Test page to aid in answering https://stackoverflow.com/questions/74185390/how-to-click-the-link-using-autohotkey-in-chrome. See it live here: https://bl.ocks.org/diogotito/raw/08bb3b01fa236616c750b23c25c6025b/?raw=true

index.html

<style>
    .PageTransitionLinkTitle,
    .PageTransitionLinkTitle_hover {
        font: xx-large sans-serif;
        color: blue;
        text-decoration: underline;
        cursor: pointer;
    }

    .PageTransitionLinkTitle_hover {
        outline: 0.2rem dashed red;
    }
</style>

<script>
    function generatePrintWindow() {
        alert("Here's the printable version!")
    }
</script>

<table border="0" cellspacing="0" cellpading="0">
    <tbody>
        <tr>
            <td nowrap align="right" colspan="3">
                <span id="mMainHeader_mHeaderPrintSummary" class="PageTransitionLinkTitle"
                    onmouseover="javascript:this.className='PageTransitionLinkTitle_hover';"
                    onclick="javascript:generatePrintWindow();"
                    onmouseout="javascript:this.className='PageTransitionLinkTitle';">
                    Printable Version
                </span>
            </td>
        </tr>
    </tbody>
</table>