To specify what Line Check should look for, display the Search Criteria dialog box (Utilities > Line Check > Search Criteria) and check the categories of undesirable typography you want to search for.
To search the entire document, place the cursor somewhere in the text and choose Utilities > Line Check > First Line. To search from the location of the cursor to the end of the document, place the cursor where you want to start the search and choose Utilities > Line Check > Next Line or press Command (Mac) & Ctrl (Win). To continue the search, press Command (Mac) & Ctrl (Win).