Error 0x000003eb is a brother printer connectivity/installation error. There are numerous threads on the internet with work arounds and fixes, since i have not tried all of them; i will only be listing the ones that has worked for me. What’s important to note is the error number; not the error message because this message varies depending on the operating system. In General, the error states “Unable to install printer. Operation could not be completed (error 0x000003eb)” The first and most important thing is your printer driver. Make sure the drive you have is the correct for your version of the printer.There problem continues to happen even though you have deleted and removed any existing printers, and ensure that all the printer ports are deleted. However, when the printer is connected to the computer via USB cable or connect directly via IP address, the printer can be added properly and works fine. Windows error 0x00003eb is a connectivity or installation error. The error code in general appears with an error message. It displays “Unable to install printer. Operation could not be completed”. Most people might freak out seeing such errors. But you must know that there are several solution available in the internet for this error.