How to fix a printer printing blurry or smudged text

Hardware & Peripherals KB-653

Summary

This guide helps you troubleshoot and resolve: How to fix a printer printing blurry or smudged text. Follow the steps below to fix the issue.

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Common Causes

Blurry or smudged text is a common issue for small business and home office setups. This usually occurs due to clogged print heads, low ink/toner levels, or incorrect paper settings. Following these steps will help you analyse the cause and restore your print quality to professional standards.

Quick Fix Steps

Before diving into deeper technical settings, try these immediate checks:

Check Ink/Toner Levels: Low cartridges often cause streaks or faded, blurry text.
Verify Paper Type: Ensure the paper in the tray matches the settings in your print dialogue (e.g., don't use glossy photo paper settings for standard A4 office paper).
Restart the Device: Power cycle both your computer and the printer to clear any temporary spooler errors.

Detailed Instructions

Running a Print Head Cleaning Cycle

If you use an inkjet printer, ink can dry in the nozzles, leading to smudging or missing lines of text.

Open the Control Panel on your Windows PC.
Navigate to Devices and Printers.
Right-click your printer and select Printing Preferences.
Look for a tab labelled Maintenance or Tools.
Select Print Head Cleaning or Deep Cleaning and follow the on-screen prompts.
Print a Nozzle Check page to verify the improvement.

Addressing Laser Printer Smudging

Laser printers use heat to fuse toner to the page. Smudging usually indicates a problem with the fuser unit or the toner cartridge.

Remove and Reinstall: Carefully remove the toner cartridge, shake it gently from side to side to redistribute the powder, and re-insert it firmly.
Check the Fuser: If the toner smudges when you rub your finger across the text, the fuser is not heating correctly. Check for any "Fuser Error" messages on the printer's LCD screen.
Clean the Corona Wire: Some laser printers have a sliding tab on the cartridge used to clean the corona wire. Slide this back and forth several times.

If you are experiencing connectivity issues alongside print quality problems, please refer to our guide on Printer not printing / offline.

Troubleshooting by Symptom

Horizontal Lines or Streaks

Inkjet: This is almost always a clogged nozzle. Run the cleaning cycle again.
Laser: This often indicates a scratched drum unit. Check the green/blue cylinder on the cartridge for any physical scratches or toner buildup.

Blurry or "Ghosted" Text

Ghosting occurs when a faint image of the text appears slightly offset from the original.

Check that you are using the correct paper weight. Heavy cardstock used in a standard paper setting can cause the toner to slide.
Ensure the printer drivers are up to date. Navigate to the manufacturer's website and download the latest driver for your specific model.

Never use third-party cleaning chemicals or solvents inside the printer. Only use the built-in cleaning utilities or approved cleaning kits from the manufacturer to avoid voiding your warranty.

If the print quality does not improve after these steps, it may be a hardware failure requiring a technician. Please Open a Ticket for further assistance.

Still Having Issues?

Need more help? If the issue persists after trying these steps, please open a support ticket and our team will assist you.

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