Troubleshooting Epson LQ-Series and LX-Series Printers Unable to Print

 

Encountering issues with printing on Epson LQ-Series and LX-Series printers has been a recent concern for many individuals, including myself. Just a few days ago, my Epson LQ-310 Dot Matrix and Epson LX-310 Dot Matrix printers suddenly refused to print invoices. This issue arose unexpectedly; yesterday morning, they were functioning correctly, but by afternoon, they encountered errors and ceased printing altogether. Despite my attempts to reinstall drivers, change cables, and even conduct test prints on other computers, the problem persisted.

Curious, I conducted a test print on another computer, as these printers belong to the office, providing me with multiple testing options. Surprisingly, the issue didn't manifest when I printed from the third computer. Returning to the first and second computers, I endeavored to pinpoint the problem. It became apparent that checking for Windows updates was crucial. Although I updated Windows, the issue remained unresolved.

Affected Printer Types:

Numerous printer models may face printing issues due to Windows updates. It's essential to note that the problem doesn't lie with the printers themselves but with automatic updates on the computers. The following printer models are among those affected:

- Epson LQ-300

- Epson LQ-300+ II

- Epson LQ310

- Epson LQ2180

- Epson LQ2190

- Epson LQ730K

- Epson LX300

- Epson LX310

Cause of Epson LQ and LX Printers Refusing to Print:

The primary cause of this issue is Windows Update. Some computers may have this feature enabled, leading to the sudden inability to print on dot matrix printers following the update on November 16, 2017. This issue affects various OS versions, including Windows 7, Windows 8, and Windows 10.

Solution for Epson LQ and LX Printers Unable to Print:

Windows 7

1. Click Start > Type cmd (command prompt) > Right-click > Run as administrator.

2. Enter the following code or copy/paste it:

   wusa /uninstall /kb:4048957 /quiet /warnrestart

3. Press Enter.

4. Wait for a few seconds/minutes until a notification appears, indicating that the computer will shut down in a few minutes.

5. Restart the computer.

Windows 8

1. Click Start > Type cmd (command prompt) > Right-click > Run as administrator.

2. Enter the following code or copy/paste it:

   wusa /uninstall /kb:4048958 /quiet /warnrestart

3. Press Enter.

4. Wait for a few seconds/minutes until a notification appears, indicating that the computer will shut down in a few minutes.

5. Restart the computer.

Windows 10

1. Click Start > Type cmd (command prompt) > Right-click > Run as administrator.

2. Enter the following codes one by one or copy/paste them:

   wusa /uninstall /kb:4048952 /quiet /warnrestart

   wusa /uninstall /kb:4048953 /quiet /warnrestart

   wusa /uninstall /kb:4048954 /quiet /warnrestart

   wusa /uninstall /kb:4048955 /quiet /warnrestart

3. Press Enter after each code.

4. Wait for a few seconds/minutes until a notification appears, indicating that the computer will shut down in a few minutes.

5. Restart the computer.

Note:

For Windows 10, this process needs to be repeated four times, requiring multiple computer restarts.

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