What does error code 20 mean, when faxing? - Brother MFC 7840W Printer
Dec 06, 2011
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Product Troubleshooting for MFC 7840W Printer
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First...do you have or previously other printers on your system or network.You need to make sure that the system recognizes this printer as the default printer.If it was me...I would reinstall all of the software to eliminate any issues and make to make this your default printer....If you are running windows Xp..once you reinstall the software....go to the start button....the my computer...control panel....printers and faxes..this should show all printers in the system...if your printer has a check mark beside it...this the default..if if is not checked...right click on the printer and make it the default.You should not get the error message again...I hope this was helpful.....