HP Color LaserJet CM3530

Solenoids ........................................................................................................ 119
Clutches .......................................................................................................... 120
Switches .......................................................................................................... 120
Sensors ........................................................................................................... 121
Motors and fans .............................................................................................. 122
High-voltage power supply .............................................................................................. 123
Low-voltage power supply ............................................................................................... 125
Overcurrent/overvoltage protection ................................................................. 126
Safety .............................................................................................................. 126
Voltage detection ............................................................................................ 126
Sleep (powersave) mode ................................................................................ 126
Low-voltage power supply failure .................................................................... 126
Fuser (fixing) control ........................................................................................................ 127
Fuser (fixing) temperature-control circuit ........................................................ 128
Fuser (fixing) over-temperature protection ...................................................... 128
Fuser (fixing)-failure detection ......................................................................... 129
Laser/scanner system ...................................................................................................................... 131
Image-formation system ................................................................................................................... 133
Image-formation process ................................................................................................. 134
Step 1: Pre-exposure ...................................................................................... 135
Step 2: Primary charging ................................................................................. 135
Step 3: Laser-beam exposure ......................................................................... 136
Step 4: Development ....................................................................................... 136
Step 5: Primary transfer .................................................................................. 136
Step 6: Secondary transfer ............................................................................. 137
Step 7: Separation .......................................................................................... 138
Step 8: Fusing ................................................................................................. 138
Step 9: ITB cleaning ........................................................................................ 139
Step 10: Drum cleaning ................................................................................... 139
Print cartridge .................................................................................................................. 139
Developing-roller engagement and disengagement ........................................................ 141
Intermediate transfer belt (ITB) unit ................................................................................. 142
Primary-transfer-roller engagement and disengagement ................................ 143
ITB cleaning .................................................................................................... 144
Calibration ........................................................................................................................ 145
Color-misregistration control ........................................................................... 146
Image-stabilization control .............................................................................. 147
Pickup, feed, and delivery system .................................................................................................... 148
Pickup-and-feed unit ........................................................................................................ 151
Cassette pickup ............................................................................................... 151
Cassette-presence detection .......................................................... 153
Cassette lift operation ..................................................................... 153
Cassette paper-presence detection ................................................ 154
Multifeed prevention ....................................................................... 155
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