diff --git a/application/thermal_print.py b/application/thermal_print.py
index f28b7c1..426a0ae 100644
--- a/application/thermal_print.py
+++ b/application/thermal_print.py
@@ -77,7 +77,7 @@ class ThermalPrinter():
 	def print_sudoku(self):
 		self.p.close()
 		# self.p = Usb(0x0416, 0x5011, None, 4, 0x81, 0x02)
-		self.p = Usb(idVendor=0x0416, idProduct=0x5011, usb_args=None, timeout=4 , in_ep=0x81, out_ep=0x02)
+		self.p = Usb(idVendor=0x0416, idProduct=0x5011, usb_args=None, timeout=4000 , in_ep=0x81, out_ep=0x02)
 		convert_to_image(generate_sudoku())
 		self.p.image("sudoku.png")