Troubleshooting tree..............................................................................................................143 Troubleshooting flowchart .....................................................................................................144 1. Does the control-panel display show READY?...........................................................144 2. Can you print a configuration page? ..........................................................................145 3. Can you print from a program? ..................................................................................146 4.
Does the job print as expected?..................................................................................147 5.
Does the printer select the correct trays?...................................................................148 Troubleshooting tools ............................................................................................................149 Information pages ...........................................................................................................149 Embedded Web server ...................................................................................................154 Gaining access to the embedded Web server ...............................................................154 Printer Status and Alerts software ..................................................................................156 Control-panel menus .............................................................................................................158 Using control-panel menus .............................................................................................158 Resets submenu .............................................................................................................159 Diagnostics menu ...........................................................................................................159 Service menu (service PIN codes) .................................................................................161 Printer resets and power-on modes ......................................................................................163 Cold reset .......................................................................................................................163 NVRAM initialization .......................................................................................................164 Hard-disk initialization .....................................................................................................164 Power-on bypass ............................................................................................................165 Save + Restore................................................................................................................165 Test pages .............................................................................................................................166 Engine-test page ............................................................................................................166 Formatter test page ........................................................................................................166 Interface troubleshooting ......................................................................................................167 Communications checks .................................................................................................167 EIO troubleshooting ........................................................................................................167 Solving general printing problems .........................................................................................169 Clearing jams ........................................................................................................................173 Avoiding jams .................................................................................................................173 Typical jam locations ......................................................................................................174 Media handling problems ......................................................................................................181 Multiple pages feed ........................................................................................................181 Pages are wrinkled or folded ..........................................................................................182 Pages are skewed ..........................................................................................................182 Understanding printer messages ..........................................................................................183 Using the printer online Help system ..............................................................................183 Resolving persistent messages ......................................................................................183 Correcting print-quality problems ..........................................................................................201 Print-quality checklist ......................................................................................................201 Image-defect examples ..................................................................................................201 Light print (partial page) ..................................................................................................203 Light print (entire page) ..................................................................................................203 Specks ............................................................................................................................204 Dropouts .........................................................................................................................204 Lines ...............................................................................................................................205 Gray background ............................................................................................................205 Toner smear ...................................................................................................................206 Loose toner .....................................................................................................................206 Repeating defects ...........................................................................................................207 Repeating image ............................................................................................................207 Misformed characters .....................................................................................................208 Page skew ......................................................................................................................208 Curl or wave ....................................................................................................................209 vi ENWW