COMMUNICATION ERROROKI ML1120

Fix OKI ML1120 Communication Error: Connection Guide

The communication error on the OKI ML1120 means the computer cannot send data to the printer successfully. This is often caused by bad cabling, wrong port settings, or outdated printer drivers. Following these steps will help you re-establish a stable link.

1 views

Common causes

  • 1Low-quality or excessively long USB cable.
  • 2Incorrect port selection in Windows settings.
  • 3Corrupted driver after OS update.

Solutions

Physical Check

  1. Ensure the data cable is securely seated.
  2. Replace the USB cable with a new, certified one.
  3. Use a different USB port on your workstation.

Software Setup

  1. Reinstall the official OKI printer driver.
  2. Confirm in Windows settings that the correct port is selected.
  3. Clear the print spooler to remove corrupted jobs.

Steps to follow

  1. 1

    Check connections

    Unplug and reconnect the USB cable at both ends.

  2. 2

    Clear spooler

    Clear all stuck jobs from the Windows Print Queue.

  3. 3

    Test print

    Run a Windows Test Page to verify connectivity.

Frequently asked questions

Yes, cables over 3 meters (10ft) can result in data packet loss.

The official driver ensures stable communication compared to generic system drivers.

It is rare, but test with another PC to rule out a motherboard fault.