How to Fix Canon Error ER174 (Communication Error)
📑 In This Guide
Is your Canon PIXMA printer showing error ER174? You are not alone. The error code ER174 indicates communication error, and it affects thousands of Canon printer users worldwide. The good news is that this error is usually fixable at home without calling a technician.
In this comprehensive guide, we will walk you through 6 proven methods to fix Canon error ER174. We have organized these fixes from the simplest to the most advanced, so you can start with the easiest solution first. Most users can resolve this error in under 11 minutes.
What Is Canon Error ER174?
Error ER174 is a common Canon printer error that indicates communication error. This error can appear on your printer's control panel display or as a pop-up message on your computer screen when you try to print.
When error ER174 occurs, your printer may stop printing, flash warning lights, or display the error code. The root cause is typically related to the ink absorber pad is full and needs replacement. Understanding what triggers this error is the first step toward fixing it.
Error ER174 can affect various Canon PIXMA models, both older and newer versions. If you are experiencing this error, do not worry — we have compiled all the necessary troubleshooting steps below to help you get your printer back to正常工作.
Common Causes of ER174
This error can be triggered by several factors. Understanding the root cause helps you choose the right fix.
- The ink absorber pad is full and needs replacement.
- Improper installation or seating of printer components.
- Using third-party or refilled ink cartridges.
Printer Models Affected by ER174
ER174 has been reported on the following Canon printer models:
| Printer Series | Models | Common? | Easy Fix? |
|---|---|---|---|
| Canon PIXMA | TR4822, MG4200, MG6300 | ✅ Yes | ✅ Yes |
Error ER174 has been reported on Canon PIXMA TR4822 and similar models.
6 Proven Ways to Fix ER174
Try these methods in order. Start with the easiest and most common solutions first.
Method 1: Restart Your Canon Printer
Easy ⏱ 2 minutes-
1. Press the ON button to turn off the printer.
2. Unplug the power cord from the electrical outlet.
3. Wait for at least 60 seconds.
4. Plug the power cord back in securely.
5. Turn the printer back on.
6. Check if the error message has cleared.
Method 2: Check and Resolve Communication Error
Easy ⏱ 5 minutes-
1. Open the front cover and check all access areas.
2. Inspect the ink cartridges for proper installation.
3. Ensure ink cartridges are genuine Canon products.
4. Close all covers securely until they click.
5. Press the Stop or Reset button on the printer if available.
Method 3: Run Canon Printer Diagnostic
Medium ⏱ 10 minutes-
1. On the printer control panel, go to Setup or Menu.
2. Navigate to Maintenance or Tools.
3. Select Print Head Alignment or Nozzle Check.
4. Print the diagnostic page and check for errors.
5. Follow any on-screen instructions provided by the printer.
6. If the diagnostic finds issues, follow the recommended steps.
Method 4: Reset Printer Settings
Medium ⏱ 5 minutes-
1. Press and hold the Stop/Reset button for 5-10 seconds.
2. Release the button when the printer starts processing.
3. Wait for the printer to complete the reset process.
4. Check if the error has been resolved.
5. Reconfigure any necessary printer settings.
Method 5: Update Canon Printer Firmware
Medium ⏱ 10 minutes-
1. Visit the Canon Support website (usa.canon.com/support).
2. Enter your printer model: TR4822.
3. Navigate to the Drivers & Downloads section.
4. Select Firmware and download the latest version.
5. Run the firmware update file.
6. Do not turn off the printer during the update.
7. Restart the printer after the update completes.
Method 6: Contact Canon Support
Hard ⏱ 15 minutes-
1. Note your printer model (TR4822) and error code (ER174).
2. Visit the Canon Support website or call their helpline.
3. Explain the error and the troubleshooting steps you have tried.
4. Follow the technician's guidance for further diagnosis.
5. If under warranty, request a repair or replacement.
If none of the methods resolve error ER174, it is time to call Canon customer service. Have your printer model and serial number ready.
Frequently Asked Questions (FAQs)
Error ER174 on your Canon TR4822 indicates communication error. This typically requires cleaning the print head.
Start by restarting your printer. If the error persists, try the step-by-step methods in this guide. Most users can resolve this error in under 15 minutes.
It is not recommended to continue using the printer with an active error as it may cause further damage. Resolve the error first.
If the fix is software-related, it's free. A new ink cartridge costs $15-$40. Professional repair may cost $50-$120 depending on the issue.
If your printer is still under Canon warranty (usually 1 year), hardware issues are covered. Software issues and consumables like ink are not typically covered.
Conclusion
Canon error ER174 can be frustrating, but as you have seen, there are 6 effective ways to resolve it. In most cases, starting with a simple power cycle or checking your cartridges will solve the problem quickly.
If you have tried all the methods above and the error ER174 persists, it may be time to contact Canon support for professional assistance. Remember to keep your printer's firmware updated and use genuine supplies to prevent future errors.
Start with a power cycle for Canon error ER174. If that fails, check your cartridges and clean the contacts.