

You are more likely to experience this issue if you have Port (COM & LPT) monitoring utilities or HotSync(R) Manager application installed on your computer. Fix problem where Serial port-connected LabelWriter is Not Printing You need to use the LabelWriter Firmware Updater utility and follow the on-screen instructions to update the LabelWriter firmware. Note: It is necessary that you update the Firmware in the Dymo LabelWriter 400 Turbo to avoid any further issues.

This post lists some common errors that you may encounter while using the Dymo device and simple solutions for these problems. Most of the errors encountered by Dymo LabelWriter Turbo 400 are related to connectivity. The device is connected to a computer with a USB cable or through a Serial port. Dymo LabelWriter 400 Turbo is a device specifically used to print labels.
