Question about Brother MFC-8440 All-In-One Laser Printer

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Error mesage After it warms up the display shows please open cover and when I open the cover it displays please close cover

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No solution, but I have the same problem. THe printer starts up fine, I hear no grinding noises or other "funny" nioses, and then displays no error message... UNTIL I ask it to print. Then I get a message that says, "Pls (please) Open Cover".

I open the cover and it says "Please Close Cover".

I close the cover and it says, "Please Open Cover"

and this happens forever!

Does anyone have any ideas? Can anyone help me?

Stefan

Posted on Nov 01, 2011

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I totally wonder to our printer coz when i got to open it, an error message is appearing...Doc Cover Open. Please tell me what to do.

Posted on May 04, 2008

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Posted on Jan 02, 2017

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1 Answer

I replaced the toner and drum and I still have the error mesage


You may not have reset the drum counter. If multi-function machine open front hatch , press clear or options button. Display should read "change drum?" then press number 1 on keypanel. Display should read "accepted" then close hatch. If the machine is printer only locate the "go" button on the front left on top of the printer. Open the front hatch and locate the stud under where the "go" button was. Press and hold the stud until all the lights are illuminated. Relase the stud and close the hatch.

Oct 16, 2014 | Brother MFC Office Equipment & Supplies

1 Answer

My printer says drum troubleshooting contact guide manual and maintence I did eveything but still not working


Hi there,
If the display shows drum error you can try cleaning it by following the steps below:
1. Open the front cover. 2. Pull the drum (black) and toner (gray) towards you, put a little force on it. 3. Remove the toner by holding down the tab on the side of the drum, then pull the toner out. 4. Use a dry lint-free cloth to clean the roller inside the drum unit. Make sure to remove any excess toner from it. 5. Put the toner back to the drum, make sure that it clicks, Reinstall the drum and toner back to the machine, 6. Close the cover.

If the display still shows drum error, go ahead and do the drum reset.

1. Open the front cover 2. Press the Options button on the control panel 3. The display should show "Replace Drum - 1. Yes 2. No 4. Press 1 to reset the drum count 5. Close front cover. The display should show the date & time
If still it shows drum error, The drum unit needs to be replace. After replacing the drum unit, do the drum reset again,
Hope this helps.

May 08, 2011 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

Back cover open message although cover is closed


Open the top and back covers. If you see any jammed paper or
other item, gently pull it out, then close the covers. If the error message
remains, open and close the covers again. If the FAX/MFC cannot reset
itself and return to the date and time prompt, it will display MACHINE
ERROR XX. Please call Brother Customer Service
and tell them the Machine Error number at:
In USA:
1-800-284-4329
In Canada:
1-800-853-6660
In Montreal:
1-514-685-6464

Jan 15, 2011 | Brother IntelliFax-2820 Laser Fax

1 Answer

I change the drum for my fax machine, but it still says Toner Life End... and it is a bran new cartridge?? I tried turning it off and on, and unplugging it... but it still says Toner Life End... how do i...


1. With unit powered On, open the front cover.


2. Press the "Options" key. Display will show "Replace Drum?"


3. Press "Start" key.


4. Press 1,0 .


5. Display will show "Accepted" for approximately 2 seconds. Then display will change to "Cover Open".


6. Close cover and see if Toner Life End error message has gone.

Good Luck and Thank You for using Fixya.

Jan 08, 2011 | Brother IntelliFax-2820 Laser Fax

1 Answer

Installed new cartridge and comming up machine won't regognise it saying tonner life end install new cartridge


To reset the sensor after installing a new toner cartridge follow these steps. 1. With unit powered On, open the front cover. 2. Press the “Options” key. Display will show “Replace Drum?” 3. Press “Start” key. 4. Press 1,0 . 5. Display will show “Accepted” for approximately 2 seconds. Then display will change to “Cover Open”. 6. Close cover and see if Toner Life End error message has gone.
Try this. We are Brother authorized.

Apr 15, 2010 | Brother MFC-7420 Laser Printer

1 Answer

I changed the ink in my Lexmark 3400 printer and I keep getting an error message "cover open" and it's not open. I tried everything....unloading the software then reloading the software, shutting it off...


The printer displays a 'Cover open, please close cover' error message, even though the cover is closed.

This can happen if the lever on the cover open sensor is knocked off the switch assembly.

Nov 30, 2009 | Office Equipment & Supplies

1 Answer

Had toner life end message. Replaced toner and drum with oem,machine reset but now just making blank copies. Tried to print internal report that's blank too


To reset the sensor after installing a new toner cartridge follow these steps.
1. With unit powered On, open the front cover.
2. Press the "Options" key. Display will show "Replace Drum?"
3. Press "Start" key.
4. Press 1,0 .
5. Display will show "Accepted" for approximately 2 seconds. Then display will change to "Cover Open".
6. Close cover and see if Toner Life End error message has gone.
Please note that this must be done with a new cartridge so the unit will see that there is toner in the cartridge.

Aug 01, 2009 | Brother IntelliFax-2820 Laser Fax

1 Answer

Toner life end warning light. replaced with new toner/drum still error


To reset the sensor after installing a new toner cartridge follow these steps.
1. With unit powered on open the front cover.
2. Press the "Options" key. Display will show "Replace Drum?"
3. Press "Start" key.
4. Press "+" key 10 times until the display reads 10.
5. Press "SET" key.
6. Display will show "Accepted" for approximately 2 seconds. Then display will change to "Cover Open".
7. Close cover and see if Toner Life End error message has gone.

Jul 28, 2009 | Brother DCP-7020 Black and White Copier

3 Answers

Replaced Drum still says "Replace Drum Soon". How do I reset on a Brother 7420?


Reinstall the new drum unit, keeping the front cover open. Press OPTIONS. Press 1 when the display shows REPLACE DRUM? 1.YES 2.NO ACCEPTED. Close the front cover.

May 28, 2009 | Brother MFC 7420 All-In-One Laser Printer

7 Answers

How do I reset the Change Drum Soon on the display?


All you should have to do is: -replace the old drum with the new replacement. -with the front door open press the Clear/Back button -press the number 1 button and when ?accepted? appears on the LCD close the front cover. That should do it. Let us know if you have any other questions and please don?t forget to rate this post.

Feb 28, 2007 | Brother MFC-8440 All-In-One Laser Printer

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