Introduction
This manual provides instructions for the proper use and maintenance of your OCProducts Compatible Ink Replacement for Epson 522 Black Ink Bottle. Please read this manual thoroughly before use to ensure optimal performance and longevity of your product and printer.
Safety Information
- Keep ink bottles out of reach of children.
- Do not ingest ink. If swallowed, seek medical attention immediately.
- Avoid contact with eyes. If ink gets into eyes, flush immediately with water and seek medical attention if irritation persists.
- Store ink bottles in a cool, dry place, away from direct sunlight and extreme temperatures.
- Handle ink bottles carefully to prevent spills.
Package Contents
Verify that all items are present in the package:
- 1 x OCProducts Compatible Black Ink Bottle (70ml)
Compatible Printers
This ink replacement is compatible with the following Epson EcoTank printer models:
- Epson EcoTank ET-2400
- Epson EcoTank ET-2720
- Epson EcoTank ET-2800
- Epson EcoTank ET-2803
- Epson EcoTank ET-2840
- Epson EcoTank ET-4700
- Epson EcoTank ET-4800
- Epson EcoTank ET-4810
Setup: Ink Refilling Instructions
Follow these steps to refill your Epson EcoTank printer's black ink tank:
- Prepare Your Workspace: Place a protective sheet or newspaper under your printer to catch any potential ink spills. Have paper towels ready.
- Access the Ink Tank: Open the ink tank unit cover on your printer. Refer to your printer's specific manual for exact instructions on how to open the ink tank cover and locate the black ink tank.
- Open the Ink Tank Cap: Carefully remove the cap of the black ink tank you intend to refill.
- Prepare the Ink Bottle: Remove the cap from the OCProducts black ink bottle. Do not shake the bottle vigorously.
- Refill the Ink Tank: Invert the ink bottle and insert its nozzle into the printer's black ink tank filling port. The bottle is designed to fit securely and prevent overfilling. Allow the ink to drain completely into the tank. Do not squeeze the bottle.
- Remove the Bottle: Once the ink tank is full or the bottle is empty, carefully remove the ink bottle from the filling port.
- Close the Ink Tank: Securely replace the cap on the printer's black ink tank.
- Close the Printer Cover: Close the ink tank unit cover and any other covers you opened on your printer.
- Dispose of Empty Bottle: Dispose of the empty ink bottle according to local regulations.

Image: The OCProducts compatible black ink bottle (70ml) shown alongside its orange protective packaging. The bottle features a secure nozzle for refilling and is labeled with "NPR-ET522BK Ink" and "FOR USE IN: EPSON ECOTANK ET-2720/4700 BLACK".
Operating
After refilling, your printer should automatically detect the new ink levels. If not, you may need to reset the ink levels manually through your printer's control panel or software. Refer to your Epson printer's user manual for specific instructions on checking and resetting ink levels.
Maintenance
- Ink Storage: Store any unused ink bottles upright in their original packaging in a cool, dark place. Avoid exposing them to direct sunlight or extreme temperatures.
- Print Head Cleaning: If you experience print quality issues such as streaking or faded colors, perform a print head cleaning cycle through your printer's utility software. Consult your Epson printer's manual for detailed instructions on performing maintenance tasks.
- Regular Printing: To prevent ink from drying in the print heads, it is recommended to print at least once a week.
Troubleshooting
If you encounter issues after refilling your ink, consider the following:
- "Low Ink" or "Empty" Warning: Some printers may not immediately recognize the new ink levels. Try resetting the ink levels via your printer's control panel or software. If the issue persists, ensure the ink tank cap is securely closed.
- Poor Print Quality:
- Perform a nozzle check to identify clogged nozzles.
- Run a print head cleaning cycle. You may need to run it multiple times.
- Ensure the correct ink type was used for the black ink tank.
- Ink Leakage: Ensure the ink bottle nozzle was properly seated in the filling port and that the ink tank cap is tightly closed. Clean any spilled ink immediately with a damp cloth.
For more complex issues or error codes, refer to your specific Epson printer's user manual or contact Epson support.
Specifications
| Product Name | OCProducts Compatible Ink Replacement for Epson 522 Black |
| Ink Color | Black |
| Ink Capacity | 70 ml |
| Page Yield | Up to 4500 pages (at 5% coverage) |
| Compatible Epson Series | EcoTank ET-2400, ET-2720, ET-2800, ET-2803, ET-2840, ET-4700, ET-4800, ET-4810 |
| Item Weight | 3.17 ounces |
| Package Dimensions | 6.93 x 4.76 x 1.61 inches |
Warranty and Support
OCProducts stands behind the quality of its products. For information regarding warranty coverage or technical support, please refer to the contact information provided with your purchase or visit the official OCProducts website. Please have your purchase details ready when contacting support.





