diff --git a/core/downloader.py b/core/downloader.py
index bc4f168..76fde48 100644
--- a/core/downloader.py
+++ b/core/downloader.py
@@ -213,9 +213,9 @@ def download_file(
             if "civitai.com" in url
             else "URL"
         )
-        print(f"\n[Model Resolver] Starting download: {filename}")
-        print(f"[Model Resolver] Source: {source}")
-        print(f"[Model Resolver] URL: {url}")
+        log_info(f"Starting download: {filename}")
+        log_info(f"Source: {source}")
+        log_info(f"URL: {url}")
 
         # Start download
         response = requests.get(url, headers=headers, stream=True, timeout=30)
@@ -224,7 +224,7 @@ def download_file(
         # Get total size
         total_size = int(response.headers.get("content-length", 0))
         total_size_str = format_bytes(total_size) if total_size > 0 else "unknown"
-        print(f"[Model Resolver] Size: {total_size_str}")
+        log_info(f"Size: {total_size_str}")
 
         with download_lock:
             download_progress[download_id]["total_size"] = total_size
@@ -291,8 +291,8 @@ def download_file(
                                 format_bytes(total_size) if total_size > 0 else "?"
                             )
                             speed_str = format_bytes(int(smoothed_speed)) + "/s"
-                            print(
-                                f"[Model Resolver] Progress: {downloaded_str} / {total_str} ({progress_pct}%) - {speed_str}"
+                            log_info(
+                                f"Progress: {downloaded_str} / {total_str} ({progress_pct}%) - {speed_str}"
                             )
                     else:
                         # Just update downloaded bytes without recalculating speed
@@ -315,22 +315,18 @@ def download_file(
             try:
                 if os.path.exists(dest_path):
                     os.remove(dest_path)
-                    print(
-                        f"[Model Resolver] Cancelled: {filename} - incomplete file deleted"
-                    )
+                    log_info(f"Cancelled: {filename} - incomplete file deleted")
                 else:
-                    print(f"[Model Resolver] Cancelled: {filename} - no file to delete")
+                    log_info(f"Cancelled: {filename} - no file to delete")
             except Exception as e:
-                print(
-                    f"[Model Resolver] Warning: Could not delete incomplete file {dest_path}: {e}"
-                )
+                log_warn(f"Could not delete incomplete file {dest_path}: {e}")
                 # Try harder on Windows - sometimes the file handle takes a moment to release
                 try:
                     time.sleep(0.5)  # time is already imported at module level
                     if os.path.exists(dest_path):
                         os.remove(dest_path)
-                        print(
-                            f"[Model Resolver] Cancelled: {filename} - incomplete file deleted (delayed)"
+                        log_info(
+                            f"Cancelled: {filename} - incomplete file deleted (delayed)"
                         )
                 except Exception:
                     pass
@@ -350,9 +346,9 @@ def download_file(
         # CLI completion log
         elapsed = time.time() - start_time
         avg_speed = downloaded / elapsed if elapsed > 0 else 0
-        print(f"[Model Resolver] ✓ Download complete: {filename}")
-        print(
-            f"[Model Resolver] Size: {format_bytes(downloaded)}, Time: {elapsed:.1f}s, Avg speed: {format_bytes(int(avg_speed))}/s"
+        log_info(f"✓ Download complete: {filename}")
+        log_info(
+            f"Size: {format_bytes(downloaded)}, Time: {elapsed:.1f}s, Avg speed: {format_bytes(int(avg_speed))}/s"
         )
 
     except requests.exceptions.RequestException as e:
@@ -378,8 +374,8 @@ def download_file(
         result["error"] = error_msg
 
         # CLI error log
-        print(f"[Model Resolver] ✗ Download failed: {os.path.basename(dest_path)}")
-        print(f"[Model Resolver] Error: {error_msg}")
+        log_error(f"✗ Download failed: {os.path.basename(dest_path)}")
+        log_error(f"Error: {error_msg}")
 
         # Clean up partial file
         try:
@@ -396,8 +392,8 @@ def download_file(
         result["error"] = error_msg
 
         # CLI error log
-        print(f"[Model Resolver] ✗ Download failed: {os.path.basename(dest_path)}")
-        print(f"[Model Resolver] Error: {error_msg}")
+        log_error(f"✗ Download failed: {os.path.basename(dest_path)}")
+        log_error(f"Error: {error_msg}")
         log_error(f"Download error: {e}", exc_info=True)
 
     return result