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I have a Brother mfc-5840cn. I'm getting Machine Error 7E and a clicking sound coming from the copier

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No head parameters stored in eeprom.

If you didn't chosse the maintenance mode and delete some parameters accidenticaly the main board is 
defective and needs replacement (very expensive spare part)
If you are european citizen call brother hotline for warranty(3 years)!

Posted on Apr 21, 2008

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Posted on Jan 02, 2017

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My Brother MFC-5840CN.Is showing Unable to clean


Mechanical problem with the machine.
The purge unit needs to be replaced.
Check www.brother.ca and you can find a service center.

The repair is at least 50$, may not be worth repairing.
I recommend looking for another inkjet on sale and just replace this one

Mar 24, 2010 | Brother MFC-5840CN All-In-One InkJet...

3 Answers

How to install LAN Brother MFC-5840CN on Windows 7 when original CD only has XP driver. Windows Update list specifies MFC-5840CN USB, but machine has option for LAN - is the driver the right one?


You cannot use the full driver and software package now. BUT:
Printing is possible, scanning and FAX is not possible at the moment. You download the Vista driver (x32 or x64) from the official Brother site and install it with the Printer Wizard in Windows 7.

Oct 28, 2009 | Brother MFC-5840CN All-In-One InkJet...

1 Answer

I am getting an error that reads: Machine Error 7E


It means there are no correction values for the printhead stored in EEPROM. You will have to take it to a Brother repair facility and they will have to enter the code and if that doesn't work then it is probably a failure in the main board.

Oct 09, 2009 | Brother MFC-5840CN All-In-One InkJet...

1 Answer

Get paper jam error on Brother MFC 5840CN


are you using brother oem ink? generic ink gives lots of problems

Dec 09, 2008 | Brother MFC-5840CN All-In-One InkJet...

1 Answer

Unable to clean error


purge station defective. if you have the machine for 5 month give ti back to dealer . its in warranty!

Apr 27, 2008 | Brother MFC-5840CN All-In-One InkJet...

1 Answer

DOWNLOADING


click here:
http://welcome.solutions.brother.com/bsc/Public_s/index.html

choose your country, your mfc and download the whole mfl-pro suite ;-)

(If you need a manual, you can get it there, too)

Jan 25, 2008 | Brother MFC-5840CN All-In-One InkJet...

1 Answer

Print function stopped working. Brother MFC 5840CN


First things first:

press menu then start bk-copy then fourtimes arrow-up button. machine will display an error code no. plz post AS A NEW POST again.

BTW: The update has nothing to do with the stopping of the machine!

Jan 10, 2008 | Brother MFC-5840CN All-In-One InkJet...

1 Answer

Brother MFC-5840CN keeps restarting on its own; cannot set up.


sure, same issue:
http://www.fixya.com/support/t254459-will_not_print_shows_power

This could also be happen when a lighting strike has caused a short ciruict.  The solution is the same as mentioned in the link above.

Nov 14, 2007 | Brother MFC-5840CN All-In-One InkJet...

1 Answer

Brother mfc-5840cn


press menu then start mono then 4 times arrow-up (Tel index). machine will be in maintenance mode. press 8 then 0 (zero) then press the start mono button until display shows error A1: xy. Press the right arrow (Speaker +) button. What error codes do you see? (Machine saves the last ten errors). plz post here again.
To leave the maintenance mode press 9 then 9.

Nov 02, 2007 | Brother MFC-5840CN All-In-One InkJet...

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