HP LaserJet M4345 - Multifunction Printer User Manual

11 Problem solving
Problem-solving checklist .................................................................................................................. 168
Factors that affect performance ........................................................................................ 168
Problem-solving flowchart ................................................................................................................. 169
Solve general device problems ......................................................................................................... 174
Control-panel message types ............................................................................................................ 177
Control-panel messages .................................................................................................................... 178
Common causes of jams ................................................................................................................... 188
Clear jams .......................................................................................................................................... 189
Clear jams from the top-cover and print-cartridge areas .................................................. 190
Clear jams from the optional envelope-feeder area ......................................................... 192
Clear jams from the tray1 area ......................................................................................... 194
Clear jams from the tray2, 3, 4, or 5 areas ....................................................................... 195
Clear jams from the optional duplexer .............................................................................. 197
Clear jams from the output areas ..................................................................................... 198
Clear jams from the fuser ................................................................................................. 199
Clear jams from the document feeder .............................................................................. 202
Solve repeated jams ......................................................................................................... 203
Paper-path test ................................................................................................................. 204
Clear staple jams ............................................................................................................................... 205
Solve print-quality problems .............................................................................................................. 207
Print-quality problems associated with media .................................................................. 207
Print-quality problems associated with the environment .................................................. 207
Print-quality problems associated with jams ..................................................................... 207
Image defect examples ..................................................................................................... 207
Light print (partial page) .................................................................................................... 209
Light print (entire page) ..................................................................................................... 209
Specks .............................................................................................................................. 209
Dropouts ........................................................................................................................... 210
Lines ....
.............................................................................................................................. 210
Gray background .............................................................................................................. 211
Toner smear ...................................................................................................................... 211
Loose toner ....................................................................................................................... 212
Repeating defects ............................................................................................................. 212
Repeating image ............................................................................................................... 212
Misformed characters ....................................................................................................... 213
Page skew ........................................................................................................................ 213
Curl or wave ...................................................................................................................... 214
Wrinkles or creases .......................................................................................................... 214
Vertical white lines ............................................................................................................ 215
Tire tracks ......................................................................................................................... 215
White spots on black ......................................................................................................... 215
Scattered lines .................................................................................................................. 216
Blurred print ...................................................................................................................... 216
Random image repetition .................................................................................................. 217
Solve network printing problems ....................................................................................................... 218
Solve copy problems ......................................................................................................................... 219
Prevent copy problems ..................................................................................................... 219
Image problems ................................................................................................................ 219
Media-handling problems ................................................................................................. 220
viii ENWW

HP LaserJet M4345 - Multifunction Printer Specifications

General

Print Technology	Laser
Print Speed	Up to 45 ppm
Print Resolution	Up to 1200 x 1200 dpi
Scan Type	Flatbed, ADF
Maximum Copy Resolution	600 x 600 dpi
Fax Capability	Yes
Standard Input Capacity	600 sheets
Standard Output Capacity	250 sheets
Maximum Output Capacity	500 sheets
Connectivity	USB, Ethernet
Functions	Print, copy, scan, fax
Internal Memory	256 MB
Maximum Internal Memory	512 MB
Duplex Printing	Yes
Processor Speed	533 MHz
Operating System Compatibility	Windows, Mac
Monthly Duty Cycle	200, 000 pages