diff --git a/src/device/etherdream.rs b/src/device/etherdream.rs
index bd1a898..9a22922 100644
--- a/src/device/etherdream.rs
+++ b/src/device/etherdream.rs
@@ -169,18 +169,19 @@ impl Device for EtherdreamDevice {
 	        line: Vec<Point>,
 	        _speed: u32,
 	) -> LJResult<()> {
-		let chunk_size = 111;
+		let chunk_size = 512;
 		let points_iter = line.into_iter();
 		for chunk in points_iter.as_slice().chunks(chunk_size) {
 			debug!("New chunk length: {:?}", chunk.len());
+			let capacity = self.points_capacity();
+			debug!("capacity : {:?}", capacity);
 			loop {
-				let capacity = self.points_capacity();
-				debug!("capacity : {:?}", capacity);
 				if chunk.len() > capacity as usize {
 					debug!("Sleep");
 					// Sleep for 1/100th of a sec
-					sleep(Duration::new(0, 10_000_000));
-					self.ping();
+					sleep(Duration::new(0, 100_000_000));
+					break;
+					// self.ping();
 				} else {
 					break;
 				}