Why your printer keeps jamming (and how to fix a paper jam)

Why your printer keeps jamming (and how to fix a paper jam)

There’s nothing more frustrating than hitting ‘print’ and hearing the dreaded crunch of a paper jam! Whether you’re printing important documents for work or school, a jammed printer can bring your productivity to a grinding halt.

Paper jams are one of the most common printer problems, but the good news is they’re usually easy to prevent and fix.

In this guide, we’ll walk you through why your printer might be jamming, how to fix paper jam issues properly, and the essential steps for effective printer troubleshooting.

Printers are notorious for their pesky problems, so let’s take a look at how to fix them!


Common causes of printer jams

Understanding the root of your printer jams is the first step toward fixing the problem for good. Here are the most common reasons:

1. Incorrect paper loading

Loading paper the wrong way is a leading cause of printer jams. If the paper isn’t aligned properly, or if you’ve overloaded the tray, it can cause sheets to feed unevenly or get stuck. Even using damaged or curled paper can lead to printer problems.

2. Wrong type of paper

Printers are picky about the kind of paper you use! If the paper is too thick, too thin, or not rated for your printer, it may struggle to pick up the sheets properly, resulting in a jam. Always check your printer’s specifications and use compatible paper types.

3. Worn or dirty rollers

Paper feed rollers grip the sheet and move it through the printer. Over time, these rollers can wear out or accumulate dust and debris. When this happens, the paper may not feed straight, increasing the chances of a jam.

4. Foreign objects in the printer

A stray paperclip, staple, or even a small piece of torn paper can easily become lodged inside the printer, obstructing the path and causing repeated jams.

5. Humidity and paper storage 

Paper absorbs moisture from the air. In damp environments, sheets can stick together or become wavy, making it difficult for the printer to pull in one page at a time. This can often be overlooked during printer troubleshooting!


How to fix paper jam issues: Step-by-step

When your printer jams, the worst thing you can do is yank the paper out. This can damage internal components and make the situation worse!

So here’s how to fix paper jam issues safely and effectively:

Step 1: Turn off the printer

Always turn off and unplug the printer before opening any compartments. This prevents any moving parts from causing injury and protects the device.

Step 2: Open the printer access panel

Locate and open the access panel or rear tray where the jam has occurred. Most printers will display an error message and indicate where the jam is located.

Step 3: Remove the jammed paper gently

Carefully pull the paper in the direction of the paper path to avoid damaging internal rollers or sensors. If any bits of paper tear off, ensure you remove every last piece.

Step 4: Check for hidden debris

Use a torch if needed and look inside the printer for any foreign objects. This is an often-missed step in printer troubleshooting.

Step 5: Reinsert the paper correctly

Make sure the paper stack is aligned and below the maximum fill line in the tray. Then, you can also ‘fan’ the paper stack before loading to prevent sheets from sticking together.


Preventing future paper jams

Once you’ve resolved a jam, the last thing you want is a repeat performance. Follow these simple tips to reduce printer problems in the future:

✅ Use the right paper

Choose high-quality, printer-compatible paper and store it in a cool, dry place. Avoid using old, curled, or wrinkled sheets.

✅ Keep rollers clean

Every few weeks, clean your printer’s rollers using a lint-free cloth and isopropyl alcohol. Avoid using excessive force or abrasive materials.

✅ Don’t overfill the tray

Stick to the paper fill line and align the sheets properly before printing. Overfilling is a surefire way to cause jams.

✅ Keep your printer firmware updated

Manufacturers occasionally release firmware updates to improve printer performance and resolve known bugs that may cause printer problems.


When to call a professional

If you’ve tried everything and your printer keeps jamming, there may be a deeper issue at play, such as a failing feed roller or sensor. This is where professional printer troubleshooting can help. A technician can clean hard-to-reach parts, replace worn components, and test for issues beyond the typical user’s reach.

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Quick troubleshooting checklist

Before you pick up the phone or toss your printer in frustration, run through this handy checklist:

  • Is the paper type and size correct?
  • Are the sheets loaded straight and below the max fill line?
  • Have you checked for tiny paper scraps or debris?
  • Are the rollers clean and free from dust?
  • Has the printer been updated recently?

Following this list can often resolve minor issues and help you fix paper jam problems on your own.


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