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HP LaserJet 4250 Series - Page 10

HP LaserJet 4250 Series
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Clearing jams from the fuser area ..................................................................................140
Clearing jams from the optional stacker or stapler/stacker ............................................142
Solving repeated jams ....................................................................................................144
Understanding printer messages ..........................................................................................146
Using the printer online Help system ..............................................................................146
Resolving persistent messages ......................................................................................146
Understanding accessory lights for the stacker and stapler/stacker ....................................167
Accessory lights ..............................................................................................................167
Replacing accessories or accessory components .........................................................169
Correcting print-quality problems ..........................................................................................170
Print-quality checklist ......................................................................................................170
Image defect examples ..................................................................................................170
Light print (partial page) ..................................................................................................172
Light print (entire page) ..................................................................................................172
Specks ............................................................................................................................172
Dropouts .........................................................................................................................173
Lines ...............................................................................................................................173
Gray background ............................................................................................................174
Toner smear ...................................................................................................................174
Loose toner .....................................................................................................................175
Repeating defects ...........................................................................................................175
Repeating image ............................................................................................................176
Misformed characters .....................................................................................................176
Page skew ......................................................................................................................176
Curl or wave ....................................................................................................................177
Wrinkles or creases ........................................................................................................177
Vertical white lines ..........................................................................................................178
Tire tracks .......................................................................................................................178
White spots on black ......................................................................................................178
Scattered lines ................................................................................................................179
Blurred print ....................................................................................................................179
Random image repetition ...............................................................................................180
Troubleshooting network printing problems ..........................................................................181
Troubleshooting common Windows problems .....................................................................182
Troubleshooting common Macintosh problems ....................................................................183
Troubleshooting common PostScript problems ....................................................................189
General problems ...........................................................................................................189
Specific errors .................................................................................................................189
Troubleshooting the optional hard disk .................................................................................191
Appendix A Supplies and accessories
Ordering parts, accessories, and supplies ............................................................................194
Ordering directly from HP ...............................................................................................194
Ordering through service or support providers ...............................................................194
Ordering directly through the embedded Web server (for printers that are
connected to a network) ..............................................................................................194
Ordering directly through the HP Toolbox software (for printers that are directly
connected to a computer) ...........................................................................................195
Part numbers .........................................................................................................................196
Paper-handling accessories ...........................................................................................196
Print cartridges ................................................................................................................197
Maintenance kits .............................................................................................................197
Memory ...........................................................................................................................197
Cables and interfaces .....................................................................................................198
Print media ......................................................................................................................198
viii ENWW

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