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  2. Toner refill - Wikipedia

    en.wikipedia.org/wiki/Toner_refill

    While toner cartridges are commonly refilled with results reported to be good, in at least some cases refilling without full remanufacturing may leave waste toner from each print and paper debris in the cartridge, potentially causing backgrounding problems and producing contamination in the refilled cartridge.

  3. List of printing protocols - Wikipedia

    en.wikipedia.org/wiki/List_of_printing_protocols

    A printing protocol is a protocol for communication between client devices (computers, mobile phones, tablets, etc.) and printers (or print servers).It allows clients to submit one or more print jobs to the printer or print server, and perform tasks such as querying the status of a printer, obtaining the status of print jobs, or cancelling individual print jobs.

  4. Hewlett-Packard - Wikipedia

    en.wikipedia.org/wiki/Hewlett-Packard

    HP responded that products worth US$ 120 million were sold in fiscal year 2008 [42] for distribution via Redington Gulf, a company based in the Netherlands, and that as these sales took place through a foreign subsidiary, HP had not violated sanctions. [38] HP named Redington Gulf "Wholesaler of the Year" in 2003, which in turn published a ...

  5. GPIB - Wikipedia

    en.wikipedia.org/wiki/GPIB

    HP computer peripherals which did not utilize the RS-232 communication interface often used HP-IB including disc systems like the HP 7935. Some of HP's advanced pocket calculators of the 1980s, such as the HP-41 and HP-71B series, also had IEEE 488 capabilities, via an optional HP-IL/HP-IB interface module.

  6. Year 2038 problem - Wikipedia

    en.wikipedia.org/wiki/Year_2038_problem

    The problem is similar in nature to the year 2000 problem, the difference being the Year 2000 problem had to do with base 10 numbers, whereas the Year 2038 problem involves base 2 numbers. Analogous storage constraints will be reached in 2106 , where systems storing Unix time as an unsigned (rather than signed) 32-bit integer will overflow on 7 ...

  7. The Sirius Mystery - Wikipedia

    en.wikipedia.org/wiki/The_Sirius_Mystery

    The Sirius Mystery is a book written by Robert K. G. Temple (born Robert Kyle Grenville Temple in 1945) supporting the pseudoscientific [1] ancient astronauts hypothesis that intelligent extraterrestrial beings visited the Earth and made contact with humans in antiquity and prehistoric times.

  8. History of laptops - Wikipedia

    en.wikipedia.org/wiki/History_of_laptops

    R2E CCMC Portal laptop. The portable microcomputer "Portal", of the French company R2E Micral CCMC, officially appeared in September 1980 at the Sicob show in Paris.The Portal was a portable microcomputer designed and marketed by the studies and developments department of the French firm R2E Micral in 1980 at the request of the company CCMC specializing in payroll and accounting.

  9. Magnetic storage - Wikipedia

    en.wikipedia.org/wiki/Magnetic_storage

    The programmable calculators of the HP-41-series (from 1979) could store data via an external magnetic tape storage device on microcassettes.. Magnetic storage in the form of wire recording—audio recording on a wire—was publicized by Oberlin Smith in the Sept 8, 1888 issue of Electrical World. [1]