Lexmark C540 Service Manual - Page 21

5025-2xx, 4xx Connectivity (network support) ✔-Supported ✘-Not supported Network protocol Lexmark C540n, C543dn, C544dn Lexmark C544dw Standard Ethernet 10/100 Base T ✔ ✔ Standard USB-B (Full speed) device port ✔ ✔ USB-A host ports ✘ ✔ (In front, low/full speed) This port only supports the following flash drives and file types: Supported flash drivesa: Lexar FireFly (512 MB/1GB size), SanDisk Cruzer Micro (512 MB/1 GB size), or Sony (512 MB/ 1 GB). Supported file typesb: .pdf, .gif, .jpeg, .jpg, .bmp, .png, .tiff, .tif, .pcx, .dcx 802.11n Wireless Network card ✘ ✔ Manufacturing installs the wireless card. A wireless card CANNOT be installed postmanufacturing. a While other USB flash drives have not been tested, and therefore cannot be approved by Lexmark, these products may function if the storage device meets the following qualifications: • Supports the USB 2.0 specification supporting the Full-Speed mode • Uses the FAT file system b PDF files used with Direct USB printing must support PDF standard version 1.5 or earlier. PDF files with restricted printing permissions or encryption are not supported. Operating modes Mode Normal Quiet Eco-Mode (Energy and Energy + Paper) Description Factory default Designed for customers where noise levels are a very important factor. • Print quality is maintained at factory default level. • Speed is reduced. Designed for customers where the environment is a key factor. There are three options; Energy, Paper, and Energy+ Paper. • Print quality is maintained. • Power Saver is set to one minute. • Fuser standby is off. • The operator panel back light is off. • Power supply energy consumption is reduced. • Duplex is on if Energy + Paper is selected (duplex models only) (can be overwritten by the driver). General information 1-3