diff --git a/Marlin/ultralcd_st7920_u8glib_rrd.h b/Marlin/ultralcd_st7920_u8glib_rrd.h index 386e312e5b..15e9e9d342 100644 --- a/Marlin/ultralcd_st7920_u8glib_rrd.h +++ b/Marlin/ultralcd_st7920_u8glib_rrd.h @@ -55,11 +55,11 @@ uint8_t u8g_dev_rrd_st7920_128x64_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, vo WRITE(ST7920_CLK_PIN,1); ST7920_CS(); - u8g_Delay(90); //initial delay for boot up + u8g_Delay(120); //initial delay for boot up ST7920_SET_CMD(); ST7920_WRITE_BYTE(0x08); //display off, cursor+blink off ST7920_WRITE_BYTE(0x01); //clear CGRAM ram - u8g_Delay(10); //delay for CGRAM clear + u8g_Delay(15); //delay for CGRAM clear ST7920_WRITE_BYTE(0x3E); //extended mode + GDRAM active for(y=0;y