diff --git a/backend/pixma_mp150.c b/backend/pixma_mp150.c
index 76f6489fd..7e10cc384 100644
--- a/backend/pixma_mp150.c
+++ b/backend/pixma_mp150.c
@@ -1549,9 +1549,9 @@ const pixma_config_t pixma_mp150_devices[] = {
   DEVICE ("Canon PIXMA MP530", "MP530", MP530_PID, 1200, 0, 0, 638, 877, PIXMA_CAP_CIS | PIXMA_CAP_ADF),
 
   /* Generation 1: CCD */
-  DEVICE ("Canon PIXMA MP800", "MP800", MP800_PID, 2400, 150, 0, 638, 877, PIXMA_CAP_CCD | PIXMA_CAP_TPU | PIXMA_CAP_48BIT),
-  DEVICE ("Canon PIXMA MP800R", "MP800R", MP800R_PID, 2400, 150, 0, 638, 877, PIXMA_CAP_CCD | PIXMA_CAP_TPU | PIXMA_CAP_48BIT),
-  DEVICE ("Canon PIXMA MP830", "MP830", MP830_PID, 2400, 150, 0, 638, 877, PIXMA_CAP_CCD | PIXMA_CAP_ADFDUP | PIXMA_CAP_48BIT),
+  DEVICE ("Canon PIXMA MP800", "MP800", MP800_PID, 2400, 150, 0, 638, 877, PIXMA_CAP_CCD | PIXMA_CAP_TPU),
+  DEVICE ("Canon PIXMA MP800R", "MP800R", MP800R_PID, 2400, 150, 0, 638, 877, PIXMA_CAP_CCD | PIXMA_CAP_TPU),
+  DEVICE ("Canon PIXMA MP830", "MP830", MP830_PID, 2400, 150, 0, 638, 877, PIXMA_CAP_CCD | PIXMA_CAP_ADFDUP),
 
   /* Generation 2: CIS */
   DEVICE ("Canon PIXMA MP140", "MP140", MP140_PID, 600, 0, 0, 638, 877, PIXMA_CAP_CIS),