HP LaserJet Pro 400 Printer M401 series - Manual (Page 10)

Print a cleaning page (touchscreen control panel) ....................................... 108
Inspect the toner cartridge for damage .................................................................... 108
Check the paper and printing environment ............................................................... 110
Use paper that meets HP specifications ..................................................... 110
Check the product environment ................................................................ 110
Check print job settings .......................................................................................... 110
Check the EconoMode setting .................................................................. 110
Use the print driver that best meets your printing needs .............................................. 111
The product does not print or it prints slowly ............................................................................ 112
The product does not print ...................................................................................... 112
The product prints slowly ........................................................................................ 113
Solve walk-up USB printing problems ...................................................................................... 114
The USB Flash Drive menu does not open when you insert the USB accessory ............... 114
The file does not print from the USB storage accessory ............................................... 114
The file that you want to print is not listed in the USB Flash Drive menu ........................ 115
Solve direct connection problems ........................................................................................... 116
Solve wired network problems ............................................................................................... 117
Poor physical connection ....................................................................................... 117
The computer is using the incorrect IP address for the product ..................................... 117
The computer is unable to communicate with the product ........................................... 118
The product is using incorrect link and duplex settings for the network ......................... 118
New software programs might be causing compatibility problems .............................. 118
The computer or workstation might be set up incorrectly ............................................. 118
The product is disabled, or other network settings are incorrect ................................... 118
Solve wireless network problems ............................................................................................ 119
Wireless connectivity checklist ................................................................................ 119
The product does not print after the wireless configuration completes ........................... 119
The product does not print, and the computer has a third-party firewall installed ........... 120
The wireless connection does not work after moving the wireless router or product ........ 120
Cannot connect more computers to the wireless product ............................................. 120
The wireless product loses communication when connected to a VPN .......................... 120
The network does not appear in the wireless networks list .......................................... 120
The wireless network is not functioning ..................................................................... 121
Perform a wireless network diagnostic test ................................................................ 121
Reduce interference on a wireless network ............................................................... 122
Solve product software problems with Windows ...................................................................... 123
A print driver for the product is not visible in the Printer folder .................................... 123
An error message was displayed during the software installation ................................ 123
The product is in Ready mode, but nothing prints ...................................................... 123
Solve product software problems with Mac OS X ..................................................................... 125
The print driver is not listed in the Print & Fax or Print & Scan list ................................. 125
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