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This category contains issues and processes that are the focus of Category:print production and can affect the outcome of printing quality in positive or negative ways. Pages in category "Quality issues in printing"
A 35 mm optical printer with two projector heads, used in producing movie special effects and film restoration. Starting from the left, light is shining from the lamp house, then at A is the first projector's film gate, at B a lens that projects the film in A onto the second projector's wet gate C (note the white hoses for the liquid).
The use of over-the-counter artificial-tear solutions can reduce the effects of dry eye in CVS. Prior to using artificial tear solutions, it is necessary to check if dry eye is the actual cause of the problem (measured by a tear meniscus test) [7] or whether there are no actual symptoms of dry eye at all. Dry eyes because of CVS can also be ...
Properly performed contact printing generally creates less degradation provided that the contact between the negative and the print film is perfect. Optical printing can emphasize the grain structure and any imperfections in the negative. [13] Also, since a new, different piece of film was exposed and printed, matching the exact colors of the ...
A page or photograph which shows the same image twice, but slightly displaced–from a printing mishap, a camera moving during the shot, etc.–can cause eye strain due to the brain misinterpreting the image fault as diplopia and reacting by adjusting the sideways movements of the two eyeballs, in an attempt to fuse the two images into one.
Screen printing is a printing technique where a mesh is used to transfer ink (or dye) onto a substrate, except in areas made impermeable to the ink by a blocking stencil.A blade or squeegee is moved across the screen in a "flood stroke" to fill the open mesh apertures with ink, and a reverse stroke then causes the screen to touch the substrate momentarily along a line of contact.
AirPrint is a feature in Apple Inc.'s macOS and iOS operating systems for printing without installing printer-specific drivers.. Connection is via a local area network (often via Wi-Fi), [1] [2] either directly to AirPrint-compatible printers, or to non-compatible shared printers by way of a computer running Microsoft Windows, Linux, [3] or macOS.
[1] Machine components such as the print cylinder, doctor blade assembly, printing plates, stress/friction and more, affect the registration of the machine. [2] Inconsistencies among these components can cause the printing press to fall out of registration; that is when press operators will begin to see defects in their print.