not the correct toner cartridge for your machine. | Remove the toner cartridge for the color indicated on the LCD from the drum unit, and put a toner cartridge with the correct supply order number. |