e-04expression-et-4700
Epson Expression ET-4700 error E-04: Ink System Fix
The Epson Expression ET-4700 error E-04 signifies a problem within the ink supply system. This error commonly appears when air enters the ink tubes or when tank levels drop dangerously low, forcing the printer to halt to protect the print head. This guide provides instructions on resolving this error through an ink system charge.
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Common causes
- 1Empty ink tanks
- 2Air bubbles in system
- 3Clogged ink tubes
- 4Pressure loss in reservoir
Solutions
Diagnóstico rápido
If you see E-04, check the ink reservoir levels. If levels are okay, look at the transparent ink tubes; if they appear empty or have air bubbles, you need to perform an ink charge.Solución paso a paso
- Check ink: Verify tank levels are above minimum.
- Ink charging: Select ink charging from the maintenance menu.
- Wait: Allow the system to clear air bubbles (up to 20 minutes).
- Verify: Run a nozzle check.
Prevención y mantenimiento
Keep ink levels filled; never run the printer dry. Use original Epson 504 ink for the best longevity.Cuándo llamar a un técnico
If multiple ink charges fail to clear the error, the print head or internal pump may require professional attention.Ficha técnica del equipo
- Technology: EcoTank
- Speed: 33 ppm
- Connectivity: Wi-Fi, Ethernet
- Compatible Consumables: 504 series
- Recommended Use: Office
- Official drivers / firmware
Steps to follow
- 1
Check ink
Verify tank levels are above minimum.
- 2
Ink charging
Select ink charging from the maintenance menu.
- 3
Wait
Allow the system to clear air bubbles.
- 4
Verify
Run a nozzle check.
Frequently asked questions
The E-04 code suggests air in the ink tubes or critically low ink levels.
Yes, by running the ink charging utility in the printer settings.
Always use Epson 504 series ink bottles.
Ensure you refill the ink tanks before they reach the bottom line.