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Error Messages for the Brother MFC 7420, 7820N and DCP 7010, 7020

List of Error Messages for the Brother MFC 7420, 7820N and DCP 7010, 7020

Some of the error messages on these machines are pretty easy and straight forward to understand other like the fuser unit is too hot might leave some people scratching their heads on what to do next. In this article I’d like to give you a list of the most common error messages and a few tips you can try to resolve the problem.

ERROR MESSAGE
CAUSE
ACTION

Back Cover Open
The back cover is not completely closed.
Close the back cover of the MFC

Change Drum Soon
The drum unit is near the end of its life.
Use the drum unit until you have a print quality problem; then replace the drum unit with a new one.

Comm. Error
Poor phone line quality caused a communication error.
Try tht fax again, if it fails try another phone cable, then call the phone company to check the line

Connection Fail
You tried to poll a fax machine that is not in Polled Waiting mode.
Check the other fax machine’s polling setup.

Cooling Down Wait For a While
The temperature of the drum unit
or toner cartridge is too hot. The  MFC will pause its current print job and go into cooling down mode. During the cooling down mode, you will hear the cooling fan running while the display on the MFC shows Cooling Down, and Wait For a While.
You must wait 20 minutes for it to cool.

Cover is Open
The front cover is not completely closed.
Close the front cover of the MFC.

Document Jam
The document was not inserted or fed properly, or the document scanned from ADF was longer than 35.4 inches (90 cm).
Remove the document in the ADF.

Data Remaining
Print data is left in the MFC’s memory
Print data is left in the MFC’s  memory. The USB cable was unplugged while the computer was sending the data to the MFC.
Re-start printing from your computer.Press Job Cancel.. The MFC will cancel the job and clear it from the memory.

Disconnected
The other person or other person’s fax machine stopped the call.
Try to send or receive again.

Dust on Drum
The drum unit needs to be cleaned.
Clean the corona wire.
Clean the electrodes of the main body and drum unit.

DR Mode in Use
The MFC is set to Distinctive Ring mode. You can not change
the Receive Mode from Manual to another mode.
Set Distinctive Ring to Off.

Unit is too Hot
The fuser unit is too hot.
(For MFC-7420)
When you turn off the MFC’s power switch its memory will be cleared. If there are faxes, you need to save them before following the suggestions below. Then, turn off the MFC’s power switch. Check the MFC’s environment. If it is in a location that is too hot or too cold, try to cool or warm the room by turning on the air conditioner or heater. Or, move the MFC to another location. Then, turn on the MFC’s power switch.
(For MFC-7820N)
Turn off the MFC’s power switch, and check the MFC’s environment. If it is in a location that is too hot or too cold, try to cool or warm the room by turning on the air conditioner or heater. Or, change the location. Then, turn on the MFC’s power switch. (The MFC can be turn off for up to 4 days without losing faxes stored in the memory.)

Fail to Warm up
The inside of the machine is too hot.
(For MFC-7420)
When you turn off the MFC’s power switch its memory will be cleared. If there are faxes, you need to save them before following the suggestions below. Then, turn off the MFC’s power switch. Check the MFC’s environment. If it is in a location that is too hot or too cold, try to cool or warm the room by turning on the air conditioner or heater. Or, move theMFC to another location. Then, turn on the MFC’s power switch.
(For MFC-7820N)
Turn off the MFC’s power switch, and check the MFC’s environment. If it is in a location that is too hot or too cold,try to cool or warm the room by turning on the air conditioner or heater. Or, change the location. Then, turn on the MFC’s power switch.(The MFC can be turn off for up to 4 days without losing faxes stored in the memory.)

Machine too Hot
The inside of the machine is too hot.
Make sure that the fan in the MFC is spinning and the exhaust outlet is not blocked by something. If the fan is spinning, remove some obstacles around the exhaust outlet, and then leave the MFC turned on but do not use it for several minutes. If the fan is not spinning, you need to save the faxes before you follow the suggestions below. Then, turn off the MFC and then on again.

No Cartridge
The toner cartridge is not installed properly.
Reinstall the toner cartridge

No Paper Fed
The MFC is out of paper or paper is not properly loaded in the paper tray.
The paper is jammed in the MFC.
Refill the paper in the paper tray. —OR— Remove the paper and load it again.
Remove the jammed paper.

No Response/Busy
The number you dialed does not answer or is busy.
Verify the number and try again.

Not Registered
You tried to access a One-Touch or Speed Dial number that is not programmed.
Set up the One-Touch or Speed Dial number.

Out of Memory
The MFC’s memory is full.
(Fax sending or copy operation in progress) Press Start to send or copy the scanned pages. —OR— Press Stop/Exit and wait until the other operations in progress have finished and then try again. —OR— Clear the faxes from the memory. (Printing operation in process) Reduce print resolution.—OR— Clear the faxes from the memory.

Paper Jam Inside
The paper is jammed inside the MFC.
Remove the jammed paper

Paper Jam Rear
The paper is jammed in the back of the MFC.
Remove the jammed paper

Paper Jam Tray
The paper is jammed in the paper tray of MFC.
Remove the jammed paper.

Scanner Locked
The scanner glass’s sensor does ot move to the home position.
(For MFC-7420)
Check whether the MFC has faxes in its memory. If there are faxes save them. Then, turn off the MFC and then on again.
(For MFC-7820N)
Turn off the MFC and then on again.

Toner Life End
The toner cartridge and drum unit assembly may have been installed improperly.
The toner cartridge is used up and printing is not possible
Re-install the toner cartridge and drum
unit assembly Replace the toner cartridge with a new one.

Toner Low
If the LCD shows Toner Low, you can still print, however, the MFC is telling you that toner is near end of its life and will soon run out
Order a new toner cartridge now.

Unable to Init.
(Initialize)
Unable to Print
Unable to Scan
The MFC has a mechanical problem. —OR— A foreign object, such as a clip or ripped paper, is in the MFC.
(For MFC-7420)
Check whether the MFC has faxes in its memory. If there are faxes save them. Turn off the MFC’s power switch, and then on again. If the error message continues, leave the MFC for several minutes and try it again. (For MFC-7820N)
Turn off the MFC’s power switch, and then on again. If the error message continues, leave the MFC for several minutes and try it again.

Wrong Paper Size
Paper is not the correct size.
Load the correct size of paper (Letter, Legal or A4) and then press Start.

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