Brother 4420c gives error ''pls close cover'' as soon as power is

Look at the front door that you open when you change the toner/drum. You will see that it has not closed properly at one end. Give it a gentle whack and the error should go. Very common problem as the catches can be stiff.

Sir/Madam

I suggest You Perform Below mention steps To Fix Your brother Printer Issue,

Step1: To clear the message follow the steps listed below:

1. Check for foreign objects, such as a paper clip or scrap of paper, inside the machine.
   Unplug the machine from the power outlet and open the scanner cover by pulling up on the lower right corner of the cover. Look inside the machine and remove any foreign objects. If you see jammed paper or another item inside this area, gently pull it out and then close the scanner cover securely.

2.If the error continues to appear, the machine may have a mechanical problem.

If the error message continues to appear, the machine will need to be reset. Resetting the machine will erase all faxes in memory and the Fax Journal Report. Please make sure you have followed the instructions in the Step1.

3.If the error still continues to appear, move the print head and examine under the print head.

NOTE: The images shown below are from the representative product and may differ from your Brother machine,but their inner structures are same.

3-1.Disconnect the Brother machine from the poweroutlet.
3-2.Open the scanner cover.


3-3.Check the print head's position.
In the example photo the print head is positioned at the left hand side of the platen area.



If the print head is on the left side, go to step 3-4.
If the print head is on the right side, go to step 3-7.
If you can not find the print head, go to step 3-8.
3-4.Gently move the print head to the center.




3-5.Examine under the print head. If anything is found, remove it.

Use a flashlight if necessary to check thoroughly.
3-6.Close the cover and reconnect the machine to the power outlet.
If the message continues to appear on the LCD, the machine will require repair.
Please contact Brother Customer Service from "Contact Us".
3-7.If the print head is on the right side.
The print head is positioned at the far right hand side, you cannot move it. The machine has a mechanical malfunction and will require repair.
Please contact Brother Customer Service from "Contact Us".
3-8.If you can not find the print head.
The machine has a mechanical malfunction and will require repair.
Please contact Brother Customer Service from "Contact Us".
Step2: Check if the machine has faxes in its memory
Note
In order to transfer data from your fax machine to another, you must have the station ID programmed in your fax machine.
1.Transfer the Fax Journal Report
Press Menu/Set or Menu on the Control Panel of the machine.
Press the up or down navigation key until Service appears on the LCD. Then press Menu/Set or Menu.
Press the up or down navigation key until Data Transfer appears on the LCD. Then press Menu/Set or Menu.
Press the up or down navigation key until Report Trans appears on the LCD. Then press Menu/Set or Menu.
The LCD will prompt you to enter a fax number. Enter the number of the fax that you want to receive and print the report. Press Black(Mono) Start.
2.Verify and Transfer faxes in memory
Press Menu/Set or Menu on the Control Panel of the machine.
Press the up or down navigation key until Service appears on the LCD. Then press Menu/Set or Menu.
Press the up or down navigation key until Data Transfer appears on the LCD. Then press Menu/Set or Menu.
Press the up or down navigation key until Fax Transfer appears on the LCD. Then press Menu/Set or Menu.
If there are no faxes saved in memory, NO DATA will appear on the LCD. Continue to Step 3. If faxes are present, the LCD will prompt you to enter a fax number. Enter the number of the fax that you want to receive and print the faxes. Press Black(Mono) Start .
3.Reset the machine
After the Fax Journal Report and faxes in memory have been transferred to another fax machine, disconnect the Brother machine from the power source for several minutes and then reconnect it.

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How do clear the message Unable to Unable to Chang Brother

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https://help.brother-usa.com/app/answers/detail/a_id/145079/~/unable-to-print-6f


https://help.brother-usa.com/app/answers/detail/a_id/145079/~/unable-to-print-6f


"Unable to Print 6F"
The message "Unable to Print 6F" will appear on the display for one of the following reasons:
i. A foreign object, such as a paper clip or ripped piece of paper, is stuck in the machine;
ii. Mechanical malfunction.
To attempt to clear the error, continue to step 1.
1. Using both hands, use the finger holds on each side of the machine to life the scanner cover into the open position.
- Do you see the scanner cover support arm located on the left side of the machine?
- If yes, go to step 2.
- If no, verify you have opened the scanner cover (as in the image above). If the document cover was opened, you won't see the scanner cover support arm. Close the document cover and go back to step 1 to open the scanner cover.
2. Carefully check the left (2) and right (3) hand corners and the center inside the machine and remove any paper scraps that may be jammed.
3. Using your hand, move the print head from left to right, checking carefully for any paper scraps stuck under the print head. Remove any if found.
If the print head is in the right-hand corner, press and hold down the for at least 5 seconds until the print head moves to the middle. This will allow you to check the right corner inside the machine for any paper scraps.
4. Leave the scanner cover open and turn the machine around so you are looking at the back of the machine.
5. Open the Jam Clear Cover (1) on the back of the machine.

