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
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