Lifter-drive assembly (optional paper feeder)
..................................................................
230
Remove the lifter-drive assembly (optional paper feeder)
..............................
230
Pickup motor assembly (optional paper feeder)
.............................................................
231
Remove the pickup motor (optional paper feeder) assembly
..........................
231
Controller PCA (optional paper feeder)
...........................................................................
232
Remove the controller PCA (optional paper feeder)
.......................................
232
3
Solve problems
Solve problems checklist
..................................................................................................................
234
Menu map
........................................................................................................................................
236
Troubleshooting process
..................................................................................................................
237
Determine the problem source
........................................................................................
237
Pre-troubleshooting checklist
..........................................................................
237
Troubleshooting flowchart
...............................................................................
239
Power subsystem
............................................................................................................
240
Power-on checks
.............................................................................................
240
Power-on troubleshooting overview
...............................................
240
Tools for troubleshooting
..................................................................................................................
242
Individual component diagnostics
....................................................................................
242
LED diagnostics
..............................................................................................
242
Understand lights on the formatter
.................................................
242
Engine diagnostics
..........................................................................................
243
Defeating interlocks
........................................................................
243
Disable cartridge check
..................................................................
244
Engine-test button
..........................................................................
244
Paper-path test
................................................................................................
245
Manual sensor test (special-mode test)
..........................................................
246
A TOP (top of page) sensor
............................................................
247
B and C loop sensors
.....................................................................
248
D fuser delivery sensor
...................................................................
249
E duplex re-pickup sensor
..............................................................
250
F output bin full sensor
...................................................................
251
I developer alienation
.....................................................................
252
J fuser pressure-release sensor
....................................................
253
K primary transfer-roller-disengagement sensor
............................
254
L media sensor
..............................................................................
256
M front-door switch
.........................................................................
257
N right-door switch
..........................................................................
258
Manual sensor test 2 (special-mode test)
.......................................................
259
O Tray 1 paper present sensor
......................................................
261
P Tray 2 paper present sensor
.......................................................
262
Q Tray 2 paper surface 1 and 2 sensors
........................................
263
R Tray 2 paper size switches
........................................................
264
x
ENWW