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.
Standard sizes of printer inks are purchased by people with the highest quality printers who do not want to make too many prints or prefer to buy accessories that have generally accepted sizes.
This is because large-size printer inks are usually slightly cheaper or covered by special promotions that make them really attractive.
However, the price you have to pay for the possibility of online orders can be deterred by smaller printing houses and printing plants from such an investment. .