A well-maintained scanner is essential for efficiency and high-quality scans. But how do you know when your scanner needs attention? Some issues are obvious, while others can go unnoticed until they cause major disruptions. Here’s how to recognize both easy-to-spot signs and harder-to-detect issues that indicate it’s time for maintenance or part replacement.
Easy-to-Spot Signs: Immediate Red Flags
These are issues that you’ll likely notice right away. Ignoring them can lead to poor scan quality, increased downtime, or even permanent damage to your scanner.
1. Poor Scan Quality (dark or bright lines in scanned image, black borders, not right cropped images, no deletion of all empty backside images)
If your scanned documents are not as clear as they used to be, it could be due to:
✅ Dirty or scratched scanner glass – check if it only appears on front or back side - Try cleaning it first with adequate cleaning equipment. If scratches persist, replacement may be needed.
✅ Dirty or scratched background roller/glass – Try cleaning it first. If scratches persist, replacement may be needed.
✅ Image calibration needed – check manual of device, if can be done without technician.
2. Frequent Paper Jams or skipped/missing pages:
If you find yourself constantly removing jammed paper, your scanner likely has:
✅ Worn-out pick/feed rollers – These lose grip over time and need cleaning or replacing. Check counter of rollers, if the need to be replaced.
✅ Faulty separation pad/roller – They prevent multiple sheets from feeding at once but wear down with use – need cleaning or replacing. Check counter, if the need to be replaced.
✅ Dust and debris build-up – A simple cleaning might fix the issue, but worn components will need replacement.
3. Loud or Unusual Noises
A healthy scanner operates smoothly. If you hear grinding, clicking, or high-pitched sounds, it could mean:
✅ Dust and debris build-up on transport rollers – A simple cleaning might fix the issue, but worn components will need replacement.
✅ Worn Transport Rollers or belt – If your scanner struggles to move properly, internal parts may need replacement.
✅ Staples, paper clips or other foreign objects – check complete transport way and remove anything, that should not belong there.
✅ Block fans by dust – if accessible, try cleaning fans with brush or compressed air.
Harder-to-Detect Issues: Hidden Problems That Affect Performance
These issues may not be immediately noticeable, but over time, they can significantly impact your scanner’s functionality.
1. Slow Scanning or Lagging Performance
If your scanner has become slower, it could be due to:
🔍 Scan PC or Operating System outdated – Keeping your hard- and software updated can resolve performance issues.
🔍 Outdated drivers or firmware – Keeping your hard- and software updated can resolve performance issues.
🔍 Memory overload – Deleting temporary files or resetting the scanner might help
🔍 Network Issues – check Network speed and connections.
2. Inconsistent Document Detection
Does your scanner misread document sizes, skip pages, or fail to detect paper? Possible causes include:
🔍 Dirty or failing sensors – Dust build-up on sensors can cause scanning errors or paper jams.
🔍 Malfunctioning internal components – A faulty circuit board or sensor may need replacing.
🔍 Software misconfigurations – Resetting settings or reinstalling drivers could fix the issue.
3. Connectivity Issues (Scanner Not Recognized)
If your scanner suddenly stops connecting to your computer or network:
🔍 Loose cables or ports – Check all physical connections first.
🔍 Software conflicts – Try reinstalling scanning software or updating drivers.
🔍 Hardware failure – A damaged circuit board or internal connector may require replacement, try a different computer port.
What to Do Next? Maintenance vs. Replacement
- For easy-to-spot issues, start with cleaning and basic troubleshooting. If problems persist, check if consumables like rollers or pads need replacement.
- For harder-to-detect issues, consider professional maintenance. If internal parts like optics, sensors, or circuit boards are failing, a replacement may be necessary.
Keep Your Scanner Running Smoothly!
By addressing both obvious and hidden issues early, you can extend your scanner’s lifespan and avoid costly repairs. Need replacement parts or expert advice? Contact us at hello@scansupply.eu or explore our catalogue for high-quality consumables and spare parts.
