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I see, I’m cleaning and cleaning, so far no results, so far it seems to be permanent or atleast persistent. But I’ll keep going 😁

Hm, my theory is that my fiddling around with cables and connections with multiple power offs and ons might have done something with the eeprom on the print head, so i want to take a Peek at it to see if there is any lockouts activated in its programming. the printer works fine i think… if i...

Thank you for your input, the printer was kind of messy and full of hairs/dust which is why I decided to open it up and clean it in the first place. I could not get it all out but I managed to get it in OK condition. I also just found another problem, something on the peristaltic pump from the...

Haha, well i was getting into some hesitation around all of this, thinking i put a LOT of time into it already. That and i could only find the printhead new from the local canon service partner here in europe for like €250 and that would already have paid for 1/3 of the Pro 310 🤔 Did not know...

Hm, yeah I’m leaning towards the print head. The printer boots up fine if I take it out, and if I put it in when booted it gives me 10 blinks again. I’m gonna go ahead and try to clean the print head with a water soak on the lower side. If that doesn’t work i guess I’ll have to reward myself...

Guess what... error B200 :oops:

Update: EEPROM analysis and patching attempt Hooked up the RPi 3B+ to IC402 (S-25A320A SPI EEPROM, 4KB) using a SOIC8 test clip and got a clean read. Two consecutive reads matched SHA256, dump verified. Initial analysis was confusing, I couldn't find the serial number, couldn't find any...

Here's just that part: Update: After analyzing several EEPROM dumps from related Canon models (MG2410, MG2440, e402) I can now confirm a consistent structure across the entire Canon inkjet lineup. The K value from the device ID string appears as literal ASCII at offset 0x0216 in every dump...

So far no success. Its doing the same as before and i get error 006. In the “4-blink” service mode it prints nozzle and alignment tests without hesitation when you hold the stop button and wait for blink confirmation.

Yes, i agree. Lets hope you suddenly remember! Thank you, I really appreciate it.

Thank you for this very extensive explanation. I have not yet tried anything more, I’ll stay with the highest version that I’ve got. Im going to give it another go tonight, maybe you are correct. If this is the case I guess I’ll sell the working printer head and scrap the rest. Then I’m going...

Thank you, I have tried this with ST 5103 and I even bought a copy of 6310 all they do is give me error 006... as I am a technician by trade I logged the whole session using sub-cap with only listens on the USB session and outputs a log and then analyzed it with Wireshark. I can see that the...

Thank you, but I’m not sure I understand how that would help. Seems to be mostly about dis/re-assembly. I think I need to sync the internal clock or something as I have error 6700. So far I have not managed. Saw something in that thread though about my “neighbor” in Denmark @PeterBJ being the...

Hi everyone, New member here from Sweden. I work in technical infrastructure and have spent many years troubleshooting electronics, networks and hardware, so I tend to enjoy fixing things that other people have given up on. Apparently that now includes photo printers. I joined mainly because...

@Emt Hey! I have a Maxify GX4050 and I’m really happy with it, it prints stickers, documents, printable htv for shirts, I’ve done some fine art stuff and it turned out pretty good, even manages ok on photos! It’s not on the same level as the real pigment photo printers but it’s really great...

Hi everyone, I recently was given a used Canon PIXMA PRO-10S and have been trying to restore it. I have experience repairing electronics and network equipment, so I’ve approached this methodically, but now I’ve hit a wall and would really appreciate expert guidance. Background The printer is...