HP DeskJet 3755 Offline Issue? Fix Connection Step-by-Step

Your HP DeskJet 3755 shows “connected”, the WiFi light is on…
But your computer still says “Printer Offline.”

You try printing again. Nothing happens.

This situation is confusing because everything looks right—but the printer still refuses to work.

Here’s the reality: this issue is usually caused by settings, not connection.
In this guide, you’ll learn exactly how to fix HP DeskJet 3755 printer offline but connected issue quickly and easily.

---

2. Quick Answer (Featured Snippet)

To fix HP DeskJet 3755 printer offline but connected, try this:

• Turn off “Use Printer Offline” mode
• Restart printer, computer, and router
• Set HP DeskJet 3755 as default printer
• Clear print queue
• Update or reinstall printer driver

These steps usually bring your printer back online within minutes.

---

3. Why HP DeskJet 3755 Shows Offline (Even When Connected)

This issue happens when your system cannot communicate properly with the printer.

Here are the most common causes:

• “Use Printer Offline” setting enabled
• Printer not set as default
• IP address mismatch (WiFi printers)
• Outdated or corrupted driver
• Print spooler service error
• Weak or unstable WiFi
• SNMP communication issue
• Stuck print jobs in queue

👉 Even small configuration issues can trigger this.

---

4. Step-by-Step Solutions (CORE FIXES)

Follow these steps carefully. Start from the top.

---

Step 1: Restart All Devices

• Turn off printer
• Restart computer
• Restart WiFi router
• Turn printer back on

✔ This refreshes all connections.

---

Step 2: Disable “Use Printer Offline” Mode

• Go to Control Panel > Devices and Printers
• Right-click HP DeskJet 3755
• Click See what’s printing
• Click Printer menu
• Uncheck Use Printer Offline

👉 Printer should go online immediately.

---

Step 3: Set Printer as Default

• Open Devices and Printers
• Right-click HP DeskJet 3755
• Click Set as Default Printer

✔ Ensures correct communication.

---

Step 4: Clear Print Queue

• Open printer queue
• Cancel all jobs
• Restart printer

👉 Removes stuck tasks.

---

Step 5: Check Network Connection

• Ensure printer and computer are on same WiFi
• Move printer closer to router
• Restart router if needed

---

Step 6: Update Printer Driver

• Open Device Manager
• Find HP DeskJet 3755
• Click Update Driver

✔ Fixes compatibility issues.

---

Step 7: Reinstall Printer Driver

• Remove printer from system
• Uninstall driver
• Restart computer
• Install latest driver from HP website

👉 Fixes corrupted drivers.

---

Step 8: Restart Print Spooler Service

• Press Win + R
• Type services.msc
• Find Print Spooler
• Click Restart

✔ Clears hidden errors.

---

Step 9: Check Printer IP Address

• Print network configuration page
• Match IP with system
• Update port settings if needed

---

Step 10: Disable SNMP Status (Advanced Fix)

• Go to printer properties
• Open Ports tab
• Click Configure Port
• Uncheck SNMP Status Enabled

👉 Prevents false offline status.

---

5. Device / Scenario-Based Fixes

Fix on Windows

• Restart Print Spooler
• Check port settings
• Disable SNMP

---

Fix on Mac

• Go to Printers & Scanners
• Remove printer
• Add it again

✔ Mac reconnects automatically.

---

Fix for WiFi Issues

• Reset printer network settings
• Reconnect to WiFi
• Ensure stable signal

---

Fix for USB Connection

• Reconnect cable
• Try different port
• Avoid USB hubs

---

6. Advanced Troubleshooting

If your HP DeskJet 3755 printer still says offline but is connected, try these:

---

Assign Static IP Address

• Set fixed IP for printer
• Prevent connection drops

---

Update Printer Firmware

• Use HP Smart app
• Install updates

---

Check Firewall or Antivirus

• Temporarily disable firewall
• Test printing
• Re-enable after

---

Reset Printer Settings

• Restore factory settings
• Set up again

👉 Use as last option.

---

7. FAQ Section (People Also Ask)

Q1. Why does my HP DeskJet 3755 say offline but is connected?

Usually due to offline mode settings, IP mismatch, or driver issues.

---

Q2. How do I bring my HP DeskJet 3755 back online?

Disable offline mode, restart devices, and update drivers.

---

Q3. Can WiFi issues cause offline printer status?

Yes. Weak or unstable WiFi can interrupt communication.

---

Q4. What is SNMP and why disable it?

SNMP checks printer status but can sometimes show incorrect offline state.

---

Q5. Do I need to reinstall my printer?

If drivers are corrupted, reinstalling often fixes the issue.

---

Q6. Why is my printer connected but not printing?

It may be stuck in offline mode or blocked by print queue.

---

Q7. Will resetting network settings fix this issue?

Yes, especially if connection issues are involved.

---

Final Thoughts

If your HP DeskJet 3755 printer says offline but is connected, don’t worry—it’s a common issue with simple fixes.

Start with basic steps like disabling offline mode and restarting devices.
Then move to advanced solutions if needed.

👉 Follow this guide step by step, and your printer will be back online and printing smoothly in minutes.

If you want, I can also create SEO meta title, description, schema markup, and internal linking strategy to help this article rank higher.