Clean the product ................................................................................................................................................ 90 Clean the pickup and separation rollers ........................................................................................... 90 Clean the paper path ......................................................................................................................... 90 Clean the scanner glass strip and platen ..........................................................................................
90 Clean the touchscreen ....................................................................................................................... 91 Solve performance problems .............................................................................................................................. 92 Solve connectivity problems ............................................................................................................................... 93 Solve USB connection problems .......................................................................................................
93 Solve wired network problems ......................................................................................................... 93 Poor physical connection ................................................................................................ 93 The computer is using the incorrect IP address for the product ................................... 93 The computer is unable to communicate with the product ........................................... 94 The product is using incorrect link and duplex settings for the network ...................... 94 New software programs might be causing compatibility problems .............................
94 The computer or workstation might be set up incorrectly ............................................ 94 Solve wireless network problems .................................................................................................... 94 The product is disabled, or other network settings are incorrect ................................. 94 Wireless connectivity checklist ...................................................................................... 95 The product does not print after the wireless configuration completes ...................... 95 The product does not print, and the computer has a third-party firewall installed .....
96 The wireless connection does not work after moving the wireless router or product ............................................................................................................................ 96 Cannot connect more computers to the wireless product ............................................ 96 The wireless product 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 .................................................................. 97 Reduce interference on a wireless network ................................................................... 97 Service mode functions ....................................................................................................................................... 98 Service menu ..................................................................................................................................... 98 Service menu settings ....................................................................................................
98 Restore the factory-set defaults .................................................................................... 98 Secondary service menu ................................................................................................................... 98 Open the secondary service menu ................................................................................. 99 Product resets ................................................................................................................................. 100 Secondary service menu structure .................................................................................
99 NVRAM initialization ..................................................................................................... 100 Super NVRAM initialization ........................................................................................... 101 Product updates ................................................................................................................................................ 102 Manually update the firmware ....................................................................................................... 102 Set the product to automatically update the firmware ................................................................. 102 viii ENWW