pixma: fixes MP800 and MP800R TPU at 2400 dpi

by Gernot Hassenpflug

	modified:   backend/pixma_mp150.c

backend/pixma_mp150.c

@@ -590,8 +590,12 @@ calc_shifting (pixma_t * s)
 
       case MP800_PID:
       case MP800R_PID:
-      case MP830_PID:
       case MP960_PID:
+        if (s->param->xdpi == 2400)
+          mp->stripe_shift = 6;
+        break;
+
+      case MP830_PID:
       case MP810_PID:
         if (s->param->xdpi == 2400) 
           mp->stripe_shift = 3;