HP Color LaserJet Pro M155-M156 User Guide - Page 8

Step one: Use paper that meets HP specifications 77 Step two: Check the environment 77 Step three: Set the individual tray alignment 78 Try a different print driver ...79 Check the EconoMode settings ...79 Adjust Print Density ...80 Calibrate the printer to align the colors ...81 Adjust color settings (Windows) ...82 Print and interpret the print quality page ...82 Resolving print quality problems ...84 Introduction ...84 Troubleshoot print quality problems ...84 Solve wired network problems ...92 Introduction ...92 Poor physical connection ...92 The computer is using the incorrect IP address for the printer 92 The computer is unable to communicate with the printer 93 The printer is using incorrect link and duplex settings for the network 93 New software programs might be causing compatibility problems 93 The computer or workstation might be set up incorrectly 93 The printer is disabled, or other network settings are incorrect 93 Solve wireless network problems ...94 Introduction ...94 Wireless connectivity checklist ...94 The printer does not print after the wireless configuration completes 95 The printer does not print, and the computer has a third-party firewall installed 95 The wireless connection does not work after moving the wireless router or printer 95 Cannot connect more computers to the wireless printer 95 The wireless printer loses communication when connected to a VPN 96 The network does not appear in the wireless networks list 96 The wireless network is not functioning ...96 Perform a wireless network diagnostic test 96 Reduce interference on a wireless network 97 Index ...99 vi ENWW