xii List of figures C9660-90901
Figure 5-33 Pickup/feed system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Figure 5-34 Cassette paper size detection switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Figure 5-35 Overhead transparency detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Figure 5-36 Small-size paper detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Figure 5-37 Duplex switch back . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Figure 5-38 Additional 500-sheet paper feeder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Figure 5-39 500-sheet paper feeder pickup and feed operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Figure 6-1 Phillips and Posidriv screwdriver comparison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Figure 6-2 Removing and replacing the rear cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Figure 6-3 Removing and replacing the top cover (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Figure 6-4 Removing and replacing the top cover (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Figure 6-5 Removing and replacing the rear top cover, removing screws (1 of 3) . . . . . . . . . . . . . . . . . . . . 146
Figure 6-6 Removing and replacing the rear top cover, releasing right-side tab (2 of 3) . . . . . . . . . . . . . . . 147
Figure 6-7 Removing and replacing the rear top cover, releasing left-side tab (3 of 3) . . . . . . . . . . . . . . . . 147
Figure 6-8 Removing and replacing the left cover (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Figure 6-9 Removing and replacing the left cover (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Figure 6-10 Removing and replacing the right cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Figure 6-11 Removing and replacing the multi-purpose tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Figure 6-12 Removing and replacing the multi-purpose tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Figure 6-13 Removing and replacing the control panel (1 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Figure 6-14 Removing and replacing the control panel (2 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Figure 6-15 Removing and replacing the control panel (3 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Figure 6-16 Installing a new control panel overlay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Figure 6-17 Removing and replacing the DC controller shield . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Figure 6-18 Removing and replacing the paper pickup unit (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Figure 6-19 Removing and replacing the paper pickup unit (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Figure 6-20 Removing and replacing the paper pickup sensor PCB (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . 157
Figure 6-21 Removing and replacing the paper pickup sensor PCB (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . 157
Figure 6-22 Removing the cassette pickup rollers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Figure 6-23 Replacing the cassette pickup rollers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Figure 6-24 Removing and replacing the paper pickup drive unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Figure 6-25 Removing and replacing the multi-purpose tray pickup roller and separation pad (1 of 2) . . . . . 160
Figure 6-26 Removing and replacing the multi-purpose tray pickup roller and separation pad (2 of 2) . . . . . 160
Figure 6-27 Removing and replacing the solenoids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Figure 6-28 Removing and replacing the color registration detection unit (1 of 2) . . . . . . . . . . . . . . . . . . . . . 163
Figure 6-29 Removing and replacing the color registration detection unit (2 of 2) . . . . . . . . . . . . . . . . . . . . . 163
Figure 6-30 Removing and replacing the developing disengaging rod . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Figure 6-31 Reinstalling the developing disengaging rod (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Figure 6-32 Reinstalling the developing disengaging rod (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Figure 6-33 Removing and replacing the drum drive gears . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
Figure 6-34 Removing and replacing the drum home position sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Figure 6-35 Removing and replacing the interlock cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
Figure 6-36 Removing and replacing the interlock arm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
Figure 6-37 Removing and replacing the drum drive motors (cyan motor shown) . . . . . . . . . . . . . . . . . . . . . 169
Figure 6-38 Removing and replacing the memory tag antenna PCB (cyan is shown) . . . . . . . . . . . . . . . . . . 170
Figure 6-39 Removing and replacing the developing disengaging motor assembly . . . . . . . . . . . . . . . . . . . . 171
Figure 6-40 Removing and replacing the DC controller PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Figure 6-41 Removing and replacing the memory controller PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Figure 6-42 Removing and replacing the cassette paper size detection switch . . . . . . . . . . . . . . . . . . . . . . . 174
Figure 6-43 Removing and replacing the formatter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Figure 6-44 Removing and replacing the low-voltage power supply, left side of printer (1 of 3) . . . . . . . . . . 176
Figure 6-45 Removing and replacing the low-voltage power supply, rear of printer (2 of 3) . . . . . . . . . . . . . 177
Figure 6-46 Removing and replacing the low-voltage power supply (3 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . 177
Figure 6-47 Removing and replacing the formatter case (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Figure 6-48 Removing and replacing the formatter case (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Figure 6-49 Disconnecting the laser/scanner connectors and formatter ribbon cable . . . . . . . . . . . . . . . . . . 180
Figure 6-50 Removing and replacing the laser/scanner cover plate (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . 181
Figure 6-51 Removing and replacing the laser/scanner cover plate (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . 181
Figure 6-52 Removing and replacing the left side laser/scanner retaining bar, left side of printer (1 of 2) . . . 182
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