HP LaserJet M4345 - Multifunction Printer Service Manual

Front cover ........................................................................................................................ 247
Back cover ........................................................................................................................ 251
Internal assemblies ............................................................................................................................ 253
Reversing-separation-guide assembly ............................................................................. 253
Reversing assembly .......................................................................................................... 254
Main fan (FN101) and reversing-unit fan (FN103) ........................................................... 258
Thermistor (TH3) ............................................................................................................... 263
Tray 2 jam-access-cover switch (SW105) ........................................................................ 265
Tray 1 assembly ................................................................................................................ 267
Front-cover support ........................................................................................................... 269
Tray 1 feed-assembly ....................................................................................................... 271
Feed-roller assembly ........................................................................................................ 278
DC controller ..................................................................................................................... 280
Main motor (M101) ............................................................................................................ 283
DC controller fan (FN104) ................................................................................................. 284
Print-cartridge fan (FN102) ............................................................................................... 285
Print-cartridge motor (M102) ............................................................................................. 287
Top-cover switch (SW101) ............................................................................................... 290
Registration assembly ...................................................................................................... 292
Paper-pickup-drive assembly ........................................................................................... 295
Lifter-drive assembly ......................................................................................................... 298
Power-factor-correction (PFC) power supply ................................................................... 301
Engine power supply ........................................................................................................ 306
Paper-feed assembly ........................................................................................................ 311
Tray 2 detection switch ..................................................................................................... 312
Paper-size-detection switch (SW102) .............................................................................. 313
Tray 2 paper-present sensor (PS101) .............................................................................. 314
Laser/scanner .................................................................................................................
.. 315
Output-bin-full sensor ....................................................................................................... 316
ADF and scanner components .......................................................................................................... 319
ADF assembly ................................................................................................................... 319
Scanner assembly ............................................................................................................ 321
Scanner-controller PCA .................................................................................................... 326
ADF components ............................................................................................................................... 327
ADF output-bin extension ................................................................................................. 327
ADF white mylar-backing .................................................................................................. 328
ADF front cover ................................................................................................................. 330
ADF rear cover .................................................................................................................. 331
ADF left-side cover ........................................................................................................... 332
ADF jam-access cover and latch ...................................................................................... 334
ADF leading-edge and paper-present sensors ................................................................ 335
ADF hinges ....................................................................................................................... 337
500-sheet feeder components ........................................................................................................... 339
500-sheet-feeder pickup and feed rollers ......................................................................... 339
Stapler/stacker components .............................................................................................................. 340
Delivery tray ...................................................................................................................... 340
Front cover ........................................................................................................................ 340
Rear cover ........................................................................................................................ 340
Left cover .......................................................................................................................... 341
Top cover .......................................................................................................................... 341
x ENWW

HP LaserJet M4345 - Multifunction Printer Specifications

General

Print Technology	Laser
Print Speed	Up to 45 ppm
Print Resolution	Up to 1200 x 1200 dpi
Scan Type	Flatbed, ADF
Maximum Copy Resolution	600 x 600 dpi
Fax Capability	Yes
Standard Input Capacity	600 sheets
Standard Output Capacity	250 sheets
Maximum Output Capacity	500 sheets
Connectivity	USB, Ethernet
Functions	Print, copy, scan, fax
Internal Memory	256 MB
Maximum Internal Memory	512 MB
Duplex Printing	Yes
Processor Speed	533 MHz
Operating System Compatibility	Windows, Mac
Monthly Duty Cycle	200, 000 pages