macOS 10.15 (Catalina) | Printer Driver Installation Problem

Affected models:

All Inkjet printers

Issue summary:

When trying to install the printer driver on macOS 10.15 (Catalina), the error message It is not available to install is displayed.

Cause:

Due to a part of file attribute for existed installed printer driver related file is “Rootless”. Therefore, it is not available to install and remove the printer driver. As a result, the “System Integrity Protectio; SIP” is implemented by the macOS. If the file attribute is “Rootless”, it is not available to operate in the normal way.

Solution:

1. Boot into Mac OS Recovery Mode as usual by holding down the Command and R keys during system start
2. Choose the language as usual (if applicable)

   

3. At the MacOS Utilities screen, pull down the Utilities menu from the top of the screen

   

4. Select Terminal to launch Terminal app within Recovery Mode

   

   The Terminal app will launch within Recovery Mode, ready for your commands, whether it’s resetting a password, clearing out disk space, disabling or re-enabling SIP in Mac OS, or any of the other myriad functions available via the command line.
5. In the Terminal window and type in csrutil disable and then press Enter/Return key. This will disable the System Integrity Protection: So now SIP is OFF.

   

6. Restart the Mac.

   

7. Install the printer driver.
8. Restart macOS with Recovery mode, by holding down the Command and R keys during system start
9. Choose the language as usual (if applicable)

   

10. At the MacOS Utilities screen, pull down the Utilities menu from the top of the screen

    

11. Select Terminal to launch Terminal app within Recovery Mode

    

12. In the Terminal window and type in csrutil enable and then press Enter/Return key. This will enable the System Integrity Protection: So now SIP is ON.

    

13. Restart the Mac.

    

14. Completed.