Low-voltage power supply failure
....................................................................
114
Fuser (fixing) control
........................................................................................................
115
Fuser (fixing) temperature-control circuit
........................................................
116
Fuser (fixing) over-temperature protection
......................................................
116
Fuser (fixing)-failure detection
.........................................................................
117
Laser/scanner system
......................................................................................................................
119
Image-formation system
...................................................................................................................
121
Image-formation process
.................................................................................................
122
Step 1: Pre-exposure
......................................................................................
123
Step 2: Primary charging
.................................................................................
123
Step 3: Laser-beam exposure
.........................................................................
124
Step 4: Development
.......................................................................................
124
Step 5: Primary transfer
..................................................................................
124
Step 6: Secondary transfer
.............................................................................
125
Step 7: Separation
..........................................................................................
126
Step 8: Fusing
.................................................................................................
126
Step 9: ITB cleaning
........................................................................................
127
Step 10: Drum cleaning
...................................................................................
127
Print cartridge
..................................................................................................................
127
Developing-roller engagement and disengagement
........................................................
129
Intermediate transfer belt (ITB) unit
.................................................................................
130
Primary-transfer-roller engagement and disengagement
................................
131
ITB cleaning
....................................................................................................
132
Calibration
........................................................................................................................
133
Color-misregistration control
...........................................................................
134
Image-stabilization control
..............................................................................
135
Pickup, feed, and delivery system
....................................................................................................
136
Pickup-and-feed unit
........................................................................................................
139
Cassette pickup
...............................................................................................
139
Cassette-presence detection
..........................................................
141
Cassette lift operation
.....................................................................
141
Cassette paper-presence detection
................................................
142
Multifeed prevention
.......................................................................
143
Multipurpose tray pickup
.................................................................................
144
Paper feed
.......................................................................................................
145
Skew-feed prevention
.....................................................................
146
OHT detection
................................................................................
146
Fusing and delivery unit
...................................................................................................
147
Loop control
....................................................................................................
147
Pressure-roller pressurization control
.............................................................
148
Duplexing unit (HP Color LaserJet CP3525dn and HP Color LaserJet CP3525x
only)
.................................................................................................................................
150
Duplexing reverse and feed control
................................................................
151
Duplex pickup operation
..................................................................................
151
vi
ENWW