e-40HL-4150CDN

Fix Brother HL-4150CDN Error E-40: Quick Troubleshooting Guide

The Brother HL-4150CDN error E-40 is a system warning triggered by memory overflow when handling large files. Many users ask why does my Brother HL-4150CDN show error E-40?, which typically points to the printer's limited RAM capacity being exceeded by the print job complexity. This technical fault can be resolved by clearing the device memory and rebooting the system.

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Common causes

  • 1Insufficient RAM due to complex print job data.
  • 2Communication errors between the driver and printer.
  • 3Hardware wear on internal DIMM memory slots.
  • 4Data corruption during file transfer process.

Solutions

Quick Diagnosis

The E-40 code appears as an blinking alert when the internal buffer is full. If printing simple documents also fails, it may indicate a memory DIMM hardware fault.

Step-by-step Solution

  1. Disconnect the power cord from the wall outlet.
  2. Wait for at least 30 seconds to dissipate static electricity.
  3. Hold the power button to fully discharge internal components.
  4. Reconnect and power on the unit to check for error resolution.

Prevention and Maintenance

Avoid high-density graphics or massive PDF files in one job. Regularly verify firmware updates to improve memory handling efficiency.

When to call a technician

If the error persists after a hard reboot, internal RAM components may be faulty and require professional replacement.

Device Specifications

  • Technology: Color Laser
  • Speed/Yield: 25 ppm
  • Connectivity: USB 2.0, Ethernet 10/100Base-TX
  • Input capacity: 250 sheets standard
  • Compatible toner: TN-310/TN-315 series
  • Recommended usage: Small office/workgroup
  • Drivers / Official firmware

Steps to follow

  1. 1

    Power cycle

    Unplug the power cord for 30 seconds to clear the system cache.

  2. 2

    Check file size

    Verify if the print job is too complex for the printer's current memory capacity.

  3. 3

    Restart unit

    Reconnect the unit and attempt a smaller print job to confirm the fix.

Frequently asked questions

This error occurs when the printer's RAM cannot process the print job sent due to its excessive size or complexity.

It is not critical; it is a temporary overflow alert usually solved by restarting the device.

This printer uses the TN-310 or TN-315 series high-yield toner cartridges.

Keep the printer firmware updated and avoid sending high-resolution vector files.

Fix Brother HL-4150CDN Error E-40: Quick Troubleshooting Guide | Vimazdev