Check the scanner glass for dirt and smudges ........................................................... 188
Check the send-fax resolution setting ....................................................................... 189
Check the image adjustment settings ....................................................................... 189
Optimize for text or pictures ................................................................................... 190
Check the Error Correction setting ........................................................................... 190
Send to a different fax machine .............................................................................. 191
Clean the pickup rollers and separation pad in the document feeder ........................... 191
Check the Fit-to-Page setting ................................................................................... 192
Check the sender's fax machine .............................................................................. 192
Perform a fax diagnostic test ................................................................................... 193
The product does not print or it prints slowly ............................................................................ 194
The product does not print ...................................................................................... 194
The product prints slowly ........................................................................................ 195
Solve walk-up USB printing problems ...................................................................................... 196
The USB Flash Drive menu does not open when you insert the USB accessory ............... 196
The file does not print from the USB storage accessory ............................................... 196
The file that you want to print is not listed in the USB Flash Drive menu ........................ 197
Solve direct connection problems ........................................................................................... 198
Solve wired network problems ............................................................................................... 199
Poor physical connection ....................................................................................... 199
The computer is using the incorrect IP address for the product ..................................... 199
The computer is unable to communicate with the product ........................................... 200
The product is using incorrect link and duplex settings for the network ......................... 200
New software programs might be causing compatibility problems .............................. 200
The computer or workstation might be set up incorrectly ............................................. 200
The product is disabled, or other network settings are incorrect ................................... 200
Solve wireless network problems ............................................................................................ 201
Wireless connectivity checklist ................................................................................ 201
The product does not print after the wireless configuration completes ........................... 201
The product does not print, and the computer has a third-party firewall installed ........... 202
The wireless connection does not work after moving the wireless router or product ........ 202
Cannot connect more computers to the wireless product ............................................. 202
The wireless product loses communication when connected to a VPN .......................... 202
The network does not appear in the wireless networks list .......................................... 202
The wireless network is not functioning ..................................................................... 203
Perform a wireless network diagnostic test ................................................................ 203
Reduce interference on a wireless network ............................................................... 204
Solve product software problems with Windows ...................................................................... 205
A printer driver for the product is not visible in the Printer folder .................................. 205
An error message displayed during the software installation ....................................... 205
The product is in Ready mode, but nothing prints ...................................................... 205
xii ENWW