--- sane-backends-1.0.18/backend/canon.c.logical_vs_binary	2006-06-19 23:07:52.000000000 +0200
+++ sane-backends-1.0.18/backend/canon.c	2007-04-24 09:08:56.000000000 +0200
@@ -246,12 +246,12 @@
     TPU_STAT_INACTIVE : TPU_STAT_NONE;
   if (dev->tpu.Status == SANE_TRUE)	/* TPU available */
     {
-      dev->tpu.Status = (tbuf[2 + 4 + 5] && 0x04) ?
+      dev->tpu.Status = (tbuf[2 + 4 + 5] & 0x04) ?
 	TPU_STAT_INACTIVE : TPU_STAT_ACTIVE;
     }
-  dev->tpu.ControlMode = tbuf[3 + 4 + 5] && 0x03;
+  dev->tpu.ControlMode = tbuf[3 + 4 + 5] & 0x03;
   dev->tpu.Transparency = tbuf[4 + 4 + 5] * 256 + tbuf[5 + 4 + 5];
-  dev->tpu.PosNeg = tbuf[6 + 4 + 5] && 0x01;
+  dev->tpu.PosNeg = tbuf[6 + 4 + 5] & 0x01;
   dev->tpu.FilmType = tbuf[7 + 4 + 5];
 
   DBG (11, "TPU Status: %d\n", dev->tpu.Status);