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  2. Continuous ink system - Wikipedia

    en.wikipedia.org/wiki/Continuous_ink_system

    More expensive, business-grade printers use progressively larger ink tanks on the printhead, but as the platen width and speed of the printer increases it eventually becomes impractical to have the tanks integrated with the printheads due to the high mass and inertia the liquid volume adds to the printheads and the reduced accuracy of printing ...

  3. Problem solving - Wikipedia

    en.wikipedia.org/wiki/Problem_solving

    Problem solving is the process of achieving a goal by overcoming obstacles, a frequent part of most activities. Problems in need of solutions range from simple personal tasks (e.g. how to turn on an appliance) to complex issues in business and technical fields.

  4. Conservation-restoration of dye diffusion transfer prints

    en.wikipedia.org/wiki/Conservation-restoration...

    The issue of temperature being too high, too low, or simply fluctuating can cause problems for dye diffusion transfer prints. Incorrect temperature alone can cause cracking, yellowing, or distortion, but also correlate with flammability and humidity problems. [9] Ultraviolet and infrared light

  5. Spark printing - Wikipedia

    en.wikipedia.org/wiki/Spark_printing

    The Sinclair ZX Printer, a small spark printer for the ZX81 and ZX Spectrum computers. Spark printing is an obsolete form of computer printing and before that fax and chart recorder printing which uses a special paper coated with a conductive layer over a contrasting backing, originally black carbon over white paper but later aluminium over black paper.

  6. Phase problem - Wikipedia

    en.wikipedia.org/wiki/Phase_problem

    In physics, the phase problem is the problem of loss of information concerning the phase that can occur when making a physical measurement. The name comes from the field of X-ray crystallography , where the phase problem has to be solved for the determination of a structure from diffraction data. [ 1 ]

  7. Dirichlet problem - Wikipedia

    en.wikipedia.org/wiki/Dirichlet_problem

    For example, the solution to the Dirichlet problem for the unit disk in R 2 is given by the Poisson integral formula. If f {\displaystyle f} is a continuous function on the boundary ∂ D {\displaystyle \partial D} of the open unit disk D {\displaystyle D} , then the solution to the Dirichlet problem is u ( z ) {\displaystyle u(z)} given by

  8. XY problem - Wikipedia

    en.wikipedia.org/wiki/XY_problem

    The XY problem obscures the real issues and may even introduce secondary problems that lead to miscommunication, resource mismanagement, and sub-par solutions. The solution for the support personnel is to ask probing questions as to why the information is needed in order to identify the root problem Y and redirect the end user away from an ...