diff --git a/mac/daemon.py b/mac/daemon.py
index 1dde3cc..639befd 100644
--- a/mac/daemon.py
+++ b/mac/daemon.py
@@ -152,8 +152,17 @@ def do_encode(body):
 def do_print_paper(body):
     """Print the paper label on the Dymo LabelWriter 450 (raw USB, no CUPS driver)."""
     prof = label.profile(body.get('size'), dpmm=label.DPMM_DYMO,
-                         art_mm=body.get('art_mm'), margin_mm=body.get('margin'))
-    img = label.render(body, prof, rotate=False)   # 57 mm head: no rotation needed
+                         web_mm=body.get('w'), pitch_mm=body.get('h'),
+                         margin_mm=body.get('margin'))
+    # The Dymo takes the SAME 24 mm stock as the Urovo, fed narrow-edge-first, so the
+    # landscape design has to be rotated 90 degrees here too. (The 57 mm head is wider
+    # than the label; that does NOT mean the label feeds landscape.) Overridable per
+    # request via "rotate" in case a wider Dymo roll is loaded.
+    rotate = body.get('rotate', True)
+    img = label.render(body, prof, rotate=rotate)
+    if img.width > dymo_mod.HEAD_BYTES * 8:
+        return {'ok': False, 'error': 'label is %d dots wide; Dymo head is %d'
+                % (img.width, dymo_mod.HEAD_BYTES * 8)}
     with LOCK, dymo_mod.Dymo() as d:
         before = d.status()
         if before is not None and not before & 0x01:
diff --git a/mac/dymo.py b/mac/dymo.py
index b6bffca..bad8bd4 100644
--- a/mac/dymo.py
+++ b/mac/dymo.py
@@ -131,13 +131,23 @@ class Dymo(object):
     def form_feed(self):
         self.write(b'\x1bE')
 
-    def print_image(self, img, density='normal', graphics_mode=True, feed=True):
+    def print_image(self, img, density='normal', graphics_mode=False, feed=True):
         """Send a 1-bit PIL image, already oriented for the head (width = across head).
 
+        The bitmap is assumed to be 300 dpi in BOTH axes, so the default is `ESC h`
+        (300x300 Text mode). `ESC i` selects 300x600 Barcode/Graphics mode, where the
+        head is still 300 dpi across but each raster line becomes 1/600" in the travel
+        direction -- printing the label at HALF length unless the image is doubled up.
+        So when graphics_mode is on we stretch the image 2x vertically to keep the
+        physical size right.
+
         Returns the number of raster lines sent.
         """
         if img.mode != '1':
             img = img.convert('1')
+        if graphics_mode:
+            from PIL import Image as _I
+            img = img.resize((img.width, img.height * 2), _I.NEAREST)
         if img.width > HEAD_BYTES * 8:
             raise DymoError('image is %d dots wide; head is %d'
                             % (img.width, HEAD_BYTES * 8))