So I tried these setting and it worked: overscan_left=0 overscan_right=0 overscan_top=0 overscan_bottom=0 #disable_overscan=1 hdmi_drive=1 hdmi_ignore_edid=0xa5000080 hdmi_group=2 hdmi_mode=87 #60Hz hdmi_pixel_freq_limit=206000000 hdmi_timings=1440 0 150 5 5 2560 0 3 1 9 0 0 0 60 0 205210000 1 max_f...

The Pi 2 doesn't officially support 2K screens. You need to force it with a custom resolution in /boot/config.txt. See https://github.com/area515/Photonic3D/issues/286 Refresh rate suffers once you go higher than full HD resolutions but if you're using this in a 3D printer then that shouldn't matte...

Hi Heydt,
Yes the resolution of the screen is 1440x2560, I just used the info like the Aliexpress link.
One more info, when I connect the Pi to my samsung monito via hdmi to vga adapter, it can output image.
Do you have any idea about this?

Hello, I’m working on a project of making an 3d printer with my old raspberry pi 2 model B . I purchased following 2k screen from aliexpress: https://www.aliexpress.com/item/32813542714.html?spm=a2g0s.9042311.0.0.63fd4c4dcx2Llx I tested it with my laptop and it works perfectly. However when I connec...