Your 'Epson printer offline mac' might be caused by a number of factors. These
issues might be related to cartridges, papers, ink, faulty wiring, or hardware
issues. A loose power cable would be the most serious problem. As a
consequence, your printer must have been switched off. It's also possible that
your printer has gone into sleep mode. The remedies to these problems are
simple. To begin, turn off the printer and unplug the power cord from the wall
socket.