HP LaserJet 4345 HP LaserJet 4345mfp - User Guide - Page 12

Solving problems, Determining MFP problems - toner

Page 12 highlights

Printer preventive maintenance 179 The ADF maintenance kit 179 10 Solving problems Solving general problems ...182 Troubleshooting checklist 182 Determining MFP problems 184 Clearing jams...185 Clearing jams from the top-cover and print-cartridge areas 186 Clearing jams from the optional envelope-feeder area 188 Clearing jams from the tray 1 area 189 Clearing jams from the tray 2, 3, 4, or 5 areas 191 Clearing jams from the optional duplexer 192 Clearing jams from the output areas 193 Clearing jams from the fuser 195 Clearing jams from the ADF 198 Clearing staple jams...199 Solving repeated jams ...201 Using the paper-path test 201 Understanding MFP messages 203 Using the MFP help system 203 If a message persists ...203 Resolving control-panel messages 204 Understanding accessory lights for the 3-bin mailbox and stapler/stacker 216 Accessory lights ...216 Replacing accessories or accessory components 217 Understanding lights on the formatter 218 HP Jetdirect LEDs...218 Heartbeat LED...218 Fax LED...2. 19 Correcting print-quality and copy-quality problems 220 Print-quality checklist ...220 Image defect examples 220 Light print (partial page 222 Light print (entire page 223 Specks ...223 Dropouts ...223 Lines ...224 Gray background ...224 Toner smear ...225 Loose toner ...225 Repeating defects ...226 Repeating image ...226 Misformed characters ...227 Page skew ...227 Curl or wave ...227 Wrinkles or creases ...228 Vertical white lines ...228 Tire tracks ...229 White spots on black ...229 Scattered lines ...229 Blurred print ...230 Random image repetition 230 Blank page (ADF)...231 Horizontal lines (ADF)...231 x ENWW

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Printer preventive maintenance
......................................................................................
179
The ADF maintenance kit
................................................................................................
179
10 Solving problems
Solving general problems
.....................................................................................................
182
Troubleshooting checklist
...............................................................................................
182
Determining MFP problems
..................................................................................................
184
Clearing jams
.........................................................................................................................
185
Clearing jams from the top-cover and print-cartridge areas
............................................
186
Clearing jams from the optional envelope-feeder area
...................................................
188
Clearing jams from the tray 1 area
..................................................................................
189
Clearing jams from the tray 2, 3, 4, or 5 areas
................................................................
191
Clearing jams from the optional duplexer
........................................................................
192
Clearing jams from the output areas
...............................................................................
193
Clearing jams from the fuser
...........................................................................................
195
Clearing jams from the ADF
............................................................................................
198
Clearing staple jams
........................................................................................................
199
Solving repeated jams
....................................................................................................
201
Using the paper-path test
................................................................................................
201
Understanding MFP messages
.............................................................................................
203
Using the MFP help system
............................................................................................
203
If a message persists
......................................................................................................
203
Resolving control-panel messages
........................................................................................
204
Understanding accessory lights for the 3-bin mailbox and stapler/stacker
..........................
216
Accessory lights
..............................................................................................................
216
Replacing accessories or accessory components
.........................................................
217
Understanding lights on the formatter
....................................................................................
218
HP Jetdirect LEDs
...........................................................................................................
218
Heartbeat LED
.................................................................................................................
218
Fax LED
...........................................................................................................................
219
Correcting print-quality and copy-quality problems
..............................................................
220
Print-quality checklist
......................................................................................................
220
Image defect examples
..................................................................................................
220
Light print (partial page)
..................................................................................................
222
Light print (entire page)
..................................................................................................
223
Specks
............................................................................................................................
223
Dropouts
.........................................................................................................................
223
Lines
...............................................................................................................................
224
Gray background
............................................................................................................
224
Toner smear
...................................................................................................................
225
Loose toner
.....................................................................................................................
225
Repeating defects
...........................................................................................................
226
Repeating image
............................................................................................................
226
Misformed characters
.....................................................................................................
227
Page skew
......................................................................................................................
227
Curl or wave
....................................................................................................................
227
Wrinkles or creases
........................................................................................................
228
Vertical white lines
..........................................................................................................
228
Tire tracks
.......................................................................................................................
229
White spots on black
......................................................................................................
229
Scattered lines
................................................................................................................
229
Blurred print
....................................................................................................................
230
Random image repetition
...............................................................................................
230
Blank page (ADF)
............................................................................................................
231
Horizontal lines (ADF)
.....................................................................................................
231
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ENWW