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Check to see if there is any play in the cut carriage. I recently fixed a cutter that was cutting horribly and it was simply the guide roller mechanism on the top having some play. Snugged it up and it was cutting perfectly. I would also clean the guide rollers and guide tracks, as a maintenance...

FYI, to get into service mode after the upgrade will require Peck2 software and Roland tech account credentials.

How did your repair go?

netsol, Sounds like you had a bad experience. Care to elaborate?

Those are difficult images to use to evaluate your issue. Please use the attached file and print and post pics. Many things can be evaluated with this image - color, alignment, etc. Print it in both uni & bidirectional please. We need more info on your rip settings - print resolution, heater...

Then it appears I stand corrected, at least as far as Epson cartridges go.

Holy cow, that is some serious shaking.

Concerning Marabu ink, I ran sublimation ink in both 5 Epson and 4 Mutoh printers and SS21 inks in 6 Mimaki printers for several years without a single issue. This was on printers that were running around 18 hours a day.

This thread will give you my experience and thoughts on recovering printheads. https://signs101.com/threads/roland-sp-540i-printhead.160842/#post-1494388

Rocking gently back and forth is best. Shaking can introduce microbubbles in the ink, which may take some time to completely dissipate. These microbubbles can travel to the printhead and cause nozzles to drop out, making you think you have some kind of parts problem, when it is just air bubbles...

Not sure which of the nozzle tests in that whole string posted in the last pic is the last one. Please post a single pic of the current nozzle test. Only use Roland OEM caps. Anything else is a crap shoot. I know from experience, having been burned by aftermarket caps. You also want to make sure...

Concerning the head rank, when you get to the dots, you can change them to numbers and characters. This may allow you to use the head. However, how well the head prints is unknown. You will also need to change the manifold to a solvent manifold and be sure to clear any water based ink out of the...

If the last posted pic is the most recent, I'm still concerned about head damage. Can you take a clear well light pic of the bottom of the print heads please? You will need to do alignments with new print heads. Which Digiprint, as there are several, some OK, others not so much. Perhaps a link...

You should check the output transistors on the headboard. They are the transistors mounted to the big heatsinks. Read the outer 2 legs of each transistor, they should read around 42 ohms. They are marked as C4131 & A1746. Most likely you are going to find one or more are shorted and this will...

Nate, To be clear, you are reading 0 ohms on the transistor circled in the picture, correct? If so, that is a short, not an open, and will continue to blow the fuses until it is replaced. Once it and the fuse are replaced, you will be able to determine if the printhead is ok. If the fuse blows...

Rasterlink profiling can only be done with Mimaki Profile Master software, which is specific only to Mimaki and is around $2800. Depending upon how important the 3 printers color match each other and how many profiles you need, Onyx and an i1 Pro2 or i1 Pro3 might be a better long term option...

Agree it could be a dirty section of the encoder strip. I prefer acetone instead of alcohol. You will need gloves, a clean microfiber cloth and acetone. Yes, acetone... It will not damage the encoder strip in any way. 91% alcohol is ok, but doesn't get all the ink off. NEVER use alcohol less...

It would be helpful to post in English, so you have a larger pool of users to help you.

If I remember correctly, the grooves in the bracket fit the "flanges" on the cut and print carriages where they connect magnetically. If you position the bracket correctly, the slot in the bracket will line up with a corresponding hole in the frame, either the platen or the head carriage frame...

On the road today. Please call me. 561-441-6658.