Smearing
.........................................................................................................................
215
Misplaced image
..............................................................................................................
215
Reversed color
.................................................................................................................
215
Snail tracks
......................................................................................................................
215
Repetitive-defects troubleshooting
...................................................................................................
216
Interface troubleshooting
..................................................................................................................
218
Communication checks
....................................................................................................
218
EIO troubleshooting
.........................................................................................................
218
Secondary service menu
..................................................................................................................
219
Open the secondary service menu
..................................................................................
219
Secondary service menu structure
..................................................................................
219
Test pages
........................................................................................................................................
221
Engine test page
..............................................................................................................
221
Formatter test
..................................................................................................................
221
Half-self test
.....................................................................................................................
221
Drum-rotation test
............................................................................................................
222
Engine resets
...................................................................................................................................
223
Engine resets
...................................................................................................................
223
Restore defaults (cold reset)
...........................................................................
223
NVRAM initialization
........................................................................................
223
Configuration utility
..........................................................................................
224
Troubleshooting diagrams
................................................................................................................
225
Connector locations
.........................................................................................................
225
Major assemblies
.............................................................................................................
227
DC controller connectors
.................................................................................................
231
Timing diagram
................................................................................................................
232
Circuit diagrams
...............................................................................................................
233
7
Parts and diagrams
Ordering parts and supplies
.............................................................................................................
238
Parts
................................................................................................................................
238
How to use the parts lists and diagrams
..........................................................................
238
Types of screws
...............................................................................................................
238
Related documentation and software
..............................................................................
239
Accessories and supplies
................................................................................................
239
External panels and covers
..............................................................................................................
242
Internal components
.........................................................................................................................
248
Paper-pickup drive assembly
...........................................................................................................
258
Developing separation-drive assembly
............................................................................................
260
Fuser drive assembly
.......................................................................................................................
262
Cassette (tray 2)
...............................................................................................................................
264
Paper-pickup assembly
....................................................................................................................
266
Electrostatic transfer belt
..................................................................................................................
268
Multipurpose tray assembly (tray 1)
.................................................................................................
270
Fuser
................................................................................................................................................
272
PCAs
...............................................................................................................................................
274
500-sheet feeder cassette (tray 3)
...................................................................................................
276
500-sheet feeder paper-pickup assembly
........................................................................................
278
500-sheet feeder PCA
......................................................................................................................
280
Alphabetical parts list
.......................................................................................................................
282
viii
ENWW