Image-formation process
..........................................................................................
21
Block 1: Latent image formation
.................................................................
23
Step 1: Primary charging
...........................................................
23
Step 2: Laser-beam exposure
......................................................
23
Block 2: Developing
.................................................................................
24
Step 3: Developing
....................................................................
24
Block 3: Transfer
......................................................................................
25
Step 4: Transfer
........................................................................
25
Step 5: Separation
....................................................................
25
Block 4: Fusing
........................................................................................
26
Step 6: Fusing
...........................................................................
26
Block 5: Drum cleaning
.............................................................................
27
Step 7: Drum cleaning
...............................................................
27
Step 8: Drum charge elimination
.................................................
27
Laser/scanner system
.............................................................................................................
28
Laser failure detection
..............................................................................................
30
Pickup, feed, and delivery system
.............................................................................................
31
Pickup-and-feed block
..............................................................................................
32
Fuser/delivery block
................................................................................................
33
Pressure roller pressure release control
.......................................................................
33
Paper trays
.............................................................................................................
34
Printing from Tray 1
..................................................................................
34
Printing from Tray 2
..................................................................................
34
Cassette media size detection and cassette presence detection
......................
34
Jam detection
.........................................................................................................
36
1x500-sheet paper feeder
.......................................................................................................
40
Pickup-and-feed operation (PF)
..................................................................................
41
Cassette lift operation (PF)
........................................................................................
43
Cassette media size detection and cassette presence detection (PF)
...............................
43
Cassette multiple-feed prevention (PF)
........................................................................
43
Jam detection (PF)
...................................................................................................
43
1x1500-sheet paper deck
.......................................................................................................
44
Pickup-and-feed operation (PD)
.................................................................................
45
Cassette lift operation (PD)
.......................................................................................
47
Media size detection (PD)
........................................................................................
48
Multiple-feed prevention (PD)
....................................................................................
48
Jam detection (PF)
...................................................................................................
48
Envelope feeder
.....................................................................................................................
49
Pickup-and-feed operation (EF)
..................................................................................
50
Multiple-feed prevention (EF)
.....................................................................................
50
Multiple-feed detection (EF)
.......................................................................................
51
vi
ENWW