Epson Error

Epson Error Code 000031: Causes, Fixes, and Complete Troubleshooting Guide

July 5, 2026 / No Comments

Have you turned on your Epson printer only to see Epson Error Code 000031 displayed on the screen? You’re not alone. This error is one of the most frustrating issues for Epson printer users because it often prevents the printer from starting or completing a print job. The good news is that, in many cases, the problem can be resolved without replacing the printer or paying for expensive repairs.

Error Code 000031 is generally associated with a hardware-related issue that prevents the printer’s internal components from operating normally. Depending on your Epson printer model, the error may be caused by a carriage obstruction, paper feed problem, encoder strip contamination, sensor malfunction, or even outdated firmware.

This comprehensive guide explains everything you need to know about Epson Error Code 000031, including its causes, symptoms, troubleshooting methods, preventive maintenance tips, and when it’s time to contact Epson support.

Unlike many online guides that focus on only one possible cause, this article covers every common scenario to help you diagnose the problem accurately.

What You’ll Learn

In this guide, you’ll discover:

What Epson Error Code 000031 means
The most common causes of the error
Warning signs before the printer stops working
How to diagnose the issue step by step
Easy fixes you can perform at home
Solutions for popular Epson EcoTank printer models
Preventive maintenance tips
When professional repair is necessary
Frequently asked questions about Error Code 000031

What Does Epson Error Code 000031 Mean?

Epson Error Code 000031 is a hardware-related printer error that usually indicates the printer cannot initialize one or more internal mechanical components. It is commonly caused by a carriage jam, paper feed obstruction, dirty encoder strip, faulty sensor, or internal hardware malfunction.

Unlike ink cartridge errors, Error Code 000031 typically appears during printer startup or initialization before printing begins.

When the printer powers on, it performs a self-check by testing several mechanical components, including:

Print head movement
Carriage motor
Paper feed mechanism
Internal sensors
Scanner assembly (on multifunction models)

If any of these components fail the startup test, the printer displays Error Code 000031 to prevent further damage.

Why Does Epson Error Code 000031 Occur?

Every Epson printer performs hundreds of mechanical operations each time it starts. Even a small obstruction can interrupt this process.

Some of the most common reasons include:

Small pieces of torn paper inside the printer
Dust buildup on internal sensors
Carriage unable to move freely
Damaged timing belt
Dirty encoder strip
Scanner lock left engaged
Internal hardware failure
Corrupted firmware
Foreign objects inside the printer

Understanding the root cause is the key to fixing the issue permanently.

Common Symptoms of Epson Error Code 000031

Recognizing the symptoms can help narrow down the cause before you begin troubleshooting.

1. Printer Stops During Startup

The printer begins its initialization sequence but suddenly stops before reaching the ready state.

You may hear the carriage attempt to move once before everything halts.

2. LCD Displays Error Code 000031

Many Epson EcoTank printers display:

Error Code: 000031

Some older models may instead show:

Printer Error
Service Required
Turn Printer Off and On Again

3. Blinking Power Light

Instead of displaying an error message, some Epson printers continuously blink the power LED.

This usually indicates the printer cannot complete its startup diagnostics.

4. Carriage Doesn’t Move

When opening the printer cover, you may notice:

Print head remains parked
Carriage refuses to move
Grinding noises
Clicking sounds

These are strong indicators of a mechanical obstruction.

5. Printer Makes Grinding Noise

Grinding or repeated clicking often suggests:

Obstructed carriage path
Damaged gears
Foreign object trapped inside
Timing belt slipping

Ignoring these sounds may worsen the problem.

6. Printing Stops Unexpectedly

Sometimes the printer begins printing but suddenly freezes before completing the page.

This usually indicates that one of the printer’s sensors detects abnormal movement.

What Causes Epson Error Code 000031?

Paper jams are the leading cause of Epson Error Code 000031.

Even after removing a jammed sheet, tiny pieces of paper can remain lodged inside the printer.

These fragments may block:

Paper feed rollers
Internal sensors
Carriage movement
Exit path

Common signs

Paper won’t feed
Printer makes clicking noises
Error appears immediately after a paper jam

Expert Tip

Always inspect the printer with a flashlight. Small paper scraps are easy to miss but can continue triggering the error.

2. Foreign Objects Inside the Printer

Unexpected objects often find their way into printers, especially in homes and offices.

