偏色：原因可能有原稿质量较差、制版不准确、晒版条件控制不一致、墨色控制步好、看样台光源不标准等颜色暗淡，不鲜艳：济南印刷厂认为可能有原稿质量较差、制版曲线设计不佳、分色片密度较低、晒版不实印迹过浅、印刷压力不足、印刷机老化、润版液过量、纸张粗糙、白度过低等。

Color deviation: The reasons may include poor original quality, inaccurate plate making, inconsistent plate setting conditions, good ink color control steps, non-standard sample table light source, etc. The color may be dim and not bright. Jinan Printing Factory believes that there may be poor original quality, poor plate making curve design, low color separation film density, inaccurate plate setting, too light imprints, insufficient printing pressure, aging printing machine, excessive fountain solution, rough paper, and low whiteness.

文字发水：原因可能有阳图密度较低、胶片灰雾度较大、晒版不实印迹过浅、印刷压力不足、印刷机老化、润版液过量、油墨量不足等。

Text moisture: The reasons may include low positive image density, high film haze, inaccurate printing, insufficient printing pressure, aging of the printing machine, excessive fountain solution, insufficient ink volume, etc.

糊版：由于印版图文部分溢墨，造成承印物上的印迹不清晰，属胶印印品故障。

Paste plate: Due to ink overflow in the image and text of the printing plate, the imprint on the substrate is not clear, which is a malfunction of offset printing.

脏版：因印版润湿部分不良，造成空白部分着墨。

Dirty plate: Due to poor wetting of the printing plate, ink is applied to the blank area.

掉版：平印版的图文细微调子变浅，网点和线条面积减小，甚至失去亲墨性。

Plate drop: The subtle tone of the graphic and text on the flat printing plate becomes lighter, the dot and line area decreases, and even loses ink affinity.

网点增大：承印物上网点面积比印版上相应部分的网点面积增大。

Dot increase: the dot area of the substrate is larger than that of the corresponding part of the printing plate.

堆墨：油墨或其他物质沉积在墨辊或橡皮布上，形成浮雕状的沉积物，影响油墨和印迹转移。

Stacking ink: Ink or other substances deposit on ink rollers or blanket, forming embossed deposits that affect ink and imprint transfer.

脱墨：金属墨辊受湿润液侵蚀发生氧化而排斥油墨的现象。

Deinking: The phenomenon of metal ink rollers being eroded by wetting solution and oxidizing, resulting in the rejection of ink.

油墨乳化：印刷过程中油墨吸收润湿液的现象或由于油墨中吸收润湿液过多而造成的印刷故障。

Ink emulsification: The phenomenon of ink absorbing wetting liquid during the printing process or printing malfunction caused by excessive absorption of wetting liquid in the ink.

拉毛：印刷过程中，因油墨太黏或纸张表面强度差异致纸张纤维、填料或涂料从纸张表面脱落或被拉掉。

Brushing: During the printing process, paper fibers, fillers, or coatings may detach or be pulled off the surface of the paper due to excessive ink adhesion or differences in surface strength.

印刷故障：在印刷过程中影响生产正常进行或造成印刷品质量缺陷的现象之总称。

Printing malfunction: A general term for the phenomenon that affects the normal production process or causes quality defects in printed materials during the printing process.

套印不准：在套色印刷过程中，印刷迹重叠的误差。重影：在印刷品上同一色网点、线条或文字出现的双重轮廓。

Misregistration: The error in overlapping printing marks during the color printing process. Double shadow: A double outline that appears on the same color dot, line, or text in printed matter.

背面粘脏：印在承印物上的印刷油墨，粘在另一印张的背面，造成蹭脏。

Back dirty: Printing ink printed on the substrate adheres to the back of another sheet, causing scratches and dirt.

透印：印在纸张上的图文在背面可见。

Through printing: The images and text printed on the paper are visible on the back.

印刷产品常见质量问题及原因分析就讲解到这里了，希望能够给您好的帮助，更多事项就来我们网站http://www.xinfengyinshua.cn咨询吧！

That's all for the common quality problems and cause analysis of printing products. We hope to provide you with good help. For more information, please come to our website http://www.xinfengyinshua.cn Consult!