u1-2320Phaser 3155

Xerox Phaser 3155 Error U1-2320: Troubleshooting Guide

The Xerox Phaser 3155 error U1-2320 represents a critical failure within the thermal fuser assembly. This notification triggers when the fuser cannot reach its required operating temperature, halting all printing activity. Troubleshooting the U1-2320 error on the Xerox Phaser 3155 involves checking for overheating signs or physical obstructions in the paper path.

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Common causes

  • 1Failing fuser thermistor due to prolonged heat stress.
  • 2Paper obstruction in the fuser unit.
  • 3Voltage instability causing heating element failure.
  • 4Excessive wear on the fuser pressure rollers.

Solutions

Quick Diagnostics

The U1-2320 error is signaled by a steady red light on the control panel. If you notice a clicking noise combined with this error, it strongly suggests a mechanical fuser failure.

Step-by-Step Solution

  1. Power Down: Disconnect the power cord for 10 minutes to reset the internal thermal sensors.
  2. Inspect Path: Open the back door and verify that no paper debris is blocking the rollers.
  3. Direct Power: Connect the printer directly to a wall outlet instead of a power strip to ensure stable voltage.
  4. System Reset: Power on the device and initiate a test print command.

Prevention and Maintenance

Avoid high-volume continuous printing without adequate cooling breaks. Regular cleaning of the internal sensors helps maintain optimal performance. Use original toner cartridges to prevent excessive dust accumulation.

When to Call a Technician

If the error persists after a full power cycle or if physical damage to the fuser rollers is observed, professional repair is required.

Device Technical Specifications

  • Technology: Monochrome Laser
  • Print Speed: 24 ppm
  • Connectivity: USB 2.0
  • Paper Capacity: 250 sheets
  • Consumable: 106R01413 series
  • Usage: Small office
  • Official Drivers / Firmware

Steps to follow

  1. 1

    Power down

    Turn off the printer and unplug it for 10 minutes to allow the fuser thermistor to cool down.

  2. 2

    Check for debris

    Open the rear door to ensure no paper bits are stuck in the fuser rollers.

  3. 3

    Reboot

    Plug the unit directly into a wall outlet and power it on.

Frequently asked questions

This code indicates a thermal issue in the fuser unit, often caused by overheating or a failing sensor.

Yes, it is a hardware-level error that requires immediate attention as it stops all printing tasks.

The Phaser 3155 uses the 106R01413 toner series.

Regularly clean the paper path and ensure proper ventilation to extend the fuser's lifespan.

Xerox Phaser 3155 Error U1-2320: Troubleshooting Guide | Vimazdev