Release notes: 

1. Supported:
- Color Laser Printer: SP C435DN
- Black and White Digital Copier: MP 305+SP/MP 305+SPF
- A feature for changing the language of the user interface has been added.
- The driver UI can be displayed in Korean when the SP4510DN is chosen in the list of models.
- The driver UI can be displayed in Korean or Traditional Chinese when the SP6430DN is chosen in the list of models.

2. Fixed:
- When a driver is customized by using Printer Driver Packager NX to include the "Perform Bidirectional Communication on Installation" setting, the setting does not work correctly during driver installation.
- The "Register Current Settings as One Click Preset" button remains grayed out when "Do not Print Blank Pages" is chosen in the "2 Sided/Layout/Booklet" menu.

3. Others:
- Added CAT (Catalog) files which were released from Microsoft (WHQL).

Installation steps:

1. Connect the "Device" to a PC using a USB cable and then power on the "Device".
2. Automatic installation of the device driver will appear to start and then fail, displaying the message "Device driver software was not successfully installed". Close this message.
3. Open "Device Manager".
4. The "Device" should be listed under "Other devices". Right-click "Device" and select "Update Device Software...".
5. When the "Update Device Software" screen is displayed, select "Browse my computer for driver software".
6. Browse to the folder containing the driver files (typically the CD-ROM or an extracted archive downloaded from the website) and click "OK".
7. Follow the rest of the Wizard's instructions to complete the installation.

About PCL (Printer Command Language) Driver:

PCL Printer ...