Fix Epson EcoTank L4160 W-04 Paper Size Error
The W-04 warning on the Epson EcoTank L4160 indicates a mismatch between the paper size/type detected in the tray and the settings defined in your print software. This is a common configuration error rather than a hardware defect. Following a few simple adjustments will restore your printing workflow.
Common causes
- 1Driver settings mismatch with physical paper size.
- 2Paper guides in the tray are too loose.
- 3Printer hardware is configured for a different region standard (A4 vs Letter).
Solutions
Control Panel Setup
- Press the 'Home' button on your printer.
- Navigate to 'Paper Size' settings.
- Choose the size that matches the paper currently in the tray.
Software Settings Check
- Open 'Printing Preferences' on your computer.
- Ensure the selected paper size matches your document requirements.
- Click 'Apply' and retry the print job.
Steps to follow
- 1
Check Paper Tray
Ensure the paper guides are snug against the edges of the paper stack.
- 2
Sync Settings
Update the printer's internal paper settings to match the loaded media.
- 3
Retry Print
Submit the document from your computer with the updated size settings.
Frequently asked questions
It usually recurs because the default settings on your PC are different from the printer's specific tray settings.
Most models require this check to prevent printing errors, so it cannot be permanently disabled.
Align the paper against the right-hand guide and slide the left guide to touch the edge, ensuring no bending occurs.