Flatbed scan position sensor arm .................................................................................... 162 Reinstall the flatbed scan position sensor arm ................................................ 163 Exit 1 sensor arm ............................................................................................................. 165 Exit 2 sensor arm ............................................................................................................. 166 Paper-present-sensor arm ...............................................................................................
168 Input-tray-elevator arm .................................................................................................... 169 Registration sensor arm ................................................................................................... 172 Scan position sensor arm ................................................................................................ 174 Pick-up roller spring ......................................................................................................... 175 Separation-pad spring .....................................................................................................
176 ADF input-tray assembly ................................................................................................. 177 ADF output tray ................................................................................................................ 179 Reinstall the ADF output tray .......................................................................... 181 Pickup-roller cover ........................................................................................................... 183 ADF hinge limiters ...........................................................................................................
185 ADF jam door 3 ................................................................................................................ 186 Paper present sensor and imprinter PCA holder ............................................................. 188 ADF shingle wall .............................................................................................................. 190 A4 paper-stop .................................................................................................................. 193 ADF background-solenoid assembly ...............................................................................
194 Reinstall the ADF background-solenoid assembly .......................................... 197 Imprinter carriage and FFC .............................................................................................. 199 Flatbed scanner FRUs ..................................................................................................................... 201 Flatbed ............................................................................................................................. 202 Scanner carriage-motor fan .............................................................................................
203 Scanner carriage fan ....................................................................................................... 206 Scanner carriage motor ................................................................................................... 208 Control-panel PCA ........................................................................................................... 211 Scanner controller PCA ................................................................................................... 213 Power-supply PCA ...........................................................................................................
216 Scanner-glass assembly .................................................................................................. 220 ADF power-cable assembly ............................................................................................. 221 Carriage-motor cable ....................................................................................................... 223 Power switch and power receptacle assembly ................................................................ 224 6 Solve problems Troubleshooting process ..................................................................................................................
228 Pre-troubleshooting checklist ........................................................................................................... 229 Basic troubleshooting checks ........................................................................................................... 230 Power-on checks ............................................................................................................. 231 LED diagnostics .............................................................................................. 232 Check the USB connection .............................................................................
233 Uninstall and then reinstall the HP Scanjet utilities ......................................... 233 vi ENWW