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Solved: How do I fix new Epson LX-310 ESC/P dot matrix printer print out characters overlap


I just bought a new Epson LX-310 ESC/P printer. But the print out showing character overlap as image below:

Solved: How do I fix new Epson LX-310 ESC/P print out characters overlap

How could I set to make it print correctly?

Solution 1: Revisit setup guide

It looks like the printer was not setup properly, maybe something did not go well in removing packaging material, or placing the ribbon/cartridge. Refer to the setup guide below especially step 2:

Solution 2: Correct the font setting

The problem is font setting directly at printer buttons. Follow below steps to change the font setting:

Step 1: Press the right button for 3 seconds.

Step 2: Wait for the beep.

Step 3: Use the left button to change the font.

Solution 3: Return printer under warranty

Since it is a new printer, you would be able to return it as it is not printing properly.

Alex Lim is a certified IT Technical Support Architect with over 15 years of experience in designing, implementing, and troubleshooting complex IT systems and networks. He has worked for leading IT companies, such as Microsoft, IBM, and Cisco, providing technical support and solutions to clients across various industries and sectors. Alex has a bachelor’s degree in computer science from the National University of Singapore and a master’s degree in information security from the Massachusetts Institute of Technology. He is also the author of several best-selling books on IT technical support, such as The IT Technical Support Handbook and Troubleshooting IT Systems and Networks. Alex lives in Bandar, Johore, Malaysia with his wife and two chilrdren. You can reach him at [email protected] or follow him on Website | Twitter | Facebook

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