Step 1: primary charging
................................................................
116
Step 2: laser-beam exposure
.........................................................
116
Development block
..........................................................................................
117
Step 3: developing
..........................................................................
117
Transfer block
.................................................................................................
118
Step 4: image transfer
....................................................................
118
Step 5: separation from the drum
...................................................
118
Fuser block
......................................................................................................
119
Step 6: fusing
..................................................................................
119
Drum-cleaning block
.......................................................................................
119
Step 7: drum cleaning
.....................................................................
119
Print cartridge
..................................................................................................
119
Memory tag
.....................................................................................................
120
Pickup-and-feed-system
..................................................................................................
121
Cassette paper size and presence detection
..................................................
124
Upper and lower cassette pickup mechanism
.................................................
125
Multiple-feed prevention mechanism
..............................................................
127
Tray 1 (multipurpose tray) pickup mechanism
................................................
128
Skew-correction mechanism (registration)
......................................................
129
Fuser/delivery block
........................................................................................
130
Loop control
....................................................................................................
130
Jam detection
..................................................................................................
131
Duplexing unit
...................................................................................................................................
133
Duplexing reverse/feed operation
....................................................................................
134
Duplexing feed operation
.................................................................................................
135
Duplexing horizontal registration function
........................................................................
136
Duplexing unit jam detection
............................................................................................
137
1 x 500-sheet and 3 x 500-sheet high-capacity input feeder
............................................................
138
Pickup/feed operation
......................................................................................................
140
HCI pickup mechanism
....................................................................................................
142
Lift-up operation
...............................................................................................................
143
Multiple-feed prevention mechanism
...............................................................................
145
HCI jam detection
............................................................................................................
147
Scanner component
.........................................................................................................................
148
ADF
..................................................................................................................................................
150
Input tray
..........................................................................................................................
150
ADF simplex printing operation sequence
.......................................................................
150
ADF duplex printing operation sequence
.........................................................................
151
Multifeed operation
..........................................................................................................
152
End of a scan job operation
.............................................................................................
153
Paper pick and separation operation
...............................................................................
153
Deskew
............................................................................................................................
154
Stapler/stacker component
...............................................................................................................
155
Overview
..........................................................................................................................
155
Basic operation
................................................................................................................
156
Control system
.................................................................................................................
157
Feed/stack system
...........................................................................................................
160
Staple system
..................................................................................................................
175
5
Removal and replacement
vi
ENWW