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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.

The button presses need to be done quickly.

Here's a link from a Google search (easy-peasy), but it's a pay for... https://www.service-manual.net/?download=roland-soljet-pro4-xf-640-service-manual Couldn't find a free one. Reputable site, I've used it quite a few times...

A google search for Roland rf 640 service manual pdf revealed - https://www.manualslib.com/manual/3032535/Roland-Versaexpress-Rf-640.html#product-VersaEXPRESS RF-640 Click the green download button at the top.

I would suggest running the fill test in service mode and watch as it prints. Look at how the ink is laying down and also look at the finished result. This will help you determine if it's a specific color or all of them...

If it's going to be some time before you get the motor, you should soak the print heads so they don't dry out and give you more problems...

If you never had issues with Roland OEM ink, then maybe you should switch back. The biggest mistake people make regarding 3rd party inks is looking at the cost per cartridge. The proper way to look at it is the cost of ink per square foot. If you are able to calculate this cost, you will realize...

My go-to test for checking a print head is the fill test in service mode. It is printing 720x720, bidirectional, std speed, 100% ink, which is pretty much the standard everyday setting for general sign printing (except for the 100% ink part). It prints each head channel individually, without the...

I would verify by phone if they are in stock in the US. Most of the motors are made in China, anyway. Turkey? Not too sure... Make sure it's returnable, if possible. No returns accepted can be a red flag...

If you are using Roland OEM ink, you should be fine. A generic motor will work fine. I would avoid anything shipping from China, and never, never buy anything from Indonesia or Malaysia! Digiprint has a generic motor in stock...