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  1. Question Roland XF-640 service call 0340

    Thanks Joe, but on my case fault is from optical sensor near magnetic sensor. When i put black tape on stainel stell case for sponge left on captops, roland normal check media without error.This is noise from light becouse i try fix it without enclosure. When I put everythin on place machine...

  3. Question Roland XF-640 service call 0340

    Hi everyone, I have problem with setup media on Xf-640. I get service call 0340. I try clean optical sensor on carriage, but maybe this is linked with magnetic sensor and magnes behind carriage. Someone have service manual for this machine or solution how fix this error? Thanks and regards.

  4. Question Epson 7800 Fast Jumbo 2 convert to UV

    Hi everyone, In our company we have Epson 7800 Fast jet jumbo 2, old printer but still working, and we have idea to convert it to 2XCMYK. First Cmyk will by normal pigment ink, but second CMYK we plan to supply UV ink, and add UV lamp to carriage. How are You thinking, this idea is may working...
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