HP DeskJet 3755 Setup Issues? Install Easily

Unboxed your HP DeskJet 3755, plugged it in… and now you’re stuck?
No WiFi connection, no printing, and the setup feels confusing.

You’re not alone—this compact printer is popular, but many users struggle with the first-time setup.

The good news? You can get everything working in under 10 minutes.
This guide will show you exactly how to set up an HP DeskJet 3755 printer step by step—no technical skills needed.

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2. Quick Answer (Featured Snippet)

To set up HP DeskJet 3755 printer, follow these steps:

• Power on the printer and install ink cartridges
• Load paper into the input tray
• Install HP Smart app on your device
• Put printer in setup mode (blinking blue light)
• Connect to WiFi using HP Smart
• Complete setup and print a test page

This is the fastest and easiest way to set up your HP DeskJet 3755.

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3. What Comes in the Box (Check Before Setup)

Before you start, confirm you have everything:

• HP DeskJet 3755 printer
• Power cable
• Ink cartridges
• Setup guide/manual
• Plain paper

✔ Having everything ready makes setup smooth.

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4. Common Setup Problems (And Why They Happen)

If setup fails, it’s usually because of:

• Printer not in setup mode
• WiFi connection issues
• Incorrect network password
• HP Smart app not detecting printer
• Using 5GHz instead of 2.4GHz WiFi
• Printer too far from router
• Incomplete driver installation

👉 Don’t worry—these are easy to fix.

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5. Step-by-Step Setup Guide (CORE PROCESS)

Follow these steps carefully for a successful setup.

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Step 1: Turn On the Printer

• Plug in the power cable
• Press the Power button
• Wait for printer to initialize

✔ Lights will turn on.

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Step 2: Install Ink Cartridges

• Open cartridge access door
• Insert black and color cartridges
• Close the door

👉 Printer may make noise while aligning.

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Step 3: Load Paper

• Pull input tray
• Insert plain paper
• Adjust paper guides

✔ Required for test print.

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Step 4: Put Printer in Setup Mode

• Press and hold Cancel + Wireless buttons
• Hold for 5 seconds
• Blue light will start blinking

👉 This step is very important.

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Step 5: Install HP Smart App

• Download HP Smart from App Store or HP website
• Open the app

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Step 6: Add Printer

• Tap Add Printer
• Select HP DeskJet 3755

✔ App will detect printer automatically.

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Step 7: Connect to WiFi

• Choose your WiFi network
• Enter password

👉 Printer connects to network.

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Step 8: Complete Setup

• Follow on-screen instructions
• Print test page

✔ Your printer is now ready.

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6. Device / Scenario-Based Setup

Set Up HP DeskJet 3755 on Windows

• Download HP Smart or drivers
• Run setup
• Select wireless connection

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Set Up HP DeskJet 3755 on Mac

• Open HP Smart
• Add printer
• Follow instructions

✔ Mac setup is simple.

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Set Up HP DeskJet 3755 on iPhone / Android

• Install HP Smart app
• Connect to WiFi
• Add printer

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Setup Using USB (Alternative Method)

If wireless setup fails:

• Connect printer to computer via USB
• Run HP software
• Switch to wireless setup

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7. Advanced Troubleshooting

If your HP DeskJet 3755 setup is not working, try these:

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Reset Printer Setup Mode

• Press Cancel + Wireless buttons again
• Ensure blue light is blinking

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Restart Devices

• Restart printer, phone, and router
• Try setup again

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Check WiFi Band

• Use 2.4GHz network
• Printer may not support 5GHz

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Update Firmware

• Use HP Smart app
• Install latest updates

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Disable VPN or Firewall

• Turn off VPN
• Disable firewall temporarily
• Retry setup

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8. FAQ Section (People Also Ask)

Q1. How do I connect HP DeskJet 3755 to WiFi?

Use HP Smart app and follow wireless setup steps.

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Q2. Why is my HP DeskJet 3755 not connecting?

Check setup mode, WiFi password, and network compatibility.

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Q3. Do I need HP Smart app to set up printer?

It’s recommended, but USB setup can also work.

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Q4. How do I reset HP DeskJet 3755?

Press Cancel + Wireless buttons to reset network settings.

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Q5. Can I set up printer without internet?

You need WiFi network, but not always internet access.

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Q6. Why is printer not detected in HP Smart?

Ensure same WiFi network and correct setup mode.

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Q7. What should I do if setup fails repeatedly?

Reset printer and restart setup from beginning.

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Final Thoughts

Setting up your HP DeskJet 3755 printer doesn’t have to be complicated.

Follow the steps carefully—especially setup mode and WiFi connection.
Use the HP Smart app for the easiest experience.

👉 Once set up, your printer will be ready for wireless printing anytime.

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