diff --git a/downloader.py b/downloader.py
index c2aca1b..f4df59c 100644
--- a/downloader.py
+++ b/downloader.py
@@ -118,6 +118,14 @@ def get_year_options(page: Page) -> list[str]:
 
 def get_invoice_links(page: Page) -> list[dict]:
     links = []
+    seen = set()
+
+    def _add_link(url: str, label: str) -> None:
+        if not url or url in seen:
+            return
+        seen.add(url)
+        links.append({"url": url, "label": label})
+
     rows = page.locator("table.billing-table tbody tr, table#billingTable tbody tr, table tbody tr").all()
     for row in rows:
         anchors = row.locator("a[href*='billing_invoice'], a[href*='invoice']").all()
@@ -127,7 +135,7 @@ def get_invoice_links(page: Page) -> list[dict]:
             if href:
                 if not href.startswith("http"):
                     href = f"{BASE_URL}/{href.lstrip('/')}"
-                links.append({"url": href, "label": text})
+                _add_link(href, text)
 
     if not links:
         all_anchors = page.locator("a[href*='invoice']").all()
@@ -137,7 +145,29 @@ def get_invoice_links(page: Page) -> list[dict]:
             if href and "invoice" in href.lower():
                 if not href.startswith("http"):
                     href = f"{BASE_URL}/{href.lstrip('/')}"
-                links.append({"url": href, "label": text})
+                _add_link(href, text)
+
+    if not links:
+        print_links = page.locator("a.no-print[data-reference-object-id], a[data-reference-object-id]").all()
+        for anchor in print_links:
+            href = anchor.get_attribute("href") or ""
+            if href:
+                if not href.startswith("http"):
+                    href = f"{BASE_URL}/{href.lstrip('/')}"
+                _add_link(href, anchor.inner_text().strip())
+                continue
+
+            try:
+                anchor.scroll_into_view_if_needed()
+                with page.expect_popup() as popup_info:
+                    anchor.click()
+                popup = popup_info.value
+                popup.wait_for_load_state("domcontentloaded")
+                label = anchor.inner_text().strip() or anchor.get_attribute("data-reference-object-id") or popup.title()
+                _add_link(popup.url, label)
+                popup.close()
+            except Exception as e:
+                logger.warning("Failed to open invoice popup: %s", e)
 
     return links
 
@@ -285,6 +315,12 @@ def download_all_invoices() -> list[Path]:
                 )
 
                 if not invoices:
+                    logger.warning(
+                        "No invoices found for group '%s', year '%s'. Browser will remain open for inspection.",
+                        group["label"],
+                        year,
+                    )
+                    input("No invoices found. Inspect the browser, then press Enter to continue...")
                     continue
 
                 year_dir.mkdir(parents=True, exist_ok=True)