While convenient, Method 2 often installs a generic driver that allows printing but disables the Scan functions. If you need the scanning feature, you must use Method 1 to get the full Sharp AL-2040 driver download package including the Scanner Utility.
The Sharp AL-2040 is a USB-centric device. Ensure you have a functioning USB 2.0 cable. Do not connect the USB cable to your computer the driver installation software prompts you to do so. Premature connection is one of the most common causes of installation failure. sharp al-2040 driver download