# PRINT311: Receipt delivery failed

## What this means[​](#what-this-means "直接链接到 What this means")

This receipt could not be emailed or downloaded.

The sale itself is unaffected. Check the email address and the device's connection, then try again from the order's receipt screen.

## What to do[​](#what-to-do "直接链接到 What to do")

Try the action again. WCPOS does not retry this by itself — retry when you are ready.

## Your data[​](#your-data "直接链接到 Your data")

The order itself is safe and unchanged.

## Details[​](#details "直接链接到 Details")

* **Code:** `PRINT311` (`RECEIPT_DELIVERY_FAILED`)
* **Severity:** error
* **Introduced in:** WCPOS 1.10.0