Some EPSON models allow a partial reset via buttons. For the L3151, try this sequence to reset network & basic settings only (this will reset the ink pad counter):
This method is typically used to reset network settings or clear internal errors without using a computer. the printer. How to Hard Reset EPSON L3151
Never hard reset a printer if there is a physical paper jam; this can damage the print head. Some EPSON models allow a partial reset via buttons
If your printer is stuck or unresponsive and a standard button reset isn't working, follow these steps to clear its temporary memory: the power cord from the back of the printer. Wait for approximately one minute to allow internal power to dissipate. the power cord back in and turn the printer on. Addressing "Service Required" Errors Never hard reset a printer if there is
Ensure your ink tanks are at least 1/3 full before performing a reset, as the printer may run a cleaning cycle immediately after.