avrdude-slic3r -v -p atmega2560 -c wiring -P LPT1 -b 115200 -D -U flash:w:0:C:\Users\Owner\Desktop\prusa3d_fw_3_13_2_MK3S\prusa3d_fw_3_13_2_MK3S\prusa3d_fw_MK3S_MK3S+_3_13_2_7080.hex:i avrdude-slic3r: Version 6.3-20160220-prusa3d, compiled on Dec 12 2023 at 15:27:27 Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/ Copyright (c) 2007-2014 Joerg Wunsch Using Port : LPT1 Using Programmer : wiring Overriding Baud Rate : 115200 avrdude-slic3r: ser_open(): can't set buffers for "LPT1" avrdude-slic3r: Could not open port: LPT1 avrdude-slic3r done. Thank you.