# Printer debugging

> Checks for an Argox CP2140 that is not printing, and how to reset one to factory defaults.

- **Page** - https://iotready.com/docs/hardware/troubleshooting/printer
- **Book** - [Hardware](https://iotready.com/docs/hardware.md)
- **Section** - Troubleshooting

## Printer setup and troubleshooting

- Please make sure the printer model connected to the device is **Argox CP2140**.

- Check the USB connection to the printer and try reinserting the USB cable.

- Ensure the printer is powered by a **24v power supply**.

- Check the green LED while the print is triggered.

- Ensure the green LED is continuously on when no prints are triggered.

**The Argox printer manual is available from <support@iotready.com>.**

## Resetting printer to factory defaults

1. Turn on the printer and wait until both the **"Ready"** indicator and the **"Power"** indicator stay solid green.
2. Press the **"FEED"** button for 4 seconds, and the **"Ready"** and **"Power"** indicators will go off in order.
3. Once the **"Power"** indicator becomes lit again, release the **"FEED"** button.
4. The **"Ready"** indicator will also become lit. At this moment, the printer has resumed its factory default settings.

**Note**: The printer will delete any print tasks that were received but not yet printed.