HP manual 10

Recycle supplies ...............................................................................................	57
Replacement instructions ..................................................................................................	58
Redistribute toner ..............................................................................................	58
Replace the print cartridge ................................................................................	60
Replace the pickup roller ...................................................................................	62
Replace the separation pad ..............................................................................	65
Clean the product ...............................................................................................................................	68
Clean the pickup roller .......................................................................................................	68
Clean the paper path .........................................................................................................	69
Clean the print-cartridge area ............................................................................................	70
Clean the exterior ..............................................................................................................	71
Product updates .................................................................................................................................	72
Firmware updates ..............................................................................................................	72
8 Solve problems
Solve general problems ......................................................................................................................	74
Troubleshooting checklist ..................................................................................................	74
Factors that affect product performance ............................................................................	75
Restore factory settings ......................................................................................................................	75
Interpret control-panel light patterns ...................................................................................................	76
Clear jams ..........................................................................................................................................	80
Common causes of jams ...................................................................................................	80
Jam locations .....................................................................................................................	80
Clear jams from the input trays ..........................................................................................	81
Clear jams from the duplexer .............................................................................................	83
Clear jams from the output areas ......................................................................................	85
Clear jams from inside the product ....................................................................................	86
Solve repeated jams ..........................................................................................................	89
Change the jam recovery setting .......................................................................................	89
Solve paper-handling problems ..........................................................................................................	90
Solve image-quality problems ............................................................................................................	91
Image defect examples ......................................................................................................	91
Light print or faded ............................................................................................	91
Toner specks .....................................................................................................	91
Dropouts ............................................................................................................	92
Vertical lines ......................................................................................................	92
Gray background ...............................................................................................	92
Toner smear ......................................................................................................	93
Loose toner .......................................................................................................	93
Vertical repetitive defects ..................................................................................	93
Misformed characters ........................................................................................	93
Page skew .........................................................................................................	94
Curl or wave ......................................................................................................	94

viii ENWW