Step 3: Laser-beam exposure ......................................................................................... 26
Step 4: Development ...................................................................................................... 26
Step 5: Transfer ............................................................................................................... 27
Step 6: Separation ........................................................................................................... 27
Step 7: Fusing .................................................................................................................. 28
Step 8: Drum cleaning ..................................................................................................... 28
Toner cartridge .................................................................................................................................................... 29
Design ................................................................................................................................................ 29
Pickup, feed, and delivery system ....................................................................................................................... 30
Photo sensors and switches ............................................................................................................. 33
Motors, clutches, and solenoids ........................................................................................................ 34
Jam detection/prevention ................................................................................................................. 35
Input accessories ................................................................................................................................................. 38
550-sheet paper feeder (PF) ............................................................................................................. 38
Controller ........................................................................................................................ 38
Paper path ....................................................................................................................... 38
Pickup and feed components ......................................................................................... 39
Jam detection .................................................................................................................. 42
2,100-sheet paper deck (HCI) ........................................................................................................... 42
Controller ........................................................................................................................ 42
Paper path ....................................................................................................................... 42
Pickup and feed components ......................................................................................... 43
Jam detection .................................................................................................................. 46
1x550, 3x550, 2,550-sheet paper decks (PD) .................................................................................. 46
Controller ........................................................................................................................ 46
Paper path ....................................................................................................................... 46
Pickup and feed components ......................................................................................... 49
Paper deck jam detection ............................................................................................... 53
Output accessories .............................................................................................................................................. 54
2-bin staple stacker multi-bin mailbox (SSMBM) ............................................................................. 54
Controller ........................................................................................................................ 54
Paper path ....................................................................................................................... 54
Motors ............................................................................................................................. 55
Fan ................................................................................................................................... 56
Delivery functions ........................................................................................................... 56
Delivery operation .......................................................................................................... 56
Jam detection .................................................................................................................. 59
5-bin staple stacker multi bin mailbox (SSMBM) .............................................................................. 60
Controller ........................................................................................................................ 61
Paper path ....................................................................................................................... 61
Motors ............................................................................................................................. 63
viii ENWW