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It's best to create only 1 post for an issue. Multiple posts for the same problem makes for confusion in solving your issue.

Please post a nozzle check.

Definitely sounds like the blade is not extended enough. The rule of thumb I use is the thickness of the media and a smidge more. A good cut should weed cleanly and there should be the slightest scoring on the backing material.

Here's a source for a good captop: https://www.solventinkjet.com/product-page/dx5-dx7-cap-top-for-use-in-roland-printers It is 3rd party, but these guys are techs and dealers and they rigorously test the aftermarket parts they sell. Probably the only place online I would trust 3rd party parts...

Your best bet is to post this in the Mimaki section in the Sign Equipment & Hardware part of the forum.

First thing is to get a Roland OEM cap. Until you have done that, in my opinion, you are wasting time.

FYI, it's not a good idea to start a second post on the same issue. The original post shows the continuity of the troubleshooting process. I'm only going to post future responses on the original post.

Is the cap a Roland OEM cap? If not, you should replace it.

Is the cap a Roland OEM cap? If not, you should replace it.

First, make sure the ink cartridge has ink in it. Been there, done that... Felt stupid... If you rely on the display, be aware if you have ever pulled the yellow cartridge with the machine on, this display resets to 100%. Along with this is the possibility the empty flag on the cartridge did...

The VP-540 has a known issue of the network section failing intermittently. When it happens, the printer will stop and you get a "Processing" message on the screen.

Be sure to replace the captops with Roland OEM parts. As far as dampers go, I've had an excellent experience with the dampers I get from Solventinkjet.

On your old computer, navigate to the printers folder in VersaWorks. In this folder, you will find your specific printer folder. Open this folder and copy the 2 input and 2 jobs folders over to your new computer. See if that does the trick.

Try cleaning the crop mark sensor on the bottom of the cutter head with a swab and alcohol. You may also have ink buildup on the crop mark sensor board, which can also cause random reading, (#2 in attached drawing). This will require a bit of disassembly. You can also check the crop mark sensor...

You can find media clamps here - https://dgastore.rolanddga.com/ or you can try Ebay. If you can get the short ones, you will be less likely to crash the sheet cutter by forgetting to remove the clamps when sheet cutting. Check the condition and orientation of your pinch rollers. The outside...

A potential solution to your issue is to print with only the outer 2 pinch rollers and cut with all the rollers. I don't have the service manual for the VG3, but the user manual for the VG3 does have an entry on page 165 about auto up-down on the middle pinch rollers. This may help.

My preferred approach is a zip lock bag, rather than paper towels. And put a touch of cleaning solution on the bottom O-ring on the damper just before installing - makes for an easier install.

Here's 2 links: https://www.lfp-repair-service.com/product-page/roland-sp300i-sp540i-service-manual-pdf-document https://www.sign-in-china.com/products/12444/roland_versacamm_sp_300_sp_300v_service_manual.html

Good to know. My UV experience has only been with Mimaki flatbeds and Ink Cups UV printers.

All solvent DX4 heads run the same, regardless of the coating on the nozzle plate. The difference in the nozzle plate coating has to do with the anti-wetting characteristics of the two types. Gold plated nozzle plates are more resistant to wetting, which is the accumulation of ink on the nozzle...