Correcting print-quality problems
..........................................................................................
201
Print-quality checklist
......................................................................................................
201
Image-defect examples
..................................................................................................
201
Light print (partial page)
..................................................................................................
203
Light print (entire page)
..................................................................................................
203
Specks
............................................................................................................................
204
Dropouts
.........................................................................................................................
204
Lines
...............................................................................................................................
205
Gray background
............................................................................................................
205
Toner smear
...................................................................................................................
206
Loose toner
.....................................................................................................................
206
Repeating defects
...........................................................................................................
207
Repeating image
............................................................................................................
207
Misformed characters
.....................................................................................................
208
Page skew
......................................................................................................................
208
Curl or wave
....................................................................................................................
209
Wrinkles or creases
........................................................................................................
209
Vertical white lines
..........................................................................................................
210
Tire tracks
.......................................................................................................................
210
White spots on black
......................................................................................................
211
Scattered lines
................................................................................................................
211
Blurred print
....................................................................................................................
212
Random image repetition
...............................................................................................
212
Troubleshooting common Windows problems
.....................................................................
213
Troubleshooting common Macintosh problems
....................................................................
214
Troubleshooting common PostScript problems
....................................................................
220
General problems
...........................................................................................................
220
Specific errors
..................................................................................................................
220
Printer component locations
..................................................................................................
222
Main assemblies
..............................................................................................................
222
Main parts
........................................................................................................................
223
Sensors and switches
......................................................................................................
224
Motors, fans, and solenoids
.............................................................................................
225
PCAs
................................................................................................................................
226
500-Sheet paper feeder
...................................................................................................
227
Wiring diagrams
.....................................................................................................................
228
General timing diagrams
........................................................................................................
231
142
Chapter 7 Troubleshooting
ENWW