Marlin2.1.2.7 Prusa i3

marlin2.1.2.7 PRUSAI3 RAMPS/ MKS GEN L

Complete list of functions and features of your Marlin firmware

 Board and control

Board: RAMPS 1.4 (BOARD_RAMPS_14_EFB)

Processor: ATmega2560 (Arduino Mega 2560)

Display: RepRapDiscount Smart Controller (LCD 2004)

Baud rate: 250000 bps

Printer name: "PRUSA XL"

 Motion and mechanics

Bed size: X=256 mm, Y=300 mm, Z=350 mm

Soft endstops: Enabled for X, Y, Z

Steps per mm: X=80, Y=80, Z=400, E=415

Max speed: X/Y=300 mm/s, Z=5 mm/s, E=25 mm/s

Max acceleration: X/Y=3000, Z=100, E=10000 mm/s²

Junction Deviation: 0.013 mm (adaptive smoothing)

SLOWDOWN: Enabled (slowdown when buffer fills)

 Temperature and heating

Thermistors: Hotend #1 (100k EPCOS), Bed #1 (100k EPCOS)

PID auto-tuning: Enabled (menu)

PID_MAX: 255

Overheat protection: For hotend, bed, chamber, laser

MINTEMP/MAXTEMP: Hotend (5-275°C), Bed (5-150°C)

AUTOTEMP: Enabled (automatic temperature adjustment)

PREVENT_COLD_EXTRUSION: Yes (minimum 170°C)

 Drivers and endstops

Drivers: A4988 for Drivers and Endstops

Drivers: A4988 for X, Y, Z, E0

Enable pins: Active LOW

Direction inversion: X=INVERT, Y=NORMAL, Z=INVERT, E0=NORMAL

Endstops: X_MIN, Y_MIN, Z_MIN (used)

Endstop pullups: Enabled

 Sensors and Probing

Inductive sensor: FIX_MOUNTED_PROBE

Sensor offset: X=34 mm (right), Y=-3 mm (rear), Z=-2.08 mm

Leveling mesh: Bilinear (4x4 = 16 points)

Z_SAFE_HOMING: Enabled

Probing margin: 10 mm

Z_CLEARANCE: Deployed=10 mm, between points=5 mm

M48 accuracy test: Available

 Extrusion and Filament

Number of extruders: 1

Filament diameter: 1.75 mm

LIN_ADVANCE: Enabled (K=0.05)

MAX_EJERK: 5.0

MAX_EXTRUDE_LENGTH: 200 mm

 SD Card

SDSUPPORT: Enabled

File sorting: By newest (SDCARD_RATHERRECENTFIRST)

Print confirmation: Enabled

Command on interrupt: G28XY

Power-loss recovery: Disabled (optional available)

 LCD Menu

Display type: REPRAP_DISCOUNT_SMART_CONTROLLER

Manual movement: Available (X/Y/Z/E)

Encoder with multiplier: Enabled (10x/100x) Bed leveling: In menu (LCD_BED_LEVELING) Individual homing: Enabled Print progress: Shows percentage and time Auto temperature report: Enabled Sound: Enabled by default  Additional features BABYSTEPPING: Enabled (Z adjustment during printing) EEPROM_SETTINGS: Enabled (saves settings) ARC_SUPPORT: Enabled (G2/G3 arc support) INPUT_SHAPING: Enabled for X and Y (40 Hz, damping=0.15) LASER_FEATURE: Disabled FILAMENT_RUNOUT_SENSOR: Enabled (pin 44) ADVANCED_PAUSE_FEATURE: Enabled (M600) NOZZLE_PARK_FEATURE: Enabled HOST_KEEPALIVE: Enabled (every 2 sec)  Safety USE_WATCHDOG: Enabled (reset on hang) THERMAL_PROTECTION: Enabled for all heaters PREVENT_COLD_EXTRUSION: Enabled SOFTWARE_ENDSTOPS: Enabled  Debug and reports AUTO_REPORT_TEMPERATURES: Enabled EXTENDED_CAPABILITIES_REPORT: Enabled FASTER_GCODE_PARSER: Enabled SERIAL_OVERRUN_PROTECTION: Enabled  Heating presets PETG: Hotend=235°C , Bed=85°C ABS: Hotend=250°C, Bed=110°C  Important Note Due to the limited memory of the ATmega2560 (8KB SRAM), with all these functions enabled (especially Input Shaping + Babystepping + LIN_ADVANCE), the firmware operates at its limit. If freezes or display artifacts occur, it will be necessary to disable less important functions.