HP Color LaserJet Enterprise MFP M480 Color LaserJet Enterprise MFP M480 User - Page 208
Check the sender's fax machine, Solve wired network problems, Introduction, Poor physical connection
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Check the sender's fax machine Try the following to check the sender's fax machine. Ask the sender to try sending from a different fax machine. If the fax quality is better, the problem is with the sender's fax machine. If a different fax machine is unavailable, ask the sender to consider making the following changes: ● Make sure the original document is on white (not colored) paper. ● Increase the fax resolution, quality level, or contrast settings. ● If possible, send the fax from a computer software program. Solve wired network problems Check the following information to resolve wired network issues. Introduction Certain types of problems can indicate there is a network communication problem. These problems include the following issues: Poor physical connection Check the cable connections. 1. Verify that the printer is attached to the correct network port using a cable of the correct length. 2. Verify that cable connections are secure. 3. Look at the network port connection on the back of the printer, and verify that the amber activity light flashes indicating network traffic, and the green link-status light is continuously lit indicating a network link. 4. If the problem continues, try a different cable or port on the hub. The computer is unable to communicate with the printer Verify that the printer is communicating with the network and your computer. 1. Test network communication by pinging the network. a. Open a command-line prompt on your computer. ● For Windows, click Start, click Run, type cmd, and then press Enter. ● For macOS, go to Applications, then Utilities, and open Terminal. b. Type ping followed by the IP address for your printer. c. If the window displays round-trip times, the network is working. 2. If the ping command failed, verify that the network hubs are on, and then verify that the network settings, the printer, and the computer are all configured for the same network (also known as subnet). 3. Open the printer properties and click the Ports tab. Verify that the current IP address for the printer is selected. The printer IP address is listed on the printer configuration page. 196 Chapter 9 Solve problems