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Please confirm, you swapped the ribbons only at the printhead side and left them in their original position on the carriage board. That is crucial for this to be a valid test! Otherwise, you are only confirming the ribbons are good. See the attached illustration. It's for a 4 head setup, so only...

First question is where did you get the "new compatible print head".? As this printer only has 1 fuse for both heads, I would recheck all the ribbon connections. I presume the black/cyan head is the one you replaced. You can do a ribbon swap to check the head itself. With the printer off and...

Then I stand corrected. It's been a while since I punched the buttons on an SP-540V. So, instead, go to Menu - System and print it. The current IP address should be in this file. The Intercon Nettool should allow you to set the IP address in the printer.

Try here! https://www.solventinkjet.com/product-page/roland-encoder-sensor-xc-xj-series Keep the business here in the USA when possible! Great people and they are techs, as well!

Soak the heads!

Epson printers are excellent, just hope it doesn't go down, as their tech support is absolutely the pits.

I would also try a new encoder sensor. Don't be to bummed about the scan motor, because if you use the printer a lot and keep it a long time, the scan motor will eventually go, as it is the most used motor in the machine, and you have a spare on hand. We'll stick with you to try to figure this...

You may want to remove the dampers and check and lubricate the O rings on both the top and bottom of the dampers, then reinstall them. See the attached service bulletin. This is something I've always done as standard practice, as it just made sense, even on DX4 style dampers. Lubrication is a...

I know you said in an earlier post you cleaned the encoder strip, and I suggested removing the encoder strip from the printer and cleaning it with acetone. Did you do this? When you do, be very careful not to lose the tension spring. Before you clean it, examine the strip closely, especially...

OK, now it's getting strange. I felt like the encoder sensor was ok, based on running the linear encoder step and you getting consistent numbers on the display. I would turn out the lights and look down behind the print head carriage and see if there is red light coming out of the sensor. I...

You are quite welcome!

The SP-540V is network connection only.

Read through the attached pdf. The IP address you put into the printer should match the IP address you found through the command prompt instruction, EXCEPT the last set of numbers must be different. Note the numbers you put in the printer, as you will enter this exact number in Versaworks when...

Please re-read my post. You install an on-off toggle switch on the voltage supply line to the fans. Then you turn the fans on and off manually.

Yes indeed! Good to be back! I'm only doing phone support now, semi-retired... Also limited board repair, primarily output transistor checking and replacement. Send 'em my way!

I had this issue on an SP-540. The customer and I discussed the options - buy a heater control board and hope that fixes it, which run $125 and up. Or, which is what we did - I installed an on-off toggle switch on the side or the printer next to the control panel and wired the voltage lead to...

On certain newer models of printers, Roland has locked end users out of service mode, which could be called technician mode. It allows access to a great deal of technical adjustments not available in the user menu. Only certified technicians logged into Roland and connected to the printer can...

If you move the print head carriage by hand, do you hear the noise and feel any repeating resistance synced with the noise? Also listen carefully to see if you can tell where the noise is coming from. Insure the printhead is unlocked and power down by turning off the MAIN power switch and unplug...

If you do your own repairs, check to see if that particular Roland model has the service mode locked out. Should be a part of your decision making.

If you are using TR2 inks, then (thank you very much Roland - NOT!) you are stuck with a currently certified Roland tech due to Roland locking out service mode.