Troubleshooting flowchart ................................................................................................................ 193
Step 1: Does READY appear on the control-panel display? ........................................... 193
Step 2: Can you print a configuration page? ................................................................... 193
Step 3: Can you print from a program? .......................................................................... 194
Step 4: Does the job print as expected? .......................................................................... 195
Step 5: Does the printer select the trays? ........................................................................ 196
Solving general printing problems .................................................................................................... 198
Control-panel message types ........................................................................................................... 201
Control-panel messages .................................................................................................................. 202
Replacement-parts configuration ..................................................................................................... 220
Formatter and DC controller ............................................................................................ 220
Formatter (new) ............................................................................................................... 220
DC controller (new or previously installed in another printer) .......................................... 220
Formatter ......................................................................................................................... 220
Guidelines for using paper ............................................................................................................... 221
Printing special pages ...................................................................................................................... 222
Data collection .................................................................................................................................. 223
General paper-path troubleshooting ................................................................................................. 224
Paper-path checklist ........................................................................................................ 224
Jams in tray 1 .................................................................................................................. 225
Jams in tray 2 or the optional 500-sheet feeder .............................................................. 225
Common causes of jams .................................................................................................................. 226
Jam locations ................................................................................................................................... 227
Jam recovery ................................................................................................................... 229
Clearing jams ................................................................................................................................... 230
Clearing jams from the input-tray areas ........................................................................... 230
Clearing jams from the print-cartridge area ..................................................................... 231
Clearing jams from the output-bin areas .......................................................................... 233
Clearing jams from the optional duplexer ........................................................................ 235
Solving repeated jams ..................................................................................................... 236
Troubleshooting print-quality problems ............................................................................................ 238
Print-quality problems associated with media .................................................................. 238
Print-quality problems associated with the environment .................................................. 238
Print-quality problems associated with jams .................................................................... 238
Image-defect examples ................................................................................................... 238
Light print (partial page) .................................................................................................. 240
Light print (entire page) .................................................................................................... 240
Specks ............................................................................................................................. 241
Dropouts .......................................................................................................................... 241
Lines ................................................................................................................................ 242
Gray background ............................................................................................................. 242
Toner smear .................................................................................................................... 243
Loose toner ...................................................................................................................... 243
Repeating defects ............................................................................................................ 244
Repeating image .............................................................................................................. 244
Misformed characters ...................................................................................................... 244
Page skew ....................................................................................................................... 245
Curl or wave ..................................................................................................................... 245
Wrinkles or creases ........................................................................................................ 246
Vertical white lines ........................................................................................................... 246
ENWW vii