Consumers products these days are not designed to last. Not much longer than the warranty period. This is especially so for those who are heavy users when the product is meant for domestic use, that is to say light use. In this case, those all-in-one printers for home use are for the occasional prints once in a few days. Not daily heavy duty printing la.
If you're a heavy user, better buy those that are designed for commercial use.
Warranty - if you're a heavy user, it might be good to go for extended warranty like 3 to 5years to have the peace of mind and got to pay the price for it. IMO, it is worth to pay. Unless you prefer to buy a new gear every now and then.
Service centres - well, they are just another cost centre - no FOC service la.
My cousin used to work for a company sell el cheapo fans, rice cookers, home phones etc. They would rather give you a 1-2-1 exchange than to repair during the 1year warranty. Cost less than to keep spare parts, train technicians to do the repair. Guess what, hardly anyone come back with a faulty $25 stand-fan - reason, cost you $5 taxi fare to go, another $5 to return and your time! Even if you drive, the time you spend to and fro and collect and the parking there. So, just thow the fan even if it is within warranty, if you got ***luck!