4 Before Using the UnitUsing the Scanner ....................................................................................... 30Documents ............................................................................................... 30Setting Up the Paper Feed Tray and the Document Eject Tray ................ 31Installing the Document Eject Guide ........................................................ 33Loading a Document for Scanning ........................................................... 35When Using Automatic Feed .............................................................. 35When Using Manual Feed .................................................................. 38Patch Code Sheets .................................................................................. 40About the Patch Code Sheets ............................................................. 40Functions of Patch Code Sheets ........................................................ 41Using the Patch Code Sheets ............................................................. 41Effective Area for Detecting Patch Code Patterns .............................. 42Clearing a Paper Jam .............................................................................. 43Regular Maintenance .................................................................................. 46Cleaning the Scanner .............................................................................. 46Cleaning the Scanning Glass and the Rollers ......................................... 47Troubleshooting .......................................................................................... 48Specifications .............................................................................................. 53Index ............................................................................................................. 55