Table 3-23 500-sheet tray .............................................................................................................................. 141
Table 3-24 Envelope feeder ........................................................................................................................... 143
Table 3-25 Internal components of duplexer .................................................................................................. 145
Table 4-1 HP LaserJet 4250 models .............................................................................................................. 149
Table 4-2 HP LaserJet 4350 models .............................................................................................................. 149
Table 4-3 Covers ............................................................................................................................................ 163
Table 4-4 Internal components (1 of 3) .......................................................................................................... 166
Table 4-5 Internal components (2 of 3) .......................................................................................................... 169
Table 4-6 Internal components (3 of 3) .......................................................................................................... 173
Table 4-7 Electrical components .................................................................................................................... 176
Table 4-8 Main drive assembly ...................................................................................................................... 178
Table 4-9 Feed roller assembly ...................................................................................................................... 180
Table 4-10 Tray 1 pickup assembly ............................................................................................................... 182
Table 4-11 PCAs ............................................................................................................................................ 184
Table 5-1 Control-panel messages ................................................................................................................ 194
Table 5-2 Accessories .................................................................................................................................... 215
Table 5-3 Customer-replaceable components (print engine) ......................................................................... 217
Table 5-4 Customer-replaceable components (ADF and scanner) ................................................................ 219
Table 5-5 Cables and interfaces .................................................................................................................... 221
Table 5-6 Control panel and control-panel overlays ...................................................................................... 223
Table 5-7 Memory .......................................................................................................................................... 225
Table 5-8 Print cartridge and maintenance kits .............................................................................................. 227
Table 5-9 Documentation, software, and training material ............................................................................. 229
Table 5-10 External panels and covers .......................................................................................................... 235
Table 5-11 Upper-plate assembly .................................................................................................................. 238
Table 5-12 Internal components (1 of 5) ........................................................................................................ 240
Table 5-13 Internal components (2 of 5) ........................................................................................................ 242
Table 5-14 Internal components (3 of 5) ........................................................................................................ 244
Table 5-15 Internal components (4 of 5) ........................................................................................................ 246
Table 5-16 Internal components (5 of 5) ........................................................................................................ 248
Table 5-17 Electrical/forward assembly ......................................................................................................... 250
Table 5-18 Main drive assembly .................................................................................................................... 252
Table 5-19 Paper-pickup-drive assembly ....................................................................................................... 254
Table 5-20 Lifter-drive assembly .................................................................................................................... 256
Table 5-21 Cassette ....................................................................................................................................... 258
Table 5-22 Paper-feed roller assembly .......................................................................................................... 260
Table 5-23 Registration assembly .................................................................................................................. 262
Table 5-24 Multipurpose assembly ................................................................................................................ 264
Table 5-25 Reverse assembly ........................................................................................................................ 266
Table 5-26 Reverse-separation-guide assembly ........................................................................................... 268
Table 5-27 Delivery assembly ........................................................................................................................ 270
Table 5-28 Fuser ............................................................................................................................................ 272
Table 5-29 ADF assembly .............................................................................................................................. 275
Table 5-30 ADF internal components (1 of 3) ................................................................................................ 277
Table 5-31 ADF internal components (2 of 3) ................................................................................................ 279
Table 5-32 ADF internal components (3 of 3) ................................................................................................ 281
Table 5-33 ADF input tray .............................................................................................................................. 283
Table 5-34 ADF separation pad ..................................................................................................................... 285
Table 5-35 ADF separation-pad case ............................................................................................................ 287
Table 5-36 ADF pickup-roller assembly ......................................................................................................... 289
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