Class: Exactly 6 digits (e.g. 123456) - Positive

Boundary: 5 digits - Negative, 6 digits - Positive, 7 digits - Negative

Class: Less than 6 digits (e.g. 12345) - Negative

Class: More than 6 digits (e.g. 1234567) - Negative

Class: Contains letters (e.g. 12a456) - Negative

Class: Contains symbols (e.g. 123-45) - Negative

Class: Empty field - Negative

Class: 1-15 valid chars (e.g. Иванов, Smith) - Positive

Boundary: 1 char - Positive, 15 chars - Positive, 16 chars - Negative

Class: More than 15 chars (e.g. Супердлиннаяфамилия) - Negative

Class: Contains digits (e.g. Иванов123) - Negative

Class: Contains special chars (e.g. Петров@, Иван!) - Negative

Class: Only hyphen/space (e.g. "---", " ") - Negative

Class: Empty field - Negative

Class: Existing printer (e.g. HP LaserJet) - Positive

Class: Non-existing printer (e.g. FakePrinter) - Negative

Class: Empty value - Negative

Class: All pages - Positive

Class: Current page - Positive

Class: Pages (valid numbers, e.g. 1-3, 5, 7-10) - Positive

Boundary: 1 - Positive, N - Positive, N+1 - Negative

Class: Pages (invalid numbers, e.g. a, b, -1) - Negative

Class: 1-9999 (e.g. 1, 100, 9999) - Positive

Boundary: 0 - Negative, 1 - Positive, 9999 - Positive, 10000 - Negative

Class: 0 or negative - Negative

Class: Non-numeric (e.g. abc, 1.5) - Negative

Class: On (copies > 1) - Positive

Class: Off (copies > 1) - Positive

Class: Color - Positive

Class: Grayscale - Positive

Class: Pure Black and White - Positive

Class: Enabled, path accessible - Positive

Class: Enabled, path inaccessible - Negative

Class: On / Off - Positive

Class: On / Off - Positive

Class: On / Off - Positive

Class: On / Off - Positive

Class: Active, perform actions - Positive

Class: Inactive on input errors - Negative