# HP LaserJet M140we Error E75 – Causes, Fixes & Easy Troubleshooting Guide
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If your HP LaserJet M140we printer is showing Error E75, don’t panic. This is a common connectivity-related issue and usually happens when the printer fails to communicate properly over the network. The good news? In most cases, you can fix it yourself in just a few minutes—no technician needed.

In this guide, we’ll explain what HP Error E75 means, why it happens, and step-by-step solutions to get your printer back online.
## What Is HP LaserJet M140we Error E75?

Error E75 on the HP LaserJet M140we generally indicates a network communication problem. The printer is unable to connect to your Wi-Fi router or cloud services required for setup and printing.

This error often appears:

During initial printer setup

When Wi-Fi settings change

After a router restart or internet outage

If the printer firmware is outdated

Because the M140we relies heavily on wireless connectivity and HP Smart app configuration, even a small network glitch can trigger this error.
## Common Causes of HP Error E75

Understanding the root cause helps you fix the problem faster. Here are the most common reasons:

Weak or unstable Wi-Fi signal

Incorrect Wi-Fi password entered during setup

Router blocking the printer connection

Temporary firmware or software glitch

Printer connected to the wrong network band (2.4 GHz vs 5 GHz)

Corrupted network settings in the printer
## How to Fix HP LaserJet M140we Error E75 (Step-by-Step)
1. Restart Printer, Router & Device

This simple step fixes many temporary network issues.

Steps:

Turn off the printer and unplug it

Restart your Wi-Fi router

Restart your computer or mobile device

Plug the printer back in and turn it on

Wait for all devices to fully boot before testing again.
## 2. Check Your Wi-Fi Network

The HP LaserJet M140we works best on a 2.4 GHz Wi-Fi network.

Make sure that:

Your internet connection is active

You are connected to the correct Wi-Fi network

The signal strength is strong near the printer

Your router isn’t blocking new devices

If possible, move the printer closer to the router.
## 3. Reset Printer Network Settings

Resetting the network clears old or incorrect Wi-Fi configurations.

Steps to reset network settings:

Turn the printer ON

Press and hold the Wireless and Cancel buttons together for 5 seconds

The blue light will blink, indicating reset

After this, reconnect the printer using the HP Smart app.
## 4. Reinstall HP Smart App

A corrupted or outdated app can also cause Error E75.

What to do:

Uninstall the HP Smart app from your device

Download the latest version from the official HP website

Open the app and add your printer again

Follow on-screen instructions carefully

Make sure Bluetooth and location permissions are enabled during setup.
## 5. Update Printer Firmware

Outdated firmware can block proper communication.

Steps:

Open HP Smart App

Go to Printer Settings > Advanced Settings

Check for firmware updates

Install updates if available

Do not turn off the printer during the update process.
## 6. Disable VPN or Firewall Temporarily

VPNs and strict firewalls may block printer connectivity.

Turn off VPN (if enabled)

Temporarily disable firewall or antivirus

Try setting up the printer again

Once setup is complete, you can re-enable security tools.
## When to Contact HP Support or Third-Party Help

If Error E75 still appears after trying all steps, the issue may be related to:

Internal wireless hardware

Router compatibility issues

Account or cloud setup problems

In such cases, contacting HP printer support or a trusted third-party printer technician is recommended.
# Final Thoughts

The HP LaserJet M140we Error E75 is mostly a Wi-Fi and network-related issue, not a hardware failure. In most cases, restarting devices, resetting network settings, and reinstalling the HP Smart app resolves the problem quickly.

Take your time during setup, double-check Wi-Fi details, and keep firmware updated to avoid this error in the future.
## Our helpline number 1-888-765-0492