爱普生230打印机的字有毛边,校准了一下,原来打印出的是灰色的色块却变成了绿色,这是怎么回事

2025-03-11 01:09:15
推荐回答(4个)
回答1:

您好,您可以尝试如下操作:
请进行打印机喷嘴检查,若有缺色或断线的现象,请进行喷嘴清洗。选择“开始”—“控制面板”—“打印机”或“打印与传真” ,鼠标右键点击打印机图标,选择“打印首选项”—“维护” 或“应用工具”;选择 “喷嘴检查”,根据屏幕提示选择“打印”,打印机将打印出喷嘴检查样张;如果打印的喷嘴检查图案出现缺色或断线的情况,请选择“打印头清洗”按钮;当天清洗打印头3次仍无效,建议放置24小时,使墨水充分浸润打印头,再做喷嘴检查,以免浪费墨水;搁置24小时之后,请再做2次打印头清洗,如果仍无效,您需要与爱普生授权的服务中心联系对打印机进行专业的清洗,您可浏览以下网址查看就近的服务中心:
http://www.epson.com.cn/apps/tech_support/InstitutesSearchNew.aspx

回答2:

灰色平衡在印刷过程中的重要性

在印刷程序中,灰色平衡是实现高品质扫描色彩再生和打样印刷的基本要素。在扫描过程中,灰色不平衡的图象被称为“色偏”。这样的图象在其高调、中间调及低调下显示出品红色、青色或黄色或三种颜色的混合。这就需要进行颜色修正,以去掉多余的颜色。而灰色平衡的图象,就只需要对特殊区域进行色彩加强调整,例如,草地的绿色加强,天空的蓝色加强等。

打样系统必须能够复制中性灰色调。如果文件是正确的,而打样器输入时出现色偏,那么所有的色彩就会脱离灰色平衡。打样中色偏的发生就需要印刷机不按中性灰色调进行调整。

彩色印刷过程中的秘诀就是只能产生两种印刷效果——灰色平衡或发生色偏。即或是选择适当的层次梯尺,或是发生少许色偏。如果产生了色偏,那么色彩就会重叠。

实际上所有的印刷操作员都遵循着这一原则,当操作员在检查印品的时候注意到了色彩发生偏差,三种基本色出现过重现象,那么就会调整减弱发生色偏的颜色。操作员的控制在于着墨的多少,当然,网点扩大或网点面积也是相当重要的。操作员不能改变印版上网点的尺寸,但可以通过增加或减少油墨来进行网点补正。

当今印刷过程中存在的主要问题是印版的明度不正确。印版的明度需要通过调整以适合印刷四原色。四原色中任何一种颜色都需要有它自己的印版曲线以达到在印刷过程中复制适当的灰色。大多数印刷操作员只为四原色准备了一个印版曲线。还有一些问题也需要注意:中间调需要怎么样的暗度和亮度?网屏组合和Photoshop图象要调整在20%左右的网点扩大刻度,或是中间调网点补正,就意味着50%的网点补正值能够印刷出70%的相对值。多数线性印版的网点补正在印刷过程中大概在14%到16%,而经过Photoshop的分解打印出来的效果会偏亮。

大部分印刷商都存在印版制版问题。对于他们来说使用错误的印版网点尺寸不可能控制好灰色平衡和颜色。方法是在需要密度条件下使用完整的层次梯尺打印出测试页。然后根据标准的梯尺比较并调整印版的明度。每一个色标都应该包含一个三色的以50C-40M-40Y呈现的灰块。这个灰块当以正确的浓度和网点补正值进行打印的时候,就会生成适当的没有色偏的图象。这也可以使用反射密度计进行测量。密度计需要打开全部的滤色镜。现在黄色、品红色和青色的着墨情况可以通过密度来测量。当这三种颜色的滤色镜都显示平衡的时候,那么色块就是合适的。0.03密度上的差距是可以接受的。

回答3:

连供的效果就这样,清洁打印头

回答4:

堵了,打印头堵了,清一下,再看看,
爱普生 打印机有清洗打印头的程序

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