Error 0x00000BC6: Windows has blocked this printer driver as harmful
0x00000BC6 is ERROR_PRINTER_DRIVER_BLOCKED: the driver is known to harm the system. Replace it with a current signed package or the in-box class driver.
Office Cannot Print: Spooler Errors 0x000006ba and 0x00000bc4 With No Printers Found
Error 0x000006ba means the print spooler stopped responding, so Office finds no printers. Clear the spool folder, restart services and reinstall drivers.