Print a menu map
............................................................................................................
140
Tools for troubleshooting
..................................................................................................................
141
Component tests
..............................................................................................................
141
Drum rotation test
............................................................................................
141
Half self-test functional check
.........................................................................
142
Perform a half self-test check
..........................................................................
142
Perform other checks
......................................................................................
142
Heating element check
....................................................................................
143
High-voltage contacts check
...........................................................................
143
Check the print-cartridge contacts
................................................
143
Check the high-voltage connector assembly
.................................
143
Problem-solving diagrams
................................................................................................................
144
Repetitive image defects
.................................................................................................
144
Component locations
.......................................................................................................
145
Timing diagram, product base
........................................................................................
148
Main wiring
......................................................................................................................
148
Formatter PCA and fax card connectors
.........................................................................
151
Control-panel messages
..................................................................................................................
154
Solve control-panel display problems
..............................................................................
154
Alert and warning messages
..........................................................................................
154
Alert and warning message tables
..................................................................
154
Critical error messages
....................................................................................................
156
Critical error message-tables
..........................................................................
156
Solve paper-handling problems
........................................................................................................
159
Clear jams
........................................................................................................................
159
Causes of jams
...............................................................................................
159
Where to look for jams
....................................................................................
160
Clear jams from the ADF
.................................................................................
160
Clear jams from the input-tray areas
...............................................................
161
Clear jams from the output bin
........................................................................
163
Clear jams from the print-cartridge area
.........................................................
164
Avoid repeated jams
......................................................................................
165
Media-handling problems
................................................................................................
165
Print-media guidelines
.....................................................................................
165
Solve print-media problems
............................................................................
166
Performance problems
....................................................................................................
167
Solve image-quality problems
..........................................................................................................
169
Print-quality problems
......................................................................................................
169
Improve print quality
........................................................................................
169
Print-quality settings
.......................................................................
169
Checking the print cartridge
...........................................................................
170
To redistribute the toner in the print cartridge
.................................
170
Identify and correct print defects
.....................................................................
170
Print-quality checklist
......................................................................
170
ENWW
vii