HP CM6040f - Color LaserJet MFP Laser Service Manual

Switches .......................................................................................................... 145
Sensors ........................................................................................................... 146
Motors and fans .............................................................................................. 147
Fuser control .................................................................................................................... 149
Fuser temperature-control circuit .................................................................... 151
Fuser over-temperature protection .................................................................. 152
Fuser-failure detection .................................................................................... 153
Fuser identification .......................................................................................... 153
Fuser-life detection .......................................................................................... 154
Relay-failure detection ..................................................................................................... 154
Low-voltage power supply ............................................................................................... 154
Overcurrent/overvoltage protection ................................................................. 155
Safety .............................................................................................................. 155
Voltage detection ............................................................................................ 155
Sleep (powersave) mode ................................................................................ 155
High-voltage power supply .............................................................................................. 155
Laser/scanner system ...................................................................................................................... 158
Image-formation system ................................................................................................................... 160
Image-formation process ................................................................................................. 161
Step 1: Pre-exposure ...................................................................................... 162
Step 2: Primary charging ................................................................................. 162
Step 3: Laser-beam exposure ......................................................................... 163
Step 4: Development ....................................................................................... 163
Step 5: Primary transfer .................................................................................. 164
Step 6: Secondary transfer ............................................................................. 164
Step 7: Separation .......................................................................................... 165
Step 8: Fusing ................................................................................................. 165
Step 9: ITB cleaning ........................................................................................ 166
Step 10: Drum cleaning ................................................................................... 166
Print cartridge .................................................................................................................. 167
Imaging drum ................................................................................................................... 168
Developing roller engagement and disengagement ........................................ 170
Intermediate transfer belt (ITB) unit ................................................................................. 171
Primary-transfer-roller engagement and disengagement ................................ 171
ITB unit detection ............................................................................................ 173
Secondary-transfer-roller unit .......................................................................................... 175
Calibration ........................................................................................................................ 175
Color-misregistration contol ............................................................................ 176
Image stabilization control ............................................................................... 177
Pickup, feed, and delivery system .................................................................................................... 178
Pickup-and-feed unit ........................................................................................................ 181
Cassette pickup ............................................................................................... 183
Cassette paper-size and cassette-presence detection ................... 183
Cassette lift operation ..................................................................... 185
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HP CM6040f - Color LaserJet MFP Laser Specifications

General

Brand	HP
Model	CM6040f - Color LaserJet MFP Laser
Category	Printer Accessories
Language	English