printer types updated

Firmware/ultralcd.cpp

@@ -3208,7 +3208,7 @@ bool lcd_calibrate_z_end_stop_manual(bool only_z)
 calibrated:
     // Let the machine think the Z axis is a bit higher than it is, so it will not home into the bed
     // during the search for the induction points.
-	if (PRINTER_TYPE == PRINTER_MK25) {
+	if ((PRINTER_TYPE == PRINTER_MK25) || (PRINTER_TYPE == PRINTER_MK2) || (PRINTER_TYPE == PRINTER_MK2_SNMM)) {
 		current_position[Z_AXIS] = Z_MAX_POS-3.f;
 	}
 	else {