HP Color LaserJet CM1312 Service Manual - Page 8

Step 8: ITB cleaning, ADF jam detection

Page 8 highlights

Image-formation process 82 Latent-image formation stage 83 Step 1: primary charging 83 Step 2: laser-beam exposure 84 Developing stage ...84 Step 3: development 84 Transfer stage ...85 Step 4: primary transfer 85 Step 5: secondary transfer 85 Step 6: separation from the drum 86 Fusing stage ...86 Step 7: fusing ...86 ITB cleaning stage ...87 Step 8: ITB cleaning 87 Drum cleaning stage ...88 Step 9: drum cleaning 88 Developing roller engagement/disengagement control 88 Pickup-and-feed system ...89 Jam detection ...90 Pad transfer ...90 Multiple-feed prevention ...90 Scanner system (base models) ...91 Scanner power-on sequence of events 91 Copy or scan-to-computer sequence of events 92 Scanner and ADF functions and operation (fax/memory-card models 93 Scanner functions ...93 Scanner operation ...94 ADF operation ...94 ADF paper path and ADF sensors 95 ADF jam detection ...96 Memory card system (fax/memory-card models only 97 Fax functions and operation (fax/memory-card models only 98 Computer and network security features 98 PSTN operation ...98 Receive faxes when you hear fax tones 98 Distinctive ring function ...99 Fax by using Voice over IP services 99 The fax subsystem ...100 Fax card in the fax subsystem 100 Safety isolation 100 Safety-protection circuitry 100 Data path ...101 Hook state ...101 Downstream device detection 101 vi ENWW

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Image-formation process
...................................................................................................
82
Latent-image formation stage
............................................................................................
83
Step 1: primary charging
...................................................................................
83
Step 2: laser-beam exposure
............................................................................
84
Developing stage
...............................................................................................................
84
Step 3: development
.........................................................................................
84
Transfer stage
....................................................................................................................
85
Step 4: primary transfer
.....................................................................................
85
Step 5: secondary transfer
................................................................................
85
Step 6: separation from the drum
......................................................................
86
Fusing stage
......................................................................................................................
86
Step 7: fusing
....................................................................................................
86
ITB cleaning stage
.............................................................................................................
87
Step 8: ITB cleaning
..........................................................................................
87
Drum cleaning stage
..........................................................................................................
88
Step 9: drum cleaning
.......................................................................................
88
Developing roller engagement/disengagement control
.....................................
88
Pickup-and-feed system
.....................................................................................................................
89
Jam detection
....................................................................................................................
90
Pad transfer
.......................................................................................................................
90
Multiple-feed prevention
....................................................................................................
90
Scanner system (base models)
..........................................................................................................
91
Scanner power-on sequence of events
.............................................................................
91
Copy or scan-to-computer sequence of events
.................................................................
92
Scanner and ADF functions and operation (fax/memory-card models)
.............................................
93
Scanner functions
.............................................................................................................
93
Scanner operation
.............................................................................................................
94
ADF operation
....................................................................................................................
94
ADF paper path and ADF sensors
.....................................................................................
95
ADF jam detection
.............................................................................................................
96
Memory card system (fax/memory-card models only)
.......................................................................
97
Fax functions and operation (fax/memory-card models only)
............................................................
98
Computer and network security features
...........................................................................
98
PSTN operation
.................................................................................................................
98
Receive faxes when you hear fax tones
............................................................................
98
Distinctive ring function
......................................................................................................
99
Fax by using Voice over IP services
..................................................................................
99
The fax subsystem
...........................................................................................................
100
Fax card in the fax subsystem
.........................................................................................
100
Safety isolation
................................................................................................
100
Safety-protection circuitry
................................................................................
100
Data path
.........................................................................................................
101
Hook state
.......................................................................................................
101
Downstream device detection
.........................................................................
101
vi
ENWW