Examples include:

Staples
Paper clips
Pen caps
Sticky notes
Dust buildup
Children’s toys
Label backing paper

Even a tiny object can prevent the carriage from moving correctly.

Before assuming the printer has failed, perform a thorough visual inspection.

3. Carriage Jam

The print head carriage moves left and right across the printer while printing.

If anything blocks this movement, the printer immediately stops to protect the motor.

Common causes include:

Dried ink buildup
Obstruction on carriage rail
Broken plastic pieces
Misaligned cartridges
Damaged carriage guide

Symptoms

Loud clicking
Carriage stops halfway
Print head feels stuck
Error appears during startup

4. Dirty Encoder Strip

The encoder strip is a thin transparent plastic strip that helps the printer determine the exact position of the print head.

Over time it collects:

Dust
Ink mist
Fingerprints
Grease

When the printer cannot accurately read the encoder strip, it may display Error Code 000031.

Signs of a dirty encoder strip

Carriage moves erratically
Printing becomes misaligned
Startup errors occur
Random stopping during printing

Cleaning the encoder strip carefully is often enough to restore normal operation.

5. Paper Feed Sensor Problems

Modern Epson printers rely on multiple optical sensors to detect paper movement.

If one sensor becomes:

Dirty
Misaligned
Damaged
Blocked

the printer may incorrectly assume paper is jammed.

This causes Error Code 000031 even when no paper is present.

Common symptoms

False paper jam messages
Printer won’t feed paper
Startup failure
Intermittent errors

6. Timing Belt Issues

The timing belt controls carriage movement with precise accuracy.

Although timing belts are designed to last for years, they can eventually:

Stretch
Slip
Crack
Break

When this happens, the carriage cannot reach its expected position during startup.

The printer immediately stops initialization and displays Error Code 000031.

Warning signs

Loud grinding
Skipping carriage
Sudden stopping
Uneven movement

Timing belt replacement is usually considered an advanced repair and may require professional servicing.

7. Scanner Lock Left Enabled (Multifunction Printers)

If you own an Epson all-in-one printer with scanning capabilities, the scanner transport lock could be the cause.

Many users forget to unlock the scanner after moving the printer.

During startup, the scanner attempts to initialize.

If it cannot move, the printer may display Error Code 000031.

Always check that the scanner lock switch is in the unlocked position after transportation.

8. Firmware or Initialization Errors

Although less common than hardware issues, outdated or corrupted firmware can sometimes trigger startup errors.

Possible causes include:

Interrupted firmware updates
Power outages during initialization
Software corruption
Communication issues between printer components

Keeping your printer firmware updated can improve stability and resolve known bugs.

How to Fix Epson Error Code 000031 (Step-by-Step)

If your Epson printer displays Error Code 000031, don’t panic. In many cases, the issue can be resolved without replacing parts. Follow these troubleshooting steps in order, testing the printer after each one.

Important: Always turn off the printer and unplug the power cable before opening the printer or touching internal components.

Step 1: Perform a Complete Power Reset

A power reset clears temporary hardware glitches and reinitializes the printer.

How to do it

Turn off the printer.
Unplug the power cable from both the printer and the wall outlet.
Disconnect the USB or Ethernet cable if connected.
Wait for 5–10 minutes.
Press and hold the Power button for 30 seconds while unplugged.
Reconnect the power cable.
Turn the printer back on.

Why it works

Residual electrical charge inside the printer can sometimes prevent proper startup. A full power reset forces the printer to initialize from scratch.

Success Rate: Moderate for firmware or temporary startup issues.

Step 2: Check for Hidden Paper Jams

Many users remove visible paper but overlook tiny scraps trapped inside the printer.

Areas to inspect

Rear paper feed
Front output tray
Duplex unit (if equipped)
Under the print head
Paper rollers
Maintenance area

Use a flashlight to inspect every corner of the printer.

Look for

Torn paper
Sticky labels
Envelopes
Thick paper
Cardstock fragments

Even a piece as small as one inch can trigger Error Code 000031.

Step 3: Remove Any Foreign Objects

Objects accidentally dropped into the printer are a common cause of carriage movement errors.

Common items found inside printers

Staples
Paper clips
Pen caps
Binder clips
Coins
Label backing
Plastic packaging
Dust buildup

Gently tilt the printer if necessary and remove any visible objects with tweezers. Avoid using sharp tools that could damage internal components.

Step 4: Check the Print Head Carriage

The carriage should move smoothly across the metal rail.

