This document is a user manual for Lenovo products, providing detailed instructions on installation, usage, configuration, troubleshooting, and maintenance of Lenovo products.
This manual introduces the Lenovo M7020/M7030 laser printer, covering installation, initial configuration, and recommended paper types. It guides users through basic functions such as printing, copying, and scanning, and explains the control panel and menu options.
The document also details maintenance procedures, safety information, specifications, and troubleshooting steps, including how to replace the toner cartridge, clean the drum unit, and resolve common error messages. This manual is written in Chinese.
| Laser diode wavelength | 770‑810 nm |
|---|---|
| Laser output power | Maximum 5 mW |
| Laser class | Class 3B |
| IEC safety standard | IEC 60825‑1 Class 1 laser product |
| Supported voltage (model specific) | 220‑240 V |
| Recommended paper weight | 75‑90 g/m² |
Refer to the section on replacing the toner cartridge (LT2020) on page 6‑30.
Clean the primary corona wire and drum unit as described in the cleaning sections (pages 6‑29 and 6‑19).
Disconnect the power cord before cleaning internal components and avoid touching high‑temperature parts.