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Are you sure you didn't transpose (flip) the ends of the cables changing pin orientation?

Yes, the process of elimination procedure to check for a bad print head is to swap the print head cables, if the print head is the problem, swapping the cables will make NO difference. However if the blur is then transferred to the Yellow/Magenta image, the problem is either the cable or the...

Yep, that will tell you if it is the print head or the cable/electronics. If the blur stays on the CYAN/BLK, after swapping cables, you know it's the print head! Please use CAUTION not to BLOW the fuse, or you will have another problem! :thumb:

What does your test print look like, do you have this problem when you make a test print (post photo)? I have not had this problem myself, however I read about it in the past (on here), use the search function. And I believe it was related to a bad print head cable and or static. Being only...

As others have mentioned, never heard of Design Art Pro, but also like others have mentioned, you should look into getting NEW software that is more commonly used in this industry, you can find older versions of Illustrator or Corel on ebay CHEAP, and both will do a better job for you using the...

Did you print the image on the right on your printer? It almost looks screen printed, I don't think I have ever seen ink that thick from my SP-540V. :help

Richard, YES, It's really your best option to leave the old fuse in place and solder wires to the top, that will isolate some heat from reaching the PWB (printed wiring board), and I would HIGHLY recommend using a fuse holder to hold the fuse, that way you will NOT have to solder and apply...

Yep, I purchase my electronic components from Digi-Key.com, very inexpensive and usually only charge me a few bucks shipping. They don't have the obsolete 455, however they do have a the 451 Littelfuse Nano2 that matches the specs: Fast Blow 1.6 amp 125 V...

:Welcome: To the little sign forum in TEXAS, or the whole world for that matter, form Belton TX! Post up some of your work to share....

It's alway a trade-off between the higher cost to move into the LED's now that cost 3-times the T8 stratergy or go with the T8 now and wait for the LED price point to come down as it has steadily been doing for the last several years. If you have the money (3 times) to go with the LED's now, go...

Remove the cable ends and using a magnifying glass check the connectors to make sure the pins are not shorting, also good to remove the cable completely and check for a short using a volt meter. :thumb:

Yes, all the parts you need are available at Radio Shack for less than $10 as indicated in the PDF I attached. I like this fix because if and when this happens next time, the change out of the fuse will be quick and easy, no soldering. Just use a QUICK BLOW fuse of the same specifications! And...

:goodpost: Very good point, now if the Chinese where smart, they would create a US service force that could help them build the US market! I see very good (low) priced China made items on ebay, however the 20-30 delivery tome from China hurts their sales here, so what did they do? They built...

There is another option for replacing the fuse with the same solder type surface mount fuse. Don't install the same fuse but instead install a FUSE HOLDER, so you can replace the fuses as needed without having to use a soldering iron. That way all you have to do is replace the fuse with the...

NOTE: You should ALWAYS wear a static strap and ground yourself when working on sensitive electronics, especially when standing on CARPET which generates static electricity just walking on it when the humidity and temperature are conducive to it's generation (cold and dry). An ounce of...

Test the fuse F3 on the mainboard. If the fuse is bad then no signal is being sent to the head, chances are the head has a short and is blowing the fuse. Fuse can be purchased here...

Read post #4 AND CHECK YOUR PINS FOR SHORTING: http://www.signs101.com/forums/showthread.php?114138-Roland-SP-300V-won%B4t-switch-on&highlight=print+head+cable :thumb:

That's because it is TO COLD in Canada (6° F there?), your Roland SP540V printer with the "POWER ON", operating temperature specification is 59° to 90° F (68° or more recommended), 30 to 80% humidity. And with the "POWER OFF" operating temperature is 41° to 104° F (20 to 80% humidity). So, if...

:goodpost: That is a very EASY way to check for a bad print head, if your CYAN head prints without the fuzz, after you swap the cables, then you know the head is NOT the problem. Also, this time of year with dry air and cold temps, carpet can generate LOTS of STATIC, you should do all you can...

Although Roland printers have been made in Japan in the past, Roland does have a factory in Taiwan (just off the coast of China), and I have read reports that more and more Roland parts are being produced there as a way to lower costs. http://en.wikipedia.org/wiki/Roland_Corporation :omg: