![]() So, effectively, despite a federal law that went into effect within the last few years prohibiting printer manufacturers from forcing users from needing proprietary ink cartridges in their printers, they appear to be doing so. ![]() I also used a cleaning solution of window cleaner and rubbing alcohol (as directed in a few YouTube videos) to manually clean the printhead. I tried using the printer's "Clean Printhead" utility about 30 times (seriously), to no avail. Of course, I did not have expensive Epson cartridges installed, and my printer became useless. Apparently, it effectively prevents the printer from working if it does not have genuine Epson ink cartridges installed. ![]() ![]() For me, the firmware version that did the damage was called CB0912. Just as many other Epson printer owners experienced over the last three weeks in March 2020 (as our automatic firmware settings kicked in at different times), my Epson WorkForce 3640 (WF-3640) became obsolete ("bricked") after Epson's latest firmware update.
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