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1. Click the "Finder" icon on your screen's dock, and click the "Macintosh HD" icon located under the Devices section in the Finder's sidebar.
2. Double-click the "Library" icon to open the folder, and double-click the "Printers" folder.
3. Locate the printer's folder you wish to delete in the window, and drag the folder to the Trash icon on the screen's dock. Alternatively, click the folder you wish to delete, click "File" at the top of the screen and select "Move to Trash" from the drop-down menu.
4. Click "Finder" at the top of the screen, and select "Empty Trash" from the drop-down menu to remove the files from your hard drive. Click "Empty Trash" on the dialog box to confirm the action. Click "Secure Empty Trash" from the drop-down list to permanently delete the files.
Reboot your mac and then follow the below steps given.
Connect a USB printer to your Mac
For most USB printers, all you have to do is connect the printer to your Mac. OS X automatically detects the printer and downloads any necessary software. For other printers, you may have to complete a few steps to add the printer.
Update your software: Choose Apple menu > App Store, click Updates, then install any software updates listed. Even if no updates appear, this ensures that OS X has the latest information about printer software it can download from Apple. If you don’t do this, you may see a message that software isn’t available when you connect your printer.
Prepare your printer: Use the instructions that came with your printer to unpack the printer, install ink or toner, and add paper. Turn on the printer and make sure it’s not displaying any errors.
Connect your printer: Connect the USB cable to your Mac. If you see a message prompting you to download new software, make sure to download and install it.
Download the full featured driver software from the link below