HP LASERJET PROFESSIONAL CP1020 - Page 10

9 Solve problems ............................................................................................................................................ 93
Self help ............................................................................................................................................................... 94
Solve problems checklist ..................................................................................................................................... 95
Step 1: Make sure that the product is set up correctly ..................................................................... 95
Step 2: Check the cabling or wireless connection (network models only) ....................................... 95
Step 3: Check to see if any control-panel lights are lit ..................................................................... 95
Step 4: Check the paper ..................................................................................................................... 95
Step 5: Check the software ............................................................................................................... 96
Step 6: Test print functionality .......................................................................................................... 96
Step 7: Check the supplies ................................................................................................................ 96
Step 8: Try sending a print job from a computer .............................................................................. 96
Factors that aect product performance ............................................................................................................ 97
Restore factory settings ...................................................................................................................................... 98
Interpret control panel light patterns ................................................................................................................. 99
Status alert messages ....................................................................................................................................... 102
Paper feeds incorrectly or becomes jammed ................................................................................................... 107
The product does not pick up paper ............................................................................................... 107
The product picks up multiple sheets of paper .............................................................................. 107
Prevent paper jams ......................................................................................................................... 107
Clear jams ........................................................................................................................................ 107
Improve print quality ......................................................................................................................................... 112
Use the correct paper type setting in the printer driver ................................................................. 112
Adjust color settings in the printer driver ....................................................................................... 113
Use paper that meets HP specications ......................................................................................... 114
Print a cleaning page ....................................................................................................................... 115
Calibrate the product to align colors .............................................................................................. 115
Check the print cartridges ............................................................................................................... 115
The product does not print or it prints slowly ................................................................................................... 120
The product does not print ............................................................................................................. 120
The product prints slowly ............................................................................................................... 120
Solve connectivity problems ............................................................................................................................. 121
Solve direct-connect problems ....................................................................................................... 121
Solve network problems ................................................................................................................. 121
Solve wireless network problems ..................................................................................................................... 123
Wireless connectivity checklist ....................................................................................................... 123
The product does not print after the wireless conguration completes ....................................... 123
The product does not print, and the computer has a third-party rewall installed ...................... 123
The wireless connection does not work after moving the wireless router or product .................. 124
Cannot connect more computers to the wireless product ............................................................. 124
The wireless product loses communication when connected to a VPN ......................................... 124
The network does not appear in the wireless networks list .......................................................... 124
viii ENWW