Printers usually have the label inside the front access door or on the back. Laptops have it on the underside. Monitors put it on the back panel near the stand.

What Synology Computers, Printers & Office manuals cover

Wireless setup
Paper jam clearing
Cartridge and toner replacement
Port and connector guide
Specifications

Common jobs

Setup & install

Setup and installation instructions

First use, pairing and installation

Specs

Specifications and technical details

Dimensions, ratings, compatibility

Factory reset

How to factory reset almost anything

Button holds, menu paths and what you lose