info HP

Status Status light pulsing purple

Wireless setup mode is active and will last for 2 hours after first turning on the printer.

? What Causes This

Normal operation during initial wireless setup.

What This Means

Press the Wireless and Information buttons simultaneously to enter Wi-Fi setup mode. Use HP Smart to connect to the network.

Source: page 2 of the official manual

From the manual

Manual page 2 — HP error Status light pulsing purple

This error code appears in:

HP Laserjet M207E M212E Printer