diff --git a/hgdriver/hgdev/hg_scanner.cpp b/hgdriver/hgdev/hg_scanner.cpp
index cd6690a..5806af3 100644
--- a/hgdriver/hgdev/hg_scanner.cpp
+++ b/hgdriver/hgdev/hg_scanner.cpp
@@ -1121,9 +1121,9 @@ void hg_scanner::working_begin(void*)
 }
 void hg_scanner::working_done(void*)
 {
-	imgs_.Clear();
-	if(user_cancel_)
-		final_imgs_.clear();
+//	imgs_.Clear();          // do before start ...
+//	if(user_cancel_)
+//		final_imgs_.clear();
 
 	if (status_ == SCANNER_ERR_OK && stop_fatal_)
 		status_ = stop_fatal_;
@@ -5205,4 +5205,4 @@ int hg_scanner::image_configuration(SCANCONF& ic)
 	VLOG_MINI_1(LOG_LEVEL_DEBUG_INFO, "ic.is_colorcast =%d\r\n", ic.is_colorcast);
 	VLOG_MINI_1(LOG_LEVEL_DEBUG_INFO, "ic.isuoloadexceptionimage=%d\r\n", ic.isuoloadexceptionimage);
 	return ret;
-}
\ No newline at end of file
+}
diff --git a/hgdriver/hgdev/hg_scanner_200.cpp b/hgdriver/hgdev/hg_scanner_200.cpp
index 8fdc74e..6601820 100644
--- a/hgdriver/hgdev/hg_scanner_200.cpp
+++ b/hgdriver/hgdev/hg_scanner_200.cpp
@@ -277,6 +277,8 @@ int hg_scanner_200::start(void)
 
 	//discard_prev();
 	user_cancel_ = false;
+        imgs_.Clear();          // move from scanning done
+        final_imgs_.clear();	// move from scanning done
 	ret = writedown_device_configuration(true);
 	if (ret == SCANNER_ERR_OK)
 		writedown_image_configuration();
@@ -1052,4 +1054,4 @@ int hg_scanner_200::get_roller_num(int& val)
 	}
 	val = usbcb.u32_Data;
 	return ret;
-}
\ No newline at end of file
+}
diff --git a/hgdriver/hgdev/hg_scanner_239.cpp b/hgdriver/hgdev/hg_scanner_239.cpp
index 71d9cc1..27dedf0 100644
--- a/hgdriver/hgdev/hg_scanner_239.cpp
+++ b/hgdriver/hgdev/hg_scanner_239.cpp
@@ -1486,6 +1486,7 @@ int hg_scanner_239::stop(void)
 }
 int hg_scanner_239::reset(void)
 {
+        imgs_.Clear();	// move from scanning done
 	final_imgs_.clear();
 	discard_all_images();
 
diff --git a/hgdriver/hgdev/hg_scanner_300.cpp b/hgdriver/hgdev/hg_scanner_300.cpp
index 86e7dd2..196d48a 100644
--- a/hgdriver/hgdev/hg_scanner_300.cpp
+++ b/hgdriver/hgdev/hg_scanner_300.cpp
@@ -318,7 +318,8 @@ int hg_scanner_300::start(void)
 	if (handled)
 		return ret;
 
-	final_imgs_.clear();
+	final_imgs_.clear();        
+        imgs_.Clear();	// move from scanning done
 
 	//if (is_read_int)
 	//{
@@ -387,6 +388,7 @@ int hg_scanner_300::stop(void)
 		std::lock_guard<std::mutex>      lock(io_lock_);
 		ret = writeusb(usbcb);
 	}
+        VLOG_MINI_1(LOG_LEVEL_DEBUG_INFO, "Write stop command = %d\n", ret);
 
 	if (status_ == SCANNER_ERR_DEVICE_BUSY)
 	{
diff --git a/hgdriver/hgdev/hg_scanner_302.cpp b/hgdriver/hgdev/hg_scanner_302.cpp
index 38ceee1..f8b8abe 100644
--- a/hgdriver/hgdev/hg_scanner_302.cpp
+++ b/hgdriver/hgdev/hg_scanner_302.cpp
@@ -1126,7 +1126,8 @@ int hg_scanner_302::stop(void)
 }
 int hg_scanner_302::reset(void)
 {
-	final_imgs_.clear();
+        imgs_.Clear();	// move from scanning done
+        final_imgs_.clear();
 	discard_all_images();
 
 	return status_;
@@ -1395,4 +1396,4 @@ int hg_scanner_302::get_history_scan_count(int& val)
 	std::lock_guard<std::mutex>      lock(io_lock_);
 	int ret = read_register(setting3399::SR_GET_SCANN_NUM, &val);
 	return ret;
-}
\ No newline at end of file
+}