diff -Nur sane-backends-1.0.16/backend/plustek-usb.c sane-backends-lide25v2/backend/plustek-usb.c
--- sane-backends-1.0.16/backend/plustek-usb.c	2005-07-04 18:59:54.000000000 +0200
+++ sane-backends-lide25v2/backend/plustek-usb.c	2005-10-25 12:19:03.601593864 +0200
@@ -880,11 +880,13 @@
 
 	if( si->ImgDef.wDataType == COLOR_256GRAY ) {
 
-		if( !(si->ImgDef.dwFlag & SCANDEF_Adf ) &&
-		  (dev->usbDev.Caps.OpticDpi.x == 1200 && si->ImgDef.xyDpi.x <= 300)) {
-			dev->scanning.fGrayFromColor = 2;
-			si->ImgDef.wDataType = COLOR_TRUE24;
-			DBG( _DBG_INFO, "* Gray from color set!\n" );
+		if((dev->usbDev.vendor != 0x04A9) && (dev->usbDev.product != 0x2220)) {
+			if( !(si->ImgDef.dwFlag & SCANDEF_Adf ) &&
+			  (dev->usbDev.Caps.OpticDpi.x==1200 && si->ImgDef.xyDpi.x<=300)) {
+				dev->scanning.fGrayFromColor = 2;
+				si->ImgDef.wDataType = COLOR_TRUE24;
+				DBG( _DBG_INFO, "* Gray from color set!\n" );
+			}
 		}
 
 		if( caps->workaroundFlag & _WAF_GRAY_FROM_COLOR ) {
@@ -1094,7 +1096,8 @@
 	/* the CanoScan CIS devices need special handling... */
 	if((dev->usbDev.vendor == 0x04A9) &&    
 		(dev->usbDev.product==0x2206 || dev->usbDev.product==0x2207 ||
-		 dev->usbDev.product==0x220D || dev->usbDev.product==0x220E)) {
+		 dev->usbDev.product==0x220D || dev->usbDev.product==0x220E ||
+		 dev->usbDev.product==0x2220)) {
 		use_alt_cal = SANE_TRUE;
 		
 	} else {
diff -Nur sane-backends-1.0.16/backend/plustek-usbdevs.c sane-backends-lide25v2/backend/plustek-usbdevs.c
--- sane-backends-1.0.16/backend/plustek-usbdevs.c	2005-07-04 18:59:54.000000000 +0200
+++ sane-backends-lide25v2/backend/plustek-usbdevs.c	2005-10-25 12:19:03.598594320 +0200
@@ -702,6 +702,24 @@
 	_WAF_MISC_IO_LAMPS | _WAF_BLACKFINE, _NO_MIO
 };
 
+/* Canon LiDE25
+ */
+static DCapsDef Cap0x04A9_0x2220 =
+{
+	{{ 0, 100}, 50, 10, {2550, 3508}, {75, 75}, COLOR_BW },
+	{{ 0,   0},  0,  0, {0, 0}, { 0, 0 }, 0 },
+	{{ 0,   0},  0,  0, {0, 0}, { 0, 0 }, 0 },
+	{{ 0,   0},  0,  0, {0, 0}, { 0, 0 }, 0 },
+	{1200, 1200},
+	0,
+	SENSORORDER_rgb,
+	16,                 /* sensor distance                         */
+	3,                  /* number of buttons                       */
+	kCIS1240,           /* use default settings during calibration */
+	0,                  /* not used here...                        */
+	_WAF_MISC_IO_LAMPS | _WAF_BLACKFINE, _NO_MIO
+};
+
 /******************* additional Hardware descriptions ************************/
 
 /** U24, UT12 and UT16
@@ -2279,6 +2297,75 @@
 	2.0
 };
 
