Fixing Epson EcoTank Error E02:100016 — Scanner Cable Issues and How to Resolve Them

Question:

Why does my Epson EcoTank keep showing Error E02:100016 (Scanner Error) after I cleaned and reseated the FFC cable? It worked the first time, but the error came back after the cable slipped out again.

Answer:
Understanding Epson EcoTank Error E02:100016

This error—E02:100016 (Scanner Error)—typically signals a communication breakdown between the scanner module and the mainboard. One common and critical reason this happens is due to issues with the FFC (Flat Flexible Cable) connection between the scanner and the control board.

From what you've described, you previously resolved the issue by cleaning and reinserting the FFC cable, but the error has returned. This pattern strongly suggests that:

1. The FFC cable is not making consistent contact, likely because it has partially or fully slipped out again.

2. The cable may have been damaged—even slightly—during the reinsertion process. FFC cables are fragile and can develop micro-tears, broken traces, or bent contact pads if not handled with great care.

3. The connector housing (ZIF connector) may be loose or no longer provide a firm hold, especially if it has been opened and closed multiple times.

What to Check and Do Next

Here are a few key troubleshooting steps:

1. Inspect the FFC Cable Thoroughly

• Remove the cable entirely from both ends.

• Check for visible signs of wear—look closely for:

  • Burnt marks

  • Bent or dirty contact fingers

  • Any kinks or tears in the ribbon

If any damage is observed, replace the FFC cable with an identical model, which is usually available online or through printer part resellers.

2. Clean the Contacts

• Use a soft, lint-free cloth and isopropyl alcohol (at least 90%) to gently clean the metal contacts on the cable.

• Allow them to dry completely before reinserting.

3. Reinsert Carefully

• Ensure the cable is fully seated in the connector. A partially inserted cable can still establish partial contact, which may temporarily resolve the error but cause it to recur soon after.

• If the ZIF connector has a latch, ensure it's firmly closed after reinsertion.

4. Secure the Cable

• Use tape or a stabilizer if needed to prevent the cable from shifting due to printer vibrations or lid movement.

5. Power Cycle and Test

• Unplug the printer for 30 seconds.

• Plug it back in and turn it on. The error should clear if the cable is seated correctly and undamaged.

Video Resource

You mentioned following our video: Epson Scanner Cable Fix (https://www.youtube.com/watch?v=BTKtdRAHLxA). That video is still a great reference, but if the error returns repeatedly, it's likely time to examine a new cable or check the connector's grip.

Addressing printer issues can be a complicated affair due to the hands-on nature of the problems. So, we're not able to provide remote troubleshooting, suggestions, or support for printer repairs. We offer an in-person evaluation and repair service via our local diagnostic facility (https://bchtechnologies.com/printer-repair-service). Given the high demand, we operate on a first-come, first-served basis. So, it might take a few weeks before we can get your printer to drop it off. Our services are structured to repair either a whole printer or specific parts, with clear instructions on how to proceed. However, we acknowledge that our rates aren't the most economical. Thus, we highly recommend that you resort to self-help via online research. You can start by checking out YouTube or visiting our YouTube channel’s homepage (https://youtube.com/@bchtechnologies). Look for specific videos using the search icon next to “About” on the right-hand side of the menu bar. I receive dozens of queries every day asking about videos for specific topics. Having created videos over the past nine years, it’s challenging to remember every single one. Therefore, using YouTube’s search function would be most efficient. Plus, YouTube might suggest relevant videos from other channels that could assist you.

Thanks again for contacting us and for being a part of the BCH Technologies community. Your attention to detail and willingness to troubleshoot help move the whole DIY printer repair space forward!