Test 1 (print-quality test)
...................................................................................
110
Test 2 (copy-quality test)
...................................................................................
110
Test 3 (fax-quality test)
......................................................................................
111
Parts-removal order
...........................................................................................................
112
Remove the print cartridge
................................................................................................
113
External panels, covers, and doors
....................................................................................................
114
Right cover
.........................................................................................................................
114
Left cover
...........................................................................................................................
116
Print-cartridge door
............................................................................................................
118
Rear cover
.........................................................................................................................
120
Top cover
...........................................................................................................................
122
ADF assembly
....................................................................................................................................
124
Scanner assembly
..............................................................................................................................
126
Bezel and control panel
......................................................................................................................
128
Internal assemblies
............................................................................................................................
131
Convenience-stapler assembly (HP LaserJet 3392 only)
..................................................
131
Convenience-stapler power supply (HP LaserJet 3392 only)
............................................
132
Convenience-stapler ac inlet cable (HP LaserJet 3392 only)
............................................
134
Convenience-stapler power supply bracket and strap (HP LaserJet 3392 only)
...............
135
Speaker
.............................................................................................................................
136
Power-switch PCA
.............................................................................................................
138
Formatter
...........................................................................................................................
139
Duplex assembly
...............................................................................................................
142
Laser/scanner
....................................................................................................................
144
Memory-tag-reader assembly
............................................................................................
146
Fuser
..................................................................................................................................
148
Fan
....................................................................................................................
148
Duplex-drive gears
............................................................................................
150
Duplex solenoid
.................................................................................................
151
Fuser
..................................................................................................................................
153
Interlock assembly
.............................................................................................................
159
ECU
...................................................................................................................................
160
Main motor
.........................................................................................................................
165
Pickup-and-feed assemblies
..............................................................................................
167
Transfer roller
....................................................................................................
167
Registration-roller assembly
..............................................................................................
168
Main gear assembly and tray 2 pickup solenoid
................................................................
169
6
Troubleshooting
Troubleshooting process
....................................................................................................................
174
Troubleshooting checklist
..................................................................................................
174
Jams
...................................................................................................................................................
177
Causes of jams
..................................................................................................................
177
Tips to avoid jams
..............................................................................................................
177
Where to look for jams
.......................................................................................................
178
Jams in the print-cartridge area
.........................................................................................
179
Jams in the trays
................................................................................................................
181
Jams in the output bin
........................................................................................................
187
Jams in the straight-through output path
...........................................................................
188
Jams in the duplex path
.....................................................................................................
190
viii
ENWW