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What is the head height set to? As suggested, you should also run all the head alignments in service mode, and then the user bi-directional calibration, in that order.

He would treat the photos like any file. The difficulties lie in minimum media width and the SP300 is not designed for small pieces of media, for starters. If hics can clarify he is just printing personal photos, like 5x7, 8x10, etc., that will help. If that is the case, then using the SP-300...

VD is variable dot and ND is normal dot, i.e., fixed dot, one size dot for everything.

If you are just going to print personal photos, then as Netsol suggested, get a nice quality photo printer for $200-300 and have fun. $1500 is a good estimate for all the parts needed for bringing the SP300 back to life, plus the time and labor to get it up, but it will be very expensive for...

You need to post a nozzle test print before any further evaluation can be made.

After changing the dampers and head, you should do one power clean and then one choke clean. This is the correct process after changing those two components. Did you do that?

Be sure to pull the dampers straight up to avoid cracking or breaking the posts on the manifold. Put new O-rings on the ink line above the dampers. Snip off 1/16 inch off the ink line so the O-rings are in an uncompressed section of the ink line. Pull ink into the dampers with a syringe. With...

It's time to do so... Will likely fix your issue.

This is most likely a failing damper issue. When was the last time the dampers and caps were replaced? Software does not cause this...

You're welcome! Keep me posted...

I can get the motor for you. Roland has 20 in stock. Contact me to discuss.

My assessment is a dead print head. The K/C head has been driven by both the K/C signals and the M/Y signal and shows good. The displacement in position is due to the firing timing. This confirms you are getting all the signals from the head board. The fact that the M/Y head doesn't fire at all...

Which Mimaki printers do you have? I'm in Delray Beach and travel around the state.

No. It connects to the board on top of the cutter head.

My first suspicion is the cut tool carriage cable. They are a common replacement for strange cutting behavior.

Nate, It would appear your magenta/yellow head is likely bad. The test prints are a little confusing. You only need to swap the cables in one way. Please do a new test print with the cables in the correct position, then a second test with the cables swapped as follows: 1&2 on carriage board to...

When the cartridge is completely inserted into the ink bay, it positions the ink end sensor arm very close to the trip point when correctly aligned in the slot. The body of the cartridge apparently pushes the arm past the trip point until the cartridge is completely inserted, at which point it...

Make sure the end of the syringe tip is fitting tightly in the bottom of the damper. If you are pulling air, check the O-ring on the ink line above the damper. If you get complete resistance, then a bad damper.

You draw ink through the damper itself, not just the ink line.

The issue turned out to have nothing to do with the printer, but the Roland OEM ink cartridges themselves. The opening for the ink end tab was just a little too small and didn't allow the ink end sensor arm to line up and drop slightly into the slot. Instead, the arm was pushed out just enough...