Remove the imaging (developing) high-voltage power supply
.......
152
First transfer high-voltage power supply
.........................................................
153
Remove the first transfer high-voltage power supply
....................
153
Second transfer high-voltage power supply
....................................................
155
Remove the second transfer high-voltage power supply
................
155
Driver PCA
......................................................................................................
157
Remove the driver PCA
..................................................................
157
Power switch PCA
...........................................................................................
159
Remove the power switch PCA
......................................................
159
Environmental sensor
.....................................................................................
160
Remove the environmental sensor
.................................................
160
Optional paper feeder assembly (Tray 3)
........................................................................
161
Tray 3 rear cover
.............................................................................................
161
Tray 3 left cover
..............................................................................................
161
Tray 3 right-front cover
....................................................................................
163
Tray 3 front-upper cover
..................................................................................
164
Tray 3 right door
..............................................................................................
164
Tray 3 right-lower cover
..................................................................................
166
Tray 3 pickup assembly
..................................................................................
167
Tray 3 lifter drive assembly
.............................................................................
168
Tray 3 pickup motor
........................................................................................
169
Tray 3 driver PCA
............................................................................................
170
3
Solve problems
Solve problems checklist
..................................................................................................................
172
Menu map
........................................................................................................................................
173
Troubleshooting process
..................................................................................................................
174
Pretroubleshooting checklist
...........................................................................................
174
Power-on checks
.............................................................................................................
176
Tools for troubleshooting
..................................................................................................................
177
Diagrams
.........................................................................................................................
177
Block diagrams
................................................................................................
177
Plug/jack locations
..........................................................................................
179
Location of connectors
....................................................................................
180
DC controller connections
..............................................................
180
Product connections
.......................................................................
182
Locations of major components
......................................................................
189
General timing charts
......................................................................................
196
General circuit diagram
...................................................................................
197
HP ToolboxFX
.................................................................................................................
200
Open HP ToolboxFX
.......................................................................................
200
Status
..............................................................................................................
201
Event log
.........................................................................................
201
ENWW
vii