
Roland DX7 Printhead Guide: RE-640, VS-640 & RA-640
We get calls about the DX7 every single week. Someone's Roland RE-640 is banding. A VS-640 is dropping a colour channel. A shop owner in Texas just ran a nozzle check and half the nozzles are gone....

When To Replace Printhead – 3 Major Signs To Consider
Replace a wide-format or DTF printhead when banding, faded output, or missing nozzles persist after multiple cleaning cycles, new dampers, and a functioning capping station — not before. The three ...
