HP Laserjet P1560, P1600 Series (service manual)

Theory of operation......Page 19
Product block diagram......Page 20
Normal sequence of operation......Page 21
Memory......Page 22
ACL overview......Page 23
Control panel......Page 24
Engine-control system......Page 25
Motors, fans, clutches, solenoids, switches, and sensors......Page 26
DC controller operations......Page 31
Fuser-control circuit......Page 33
Fuser failure detection......Page 34
Fuser temperature control......Page 35
Pressure roller cleaning......Page 36
Low-voltage power supply......Page 37
Overcurrent/overvoltage protection......Page 38
High-voltage power supply......Page 39
Laser/scanner system......Page 40
Laser failure detection......Page 41
Electrophotographic process......Page 42
Image formation process......Page 44
Laser beam exposure......Page 45
Print cartridge......Page 46
Fusing stage......Page 47
Cleaning stage......Page 48
Pickup, feed, and delivery system......Page 49
Photo sensors and switches......Page 50
Jam detection......Page 52
Removal and replacement......Page 53
Removal and replacement strategy......Page 54
Before performing service......Page 55
Print-quality test......Page 56
Parts removal order......Page 57
Pickup roller......Page 58
Separation pad......Page 59
Transfer roller......Page 60
Main-input tray......Page 61
Output bin tray extension......Page 62
Remove the left cover, simplex product......Page 63
Remove the left cover, duplex product......Page 65
Remove the right cover, simplex product......Page 68
Remove the right cover, duplex product......Page 70
Duplex door, duplex product......Page 73
Remove the duplex frame......Page 74
Cartridge door......Page 75
Control panel......Page 77
Remove the front cover......Page 79
Remove the rear cover, simplex product......Page 81
Remove the face-down cover......Page 83
Formatter PCA......Page 85
Remove the laser/scanner assembly......Page 86
Reinstall the laser/scanner assembly......Page 89
Remove the pickup assembly......Page 90
Reinstall the pickup assembly......Page 96
Remove the fuser......Page 98
Reinstall the fuser......Page 104
Remove the main motor......Page 105
Reinstall the main-motor drive belt......Page 110
Remove the pickup solenoid......Page 111
Remove the engine controller PCA......Page 115
Reinstall the engine controller PCA......Page 120
Remove the duplex-reverse solenoid......Page 122
Remove the main fan......Page 125
Reinstall the main fan......Page 127
Remove the duplex-connector PCA......Page 128
Solve problems......Page 131
Solve problems checklist......Page 132
Determine the problem source......Page 134
Power-on checks......Page 135
Engine-test button......Page 136
Half self-test functional check......Page 137
Plug/jack locations......Page 138
Location of connectors......Page 139
Locations of major components......Page 140
General timing charts......Page 143
General circuit diagram......Page 144
Configuration page......Page 145
Interpret control-panel light patterns......Page 146
Jam locations......Page 151
Clear jams from the input trays......Page 152
Clear jams from the duplexer......Page 154
Clear jams from the output areas......Page 156
Clear jams from inside the product......Page 157
Solve repeated jams......Page 159
Change jam recovery......Page 160
Solve paper-handling problems......Page 161
Toner specks......Page 162
Gray background......Page 163
Misformed characters......Page 164
Wrinkles or creases......Page 165
Moisture......Page 166
Change print density......Page 167
Clean the pickup roller......Page 168
Clean the paper path......Page 169
Clean the print-cartridge area......Page 171
Clean the exterior......Page 172
Solve performance problems......Page 173
Solve network problems......Page 174
Firmware updates......Page 176
Parts and diagrams......Page 177
Supplies part numbers......Page 178
Whole-unit replacement part numbers......Page 179
How to use the parts lists and diagrams......Page 180
Base product (no optional trays or accessories)......Page 181
Simplex model......Page 182
Duplex model......Page 184
Internal assemblies (1 of 3)......Page 186
Internal assemblies (2 of 3)......Page 188
Internal assemblies (3 of 3)......Page 190
PCAs......Page 192
Alphabetical parts list......Page 194
Numerical parts list......Page 197
Service and support......Page 201
Hewlett-Packard limited warranty statement......Page 202
HP's Premium Protection Warranty: LaserJet print cartridge limited warranty statement......Page 203
End User License Agreement......Page 204
Customer support......Page 206
Repack the product......Page 207
Service information form......Page 208
Specifications......Page 209
Acoustic specifications......Page 210
Environmental specifications......Page 211
Regulatory information......Page 213
FCC regulations......Page 214
Declaration of conformity......Page 215
Certificate of Volatility......Page 216
EMC statement (Korea)......Page 218
GS statement (Germany)......Page 219
Restriction on Hazardous Substances statement (Turkey)......Page 220
Index......Page 221