diff --git a/backend/genesys.c b/backend/genesys.c
index 89f861d84..abdc05b58 100644
--- a/backend/genesys.c
+++ b/backend/genesys.c
@@ -58,7 +58,7 @@
  * SANE backend for Genesys Logic GL646/GL841/GL842/GL843/GL847/GL124 based scanners
  */
 
-#define BUILD 80
+#define BUILD 81
 #define BACKEND_NAME genesys
 
 #include "genesys.h"
diff --git a/backend/genesys_devices.c b/backend/genesys_devices.c
index 01fb8c4cb..298ae61ee 100644
--- a/backend/genesys_devices.c
+++ b/backend/genesys_devices.c
@@ -1403,8 +1403,8 @@ static Genesys_Model canon_lide_100_model = {
   GENESYS_GL847,
   NULL,
 
-  {2400, 1200, 600, 400, 300, 200, 150, 100, 75, 0},	/* possible x-resolutions */
-  {2400, 1200, 600, 400, 300, 200, 150, 100, 75, 0},	/* possible y-resolutions */
+  {2400, 1200, 600, 300, 200, 150, 100, 75, 0},	/* possible x-resolutions */
+  {2400, 1200, 600, 300, 200, 150, 100, 75, 0},	/* possible y-resolutions */
   {16, 8, 0},			/* possible depths in gray mode */
   {16, 8, 0},			/* possible depths in color mode */
 
@@ -1668,8 +1668,8 @@ static Genesys_Model canon_lide_200_model = {
   GENESYS_GL847,
   NULL,
 
-  {4800, 2400, 1200, 600, 400, 300, 200, 150, 100, 75, 0},	/* possible x-resolutions */
-  {4800, 2400, 1200, 600, 400, 300, 200, 150, 100, 75, 0},	/* possible y-resolutions */
+  {4800, 2400, 1200, 600, 300, 200, 150, 100, 75, 0},	/* possible x-resolutions */
+  {4800, 2400, 1200, 600, 300, 200, 150, 100, 75, 0},	/* possible y-resolutions */
   {16, 8, 0},			/* possible depths in gray mode */
   {16, 8, 0},			/* possible depths in color mode */
 
diff --git a/backend/genesys_gl847.h b/backend/genesys_gl847.h
index 546afa8bc..9049521c0 100644
--- a/backend/genesys_gl847.h
+++ b/backend/genesys_gl847.h
@@ -622,6 +622,7 @@ static size_t order_0145[]={0,1,4,5,2,3,6,7};
  */
 static Sensor_Profile sensors[]={
 	{CIS_CANONLIDE100,  200,  2848,  60, 159, 85, 5136, 255,  410,  275,  203, NULL      , 0x0a},
+	{CIS_CANONLIDE100,  300,  1424,  60, 159, 85, 5136, 255,  410,  275,  203, NULL      , 0x0a},
 	{CIS_CANONLIDE100,  600,  1432,  60, 159, 85, 5136, 255,  410,  275,  203, NULL      , 0x0a},
 	{CIS_CANONLIDE100, 1200,  2712,  60, 159, 85, 5136, 255,  746,  478,  353, order_01  , 0x08},
 	{CIS_CANONLIDE100, 2400,  5280,  60, 159, 85, 5136, 255, 1417,  909,  643, order_0213, 0x06},
@@ -630,6 +631,7 @@ static Sensor_Profile sensors[]={
 	{CIS_CANONLIDE200,  300,  1424, 240, 636, 340, 5144, 0, 255,  637,  637,  637},
 	*/
 	{CIS_CANONLIDE200,  200,  2848,  60, 159, 85, 5136, 255,  410,  275,  203, NULL      , 0x0a},
+	{CIS_CANONLIDE200,  300,  1424,  60, 159, 85, 5136, 255,  410,  275,  203, NULL      , 0x0a},
 	{CIS_CANONLIDE200,  600,  1432,  60, 159, 85, 5136, 255,  410,  275,  203, NULL      , 0x0a},
 	{CIS_CANONLIDE200, 1200,  2712,  60, 159, 85, 5136, 255,  746,  478,  353, order_01  , 0x08},
 	{CIS_CANONLIDE200, 2400,  5280,  60, 159, 85, 5136, 255, 1417,  909,  643, order_0213, 0x06},
@@ -667,12 +669,14 @@ static uint32_t lide200_max[] = { 124992, 124992, 124992, 124992, 124992, 124992
 static Motor_Profile gl847_motors[]={
         /* LiDE 100 */
 	{MOTOR_CANONLIDE100,  2848, HALF_STEP   , lide200_base},
+	{MOTOR_CANONLIDE100,  1424, HALF_STEP   , lide200_base},
 	{MOTOR_CANONLIDE100,  1432, HALF_STEP   , lide200_base},
 	{MOTOR_CANONLIDE100,  2712, QUARTER_STEP, lide200_medium},
 	{MOTOR_CANONLIDE100,  5280, EIGHTH_STEP , lide200_high},
         
         /* LiDE 200 */
 	{MOTOR_CANONLIDE200,  2848, HALF_STEP   , lide200_base},
+	{MOTOR_CANONLIDE200,  1424, HALF_STEP   , lide200_base},
 	{MOTOR_CANONLIDE200,  1432, HALF_STEP   , lide200_base},
 	{MOTOR_CANONLIDE200,  2712, QUARTER_STEP, lide200_medium},
 	{MOTOR_CANONLIDE200,  5280, EIGHTH_STEP , lide200_high},
@@ -681,7 +685,7 @@ static Motor_Profile gl847_motors[]={
         /* LiDE 700F */
 	{MOTOR_CANONLIDE700,  2848, HALF_STEP  , lide200_base},
 	{MOTOR_CANONLIDE700,  1424, HALF_STEP  , lide200_base},
-	{MOTOR_CANONLIDE700,   752, HALF_STEP  , lide200_base},
+	{MOTOR_CANONLIDE700,  1504, HALF_STEP  , lide200_base},
 	{MOTOR_CANONLIDE700,  2696, HALF_STEP  , lide700_medium}, /* 2696 , 2838 */
 	{MOTOR_CANONLIDE700, 10576, EIGHTH_STEP, lide700_high},