Issue
When attempting to add a driver to the printer configuration or initiate a new calibration, the error message "Encountered an improper argument" appears, preventing the addition of the driver.

Possible Cause
This error might arise from character encoding problems in the list of installed drivers. In Korean systems (or other non-English OS configurations), special characters or incorrectly encoded text can lead to parsing errors, causing this message to appear.
Solution
Add the driver by eliminating all characters that may cause encoding issues.