Canon Printer Offline: for Windows and Mac

Canon printer offline is a common problem caused by network issues, incorrect settings, outdated drivers, or spooler errors. Even when the printer is on, communication may fail. Restarting the printer and router, setting it as default, updating drivers, and checking network connections usually brings the printer back online.

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What Does Canon Printer Offline Mean?

When your Canon printer shows offline, it means your computer cannot communicate with the printer. The printer may be turned on and connected to WiFi or USB, but the operating system treats it as unavailable. As a result, print jobs get stuck in the queue and do not reach the printer.

This problem can occur with both wired and wireless Canon printers and may appear suddenly even if the printer was working fine earlier.

Common Reasons Why Canon Printer Goes Offline

Understanding the cause helps you apply the correct fix. Below are the most common reasons for the Canon printer offline issue.

1. Weak or Lost Network Connection

For wireless printers, an unstable WiFi connection is the top reason. If the printer disconnects from the network, it will show offline on your computer.

2. Printer Set to Offline Mode

Sometimes the printer is manually or automatically set to “Use Printer Offline” in system settings.

3. Incorrect Default Printer Selection

If another printer is set as default, your Canon printer may appear offline or unavailable.

4. Outdated or Corrupted Printer Drivers

Old or damaged drivers can break communication between the printer and your device.

5. Printer Spooler Service Not Running

The print spooler manages print jobs. If it stops or crashes, the printer may go offline.

6. IP Address Changes

On wireless networks, routers may assign a new IP address to the printer, causing connection issues.

7. Firewall or Antivirus Interference

Security software can sometimes block printer communication.

8. USB or Cable Connection Issues

For wired printers, loose or damaged cables may cause offline errors.

Basic Checks Before Troubleshooting

Before trying advanced solutions, perform these simple checks:

• Make sure the Canon printer is turned on

• Check for error messages or blinking lights

• Restart the printer, router, and computer

• Ensure the printer has paper and ink

• Remove and reconnect USB cables (if applicable)

Often, a simple restart resolves temporary glitches.

How to Fix Canon Printer Offline on Windows

Follow these methods in order until the issue is resolved.

Method 1: Set Canon Printer as Default

1. Open Control Panel

2. Click Devices and Printers

3. Right-click your Canon printer

4. Select Set as default printer

A green checkmark should appear on the printer icon.

Method 2: Disable “Use Printer Offline” Option

1. Open Devices and Printers

2. Right-click your Canon printer

3. Select See what’s printing

4. Click Printer from the top menu

5. Uncheck Use Printer Offline

This brings the printer back online instantly in many cases.

Method 3: Restart Print Spooler Service

1. Press Windows + R, type services.msc, and press Enter

2. Locate Print Spooler

3. Right-click and select Restart

4. Close the window and try printing again

The print spooler refreshes all pending print jobs.

Method 4: Update or Reinstall Canon Printer Driver

1. Open Device Manager

2. Expand Print queues

3. Right-click your Canon printer and choose Uninstall device

4. Restart your computer

5. Reinstall the latest Canon printer driver

Updated drivers improve stability and compatibility.

Method 5: Check Printer Port Settings

1. Go to Devices and Printers

2. Right-click Canon printer → Printer properties

3. Click the Ports tab

4. Ensure the correct port (USB or IP address) is selected

Incorrect ports often cause offline issues.

How to Fix Canon Printer Offline on Mac

Mac users may experience offline errors due to network or permission issues.

Method 1: Reset Printing System

1. Open System Settings

2. Go to Printers & Scanners

3. Right-click in the printer list

4. Select Reset printing system

5. Re-add your Canon printer

This clears all printer-related errors.

Method 2: Remove and Re-add Canon Printer

1. Open Printers & Scanners

2. Select the Canon printer

3. Click Remove

4. Restart your Mac

5. Add the printer again using Add Printer

Ensure the printer appears as “Ready” after adding.

Method 3: Check Network Connection

• Confirm Mac and printer are on the same WiFi network

• Avoid switching between 2.4 GHz and 5 GHz networks

• Restart the router if needed

Fix Canon Wireless Printer Offline Issue

If your Canon wireless printer keeps going offline:

• Place the printer closer to the router

• Assign a static IP address to the printer

• Disable power-saving mode on the printer

• Avoid frequent router resets

Stable network settings prevent recurring offline errors.

Fix Canon USB Printer Offline Issue

For USB-connected printers:

• Use a different USB port

• Replace the USB cable

• Avoid using USB hubs

• Connect the printer directly to the computer

Hardware connection issues are common with wired printers.

Canon Printer Offline After Windows Update

Sometimes Windows updates affect printer settings.

• Reinstall printer drivers

• Re-check default printer settings

• Restart print spooler

• Remove duplicate printer entries

This usually restores printer status.

How to Prevent Canon Printer Offline Problems

• Keep printer drivers updated

• Use a stable WiFi connection

• Avoid changing network settings frequently

• Turn off printer only using power button

• Perform regular printer maintenance

Prevention saves time and frustration.

Frequently Asked Questions (FAQs)

Why does my Canon printer say offline but it’s on?

This usually happens due to network issues, incorrect settings, or driver problems.

How do I force my Canon printer online?

Disable “Use Printer Offline,” restart the printer, and set it as default.

Does restarting router fix offline issues?

Yes, restarting the router often restores lost network connections.

Can antivirus software cause printer offline?

Yes, firewalls or antivirus programs may block printer communication.

How long does it take to fix offline error?

Most fixes take only a few minutes if followed correctly.

Final Thoughts

The Canon printer offline issue is common but rarely serious. In most cases, it is caused by simple settings, network interruptions, or outdated drivers. By following the step-by-step solutions in this guide, you can quickly bring your Canon printer back online. Whether you use Windows or Mac, wireless or USB connection, these methods help ensure smooth, uninterrupted printing whenever you need it.