This English quick guide is based on the Korean catalog. Confirm model-specific compatibility and installation details on the manufacturer’s official page.
Download CS820de driver
- Match the full model number on the device label, including suffixes.
- Check your operating-system version and architecture on the official support page.
- Preserve queues,ports,media,duplex,fitted options and shared jobs.
- Follow the manufacturer’s instructions for power, USB, and network connections.
Model and driver source
This guide is for the colour laser print-only,integrated duplex;usb2.0 type-b,gigabit ethernet. not cx820 mfp. wi-fi optional,not built in. product discontinued. model Lexmark CS820de. The download button opens the official Lexmark support page in this window. The manufacturer’s page is authoritative for the available driver packages and their current compatibility.
Operating-system and download checks
The Korean catalog lists these systems for checking: Actual CS820de Windows11x64 recommended package DRI1000765,Xerox/Lexmark Printer Driver and Software (Print and Scan)3.1.0.0(2026-07-31,196MB,Lexmark Printer Software Installation Package 06122026.exe). Expanded Products names CS820. Actual OS:Win11x64,Win10/8.1/8/7 x86/x64,Server2012/2012R2/2016/2019/2022/2025 x64. No ARM/Mac/Linux inference. File availability is not OS security support. Shared Scan title does not add scanner hardware.. Select your exact operating system and version on the official page. If your version is not offered, do not install a package intended for a different system.
Connection and installation
- Check exact CS820de/region,actual OS/CPU/admin rights,toner/paper/panel;preserve queues/ports/media/duplex/fitted options/shared jobs. Type-A storage ports differ from PC Type-B. Do not arbitrarily change firmware/security.
- Official model download,actual OS/version,package licence/model. Actual package details names CS820. Protected print mode requires administrator/current official compatible path,not security disabling.
- Official installation:local printer connected to PC USB before installation,then follow actual installer. Network:PC and printer same approved network,record actual panel IP;select actual CS820/address. Verify queue/port/media/duplex,test print. No scanner.
- Official CS820 guide128-129:actual fitted options via Configuration/Update Now - Ask Printer when offered;never enable absent trays/finisher. Wi-Fi ONLY with compatible installed adapter and approved WPS router:Settings/Network-Ports/Wireless/Wi-Fi Protected Setup/Start Push Button Method,actual display. Product lists N8370 whereas older manual names N8360;compatibility unresolved,ask Lexmark exact device/option before purchase. No blanket option recommendation.
- When changing Ethernet to optional wireless,coordinate actual port/IP;do not overwrite working static IP/hostname configuration. Follow fitted option/current guidance,not guessed menus.
Troubleshooting
Not found/no print:power/sleep,correct Type-B/LAN cable/ports,actual driver/model/OS/queue/IP. Wireless:installed compatible option first. Media/tray/duplex:actual loaded paper,app/driver/device size/type,fitted options only. Toner/colour faults:official quality guidance. Persistent failure:preserve jobs,coordinate optional restart,never during firmware update. No mass queue deletion,security disabling or factory reset by default.
Frequently asked questions
Where should I download the driver?
Use the official manufacturer page linked in the download panel above.
Can I use a driver for a similar model?
Do not assume it is compatible. Confirm the full model number and package on the manufacturer’s page.