Supplementary documentation and support ..................................................................................... 257 Problem-solve diagrams ................................................................................................................... 259 Repetitive image defects ................................................................................................. 259 Interface connectors ....................................................................................................... 260 Formatter connectors .......................................................................................................
260 Fax card ........................................................................................................................... 261 Solenoids ......................................................................................................................... 262 Switches and sensors ...................................................................................................... 263 Rollers and pads .............................................................................................................. 264 PCAs (base unit) ..............................................................................................................
265 Major components (base unit) ......................................................................................... 266 Scanner and ADF ............................................................................................................ 267 Circuit diagram (1 of 2) .................................................................................................... 268 Circuit diagram (2 of 2) .................................................................................................... 268 Parts lists and diagrams ...................................................................................................................
270 Types of screws ............................................................................................................... 271 Scanner and ADF assemblies .......................................................................................................... 272 Scanner components ....................................................................................................................... 274 ADF components .............................................................................................................................. 276 Convenience stapler components (HP LaserJet M2727nfs only) ....................................................
278 Formatter, fax card, HP jewel, and nameplate ................................................................................. 280 External covers and panels .............................................................................................................. 282 Cartridge door assembly .................................................................................................................. 284 Internal components (1 of 4) ............................................................................................................ 286 Internal components (2 of 4) ............................................................................................................
288 Internal components (3 of 4) ............................................................................................................ 290 Internal components (4 of 4) ............................................................................................................ 292 Engine-controller assembly (ECU) ................................................................................................... 294 Main-drive assembly ........................................................................................................................
296 Duplexing-drive assembly ................................................................................................................ 298 Tray 2 cassette and tray 3 cassette/feeder ...................................................................................... 300 Duplexing assembly ......................................................................................................................... 302 Fuser assembly ................................................................................................................................
304 Alphabetical parts list ....................................................................................................................... 306 Numerical parts list ........................................................................................................................... 312 Appendix A Service and support Hewlett-Packard limited warranty statement .................................................................................... 319 Print cartridge limited warranty statement ........................................................................................
321 Appendix B Specifications Physical specifications ..................................................................................................................... 324 Electrical specifications .................................................................................................................... 324 Power consumption .......................................................................................................................... 324 Environmental specifications ............................................................................................................
325 Acoustic emissions ........................................................................................................................... 325 Appendix C Regulatory information FCC compliance ............................................................................................................................... 328 ENWW ix