Figure 157. Delivery of originals . . . . . . . . . . . . . . . . . . . . . . . . 264 Figure 158. Sequence of operations (reduced page composition; top pick-up) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265 Figure 159. Delivery path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266 Figure 160. Feeding the first original . . . . . . . . . . . . . . . . . . . . 266 Figure 161. Delivering the first original and picking up the second original . . . . . . . . . . . . . . . . . . . . . . . . . . . 267 Figure 162. Sequence of operations (small size, pick-up and delivery) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268 Figure 163.
Detecting an original . . . . . . . . . . . . . . . . . . . . . . . 269 Figure 164. Document tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270 Figure 165. Registration rollers . . . . . . . . . . . . . . . . . . . . . . . . . 271 Figure 166. Horizontal detection . . . . . . . . . . . . . . . . . . . . . . . . 272 Figure 167. Placement of original . . . . . . . . . . . . . . . . . . . . . . . 274 Figure 168. Control of pick-up motor . . . . . . . . . . . . . . . . . . . . 275 Figure 169. Control of belt motor . . . . . . . . . . . . . . . . . . . . . . . 277 Figure 170. ADF jam sensors . . . . . . . . . . . . . . . . . . . . . . . . . 279 Figure 171.
Improper placement of originals . . . . . . . . . . . . . . 282 Figure 172. Jam flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284 Figure 173. Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285 Figure 174. Motors, solenoids, and sensors . . . . . . . . . . . . . . . 286 Figure 175. PCB locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287 Figure 176. Indicator PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288 Figure 177. ADF general circuit diagram . . . . . . . . . . . . . . . . . 290 Figure 178. ADF controller circuit diagram (1 of 7) . . . . . . . . . 292 Figure 179. ADF controller circuit diagram (2 of 7) . . . . .
. . . . . 294 Figure 180. ADF controller circuit diagram (3 of 7) . . . . . . . . . . 296 Figure 181. ADF controller circuit diagram (4 of 7) . . . . . . . . . . 298 Figure 182. ADF controller circuit diagram (5 of 7) . . . . . . . . . . 300 Figure 183. ADF controller circuit diagram (6 of 7) . . . . . . . . . . 301 Figure 184. ADF controller circuit diagram (7 of 7) . . . . . . . . . . 301 Figure 185. ADF display board . . . . . . . . . . . . . . . . . . . . . . . . . 302 Figure 186. ADF general timing chart (top pick-up mode, A4, and 2 originals—single-sided original to single copy) . . . 303 Figure 187. Deck block diagram . . . . . . . . . . . . . . . . . . . . . . . . 304 Figure 188.
Deck controller PCB . . . . . . . . . . . . . . . . . . . . . . . 305 Figure 189. Deck controller PCB output . . . . . . . . . . . . . . . . . . 306 Figure 190. Pick-up feed rollers . . . . . . . . . . . . . . . . . . . . . . . . 307 Figure 191. Pick-up feed signals . . . . . . . . . . . . . . . . . . . . . . . 308 Figure 192. Signal transfer points . . . . . . . . . . . . . . . . . . . . . . 309 Figure 193. Pick-up signal levels . . . . . . . . . . . . . . . . . . . . . . . 309 Figure 194. Lifter operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 310 Figure 195. Remaining paper detection . . . . . . . . . . . . . . . . . . 311 EN Figures 9