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