Repair is not worth it?
Computer repair often pays off. There are such failures that it is difficult to tell what really broke down. One of the more common problems is that the computer or laptop does not turn on. The cause can be almost anything - from trivial problems with the power supply, to serious defects on the motherboard. That is why it is worth taking the equipment for service, because the fault can be trivial and inexpensive to repair. Even if we do not have a guarantee anymore, but our computer still performs well, it's worth servicing,
Printer - Wikipedia definition
In computing, a printer is a peripheral device which makes a persistent human-readable representation of graphics or text on paper. The first computer printer designed was a mechanically driven apparatus by Charles Babbage for his difference engine in the 19th century; however, his mechanical printer design was not built until 2000. The first electronic printer was the EP-101, invented by Japanese company Epson and released in 1968. The first commercial printers generally used mechanisms from electric typewriters and Teletype machines. The demand for higher speed led to the development of new systems specifically for computer use. In the 1980s were daisy wheel systems similar to typewriters, line printers that produced similar output but at much higher speed, and dot matrix systems that could mix text and graphics but produced relatively low-quality output. The plotter was used for those requiring high quality line art like blueprints.
Źródło: https://en.wikipedia.org/wiki/Printer_(computing)
Printers
Who today does not have a printer at home. Their prices are becoming more affordable and operating costs lower. Multifunction devices offer increasingly larger scanning resolutions, less margin, larger formats, etc.
But still, such home printers are far behind the professional equipment used in professional printers. Not to mention the much larger range of techniques used, which have nothing to do with those we know from home printers. Printed roll, solvent, water, anhydrous - long to exchange. The quality of such printouts is higher, which entails the obvious higher costs of printing itself.