If you are unable to find the driver on the Toshiba website, you can try downloading it from other reputable sources, such as:
"Toshiba e-Studio 2309a Driver for Windows 10 64-bit – Exclusive Download" If you are unable to find the driver
"Toshiba e-Studio 2309a Driver Download (Windows 10 64-bit Exclusive)" To ensure it functions correctly on Windows 10
Toshiba e-STUDIO 2309A is a monochrome multifunction printer (MFP) that supports printing, scanning, and copying at speeds up to 23 pages per minute . For users on Windows 10 64-bit If you are unable to find the driver
Contact Toshiba TEC Business Solutions directly at 1-800-316-0923 (US) and reference the “e Studio 2309a Windows 10 64-bit exclusive driver” to skip the line.
The is a monochrome laser multi-function printer (MFP) designed for small to medium-sized workgroups. To ensure it functions correctly on Windows 10 64-bit , you must install the specific driver architecture that supports its 23 ppm (pages per minute) output and 2400 x 600 dpi printing resolution. Driver Download & Official Sources
I can walk you through the manual "Add Printer" steps if the installer isn't finding your machine.