HP LASERJET M5025 - Page 21

List of figures
Figure 1-1 HP LaserJet M5025 MFP and HP LaserJet M5035 MFP ................................................................. 5
Figure 1-2 HP LaserJet M5035X MFP ............................................................................................................... 6
Figure 1-3 HP LaserJet M5035XS MFP ............................................................................................................. 7
Figure 2-1 MFP deminsions (1 of 3) ................................................................................................................. 18
Figure 2-2 MFP deminsions (2 of 3) ................................................................................................................. 18
Figure 2-3 MFP deminsions (3 of 3) ................................................................................................................. 19
Figure 2-4 USB connection .............................................................................................................................. 21
Figure 4-1 MFP system block diagram ........................................................................................................... 104
Figure 4-2 Device function block diagram ..................................................................................................... 106
Figure 4-3 Engine control system ................................................................................................................... 107
Figure 4-4 DC controller PCA ......................................................................................................................... 108
Figure 4-5 High-voltage power-supply PCA block diagram ........................................................................... 109
Figure 4-6 Fuser unit ...................................................................................................................................... 110
Figure 4-7 Fuser control circuit ....................................................................................................................... 111
Figure 4-8 Low-voltage power-supply PCA block diagram ............................................................................ 112
Figure 4-9 Video interface control signal flow ................................................................................................ 113
Figure 4-10 Laser/scanner system ................................................................................................................. 114
Figure 4-11 Image-formation system ............................................................................................................ 115
Figure 4-12 Image-formation process ........................................................................................................... 116
Figure 4-13 Primary charging ......................................................................................................................... 116
Figure 4-14 Laser-beam exposure ................................................................................................................. 117
Figure 4-15 Image transfer ............................................................................................................................. 118
Figure 4-16 Separation from the drum ........................................................................................................... 118
Figure 4-17 Fusing ........................................................................................................................................ 119
Figure 4-18 Print cartridge (placeholder for 2–4–8) ....................................................................................... 120
Figure 4-19 Pickup-and-feed-system ............................................................................................................. 122
Figure 4-20 Pickup/feed system blocks .......................................................................................................... 123
Figure 4-21 Paper size and cassette presence detection .............................................................................. 124
Figure 4-22 Upper and lower cassette pickup mechanism ............................................................................ 125
Figure 4-23 Upper cassette lifting operation .................................................................................................. 126
Figure 4-24 Multiple feed prevention mechanism .......................................................................................... 127
Figure 4-25 Skew-correction mechanism ....................................................................................................... 129
Figure 4-26 Loop control mechanism ............................................................................................................. 130
Figure 4-27 Duplexing unit paper path ........................................................................................................... 133
Figure 4-28 Signal flow for the duplexing driver PCA .................................................................................... 133
Figure 4-29 Duplexing reverse/feed operation ............................................................................................... 134
Figure 4-30 Horizontal registration function ................................................................................................... 136
Figure 4-31 HCI paper path ............................................................................................................................ 138
Figure 4-32 Signal flow of the HCI driver ...................................................................................................... 139
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