Canon Pixma Pro 100s Smudging Issue: A Troubleshooting Guide

Are you experiencing smudging issues with your Canon Pixma Pro 100s printer? It can be frustrating when your prints are marred by unsightly black ink smudges, especially after attempting various maintenance options without success. Fear not, as there are further steps you can take to address this problem effectively.

Identifying the Issue

As described by many users, the smudging typically starts in one corner of the paper and progresses across the page in a dotted line resembling a "walking ant" pattern. Despite attempting maintenance tasks such as bottom plate cleaning, roller cleaning, and enabling paper abrasion prevention, the issue persists.

Exploring Manual Cleaning

When standard maintenance options fail to resolve the problem, manual cleaning of the printer becomes a viable option. While this may sound daunting, it can be a straightforward process with the right guidance.

Steps for Manual Cleaning

1. Locate the Purge Unit: The purge unit is a critical component responsible for maintaining print quality by cleaning the printhead nozzles. It's typically situated on the right side of the printer carriage.
2. Flooding the Purge Unit: One recommended method is to flood the purge unit with cleaning solution several times. This helps dislodge any dried ink or debris that may be causing the smudging issue.
3. Using Window Cleaner: Spray window cleaner generously around the purge unit and the surrounding area. This helps dissolve ink residues and facilitates easier cleaning.
4. Wiping Excess Ink: After spraying, use a lint-free cloth or paper towel to carefully wipe away any excess ink. Be gentle to avoid damaging delicate components.
5. Repeat if Necessary: Depending on the severity of the issue, you may need to repeat the flooding and cleaning process multiple times until the smudging problem is resolved.

Additional Tips and Considerations

• Avoid Harsh Chemicals: While window cleaner is effective for dissolving ink residues, avoid using harsh chemicals or solvents that could damage printer components.
• Regular Maintenance: To prevent future smudging issues, incorporate regular maintenance into your printing routine. This includes periodic cleaning of the printhead and purge unit.
• Professional Assistance: If manual cleaning does not resolve the problem or if you're uncomfortable performing the procedure yourself, consider seeking assistance from a professional printer technician.

By following these steps, you can effectively address the smudging issue plaguing your Canon Pixma Pro 100s printer and restore optimal print quality.

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