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I received a Mutoh VJ1204 large format printer for free, knowing that it was 'broken'. Previous owners didn't want to pay to have it fixed so I figured since I had some technical knowledge, I'd be able to work on it in my spare time. The error I get is "E068: CR Encoder" Knowing that this had...

Ok, all back together, my son repaired the fuses and capacitor since he owns a smartphone repair store and has all the small tools needed. I ran a few cleanings and then a nozzle check and all the inks are showing but as one big line across the media. This makes me think there is disrupted...

This fuse does not have a socket like the others, it's soldered. I've seen the Go Microfuse that has a housing you can solder in it's place and pop in the F2 fuse, might try that. Any ideas about the F3 fuse? -CG

Ok, I've checked all the fuses and capacitors shown in the picture, the F2 fuse does not give tone which leads me to think it's blown. I do have access to a small solder, has anyone replaced this fuse before? can you give pointers? where to get? I've also noticed the F3 fuse is not working...

Thanks much all, will check fuses and capacitor tonight if have the time; don't realize how much you use your printer till its down and out. CG

I appreciate all your suggestions. I'm not to the point of getting a print head yet until I confirm all other possible issues that would affect it. As for capacitors, I do not know where they are or how to check them; and how do you tell if the fuse is permanent, seems a poor choice to have a...

Thanks HSG, didn't know I could use that. How would I get back behind the heat sink to check it while it's running, do I need to remove other shields; still a small space, suggestions?

That's a good idea Floater, I'm waiting to see if the print cables may change anything. Do you know about the fuses?

Thanks so much for your info, I've had the main board out and found the fuses but couldn't tell if they were blown or not; was going to buy a neon screwdriver tester to check them, any other ideas on how to check a fuse would be appreciated. I'm ordering new print head cables and fuses waiting...

All back together, inks flowing and draining but no printing. Ideas? CG

Ok, all is back together. Cleaning goes great, ink draining and flowing through lines. Only problem, nothing will print; any ideas from someone who's been there? If cleaning is going good, I'd expect ink to flow through the print head. Does the print head itself have a pump that pushes the ink...

Where did you find the info on the fuses? I have all books on the Mutoh but can't find that section. -Carolina Girl

Thanks for all the info, I'm cleaning the print head completely and will be putting it back together. Then I'll use the ink fill setting to see if the ink will move at all, cleaned about every part to deduct the problem; hopefully I won't need the whole MS, maybe after this just replacing the...

Thanks Floater302, will try that. Got a new cap in from LavaPrint and it doesn't seem to be the right size to cover the print head, run a head cleaning and it doesn't pull any ink at all. Does anyone know if and/or where any fuses would be that would affect the print head? May check those...

I've been running cleanings and checking out my dampers, it seems my yellow is turning green; how is that possible? Where could the cross contamination be coming from? I just don't get it. Anyone else run into this issue? My guess is it crossed over when I left a solution soaked cloth under...

Hello all, having print problem with my Mutoh VJ1204 recently and here's the run down. 1. Stopped printing blue at first. 2. ran head wash, replaced all dampers, inks running through lines fine. 3. did a slight pressure test through the print head and all inks are going through. 4. flushed...

Thanks RG, Got all sides off my Mutoh at this point, am able to remove part now but waiting for new part arrival. Not much allowance for adjustment on the cap, but hopefully new part will work fine. I appreciate all the info on removing said part, will update when new part is installed. I...

How to align or replace cap on MS, Mutoh VJ 1204 Hello all, have a little (big) problem with my Mutoh VJ1204 recently and here's the run down. 1. Blue ink printing only 2. ran head wash, replaced all dampers, inks running through lines fine. 3. did a slight pressure test through the print head...

Valuejet 1204, ink dump Are you open for other questions regarding you advice above?

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