When your Canon printer shows as offline +1-801-878-6858 on Windows or Mac, it means the computer cannot communicate with the printer. This can happen even if the printer is turned on and connected. The problem is usually related to drivers, WiFi connectivity, or system settings. Fortunately, you can fix the Canon printer offline error with a few troubleshooting steps tailored to your operating system.

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Understanding the Canon Printer Offline Error

The offline status does not always mean the printer is broken. Instead, it indicates that your device is failing to detect the printer. The issue may arise due to a faulty connection, outdated drivers, incorrect default settings, or a stalled print queue. Identifying the root cause is key to restoring smooth printing on your Canon device.

Common Causes of Canon Printer Offline Issues

Loose or disconnected USB or network cables
Unstable or weak WiFi signal
Incorrect printer set as default in system settings
Pending print jobs stuck in the queue
Disabled print spooler service on Windows
Outdated Canon drivers or missing updates
Firewall or antivirus blocking communication
System configuration errors after OS updates

Quick Basic Checks Before Fixing the Offline Error

Before going into detailed troubleshooting, try these checks. Make sure the printer is powered on and displays no error codes. Confirm that the WiFi or LAN indicator light is stable. Ensure the computer and printer are connected to the same network. Restart both the computer and printer to refresh connections. If using USB, check that the cable is firmly connected and not damaged.

Fixing Canon Printer Offline Status on Windows

Windows systems often encounter offline errors due to print spooler issues, incorrect default printer settings, or driver conflicts.

Set Canon as the Default Printer

Go to Control Panel and open Devices and Printers. Right-click on your Canon printer and select Set as Default Printer. A green check mark will appear, confirming it is now the main device.

Clear the Print Queue

A stuck print job may prevent new tasks from going through. Open Devices and Printers, right-click your Canon printer, and select See what’s printing. Delete all pending jobs and try printing again.

Restart the Print Spooler Service

Press Windows + R, type services.msc, and press Enter. Locate Print Spooler, right-click, and select Restart. This refreshes the communication process between your computer and printer.

Update or Reinstall Canon Drivers

Outdated or corrupted drivers are a major cause of printer offline errors. Open Device Manager, expand Printers, right-click your Canon model, and choose Update driver. If the update fails, uninstall the printer and download the latest drivers from Canon’s support page.

Disable Firewall or Antivirus Blocking

Sometimes security software mistakenly blocks printer communication. Temporarily disable firewall or antivirus software and try printing again. If the issue is resolved, add the Canon printer as an exception in your security program.

Fixing Canon Printer Offline Status on Mac

Mac users may experience offline errors due to outdated drivers, misconfigured printer settings, or stalled print jobs.

Check Default Printer

Open Apple Menu and go to System Preferences, then Printers & Scanners. Ensure your Canon printer is set as the default printer.

Remove Pending Print Jobs

If print jobs are stuck, the printer may go offline. Open Printers & Scanners, select your Canon printer, and open the print queue. Delete any pending tasks.

Reset the Printing System

Resetting restores factory default settings for your printing system. In Printers & Scanners, right-click in the printer list and choose Reset printing system. Add your Canon printer again using the plus button.

Update Canon Drivers or Use AirPrint +1-801-878-6858

Visit Canon’s official support page to download the latest macOS-compatible drivers. If drivers are unavailable, use AirPrint, which allows Mac devices to print wirelessly without installing additional software.

Check Firewall and Security Settings

Go to System Preferences > Security & Privacy > Firewall. Ensure the firewall is not blocking Canon printer connections. If necessary, allow printer services through the firewall.

Fixing Network-Related Canon Printer Offline Problems

Whether you are on Windows or Mac, network problems are a frequent cause of offline errors. Restart your router and printer together by unplugging them for 30–60 seconds before turning them back on. Assign a static IP address to your Canon printer to avoid IP conflicts. Log in to your router and reserve a specific IP for the printer. Ensure your printer connects to a 2.4 GHz WiFi band, as many Canon printers do not support 5 GHz. Use WPS setup if available by pressing the WiFi button on your Canon printer until the light flashes, then pressing the WPS button on your router.

Advanced Troubleshooting for Persistent Issues

If the problem continues, update your Canon printer firmware from Canon’s support site +1-801-878-6858. Some printers may disconnect when entering deep sleep mode, so adjust the sleep timer settings. As a last resort, perform a factory reset on the printer to clear all settings and reconnect it to your WiFi. You can also try USB printing to confirm that the printer hardware is functioning properly.

Preventing Canon Printer Offline Problems

Keep Canon drivers and firmware updated on a regular basis. Place the printer close to the router for a stronger WiFi signal. Restart your printer and router occasionally to maintain fresh connections. Use WPA2 or WPA3 WiFi encryption for stable communication. Remove unused printers from your computer to prevent conflicts.

FAQs About Canon Printer Offline Status

Why does my Canon printer show offline +1-801-878-6858 when it is on
This happens when the computer cannot communicate with the printer due to driver errors, WiFi problems, or print spooler conflicts.

How do I bring my Canon printer back online

On Windows, set it as the default printer, restart the spooler, and update drivers. On Mac, reset the printing system and add the printer again.

Can I print without WiFi if the printer shows offline

Yes, you can connect using a USB cable or use Canon Wireless Direct for direct printing without a router.

Why does my Canon printer keep going offline again and again

Dynamic IP changes, weak WiFi, or firewall restrictions often cause repeated offline issues. Assigning a static IP usually helps.

Final Thoughts

A Canon printer showing offline +1-801-878-6858 in Windows or Mac can be frustrating, but most cases are simple to fix. By checking connectivity, updating drivers, clearing queues, and adjusting settings, you can bring your Canon printer back online quickly. Regular updates and proper maintenance will help prevent the issue from happening again, ensuring smooth and reliable printing.