diff --git a/Marlin/boards.h b/Marlin/boards.h
index 0d61a7769..3f83e6fe1 100644
--- a/Marlin/boards.h
+++ b/Marlin/boards.h
@@ -54,6 +54,7 @@
 #define BOARD_OMCA              91   // Final OMCA board
 #define BOARD_RAMBO             301  // Rambo
 #define BOARD_MINIRAMBO         302  // Mini-Rambo
+#define BOARD_AJ4P              303  // AJ4P
 #define BOARD_MEGACONTROLLER    310  // Mega controller
 #define BOARD_ELEFU_3           21   // Elefu Ra Board (v3)
 #define BOARD_5DPRINT           88   // 5DPrint D8 Driver Board
diff --git a/Marlin/pins.h b/Marlin/pins.h
index a62a81f86..f841cd712 100644
--- a/Marlin/pins.h
+++ b/Marlin/pins.h
@@ -127,6 +127,8 @@
   #include "pins_BQ_ZUM_MEGA_3D.h"
 #elif MB(99)
   #include "pins_99.h"
+#elif MB(AJ4P)
+  #include "pins_AJ4P.h"
 #else
   #error Unknown MOTHERBOARD value set in Configuration.h
 #endif
diff --git a/Marlin/pins_A4JP.h b/Marlin/pins_A4JP.h
new file mode 100644
index 000000000..d45b31559
--- /dev/null
+++ b/Marlin/pins_A4JP.h
@@ -0,0 +1,138 @@
+/************************************************
+ * Rambo pin assignments MODIFIED FOR A4JP
+ ************************************************/
+
+#ifndef __AVR_ATmega2560__
+  #error Oops!  Make sure you have 'Arduino Mega 2560' selected from the 'Tools -> Boards' menu.
+#endif
+
+// Servo support
+#define SERVO0_PIN 22 // Motor header MX1
+#define SERVO1_PIN 23 // Motor header MX2
+#define SERVO2_PIN 24 // Motor header MX3
+#define SERVO3_PIN  5 // PWM header pin 5
+
+#if ENABLED(Z_PROBE_SLED)
+  #define SLED_PIN -1
+#endif
+
+#undef X_MS1_PIN
+#undef X_MS2_PIN
+#undef Y_MS1_PIN
+#undef Y_MS2_PIN
+#undef Z_MS1_PIN
+#undef Z_MS2_PIN
+#undef E0_MS1_PIN
+#undef E0_MS2_PIN
+#undef E1_MS1_PIN
+#undef E1_MS2_PIN
+
+#undef DIGIPOTSS_PIN
+//Fan_2 2
+
+/*****************
+#if ENABLED(ULTRA_LCD)
+
+  #define KILL_PIN -1 //was 80 Glen maybe a mistake
+
+#endif // ULTRA_LCD */
+
+#if ENABLED(VIKI2) || ENABLED(miniVIKI)
+  #define BEEPER_PIN 44
+  // Pins for DOGM SPI LCD Support
+  #define DOGLCD_A0  70
+  #define DOGLCD_CS  71
+  #define LCD_SCREEN_ROT_180
+
+  #define SD_DETECT_PIN -1 // Pin 72 if using easy adapter board
+
+  #if ENABLED(TEMP_STAT_LEDS)
+    #define STAT_LED_RED      22
+    #define STAT_LED_BLUE     32
+  #endif
+#endif // VIKI2/miniVIKI
+
+#if ENABLED(FILAMENT_SENSOR)
+  //Filip added pin for Filament sensor analog input
+  #define FILWIDTH_PIN        3
+#endif
+
+/************************************************
+ * Rambo pin assignments old
+ ************************************************/
+
+#define LARGE_FLASH true
+#define X_STEP_PIN    37
+#define X_DIR_PIN     48
+#define X_MIN_PIN     12
+#define X_MAX_PIN     24
+#define X_ENABLE_PIN  29
+#define X_MS1_PIN     40
+#define X_MS2_PIN     41
+#define Y_STEP_PIN    36
+#define Y_DIR_PIN     49
+#define Y_MIN_PIN     11
+#define Y_MAX_PIN     23
+#define Y_ENABLE_PIN  28
+#define Y_MS1_PIN     69
+#define Y_MS2_PIN     39
+#define Z_STEP_PIN    35
+#define Z_DIR_PIN     47
+#define Z_MIN_PIN     10
+#define Z_MAX_PIN     30
+#define Z_ENABLE_PIN  27
+#define Z_MS1_PIN     68
+#define Z_MS2_PIN     67
+
+#define HEATER_BED_PIN 3
+#define TEMP_BED_PIN   7 //2014/02/04  0:T0 / 1:T1 / 2:T2 / 7:T3
+#define HEATER_0_PIN   9
+#define TEMP_0_PIN     0
+#define HEATER_1_PIN   7
+#define TEMP_1_PIN    -1
+#define HEATER_2_PIN  -1
+#define TEMP_2_PIN    -1
+
+#define E0_STEP_PIN   34
+#define E0_DIR_PIN    43
+#define E0_ENABLE_PIN 26
+#define E0_MS1_PIN    65
+#define E0_MS2_PIN    66
+#define E1_STEP_PIN   33
+#define E1_DIR_PIN    42
+#define E1_ENABLE_PIN 25
+#define E1_MS1_PIN    63
+#define E1_MS2_PIN    64
+
+#define DIGIPOTSS_PIN 38
+#define DIGIPOT_CHANNELS {4,5,3,0,1} // X Y Z E0 E1 digipot channels to stepper driver mapping
+
+#define SDPOWER       -1
+#define SDSS          53
+#define LED_PIN       13
+#define FAN_PIN        8
+#define PS_ON_PIN      4
+#define KILL_PIN      -1
+#define SUICIDE_PIN   -1 //PIN that has to be turned on right after start, to keep power flowing.
+#define FAN_0_PIN      6 //Glen
+#define FAN_1_PIN      2 //Glen
+
+// 2015/12/23
+
+#define LCD_PINS_RS     70 //ext2_5
+#define LCD_PINS_ENABLE 71 //ext2_7
+#define LCD_PINS_D4     72 ///////Ext2 9 ?
+#define LCD_PINS_D5     73 ///////Ext2 11 ?
+#define LCD_PINS_D6     74 //ext2_13
+#define LCD_PINS_D7     75 ///////Ext2 15 ?
+#define BEEPER_PIN      -1
+
+#define BTN_HOME        80 //ext_16
+#define BTN_CENTER      81 //ext_14
+#define BTN_ENC         BTN_CENTER
+#define BTN_RIGHT       82 //ext_12
+#define BTN_LEFT        83 //ext_10
+#define BTN_UP          84 //ext2_8
+#define BTN_DOWN        85 //ext2_6
+
+#define HOME_PIN        BTN_HOME
diff --git a/Marlin/pins_RAMBO.h b/Marlin/pins_RAMBO.h
index ea0bb617b..b70c74a25 100644
--- a/Marlin/pins_RAMBO.h
+++ b/Marlin/pins_RAMBO.h
@@ -12,7 +12,7 @@
 #define SERVO0_PIN 22 // Motor header MX1
 #define SERVO1_PIN 23 // Motor header MX2
 #define SERVO2_PIN 24 // Motor header MX3
-#define SERVO2_PIN  5 // PWM header pin 5
+#define SERVO3_PIN  5 // PWM header pin 5
 
 #if ENABLED(Z_PROBE_SLED)
   #define SLED_PIN         -1