diff --git a/einkfb.c b/einkfb.c
index a1f7054f9..cfc268719 100644
--- a/einkfb.c
+++ b/einkfb.c
@@ -150,6 +150,16 @@ static int einkUpdate(lua_State *L) {
 	ioctl(fb->fd, FBIO_EINK_UPDATE_DISPLAY_AREA, &myarea);
 #else
 	// for now, we only do fullscreen blits in emulation mode
+	if (fxtype == 0) {
+		// simmulate a full screen update in eink screen
+		if(SDL_MUSTLOCK(fb->screen) && (SDL_LockSurface(fb->screen) < 0)) {
+			return luaL_error(L, "can't lock surface.");
+		}
+		SDL_FillRect(fb->screen, NULL, 0x000000);
+		if(SDL_MUSTLOCK(fb->screen)) SDL_UnlockSurface(fb->screen);
+		SDL_Flip(fb->screen);
+	}
+
 	if(SDL_MUSTLOCK(fb->screen) && (SDL_LockSurface(fb->screen) < 0)) {
 		return luaL_error(L, "can't lock surface.");
 	}
diff --git a/unireader.lua b/unireader.lua
index e6c9a3740..db5eed43c 100644
--- a/unireader.lua
+++ b/unireader.lua
@@ -187,6 +187,11 @@ function UniReader:initGlobalSettings(settings)
 	if cache_max_ttl then
 		self.cache_max_ttl = cache_max_ttl
 	end
+
+	local rcountmax = settings:readSetting("partial_refresh_count")
+	if rcountmax then
+		self.rcountmax = rcountmax
+	end
 end
 
 -- guarantee that we have enough memory in cache
@@ -523,7 +528,7 @@ function UniReader:show(no)
 		self:toggleTextHighLight(self.highlight[no])
 	end
 
-	if self.rcount == self.rcountmax then
+	if self.rcount >= self.rcountmax then
 		print("full refresh")
 		self.rcount = 1
 		fb:refresh(0)
@@ -1070,6 +1075,12 @@ function UniReader:addAllCommands()
 			unireader:showHighLight()
 			unireader:goto(unireader.pageno)
 		end)
+	self.commands:add(KEY_R, MOD_SHIFT, "R",
+		"manual full screen refresh",
+		function(unireader)
+			unireader.rcount = 1
+			fb:refresh(0)
+		end)
 	self.commands:add(KEY_HOME,nil,"Home",
 		"exit application",
 		function(unireader)