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It turned out to be a bad head board.

Hi, I need a pdf to print out a plain old SC-540 service manual, not EX or 545 please. tom

draw ink manually through caps and heads to make sure heads are not starving for ink.

Hi, I need a service manual for a sc-540 if you can help me. thank you.

I did and its fine. You can test your transistors with a ohm meter, just look for one that tests different from the same thing in another row.

solved The problem has been solved and it was a bad head board.

cables swapped changes color of lines but not lines themselves. can a head board do this?

after a month with no answers of what causes these lines Im looking for a salvage for parts Roland sc-540.

Im leaning toward bad headboard memory if it has any. Problem seems to be a logic one, and I just dont know and seems no one else does either.

easy way to check your bearings is loosen the screw or clamp that holds the carriage to the cable and move carriage by hand and listen and feel. Just mark cable so you can clamp it right back the same place. You have to start with a cap inspection in menu so you can move carriage.

Strange but mine seems to be humidity sensitive some too. Took head board out and cleaned, checked ect and nothing different. I ran a ground wire through the black chain from frame by head board to carriage and it seems to help but still few random lines. Few months ago I switched the long...

Ok, on mine a simple head test is to switch the ribbons from the carriage board to the yellow and what ever color is next to it so cables reach and print to see if lines follow cables to the other head color or not. On mine color switched so is not head but was being sent from the carriage to...

Did they change out the head board that fires the heads or the power supply? Anything else they didn't change out cause they missed something and I need to know what it might be.So far your our only hope to solve this. Do you think the rep found out from Roland what it was? tom

lines Hi, were gona be good friends by the time one of us figures this out. I have black lines random like your yellow ones. I been fighting this for 6 months and have been able to print stickers around it, just pick out the bad ones. Its probably not your main board cause I replaced mine...

Hi, below are 2 pictures of my problem that started a while ago.The first one shows what happens when I print in unidirectional or bidirectional, you can see uni is fine but bi is full of black lines. The second shows printing bidirectional so the lines appear but at different scan-print...

I think its the black head loose cable that does that

hi, I read for roland wide format icc profiles the older x-rite i1 models will work with flexi8.6 and the old dtp41 and dpt51 but will the somewhat newer dpt20 pulse or dpt34 ect. work as well within flexi 8.6v2 for profiling? Trying to buy the cheapest one on ebay that will work. Any other...

Thank you, is the emulation mode something that is a function of the i1pro2? I have a line on a cheap i1pro and wondered if it would work the same way or should I stay away from it?

Hi, does anyone know if the newer models will work with flexisign 8.6v2. Like the eye one pro, the list in 8.6v2 dosen't list the newer models. Is there a place to add other ones or will it detect them? thank you. tom

thanks all, I thought it was in the menu on the printer itself, no wonder I couldnt find it. tom