HP LaserJet M4345 MFP - Technical Specifications; Print and Copy Speed; Resolution and Features; Processor and Memory

High-voltage power supply ............................................................................................... 124
Low-voltage power supply ................................................................................................ 125
Overcurrent/overvoltage protection .................................................................................. 127
Toner detection ................................................................................................................. 127
Cartridge detection ............................................................................................................ 127
Laser/scanner system ....................................................................................................................... 128
Laser/scanner control ....................................................................................................... 129
Image-formation system .................................................................................................................... 131
Print cartridge .................................................................................................................... 132
Cartridge memory ............................................................................................ 132
Image-formation process .................................................................................................. 133
Pickup, feed, and delivery system ..................................................................................................... 135
Pickup-and-feed block ...................................................................................................... 138
Printing from tray 1 ........................................................................................... 139
Printing from tray 2 ........................................................................................... 140
Media-size detection ....................................................................... 141
Cassette media-size detection ....................................... 141
Media-length detection ................................................... 141
Media-width detection ..................................................... 141
Cassette pickup operation ............................................................... 141
Lifter-driver operation ...................................................................... 143
Multifeed prevention ........................................................................ 143
Distance-between-pages adjustment .............................................. 144
Media-skew prevention .................................................................................... 145
Feed-speed control .......................................................................................... 147
Fusing and reversing/delivery block ................................................................................. 148
Fusing ............................................................................................................... 148
Face-down delivery .......................................................................................... 148
Face-up delivery ............................................................................................... 149
Jam detection .................................................................................................................... 151
Pickup delay jam from tray 1 ............................................................................ 151
Pickup delay jam from tray 2 ............................................................................ 151
Pickup stationary jam ....................................................................................... 151
Fuser-delivery delay jam .................................................................................. 152
Fuser wrapping jam .......................................................................................... 152
Fuser-delivery stationary jam when feeding regular-size media ..................... 152
Fuser-delivery stationary jam when feeding custom-size media ..................... 152
Reversing delay jam (face-down delivery only) ............................................... 152
Reversing stationary jam (face-down delivery only) ........................................ 152
Delivery delay jam during face-down delivery ................................................. 153
Delivery delay jam during face-up delivery ...................................................... 153
Delivery stationary jam during face-down delivery .......................................... 153
Delivery stationary jam during face-up delivery ............................................... 153
Door-open jam ................................................................................................. 153
Residual-media jam ......................................................................................... 153
Printing from the 500-sheet feeder ................................................................................... 154
500-sheet feeder pickup and feeding .............................................................. 155
Duplex-printing unit ........................................................................................................... 157
Reversing/duplexing pickup ............................................................................. 157
Duplex-printing jam detection .......................................................................... 158
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