diff --git a/src/main/java/cokr/xit/fims/cmmn/pdf/PDFPrintUtil.java b/src/main/java/cokr/xit/fims/cmmn/pdf/PDFPrintUtil.java
index 86899e59..ea32e32f 100644
--- a/src/main/java/cokr/xit/fims/cmmn/pdf/PDFPrintUtil.java
+++ b/src/main/java/cokr/xit/fims/cmmn/pdf/PDFPrintUtil.java
@@ -25,9 +25,9 @@ public class PDFPrintUtil extends PrintUtil {
 
 	public void setting(String paperType) {
 		if(paperType.equals("01")) {
-			this.paperMilimeter = new float[] {210 , 297};
+			this.paperMilimeter = new float[] {210.0f , 297.0f};
 		} else if(paperType.equals("02")){
-			this.paperMilimeter = new float[] {216 , 279};
+			this.paperMilimeter = new float[] {216.0f , 279.0f};
 		}
 	}
 
@@ -54,7 +54,9 @@ public class PDFPrintUtil extends PrintUtil {
 
 	}
 
-	//
+	/**
+	 * mm단위로 입력된 값을 pdf좌표계 형식으로 변환한다.
+	 */
 	public PDFCoordinate toPDFCoordinate(float[] XYmm) {
 		float Xmm = XYmm[0];
 		float Ymm = XYmm[1];
@@ -67,7 +69,9 @@ public class PDFPrintUtil extends PrintUtil {
 		return new PDFCoordinate(Xpt, Ypt, YptMax);
 	}
 
-	//
+	/**
+	 * 텍스트를 pdf에 입력한다.
+	 */
 	public void writeText(PDPageContentStream contentStream, String allText,
 			float[] XYmm, float textAreaWidth_mm, String align, String newLineYn,
 			PDType0Font font, int fontSize, RenderingMode fontStyle, PDColor fontColor) {
@@ -112,7 +116,7 @@ public class PDFPrintUtil extends PrintUtil {
 			if(align.equals("right")) {
 				firstLineAlignCorrection = textAreaWidth_pt - firstLineWidth;
 			} else if(align.equals("center")) {
-				firstLineAlignCorrection = (textAreaWidth_pt - firstLineWidth)/2;
+				firstLineAlignCorrection = (textAreaWidth_pt - firstLineWidth)/2.0f;
 			}
 
 			float resultX = xyAbsolute[0] + firstLineAlignCorrection;
@@ -121,6 +125,7 @@ public class PDFPrintUtil extends PrintUtil {
 			contentStream.showText(textArr[0]);
 
 			if(textArr.length > 1) {
+				float beforeLineWidth = firstLineWidth;
 
 				for(int i = 1; i < textArr.length; i++) {
 					String thisLine = textArr[i];
@@ -128,13 +133,15 @@ public class PDFPrintUtil extends PrintUtil {
 					float alignCorrection = 0;
 
 					if(align.equals("right")) {
-						alignCorrection = firstLineWidth - thisLineWidth;
+						alignCorrection = beforeLineWidth - thisLineWidth;
 					} if(align.equals("center")) {
-						alignCorrection = (firstLineWidth - thisLineWidth)/2;
+						alignCorrection = (beforeLineWidth - thisLineWidth)/2.0f;
 					}
 
 					contentStream.newLineAtOffset(alignCorrection, -(fontSize + 1));
 					contentStream.showText(thisLine);
+
+					beforeLineWidth = thisLineWidth;
 				}
 
 
@@ -148,7 +155,9 @@ public class PDFPrintUtil extends PrintUtil {
 
 	}
 
-
+	/**
+	 * 글꼴모양,폰트크기 등에 따른 텍스트의 가로 길이(pt)를 계산한다.
+	 */
 	public float calcTextWidth(PDType0Font font, int fontSize, String text) {
 		try {
 			return (font.getStringWidth(text) / 1000.0f) * fontSize;
@@ -157,6 +166,9 @@ public class PDFPrintUtil extends PrintUtil {
 		}
 	}
 
+	/**
+	 * 출력할 텍스트가 지정한 영역 안에 들어가지 않을 경우 줄바꿈 처리를 위해 텍스트를 나누어 배열로 반환한다.
+	 */
 	public String[] splitByLineForLargeText(PDType0Font font, int fontSize, String allText, float textAreaWidth_pt) {
 
 		float allTextWidth = calcTextWidth(font, fontSize, allText);
@@ -179,6 +191,9 @@ public class PDFPrintUtil extends PrintUtil {
 		return textList.toArray(new String[textList.size()]);
 	}
 
+	/**
+	 * 텍스트를 줄바꿈 처리할 경우 첫 라인에 출력될 글자 수를 반환한다.
+	 */
 	private int getLengthForLine(PDType0Font font, int fontSize, String allText, float textAreaWidth_pt) {
 		int forLine = allText.length();
 		if(forLine <= 1) {
@@ -199,6 +214,9 @@ public class PDFPrintUtil extends PrintUtil {
 		return forLine;
 	}
 
+	/**
+	 * pdf에 이미지를 삽입한다.
+	 */
 	public void insertImage(PDDocument doc, PDPageContentStream contentStream, String imagePath, float[] XYmm,
 			float[] SIZEmm) {