Users Manual - English
Page 13
... 13 Software and Network features 78 How to...MFC-7840W only 88 International ENERGY STAR® Compliance Statement 89 Laser safety 89 FDA regulations 89 Important safety instructions 90 Trademarks...92 B Troubleshooting and routine maintenance 93 Troubleshooting 93 If you are having difficulty with your machine 93 Improving the print quality 100 Setting dial tone detection 105 Telephone line interference 106 Error... corona wire 122 Cleaning the drum unit 123 Replacing the consumable items 126 Replacing a toner cartridge 126 Replacing the drum unit 130 Machine information 132...
... 13 Software and Network features 78 How to...MFC-7840W only 88 International ENERGY STAR® Compliance Statement 89 Laser safety 89 FDA regulations 89 Important safety instructions 90 Trademarks...92 B Troubleshooting and routine maintenance 93 Troubleshooting 93 If you are having difficulty with your machine 93 Improving the print quality 100 Setting dial tone detection 105 Telephone line interference 106 Error... corona wire 122 Cleaning the drum unit 123 Replacing the consumable items 126 Replacing a toner cartridge 126 Replacing the drum unit 130 Machine information 132...
Users Manual - English
Page 109
... wire on a single, shared line with custom features. This condition is related to the telephone system industry and is showing an error message. (See Error and maintenance messages on Fax mode. Suggestions If the Fax key is not illuminated, press it may create a problem sending or receiving...switch is turned on. Check that the toner cartridge and drum unit are available only when the machine is sending or receiving a fax, the signal can temporarily interrupt or disrupt the faxes. Right-click Brother MFC-XXXX Printer. Make sure that machine is crucial to access the ...
... wire on a single, shared line with custom features. This condition is related to the telephone system industry and is showing an error message. (See Error and maintenance messages on Fax mode. Suggestions If the Fax key is not illuminated, press it may create a problem sending or receiving...switch is turned on. Check that the toner cartridge and drum unit are available only when the machine is sending or receiving a fax, the signal can temporarily interrupt or disrupt the faxes. Right-click Brother MFC-XXXX Printer. Make sure that machine is crucial to access the ...
Users Manual - English
Page 122
... Cooling Down Wait for a while Cover is Open Cover is Open Cover is Open Disconnected Document Jam DR Mode in Use Drum Error Cause Action The temperature of the drum unit or toner cartridge is not closed completely. The fuser cover is too hot. The other person or other Try to another mode...the machine spinning and that you will pause its life. Set Distinctive Ring to Off. (See Turning off for several minutes and then reconnect it. (MFC-7840W only) Disconnect the machine from the ADF was jammed in the back of the machine when you will not lose any obstacles that surround the...
... Cooling Down Wait for a while Cover is Open Cover is Open Cover is Open Disconnected Document Jam DR Mode in Use Drum Error Cause Action The temperature of the drum unit or toner cartridge is not closed completely. The fuser cover is too hot. The other person or other Try to another mode...the machine spinning and that you will pause its life. Set Distinctive Ring to Off. (See Turning off for several minutes and then reconnect it. (MFC-7840W only) Disconnect the machine from the ADF was jammed in the back of the machine when you will not lose any obstacles that surround the...
Users Manual - English
Page 125
..., then reconnect it . Then, disconnect the machine from the power for several minutes and then reconnect it. (MFC-7840W only) Disconnect the machine from the power source for approximately 4 days without losing faxes stored in the memory. Troubleshooting and routine maintenance... Error Message Scan Unable XX Toner Life End Toner Low Cause Action The machine has a mechanical problem. Do one of the following : Re-install the toner cartridge and drum unit assembly. Replace the toner cartridge ...
..., then reconnect it . Then, disconnect the machine from the power for several minutes and then reconnect it. (MFC-7840W only) Disconnect the machine from the power source for approximately 4 days without losing faxes stored in the memory. Troubleshooting and routine maintenance... Error Message Scan Unable XX Toner Life End Toner Low Cause Action The machine has a mechanical problem. Do one of the following : Re-install the toner cartridge and drum unit assembly. Replace the toner cartridge ...