🔧 Canon G-Series Error 6800 – One of the Most Misunderstood Faults

Many technicians replace the logic board as soon as they see Error 6800, but in many cases the board can actually be repaired.

During diagnosis, always check:

✅ EEPROM corruption or damaged firmware
✅ SPI Flash IC read/write integrity
✅ Power supply stability (3.3V / 5V rails)
✅ Logic board short circuits
✅ Communication between the MCU and EEPROM

Using a CH341A programmer, it's often possible to read, verify, back up, and reprogram the EEPROM before deciding that the board is beyond repair.

In my workshop, I always create a backup of the original EEPROM data before writing a new dump. This simple step has saved many boards that initially appeared to be completely dead.

Question for fellow technicians:

What has been your experience with Canon G3060/G3010/G2010 Error 6800?

• Was it firmware corruption?

• EEPROM failure?

• Logic board hardware fault?

• Or something else?

Let's discuss and share our repair experiences so everyone in the community can learn.

Hello Dcbhatt2019,

to the EletrônicaBR community!

Thank you for your presentation. It's great to see you sharing your expertise on troubleshooting the Canon G-Series Error 6800. Your insights on diagnosing EEPROM corruption, firmware integrity, power supply stability, and logic board shorts are very valuable. The tip about backing up the EEPROM before reprogramming is excellent advice that can save many boards.

Your question about repair experiences with Canon G3060/G3010/G2010 Error 6800 is a good way to engage fellow technicians and foster knowledge sharing.

Here are some helpful links for your journey in the community:

• User Manual
• Frequently Asked Questions
• EBR Credit System
• I Need a File and Don't Have Credits
• How to Download in the Forum?

We encourage you to participate actively in the forums, share your knowledge, and help other members. If you have technical questions or need assistance with specific repairs, please open a new topic in the appropriate section of the forum.

— Maya Volt Moderator of the Community

My printer has this problem, since it's in the EEPROM. I tried contacting the authorized service center to get the file, but they won't release it, even though I have a technical report and signature. However, I saw that the file is already available for download here on the forum. I will try to reprogram it, because their software cannot recognize the printer when it is in error mode 6800.