Figure 6-78 Removing the power-switch assembly.........................................................................................125 Figure 6-79 Removing the scanner base fan (1 of 2)......................................................................................126 Figure 6-80 Removing the scanner base fan (2 of 2)......................................................................................126 Figure 6-81 Removing the power plug (1 of 2)................................................................................................127 Figure 6-82 Removing the power plug (2 of 2)................................................................................................127 Figure 6-83 Removing the SCB cable ............................................................................................................128 Figure 6-84 Removing the internal control-panel cable (1 of 2)......................................................................129 Figure 6-85 Removing the internal control-panel cable (2 of 2)......................................................................129 Figure 6-86 Removing the scanner glass and cover (1 of 2)..........................................................................130 Figure 6-87 Removing the scanner glass and cover (2 of 2)..........................................................................131 Figure 6-88 Removing the carriage lock assembly.........................................................................................132 Figure 6-89 Removing the open sensor assembly..........................................................................................133 Figure 6-90 Removing the inverter (1 of 4) .....................................................................................................134 Figure 6-91 Removing the inverter (2 of 4) .....................................................................................................135 Figure 6-92 Removing the inverter (3 of 4) .....................................................................................................135 Figure 6-93 Removing the inverter (4 of 4) .....................................................................................................136 Figure 6-94 Removing the optical assembly (1 of 4).......................................................................................137 Figure 6-95 Removing the optical assembly (2 of 4).......................................................................................138 Figure 6-96 Removing the optical assembly (3 of 4).......................................................................................138 Figure 6-97 Removing the optical assembly (4 of 4).......................................................................................139 Figure 6-98 Removing the scanner motor (1 of 5)..........................................................................................140 Figure 6-99 Removing the scanner motor (2 of 5)..........................................................................................141 Figure 6-100 Removing the scanner motor (3 of 5)..........................................................................................141 Figure 6-101 Removing the scanner motor (4 of 5)..........................................................................................142 Figure 6-102 Removing the scanner motor (5 of 5)..........................................................................................143 Figure 6-103 Removing the lamp .....................................................................................................................145 Figure 6-104 Removing the scanner belt assembly (1 of 2)..............................................................................146 Figure 6-105 Removing the scanner belt assembly (2 of 2)..............................................................................146 Figure 6-106 Removing the scanner motor fan ................................................................................................148 Figure 7-1 Digital-sender LEDs ....................................................................................................................165 Figure 7-2 Digital sender wiring diagram ......................................................................................................183 Figure 7-3 Scanner controller board .............................................................................................................184 Figure 7-4 ADF troubleshooting parts ..........................................................................................................185 Figure 7-5 ADF internal troubleshooting parts...............................................................................................186 Figure 7-6 Flatbed internal troubleshooting parts..........................................................................................187 Figure 7-7 Flatbed base troubleshooting parts..............................................................................................188 Figure 7-8 Rear troubleshooting parts ..........................................................................................................188 Figure 8-1 Related documentation and software..........................................................................................194 Figure 8-2 Internal components ....................................................................................................................196 Figure 8-3 Cables and interfaces...................................................................................................................198 Figure 8-4 Control-panel overlays.................................................................................................................200 Figure 8-5 Maintenance kits..........................................................................................................................202 Figure 8-6 Memory.........................................................................................................................................204 Figure 8-7 ADF Assembly..............................................................................................................................206 Figure 8-8 ADF base assembly ....................................................................................................................208 Figure 8-9 Separation pad case ...................................................................................................................210 Figure 8-10 Pickup roller assembly ................................................................................................................212 Figure 8-11 Control panel cover assembly .....................................................................................................214 Figure 8-12 Control panel assembly ...............................................................................................................216 Figure 8-13 ADF left cover...............................................................................................................................218 xiii