HP 400 manual Rollers 124

Figure 2-5 Rollers	124
Figure 2-6 PCAs	125
Figure 2-7 Optional 250-sheet cassette	126
Figure 2-8 Timing diagram	127
Figure 2-9 Circuit diagram	128
Figure 2-10  CPU diagram	129
Figure 2-11 ASIC diagram	130
Figure 2-12 HVT/Toner EMP diagram	131
Figure 2-13 Driver PCA diagram	132
Figure 2-14 Duplexer PCA diagram	133
Figure 2-15 FSR diagram	134
Figure 2-16 Control-panel test	175
Figure 2-17 Control-panel test	211
Figure 3-1 Scanner and document feeder main assemblies	250
Figure 3-2 External panels and covers	252
Figure 3-3 Internal assemblies (1 of 7)	254
Figure 3-4 Internal assemblies (2 of 2)	256
Figure 3-5 Internal assemblies (3 of 7)	258
Figure 3-6 Internal assemblies (4 of 7)	260
Figure 3-7 Internal assemblies (5 of 7)	262
Figure 3-8 Internal assemblies (simplex models)	264
Figure 3-9 Internal assemblies (duplex models)	266
Figure 3-10 PCAs	268
Figure 3-11 250-sheet paper feeder (optional Tray 3)	270

ENWW xxiii