How to inspect it

Turn off the printer.
Open the top cover.
Wait until the carriage unlocks (if applicable).
Carefully move the carriage from left to right.

Normal behavior

Smooth movement
No resistance
No grinding sounds

If the carriage feels stuck

Look for:

Ink buildup
Paper fragments
Broken plastic pieces
Misaligned ink cartridges

Never force the carriage. Excessive pressure can damage the carriage motor or guide rail.

Step 5: Inspect the Encoder Strip

The encoder strip is a thin, transparent plastic strip that runs behind the print head.

It tells the printer the exact position of the carriage.

If the strip becomes dirty, you may notice:

Startup errors
Misaligned printing
Carriage movement problems
Error Code 000031

Cleaning procedure

Turn off the printer.
Locate the transparent strip.
Use a lint-free microfiber cloth lightly dampened with distilled water.
Wipe gently from one end to the other.
Allow it to dry completely.

Do not use alcohol, paper towels, or excessive force, as these can damage the strip.

Step 6: Inspect the Paper Feed Rollers

Dirty rollers can cause the printer to misread paper movement.

Signs of dirty rollers

Paper doesn’t feed
Multiple sheets feed together
Grinding noises
False paper jam messages

Cleaning steps

Use a lint-free cloth.
Lightly dampen it with water.
Rotate each roller while cleaning.
Allow the rollers to dry before testing the printer.

Clean rollers improve paper feeding and reduce sensor-related errors.

Step 7: Verify the Scanner Lock (Multifunction Printers)

If your Epson printer includes a scanner, locate the scanner transport lock.

Check that it is:

In the Unlocked position
Not jammed
Free of obstructions

A locked scanner can prevent the printer from completing its startup sequence.

Step 8: Update the Printer Firmware

Firmware updates often fix bugs related to startup and hardware initialization.

Before updating

Ensure:

Stable power supply
Reliable internet connection (if using Wi-Fi)
No interruption during installation

Always download firmware from Epson’s official support website for your printer model.

Step 9: Reset the Printer Settings

Some Epson printers allow users to restore factory defaults.

A factory reset can clear:

Startup configuration errors
Network settings
Temporary firmware conflicts

Remember that resetting the printer may erase Wi-Fi and custom settings, so you’ll need to configure them again afterward.

Step 10: Contact Epson Support

If none of the previous steps resolve Error Code 000031, the issue may involve a hardware component that requires professional diagnosis.

Possible failures include:

Carriage motor
Mainboard
Timing belt
Paper feed sensor
Encoder sensor
Scanner motor
Power supply board

Avoid disassembling the printer beyond basic maintenance unless you have experience repairing printers.

Troubleshooting Table for Epson Error Code 000031

Symptom	Possible Cause	Recommended Solution
Printer won’t start	Hardware initialization failure	Power reset
Paper jam message remains	Hidden paper scraps	Remove debris
Grinding noise	Carriage obstruction	Inspect carriage path
Print head won’t move	Carriage jam	Remove obstruction
Error after moving printer	Scanner lock engaged	Unlock scanner
False paper jam	Dirty sensor	Clean sensors
Carriage moves erratically	Dirty encoder strip	Clean encoder strip
Startup freezes	Firmware issue	Update firmware

Model-Specific Solutions

Although Error Code 000031 has similar causes across Epson printers, some models have unique characteristics.

Epson L3210 Error Code 000031

The Epson L3210 is one of the most popular EcoTank printers.

Most common causes:

Paper scraps
Dirty encoder strip
Scanner initialization problem
Carriage obstruction

Recommended troubleshooting

Perform a power reset.
Check under the carriage for paper.
Clean the encoder strip.
Verify scanner movement.

Epson L3250 Error Code 000031

The L3250 adds Wi-Fi functionality but shares the same print mechanism.

Common causes include:

Carriage movement errors
Firmware bugs
Dust accumulation
Feed roller contamination

Updating firmware can be particularly helpful for this model.

Epson L3110 Error Code 000031

Users frequently report:

Carriage jams
Paper feed issues
Internal obstructions

Pay close attention to the rear paper feed and carriage rail.

Epson L3150 Error Code 000031

If the error appears after transportation:

Check the scanner lock.
Verify ink tanks are properly secured.
Ensure nothing shifted inside the printer during transport.

