In Organization, The printers are published in Printer server and push them via active Directory.  Some cases the printers may have marked as redirected 1 and doesnt let you remove them. Even though if you are trying from administrator account, will get the response “Access is Denied, Unable to remove device”

printer-redirected

Use the following steps to resolve this issue.

1.   Stop the Printer spooler service by either command or services console.

Command :  net stop spooler

2.   Open the Registry Editor and navigate to below location.

3.   Delete the entries of troubled printer.

4.   Start the printer spooler service.

Command :  net start spooler

I hope this solution help you to clear the printer.