This document is the user manual for Lenovo products, providing instructions and requirements for installation and use of Lenovo products. It emphasizes the importance of operating the product correctly and Lenovo's commitment to improving product functionality and service quality. It also includes safety precautions and a guide on using the printer.
This manual provides detailed guidance for installing, configuring, and using the Lenovo LJ2250/LJ2250N laser printer. It covers safety precautions, hardware setup, driver installation for Windows and Macintosh, and network configuration for the LJ2250N model.
The document also includes regular maintenance procedures, consumable replacement, cleaning instructions, and a comprehensive troubleshooting section to resolve common printing and network issues. This manual is written in Chinese.
Use a dry, lint‑free cloth for the exterior, avoid vacuum cleaners inside the printer, and do not use solvents or alcohol‑based cleaners.
The printer contains high‑voltage components; always power off and unplug before cleaning, never touch hot parts, and avoid using a vacuum inside the unit.
Use a USB cable no longer than 2 meters and connect it directly to a computer USB port; do not connect to a keyboard or unpowered USB hub.