I recently purchased an MFC 420-CN on ebay, and am getting the message unable to print. There is no foreign objects in the printer, and as far as I can tell, no pending Fax. By reading about others' problems I came up with an error code 4F. Any help for me before I have to send it back?
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Unable to Print XX
The machine has a mechanical
A foreign objects such as a clip or
ripped paper is in the machine.
Open the scanner cover and remove any
foreign objects inside the machine. If the
error message continues, do one of the
?? (MFC-440CN only)
See Transferring your faxes or Fax
Journal report on page 139 before
disconnecting the machine so you will
not lose any important messages.
Then, disconnect the machine from the
power for several minutes and then
My MFC 665CW popped this same "Unable To Print 4F" error recently making the machine fully useless. Just an annoying triple beep and repeat error message to screen when trying to do anything at all with it. I wrote Brother about it. They said to check all through the machine (with a light) for any paper torn off inside, or unwanted foreign objects. This is a good step to do anyway to help maintain the printer. If that is not it, they said it would be a mechanical malfunction. I tried "resetting" by unplugging it for a while as they suggested to no avail. Also while I did find a bit of paper torn off down in my MFC 665 removing it had no effect.
Print Unable XX The machine has a mechanical problem. —OR— A foreign objects such as a clip or ripped paper is in the machine.
Open the scanner cover and remove any foreign objects inside the machine. ( You might try cleaning the scanner glass.)
If the error message continues, disconnect the machine from the power for several minutes and then reconnect it.
Check for foreign
objects, such as a clip or ripped paper, inside the machine. 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.
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
The MFC has a mechanical problem, or a foreign object, such as a clip or ripped paper, is in the MFC.
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.