+/** Canon LiDE25 */
+static HWDef Hw0x04A9_0x2220 =
+{
+	0.70,   /* dMaxMotorSpeed (Max_Speed)                     */
+	0.25,   /* dMaxMoveSpeed (Max_Speed)                      */
+	0.85,   /* dHighSpeed                                     */
+	100,    /* wIntegrationTimeLowLamp                        */
+	100,    /* wIntegrationTimeHighLamp                       */
+	1200,   /* wMotorDpi (Full step DPI)                      */
+	512,    /* wRAMSize (KB)                                  */
+	3.75,   /* dMinIntegrationTimeLowres (ms)                 */
+	5.75,   /* dMinIntegrationTimeHighres (ms)                */
+	   0,   /* wGreenPWMDutyCycleLow (reg 0x2a + 0x2b)        */
+	   0,   /* wGreenPWMDutyCycleHigh (reg 0x2a + 0x2b)       */
+
+	0x11,   /* bSensorConfiguration (0x0b)                    */
+	0x4d,   /* sensor control settings (reg 0x0c)             */
+	0x2f,   /* sensor control settings (reg 0x0d)             */
+	0x00,   /* sensor control settings (reg 0x0e)             */
+
+	{0x00, 0x00, 0x04, 0x05, 0x06, 0x07, 0x00, 0x00, 0x00, 0x07},
+	       /* mono (reg 0x0f to 0x18)                        */
+
+	{0x00, 0x00, 0x04, 0x05, 0x06, 0x07, 0x00, 0x00, 0x00, 0x07},
+	      /* color (reg 0x0f to 0x18)                       */
+
+	(_BLUE_CH | _ONE_CH_COLOR), /* bReg_0x26 color mode       */
+
+	0x00,   /* bReg 0x27 color mode                           */
+	2,      /* bReg 0x29 illumination mode                    */
+
+	{ 3,  0,    0, 50, 3700,  0,    0 },
+	{ 2, 50, 5600, 50, 7100, 50, 4600 },
+
+	1,      /* StepperPhaseCorrection (reg 0x1a + 0x1b)       */
+	0,      /* bOpticBlackStart (reg 0x1c)                    */
+	0,      /* bOpticBlackEnd (reg 0x1d)                      */
+	0x7f,   /* wActivePixelsStart (reg 0x1e + 0x1f)           */
+	10559,  /* wLineEnd (reg 0x20 + 0x21)                     */
+
+	50,     /* red lamp on    (reg 0x2c + 0x2d)               */
+	5600,   /* red lamp off   (reg 0x2e + 0x2f)               */
+	50,     /* green lamp on  (reg 0x30 + 0x31)               */
+	7100,   /* green lamp off (reg 0x32 + 0x33)               */
+	50,     /* blue lamp on   (reg 0x34 + 0x35)               */
+	4600,   /* blue lamp off  (reg 0x36 + 0x37)               */
+
+	3,      /* stepper motor control (reg 0x45)               */
+	0,      /* wStepsAfterPaperSensor2 (reg 0x4c + 0x4d)      */
+	0x20,   /* steps to reverse when buffer is full reg 0x50) */
+	0xfc,   /* acceleration profile (reg 0x51)                */
+	0,      /* lines to process (reg 0x54)                    */
+	0x0f,   /* kickstart (reg 0x55)                           */
+	0x08,   /* pwm freq (reg 0x56)                            */
+	0x1f,   /* pwm duty cycle (reg 0x57)                      */
+
+	0x04,   /* Paper sense (reg 0x58)                         */
+
+	0x66,   /* misc io12 (reg 0x59)                           */
+	0x16,   /* misc io34 (reg 0x5a)                           */
+	0x91,   /* misc io56 (reg 0x5b)                           */
+	0x01,   /* test mode ADC Output CODE MSB (reg 0x5c)       */
+	0,      /* test mode ADC Output CODE LSB (reg 0x5d)       */
+	0,      /* test mode (reg 0x5e)                           */
+	_LM9833,
+	MODEL_CANON_LIDE25,
+	2.0
+};
+
 /******************** all available combinations *****************************/
 
 /** here we have all supported devices and their settings...
@@ -2348,6 +2435,7 @@
 	{"0x04A9-0x2208",   &Cap0x04A9_0x2208, &Hw0x04A9_0x2208, "D660U"       },
 	{"0x04A9-0x220D",   &Cap0x04A9_0x220D, &Hw0x04A9_0x220D, "N670U/N676U/LiDE20" },
 	{"0x04A9-0x220E",   &Cap0x04A9_0x220E, &Hw0x04A9_0x220E, "N1240U/LiDE30"      },
+	{"0x04A9-0x2220",   &Cap0x04A9_0x2220, &Hw0x04A9_0x2220, "LiDE25"      },
 
 	/* Please add other devices here...
 	 * The first entry is a string, composed out of the vendor and product id,
@@ -2546,7 +2634,23 @@
 		/* Gray mode MCLK settings */
 		{ 6.0, 6.0, 6.0, 6.0, 6.0, 6.0, 6.0,  6.0,  6.0,  6.0 },
 		{ 6.5, 6.5, 6.5, 7.0, 8.0, 8.0, 8.0, 10.0, 10.0, 10.0 }
-	}
+	},
+
+	{ MODEL_CANON_LIDE25, 8, 51, 9,
+		/* Motor settings (PWM and PWM_Duty) */
+		/* <=75dpi       <=100dpi      <=150dpi      <=200dpi      <=300dpi  */
+		{{ 8, 31, 1 }, { 8, 31, 1 }, { 8, 31, 1 }, { 8, 31, 1 }, { 8, 31, 1 },
+
+		/* <=400dpi     <=600dpi      <=800dpi      <=1200dpi     <=2400dpi */
+		{ 8, 31, 1 }, { 8, 31, 1 }, { 8, 31, 1 }, { 8, 31, 1 }, { 8, 31, 1 }},
+		/* Color mode MCLK settings */
+		{ 3.0, 3.0, 3.0, 3.0, 3.0, 3.0, 3.0, 3.0, 3.0, 3.0 },
+		{ 3.0, 3.0, 3.0, 3.0, 3.0, 3.0, 5.0, 6.0, 6.0, 6.0 },
+		/* Gray mode MCLK settings */
+		{ 8.5, 7.0, 4.0, 4.0, 2.5, 2.5, 2.5,  2.5,  2.5,  2.5 },
+		{ 6.5, 6.5, 6.0, 6.0, 6.0, 6.0, 8.0, 12.0, 12.0, 12.0 }
+ 	}
+
 };
 
 /* END PLUSTEK-USBDEVS.C ....................................................*/
diff -Nur sane-backends-1.0.16/backend/plustek-usb.h sane-backends-lide25v2/backend/plustek-usb.h
--- sane-backends-1.0.16/backend/plustek-usb.h	2005-07-04 18:59:54.000000000 +0200
+++ sane-backends-lide25v2/backend/plustek-usb.h	2005-10-25 12:18:56.802627464 +0200
@@ -278,6 +278,7 @@
 	MODEL_CANON600 ,      /**< for CanoScan 600dpi models   */
 	MODEL_CANON1200,      /**< for Canon 1200dpi models     */
 	MODEL_CANONCCD1200,   /**< for Canon CCD 1200dpi models */
+	MODEL_CANON_LIDE25,   /**< for CanoScan LiDE25          */
 	MODEL_UMAX,           /**< for UMAX 3400/3450           */
 	MODEL_UMAX1200,       /**< for UMAX 5400                */
 	MODEL_LAST