e-04-error-cuchillaTM-T70

Error E-04 Epson TM-T70: How to fix the paper cutter

Epson TM-T70 POS error E-04 occurs when the auto-cutter mechanism encounters an obstruction. Understanding why does my Epson TM-T70 show error E-04 is essential to maintain workflow efficiency. This issue often arises after a paper jam or from debris buildup.

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Common causes

  • 1Debris buildup in the cutting path.
  • 2Misalignment of the cutter gear.
  • 3Worn-out cutter blade edge.
  • 4Using paper outside standard specs.

Solutions

Quick Diagnosis

The E-04 error is characterized by a sudden stop and flashing LED lights. Ensure this isn't simply a 'paper out' notification.

Step-by-step Solution

  1. Power off the printer completely.
  2. Open the printer cover and remove the roll.
  3. Inspect the cutting blade for jammed paper remnants.
  4. Clean the area gently and close the cover securely.

Prevention and Maintenance

Avoid using excessively thick thermal paper. Perform regular cleaning of the cutter path with compressed air.

When to call a technician

If the error persists after cleaning and the blade doesn't return to the home position, the motor may be faulty.

Equipment Technical Data

  • Technology: Direct Thermal Printing
  • Speed: Up to 250 mm/s
  • Connectivity: USB, Ethernet, Serial
  • Feed Capacity: 80mm Thermal paper
  • Compatible consumables: 80x80 thermal roll
  • Recommended use: High-volume retail
  • Official drivers / firmware

Steps to follow

  1. 1

    Power off

    Unplug the printer from the power source to prevent gear damage.

  2. 2

    Open cover

    Press the cover release button to access the paper bay.

  3. 3

    Clear jam

    Remove any paper scraps obstructing the cutting mechanism.

  4. 4

    Restart

    Close the cover and power on the device.

Frequently asked questions

This code signifies that the auto-cutter mechanism is jammed due to paper residue or mechanical wear.

It is a common operational error. If cleaning doesn't help, the cutter might need replacement.

Use standard 80mm thermal paper rolls to avoid jams.

Clean the area whenever you replace the paper roll to keep debris out.