Inkjet printers: ink dries over time
Which time you're talking about? Decades or centuries. Honestly, are you repeating experiences we all made 20-30 years ago. Or do you have made any experience in the last 5 years with inkjet printers in the more than 200€ class? (read - not the cheapest crap you can get but in the price range of cheap laser)
Yes there's still a problem when you cut the power supply regularly with inkjets in comparison to laser printers. But as the all now consume way less then 1W in stdby this is no more than a few € a year. Over an estimated lifetime of 10 years f.i. less than 20€. You'll save a lot more of money with the inkjet in this 10 years cause the ink costs per page are much lower then the toner costs for a laser THESE days. Yes it was different 10 or 20 or 30 years ago. But time has changed.
(Hope my new Brother inkjet with Postscript and A3 will last longer than the latest laser printers I bought. But I'm still very confident)
I didn't use my inkjet for about 1 and 1/2 year and trying to print a document, some color including black didn't work (the cartradge were full of ink but the ink was drie!)
This never happens with laser printer. I already have one but I have to change the cartrage (expensive but able to print above 5000 pages (one black cartridge:8000pages, each color cartridge: 4000pages ) compared to an inkjet cartridge limited to a few hundred pages max:930pages for the black cartridge) - in my case, the price per page is far lower for my laser printer than my inkjet cartradge and nearly the same using compatible ink cartradge but the resulting quality isn't the same.
(laser printer can use coimpatible cartridge too but never tried yet. My first cartridge into the laser printer)
HP inkjet with (front/back printing option) - print head included into the cartrage
Lexmark color laser printer (front/back printing option too and faster than the inkjet)
When using original manufactured cartridge (with maximum capacity):
For my inkjet: black 70€ (0.0752€ per page)
Lexmark: black 188€ (0.0235€ per page)
The difference is higher using compatible ink cart.
"HP 980Cxi" with duplex option - same as 990Cxi
"Lexmark CD510DE"