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The roller lever only breaks once on owner operated Summas... Other than that, I haven't seen weaknesses in S class cutters. I sell an service summas since 30 years and they are the best in cutting quality, versatility and tracking by far. Mimaki has the best software by the way... Roland is so...

Hi, what are your files? Jpg's?

Well, this is normal behaviour. It depends on the color. You could tick "preserve primary colors" in the color management section. Then a 100% yellow will be pure yellow, while you still have correct colors otherwise.(also helps for sharper black text)

You are running 3.5mm thick vinyl? If so, put the shims on top of that.

Does it cut? If yes, I'd check the front media sensor.

Head 1 needs to be adjusted to head 2 in this case. But head 1 consists of 2 rows of nozzles (cyan and magenta) and head 2 has yellow and black. When doing the horizontal adjustment, the two channels of one head overlap perfectly.(or at least they should) Often, the cyan/magenta rows don't...

The SG are notorious for producing grainy solids in lighter tones, because they have no light colors. In addition, the TR-2 is higher pigmented, than earlier inks. This means, less but darker dots are printed to achieve a desired color. From what I can on your pictures, the dark red looks like...

The problem is "known". There was a short period with wrongly mounted cables. I had to install such a machine. I checked the cable installation and it was correct. The problem only happened, when the carriage moved slowly at a certain point. This was the case, when doing the "auto adjustments"...

With such a setup, you are limiting yourself to a few vinyls, that are microporous or coated otherwise to take waterbased ink. They are more expensive and the outdoor stability may not be up to the standards. Generally with coated media with lamination, the application on 3d surfaces(cars) won't...

Check the media feed by printing horizontal hairlines. SP-540 have allways been notorious for ink starvation issues. I was in contact with Roland at the time the printer was introduced. (must be 20 years ago) They finally acknowledged the problem and had no solution. They started using wider...

Flex cable to tool carriage. I think the cable guides are not available anymore.(I allways replaced them together with the cable)

Depending on the environment(temperature), one year past is too dangerous. When i see old ink in customers machines, i make them aware that replacing heads is more expensive, than throwing out overaged cartridges. The problem with these printers: most jobs printed use very little ink. Since they...

Depending on how long the unit will be without power, you can do a "pump up" (couple of days) or a "head wash" (couple of weeks). If the transport can be done without tilting or rough handling in a couple of days, I leave the ink inside.

It's a DX6

In the "olden times" you needed to use a crossed/crossover cable, when connecting two network cards directly. (Not over a switch/hub) Nowadays the network cards should cross the mines themself, when the recognise a direct connection.

Because the printer firmware takes care of idle nozzles spitting during printing.

Most of the times, the pinch roller holders or at least one of them is deformed or cracked.

II remember having a loose coil once in a very old Summa. This gave sort of similar problems. Sometimes something ferromagnetic is attracted by the strong magnet and could possibly obstruct the movement of the pen/blade. But as I wrote before, what directs me to the software, is the it misses...

If I needed a cutter, I'd go for a Summa. (Cutting quality, speed, tracking of long jobs, Barcode function, Flexcut and so on...) While Mimakis are pretty good as well, their Finecut is the best Software by far... and is available for PC an Mac.

The filler sensors are located in front of the printheads on the carriage. Very easy to replace.