Epson ET-Series Printers

Popular models such as the ET-2800, ET-2850, and ET-3850 may display Error Code 000031 because of:

Feed sensor issues
Encoder strip contamination
Carriage motor resistance

Routine cleaning significantly reduces these problems.

Common Mistakes to Avoid

Many users unintentionally make the problem worse while attempting repairs.

Avoid these common mistakes:

Forcing the carriage to move
Pulling jammed paper too quickly
Using excessive force
Cleaning the encoder strip with alcohol
Touching sensors with dirty hands
Ignoring grinding noises
Updating firmware during an unstable power supply
Using compressed air too close to sensitive components

Preventing Epson Error Code 000031

Preventive maintenance can reduce the likelihood of hardware errors and extend your printer’s lifespan.

1. Keep the Printer Clean

Dust accumulates over time and can interfere with sensors and moving parts.

Wipe the exterior weekly.
Remove paper dust from the input tray.
Clean rollers periodically.

2. Use High-Quality Paper

Low-quality paper creates more dust and tears easily.

Avoid:

Damp paper
Curled sheets
Torn pages
Staples or folded paper

3. Store the Printer Properly

Place the printer on:

A stable surface
Away from direct sunlight
In a dry environment
Free from excessive dust

Avoid placing heavy objects on top of the printer.

4. Perform Regular Maintenance

A simple monthly maintenance routine can prevent many common issues.

Checklist:

Clean paper rollers.
Remove dust.
Check the carriage path.
Inspect the encoder strip.
Update firmware when available.

5. Turn Off the Printer Correctly

Always use the printer’s Power button instead of unplugging it while it’s running.

Proper shutdown allows the print head to return to its parked position safely.

When Should You Contact Epson Support?

Seek professional assistance if:

Error Code 000031 persists after completing all troubleshooting steps.
You hear loud grinding or repeated clicking noises.
The carriage cannot move even after removing obstructions.
The printer smells like burnt plastic or overheats.
A timing belt or internal gear appears damaged.
The printer repeatedly fails during startup despite a factory reset.

These symptoms may indicate a deeper hardware issue that requires specialized tools or replacement parts.

Frequently Asked Questions (FAQs)

What does Epson Error Code 000031 mean?

Epson Error Code 000031 indicates that the printer has detected a hardware initialization problem. The issue is commonly related to the print head carriage, paper feed mechanism, encoder strip, internal sensors, or another mechanical component that prevents the printer from starting normally.

Can I fix Epson Error Code 000031 myself?

Yes. In many cases, you can resolve the error by:

Performing a power reset
Removing paper jams
Cleaning the encoder strip
Checking the carriage path
Removing foreign objects
Updating the printer firmware

If the problem persists after these steps, professional servicing may be required.

Does Error Code 000031 indicate a paper jam?

Not always. While hidden paper fragments are a common cause, the error can also result from:

Carriage obstructions
Dirty sensors
Scanner lock issues
Timing belt problems
Hardware failures

A complete inspection is recommended.

Why does my Epson printer show Error Code 000031 even when there’s no paper jam?

Small paper scraps, dust-covered sensors, or carriage movement issues can trigger the error even when no visible paper is stuck. Carefully inspect the printer’s interior and clean accessible components.

Can outdated firmware cause Epson Error Code 000031?

Although the error is usually hardware-related, outdated or corrupted firmware can occasionally interfere with the printer’s startup process. Installing the latest firmware from Epson may resolve known software issues.

Is Epson Error Code 000031 covered under warranty?

If your printer is still within the manufacturer’s warranty period and the issue isn’t caused by accidental damage or misuse, Epson may repair or replace the printer according to its warranty policy. Check your warranty status before arranging service.

Which Epson printers commonly display Error Code 000031?

The error has been reported on several Epson EcoTank models, including:

Epson L3210
Epson L3250
Epson L3110
Epson L3150
Epson ET-2800 Series
Epson ET-2850 Series

The exact cause may vary depending on the model.

How can I prevent Epson Error Code 000031?

To reduce the risk of this error:

Clean the printer regularly
Use high-quality paper
Remove paper jams carefully
Keep firmware updated
Avoid forcing the print head carriage
Store the printer in a clean, dust-free environment

When should I contact Epson support?

Contact Epson support if:

The error remains after troubleshooting
You hear grinding or clicking noises
The carriage won’t move
Internal parts appear damaged
The printer won’t complete startup

Professional diagnosis can identify hardware faults that require replacement parts.