6. Check inside for any foreign objects or jammed paper. Remove it found.
7. Close the Jam Clear Cover, then turn the machine back around to the front.
8. Lift the flat-bed scanner cover to release the lock (1), then gently push the scanner cover support down (2) and close the scanner cover (3) using both hands.
- If "Unable to Print 6F" still on the display, go to step 10.
- If "Unable to Print 6F" has cleared, go to step 11.
10. Unplug the machine from the power outlet for approximately one-minute, then plug it back in.
- If "Unable to Print 6F" still on the display, go to step 12.
- If "Unable to Print 6F" has cleared, go to step 11.
11. Print a Print Quality Check Sheet (PQCS).
a. Press on the Touchscreen.
b. Press Test Print.
c. Press Print Quality.
d. Press OK. A PQCS will print.
- If the PQCS print successfully, your machine is working properly. The issue has been resolved.
- If the PQCS doesn't print because "Unable to Print 6F" reappears and you have not cycled the power, go back to step 10.
- If the PQCS doesn't print because "Unable to Print 6F" reappears and you have cycled the power, continue to step 12.
12. Your machine will require service. Any faxes received while the error message is on the display will automatically go into the machine's memory due to the product's inability to print. If there are faxes in memory, you can transfer them to another fax machine so they are not lost.
- If you don't want to transfer faxes, go to Warranty and Service Options.
- If you want to confirm and transfer received faxes in memory, go to step 13.
13. Transferring stored faxes to another machine.
To transfer data from your fax machine to another fax machine, you must have already programmed the Station ID in your machine prior to getting the "Unable to Print 6F" error message. If you did not already have your Station ID programmed into the machine before getting the error, you will not be able to transfer faxes in memory. Continue to Warranty and Service Options.
a. Press to temporarily interrupt the error message.
b. Press on the Touchscreen.
c. Press All Settings.
d. Press ? or ? to display Service. Press Service.
e. Press Data Transfer.
f. Press Fax Transfer.
- If "No Data" appears there are no faxes in memory to transfer. Press , then continue to Warranty and Service Options.
- If there are faxes in memory, the display will prompt to enter a fax number. Enter the fax number including the 1 plus the area code, then go to step g.
Warranty and Service Options.
Warranty and Service Options:
Your machine has a two-year limited exchange warranty. You may use the link below to find a Brother-authorized service center in your area. You may also contact Customer Service for additional warranty options.
Locate a Brother Authorized Service Center:
https://www.brother-usa.com/service/

Contact Brother Customer Support:
https://www.brother-usa.com/askus/ Click here to display all models covered by this answer.

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"How do I clear the message Unable to..." ( "Unable to Change" "Unable to Clean" "Unable to Init" "Unable to Print" "Unable to Scan" )?

Step1: To clear the message follow the steps listed below:
1. Check for foreign objects, such as a paper clip or scrap of paper, inside the machine.Unplug the machine from the power outlet and open the scanner cover by pulling up on the lower right corner of the cover. Look inside the machine and remove any foreign objects. If you see jammed paper or another item inside this area, gently pull it out and then close the scanner cover securely.
2.If the error continues to appear, the machine may have a mechanical problem.If the error message continues to appear, the machine will need to be reset. Resetting the machine will erase all faxes in memory and the Fax Journal Report. Please make sure you have followed the instructions in the Step1.
3.If the error still continues to appear, move the print head and examine under the print head.
3-1.Disconnect the Brother machine from the poweroutlet.
3-2.Open the scanner cover by pulling up on the lower right corner of the cover.
3-3.Check the print head's position.
3-4.Gently move the print head to the center.
3-5.Examine under the print head. If anything is found, remove it.Use a flashlight if necessary to check thoroughly.
3-6.Close the cover and reconnect the machine to the power outlet.
If the message continues to appear on the LCD, the machine will require repair.

Step2: Check if the machine has faxes in its memory
1.Transfer the Fax Journal Report
1.Press Menu/Set or Menu on the Control Panel of the machine.
2.Press the up or down navigation key until Service appears on the LCD. Then press Menu/Set or Menu.
3.Press the up or down navigation key until Data Transfer appears on the LCD. Then press Menu/Set or Menu.
4.Press the up or down navigation key until Report Trans appears on the LCD. Then press Menu/Set or Menu.
5.The LCD will prompt you to enter a fax number. Enter the number of the fax that you want to receive and print the report. Press Black(Mono) Start.
2.Verify and Transfer faxes in memory

1.Press Menu/Set or Menu on the Control Panel of the machine.
2.Press the up or down navigation key until Service appears on the LCD. Then press Menu/Set or Menu.
3.Press the up or down navigation key until Data Transfer appears on the LCD. Then press Menu/Set or Menu.
4.Press the up or down navigation key until Fax Transfer appears on the LCD. Then press Menu/Set or Menu.
5.If there are no faxes saved in memory, NO DATA will appear on the LCD. Continue to Step 3. If faxes are present, the LCD will prompt you to enter a fax number. Enter the number of the fax that you want to receive and print the faxes. Press Black(Mono) Start .
3.Reset the machine
After the Fax Journal Report and faxes in memory have been transferred to another fax machine, disconnect the Brother machine from the power source for several minutes and then reconnect it.

MAYBE LASERUNIT PRBLM

you need to open the front cover (where drum and toner is installed) and press the options button, it will ask replace drum? Press 1 for yes and close the front cover.

They will do this if the document feeder cover is not closed good. Make sure it is pushed all the way down.

gof **** yourself, where the hell do you show your suppoused solution !!! ???? !!!!

not sure if solved here is the manual

http://www.retrevo.com/support/Brother-FAX-4100-Fax-Machines-manual/id/386bh847/t/2/

Pls open cover = Please open cover. Probaly has a jam - Open the cover remove the drum/toner unit and check for jammed piece of paper under of in the drum unit.