9 Replies Latest reply on Apr 25, 2017 5:40 AM by BenjaminSP

    Bitmap error


      Hi everyone,


      I have a problem with bitmap.

      I want to separate a graphic I made into the four CMYK channels for printing.

      I start with my design in RGB mode. At first, I reduce the layers to one and change the mode to CMYK.

      Then, I separate the channels with the "split channels" function.

      Now I have my channels in grayscale and separated.

      I go to Mode —> Bitmap —> Input & Output are on 300 Pixels/Inch, Method is Halftone.

      Next, I choose the calculated frequency of 30 (120 mesh count, screen printing) and for my first color an angle of 15°. For shape, I choose ellipse.

      Then I press Ok.


      The result is a completely weird, digital error like picture in halftone, with elements from different layers of the project and sometimes even layers from different projects. It seems like Photoshop somehow empties it's whole media cache into my picture.


      Here I have the result before and after bitmap:


      Screenshot 2017-04-25 11.52.16.pngScreenshot 2017-04-25 11.18.56.png


      I don't really think I'm doing something wrong here, but who knows.

      Maybe, it's a common error and I need to install a driver or whatever...


      I hope someone can help me with this.


      Background information:

      I'm working on a MacBook Pro 2014 on OS X 10.10.5

      My Photoshop version is CS6, version 13.0


      Do you need any further information?


      Thank you in advance for your help!


      Best regards,