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Printers
Small & Medium Business
Enterprise & Large Business
Supplies & Parts
Choose genuine Lexmark supplies
Choose genuine Lexmark parts
Lexmark extended warranty plans
Industries & Solutions
Industries
Banking
Government
Healthcare
Insurance
Education
Manufacturing
Retail
Solutions
Cloud Services
Security
Print
Capture
Services
Managed Print Services
Cloud Services
Hardware Warranty and Repair Service
Professional Services
Customer Support
Product Support
Support Hub
Product Registration
Warranty & Service
Downloads
Drivers & Downloads
Universal Print Driver
Markvision Enterprise
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How-to Videos
Multifunction Products
Lexmark CX421
Lexmark CX421
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Setting up the printer
Learn how to set up your printer for the first time.
View product documentation
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Preparing your printer
Setting up the printer
Installing the 650‑sheet tray
Installing the 550‑sheet tray
Installing the wireless network adapter
Using your printer
Loading trays
Loading the multipurpose feeder
Loading the manual feeder
Replacing supplies
Replacing a toner cartridge
Replacing the waste toner bottle
Replacing a black imaging kit
Replacing a black and color imaging kit
Maintaining the printer
Cleaning the scanner
Replacing the pick tires
Troubleshooting
Clearing paper jam in door A
Clearing paper jam in the multipurpose feeder
Clearing paper jam in tray 1 or the manual feeder
Clearing paper jam in optional trays
Clearing paper jam in door C
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