Hook switch control
.........................................................................................
101
Ring detect
......................................................................................................
102
Line current control
.........................................................................................
102
Billing- (metering-) tone filters
.........................................................................
102
Fax page storage in flash memory
..................................................................................
102
Stored fax pages
.............................................................................................
102
Advantages of flash memory storage
.............................................................
102
6
Removal and replacement
Removal and replacement strategy
.................................................................................................
106
General cautions during removal and replacement
.........................................................
106
Electrostatic discharge
.....................................................................................................
106
Required tools
.................................................................................................................
107
Types of screws
...............................................................................................................
107
Service approach
.............................................................................................................................
108
Before performing service
................................................................................................
108
After performing service
...................................................................................................
108
Post-service tests
............................................................................................................
109
Test 1 (print-quality test)
.................................................................................
109
Test 2 (copy-quality test)
.................................................................................
109
Test 3 (fax-quality test)
....................................................................................
109
Parts removal order
.........................................................................................................
110
Print cartridges
.................................................................................................................................
111
Control-panel overlay (base model)
.................................................................................................
112
Control panel (base model)
..............................................................................................................
113
Control-panel bezel (fax/memory-card models)
...............................................................................
115
Control panel (fax/memory-card models)
.........................................................................................
116
Reinstall the control panel (fax/memory-card models)
....................................................
116
Paper-feed assemblies
.....................................................................................................................
118
Pickup roller (product base)
.............................................................................................
118
ADF pickup roller assembly
.............................................................................................
119
Separation roller (product base)
......................................................................................
120
Transfer roller
..................................................................................................................
122
Paper-guide assembly
.....................................................................................................
124
External panels, covers, and doors
..................................................................................................
125
Front door and front-lower cover
.....................................................................................
125
Right cover
.......................................................................................................................
132
Left cover
.........................................................................................................................
135
Front-right cover
..............................................................................................................
137
Reinstall the front-right cover
..........................................................................
138
Memory-card reader PCA (fax/memory-card models only)
.............................................
139
Card cover or blanking cover
...........................................................................................
140
Rear-side cover
...............................................................................................................
142
ENWW
vii