401MC873dn

OKI MC873dn error 401: Internal memory failure

The OKI MC873dn error 401 is a system warning that the RAM is unable to handle the complexity of a sent print job. Users often ask why does my OKI MC873dn show error 401, which usually happens with high-resolution graphics. To resolve this, simplify the print job or perform a memory buffer reset.

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Common causes

  • 1Heavy print files exceeding RAM.
  • 2Driver conflicts.
  • 3Faulty internal RAM.
  • 4Multiple simultaneous print jobs.

Solutions

Quick Diagnostics

Error 401 signifies memory saturation. If it happens on specific files, those files exceed the printer's buffer limit.

Step-by-Step Solution

  1. Power Off: Disconnect power to clear RAM.
  2. Clear Queue: Cancel all pending jobs.
  3. Simplify: Print lower-resolution versions.
  4. Reset: Reboot and test with a simple document.

Prevention and Maintenance

Update firmware regularly. Avoid massive print queues.

When to Call a Technician

If the error occurs with simple text, the internal RAM module may be faulty.

Technical Specifications

  • Technology: LED Digital.
  • Speed: 35 ppm.
  • Connectivity: Gig Ethernet, USB.
  • Capacity: 2,005 sheets.
  • Compatible Consumables: 458628xx series toner.
  • Recommended Usage: Office work.
  • Official Drivers/Firmware

Steps to follow

  1. 1

    Hard shutdown

    Turn off the printer and disconnect power for 5 minutes.

  2. 2

    Clear peripherals

    Disconnect any USB flash drives.

  3. 3

    Factory reset

    Try a soft reset from the system menu if the error persists.

Frequently asked questions

Error 401 means the internal memory is overwhelmed or unable to process the print job queue.

Usually not; complex print jobs often cause this saturation.

Use OKI 458628xx series. Keeping firmware current avoids these system conflicts.

Send smaller print batches or compress heavy PDF files before printing.