Figure 5-90 Remove the registration-roller assembly .................................................................................... 161
Figure 5-91 Remove the main gear assembly (1 of 5) ................................................................................... 162
Figure 5-92 Remove the main gear assembly (2 of 5) ................................................................................... 163
Figure 5-93 Remove the main gear assembly (3 of 5) ................................................................................... 163
Figure 5-94 Remove the main gear assembly (4 of 5) ................................................................................... 164
Figure 5-95 Remove the tray 2 pickup solenoid (5 of 5) ................................................................................ 164
Figure 6-1 Engine test switch ......................................................................................................................... 231
Figure 6-2 Print-cartridge high-voltage connection points (right side) ............................................................ 233
Figure 6-3 Print-cartridge high-voltage connection points (left side) .............................................................. 234
Figure 7-1 Interface connectors ..................................................................................................................... 260
Figure 7-2 Formatter connectors .................................................................................................................... 260
Figure 7-3 Fax card connectors ..................................................................................................................... 261
Figure 7-4 Solenoids ...................................................................................................................................... 262
Figure 7-5 Switches and sensors ................................................................................................................... 263
Figure 7-6 Rollers and pads ........................................................................................................................... 264
Figure 7-7 PCAs (base unit) ........................................................................................................................... 265
Figure 7-8 Major components (base unit) ...................................................................................................... 266
Figure 7-9 Scanner and ADF ......................................................................................................................... 267
Figure 7-10 Circuit diagram (1 of 2) ............................................................................................................... 268
Figure 7-11 Circuit diagram (2 of 2) ............................................................................................................... 269
Figure 7-12 Scanner and ADF assemblies .................................................................................................... 272
Figure 7-13 Scanner assemblies .................................................................................................................... 274
Figure 7-14 ADF components ........................................................................................................................ 276
Figure 7-15 Convenience stapler components (HP LaserJet M2727nfs only) ............................................... 278
Figure 7-16 Formatter, fax card, HP jewel, and nameplate ........................................................................... 280
Figure 7-17 External covers and panels ........................................................................................................ 282
Figure 7-18 Cartridge door assembly ............................................................................................................. 284
Figure 7-19 Internal components (1 of 4) ....................................................................................................... 286
Figure 7-20 Internal components (2 of 4) ....................................................................................................... 288
Figure 7-21 Internal components (3 of 4) ....................................................................................................... 290
Figure 7-22 Internal components (4 of 4) ....................................................................................................... 292
Figure 7-23 Engine-controller assembly ......................................................................................................... 294
Figure 7-24 Main-drive assembly ................................................................................................................... 296
Figure 7-25 Duplexing-drive assembly ........................................................................................................... 298
Figure 7-26 Tray 2 cassette and tray 3 cassette/feeder ................................................................................. 300
Figure 7-27 Duplexing assembly .................................................................................................................... 302
Figure 7-28 Fuser assembly ........................................................................................................................... 304
xvi ENWW