1. Introduction
This manual provides essential instructions for setting up, operating, maintaining, and troubleshooting your EPSON EcoTank M3140 A4 4-in-1 Monochrome Printer. Please read this manual thoroughly before using the product to ensure correct and safe operation.
2. Product Overview
The EPSON EcoTank M3140 is a versatile 4-in-1 monochrome printer designed for efficient document printing. It features an integrated ink tank system, Wi-Fi connectivity, an LCD screen, and an Automatic Document Feeder (ADF) for enhanced productivity.

Figure 2.1: Front view of the EPSON EcoTank M3140 printer, showing the control panel, ADF, and paper output tray.
3. Setup
3.1 Unpacking
- Remove the printer from its packaging.
- Remove all protective tapes and packing materials from the exterior and interior of the printer.
- Place the printer on a stable, flat surface.
3.2 Power Connection
- Connect the power cord to the printer's power input.
- Plug the other end of the power cord into a grounded electrical outlet.
- Press the power button to turn on the printer.
3.3 Ink Filling
The EcoTank M3140 uses an integrated ink tank system. Follow these steps to fill the ink tank:
- Open the ink tank cover on the printer.
- Uncap the black ink bottle.
- Insert the ink bottle into the corresponding ink tank opening. The ink will automatically fill the tank.
- Once the tank is full, remove the bottle and recap it. Close the ink tank cover.

Figure 3.1: Illustration of the ink refilling process for the EcoTank system.
3.4 Software Installation
- Insert the software CD-ROM into your computer's drive, or download the latest drivers and utilities from the official Epson support website.
- Follow the on-screen instructions to install the printer drivers and utility software.
3.5 Network Connection (Wi-Fi)
- On the printer's LCD screen, navigate to the Wi-Fi setup menu.
- Select your wireless network (SSID) from the list.
- Enter your network password (WPA/WPA2 key) using the on-screen keyboard.
- Confirm the connection. The Wi-Fi indicator on the printer should illuminate steadily once connected.
4. Operating Instructions
4.1 Loading Paper
The printer supports various paper sizes, including A4. To load paper:
- Pull out the paper cassette from the front of the printer.
- Adjust the paper guides to match the width of your paper.
- Load the paper stack print-side down into the cassette. Do not overload.
- Gently push the paper cassette back into the printer until it clicks into place.

Figure 4.1: Proper loading of paper into the printer's paper cassette.
4.2 Basic Printing
- Ensure the printer is powered on and connected to your computer or network.
- Open the document you wish to print on your computer.
- Select 'Print' from the application's menu.
- Choose the EPSON M3140 as your printer and adjust settings (e.g., paper size, number of copies).
- Click 'Print'.
4.3 Copying
The M3140 can copy documents using either the flatbed scanner or the Automatic Document Feeder (ADF).
- Using the Flatbed: Place the document face-down on the scanner glass, aligning it with the corner mark.
- Using the ADF: Load multiple pages face-up into the ADF input tray.
- On the printer's LCD screen, select 'Copy'.
- Adjust copy settings such as number of copies, paper type, and quality.
- Press the 'Start' button to begin copying.

Figure 4.2: The printer's LCD control panel, used for selecting functions like Copy, Scan, and Fax.
4.4 Scanning
- Place your document on the scanner glass or in the ADF.
- On the printer's LCD screen, select 'Scan'.
- Choose your scan destination (e.g., computer, cloud service) and adjust scan settings.
- Press the 'Start' button to begin scanning.
4.5 Faxing
- Load the document(s) into the ADF or place a single document on the scanner glass.
- On the printer's LCD screen, select 'Fax'.
- Enter the recipient's fax number.
- Press the 'Start' button to send the fax.
4.6 Duplex Printing
The M3140 supports automatic double-sided printing. To use this feature, select the duplex printing option in your printer driver settings before sending a print job.
5. Maintenance
5.1 Ink Refilling
When the ink level is low, the printer will notify you. Refer to Section 3.3 for detailed ink refilling instructions. Use only genuine EPSON ink bottles for optimal performance and to prevent damage.
5.2 Cleaning the Print Head
If print quality declines (e.g., missing lines, streaking), perform a print head cleaning:
- From the printer's control panel, navigate to 'Maintenance' or 'Setup'.
- Select 'Print Head Cleaning' or 'Nozzle Check'.
- Follow the on-screen prompts. You may need to perform this process multiple times.
5.3 Cleaning the Scanner Glass
Dust or smudges on the scanner glass can affect scan and copy quality. Wipe the scanner glass and the ADF glass strip with a soft, lint-free cloth dampened with a mild glass cleaner. Do not spray cleaner directly onto the glass.
5.4 Paper Jam Resolution
If a paper jam occurs, the printer's LCD screen will display an error message. Carefully open the printer covers and remove any jammed paper, pulling it gently in the direction of the paper path. Ensure no torn pieces of paper remain inside the printer.
6. Troubleshooting
This section addresses common issues you might encounter with your EPSON EcoTank M3140.
6.1 Printer Not Responding
- Check if the printer is powered on and properly connected to the computer or network.
- Verify that the correct printer is selected in your application's print dialog.
- Restart both the printer and your computer.
6.2 Poor Print Quality
- Check ink levels and refill if necessary.
- Perform a print head cleaning and nozzle check (refer to Section 5.2).
- Ensure you are using appropriate paper settings for your print job.
6.3 Wi-Fi Connectivity Issues
- Ensure your Wi-Fi router is functioning correctly.
- Re-enter your Wi-Fi password on the printer's control panel.
- Move the printer closer to the wireless router to improve signal strength.
For more detailed troubleshooting, refer to the comprehensive online support resources available on the official Epson website.
7. Specifications
| Feature | Specification |
|---|---|
| Print Media | Paper (plain) |
| Scanner Type | Flatbed |
| Maximum Sheet Capacity | 100 |
| Compatible Devices | Smartphones (Android, iOS) |
| Paper Size | A4 |
| Maximum Black and White Print Resolution | 200 dpi (implied from context, often higher for actual print) |
| Dual-sided Printing | Yes (Automatic Duplex) |
| Product Dimensions | 41 x 41 x 43.2 cm |
| Item Weight | 9.13 Kilograms |
| Connectivity Technology | Wi-Fi |
| Printer Technology | Ink Tank |
| Special Features | Auto-Duplex, ADF, LCD Screen |
| Printer Output | Monochrome |
8. Warranty and Support
8.1 Warranty Information
The EPSON EcoTank M3140 comes with a one-year or 100,000-page warranty, whichever comes first. Please retain your proof of purchase for warranty claims. The warranty covers defects in materials and workmanship under normal use.
8.2 Customer Support
For technical assistance, product registration, or to find authorized service centers, please visit the official Epson support website or contact Epson customer service in your region. Support resources often include FAQs, driver downloads, and troubleshooting guides.





