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 | Troubleshooting | ||
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| Error Message | Cause | Action | 
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| Scan Unable XX | The machine has a mechanical |  Turn the power switch off, and then turn it | 
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 | problem. | on again. | 
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 |  If the problem continues, call Brother | 
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 | Customer Service. | 
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 | Document is too long for | Press Stop/Exit. Use the suitable size of paper | 
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 | duplex scanning. | for duplex scanning. | 
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 | (See Print media uu page 157.) | 
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| Size Error | The paper size defined in the | Choose a paper size which is supported by the | 
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 | printer driver is not usable for | tray shown on the LCD. | 
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 | the tray you use. | (See Paper Size uu page 15.) | 
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| Size Error DX | The paper size defined in the | Press Stop/Exit. Choose a paper size which is | 
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 | printer driver and the control | supported by the duplex tray. | 
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 | panel menu is not available for | The paper size you can use for automatic | 
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 | automatic duplex printing. | 
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 | duplex printing is A4. | 
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 | The paper in the tray is not | Load the correct size of paper in the tray and | 
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 | correct size and is not usable | set the “Paper Size” (Menu, 1, 2, 2). | 
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 | for automatic duplex printing. | The paper size you can use for automatic | 
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 | duplex printing is A4. | 
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| Size mismatch | The paper in the tray is not the | Load the correct size of paper in the tray and | 
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 | correct size. | set the “Paper Size” (Menu, 1, 2, 2). | 
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 | (See Paper Size uu page 15.) | 
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| Toner Low | If the LCD shows Toner Low | Order a new toner cartridge now so a | 
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 | you can still print; however, the | replacement toner cartridge will be available | 
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 | machine is telling you that the | when the LCD shows Replace Toner. | 
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 | toner cartridge is near the end | 
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 | of its life. | 
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| Too Many Files | There are too many files stored | Reduce the number of files stored on the USB | 
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 | on the USB Flash memory | Flash memory drive. | 
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 | drive. | 
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| Unusable Device | A defective USB device or a | Unplug the device from the USB direct | 
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| Remove the | high power consumption USB | interface. Turn the machine off and then on | 
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| device has been connected to | again. | 
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| Device. Turn the | 
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| the USB direct interface. | 
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| power off and | 
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| back on again. | 
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| Unusable Device | A USB device or USB Flash | Unplug the device from the USB direct | 
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 | memory drive that is encrypted | interface. | 
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 | or not supported has been | (See the specifications for supported USB | 
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 | connected to the USB direct | 
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 | Flash memory drives in Printing data from a | 
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 | interface. | 
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