Printers مكونات الحاسب وتجميعه. أنواع الطابعاتPrinters Types طابعات ضاغطة Impact printers –طابعة المصفوفة dot matrix printers –الطابعة الحرفية character.

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Presentation transcript:

Printers مكونات الحاسب وتجميعه

أنواع الطابعاتPrinters Types طابعات ضاغطة Impact printers –طابعة المصفوفة dot matrix printers –الطابعة الحرفية character printer طابعة ليست ضاغطة Non impact printers –طابعات نثر الحبر inkjet printers –طابعات الليزر laser printers

طابعة المصفوفة dot matrix printers printers use a series of small pins to strike a ribbon coated with ink, causing the ink to transfer to the paper at the point of impact. طابعات تستخدم سلسلة من الأقلام للضغط على شريط حبري معشق بالحبر، مما يسبب انتقال الحبر الى الورق عند نقطة الضغط

كيف تعمل طابعة المصفوفة dot matrix printers

الطابعة الحرفية character printer A daisy wheel printer is a type of computer printer that produces high-quality type, and was often referred to during the 1980s as a letter-quality printer, capable of so-called near letter quality (NLQ) output).computer printerletter-quality printer near letter quality طابعة ديزي ويل نوع من طابعات الكمبيوتر التي تنتج طباعة عالية الجودة مقارنة بطابعة المصفوفة.

كيف تعمل الطابعة الحرفية character printer

طابعات نثر الحبر Inkjet printers Inkjet printers, use a series of nozzles to spray drops of ink directly on the paper. طابعات نثر الحبر تستخدم مجموعة من الفوهات (الأنوف) لرش نقاط من الحبر مباشرة على الورق

مكونات طابعات نثر الحبر Inkjet printers Print head assembly –Print head –Ink cartridges –Print head stepper motor –Belt –Stabilizer bar Paper feed assembly –Paper tray/feeder –Rollers –Paper feed stepper motor Power supply Control circuitry Interface port(s)

The print head assembly

Stepper motors

stabilizer bar

The rollers

Control circuitry

Interface port(s)

علبة الحبر A typical color ink cartridge: This cartridge has cyan, magenta and yellow inks in separate reservoirs.

نوعية الورق وجودة الطباعة Imagine that the dot on the left is on coated paper and the dot on the right is on low- grade copier paper. Notice how irregular and larger the right dot is compared to the left one.

طابعات الليزر laser printers The path of a piece of paper through a laser printer

The basic components of a laser printer

Drum

Fuser

مكونات طابعة الليزر

Toner

the toner hopper