HP Pro X X451DN Inkjet CN459A#B1H manual 139

Disable unused protocols and services	131
Administrator Settings	132
Color Access Control	132
Protected Protocols – HTTPS	132
Firewall	132
Scan-to and Fax-to Folder Authentication	132
Syslog	132
Certificates	133
Signed Firmware	133
Wireless Authentication	133
Economy settings	134
Print with General Office mode	134
Power handling	134
Clean the product	136
Clean the control panel	136
Product updates	137
11 Solve problems	139
Customer support	140
Problem-solving checklist	141
Step 1: Check that the product power is on	141
Step 2: Check the control panel for error messages	141
Step 3: Test print functionality	141
Step 4: Try sending a print job from a computer	141
Step 5: Test the Plug and Print USB Drive printing functionality (X551 Series)	142
Factors that affect product performance	142
Restore the factory-set defaults	142
Paper feeds incorrectly or becomes jammed	143
The product does not pick up paper	143
The product picks up multiple sheets of paper	143
Prevent paper jams	143
Clear jams	145
Jam locations	145
Clear jams in Tray 1(Multi-purpose tray)	145
Clear jams in Tray 2	149
Clear jams in optional Tray 3	150
Clear jams in the left door	151
Clear jams in the output bin	153
Clear jams in the duplexer	154
Improve print quality	157
Use the correct paper type setting in the printer driver	157

ENWW ix