This document is about the Lenovo Laser Printer Maintenance Manual. It provides information about the features and characteristics of the printer, as well as installation and basic operation.
This service manual provides detailed instructions for technicians to install, operate, disassemble, and re‑assemble the Lenovo LJ2000/2050N laser printer. It includes safety information, hardware specifications, and step‑by‑step procedures for regular maintenance and part replacement.
The document also contains troubleshooting guides, error‑message tables, and instructions for using the built‑in self‑diagnostic software. Appendices provide circuit diagrams and default NVRAM settings for the printer. This manual is written in Chinese.
| Print speed | Up to 20 pages per minute (A4 or Letter) |
|---|---|
| Print resolution | 600 dpi |
| Toner cartridge life | 1,500 pages (random) / 2,500 pages (standard) |
| Drum unit life | 12,000 pages (A4 or Letter) |
| Supported paper weight | 60 – 105 g/m² |
| Paper thickness | 0.08 – 0.12 mm |
| NVRAM default toner‑indicator count | 12,000 pages |
The printer can print up to 20 pages per minute on A4 or Letter size paper.
Paper with a basic weight of 60 to 105 g/m² is recommended.
A toner cartridge lasts about 1,500 pages in random mode or up to 2,500 pages in standard mode.
The drum unit is rated for 12,000 pages (A4 or Letter).