Jam detection (EF) ................................................................................................... 51 Duplexer ............................................................................................................................... 53 Motor and fan control (DP) ....................................................................................... 54 Failure detection (DP) ................................................................................ 55 Reverse-and-re-pickup operation (DP) .........................................................................
55 Side registration adjustment operation (DP) ................................................................ 56 Jam detection (DP) ................................................................................................... 58 2 Removal and replacement .............................................................................................. 59 Introduction ........................................................................................................................... 60 Removal and replacement strategy ...........................................................................................
60 Electrostatic discharge ............................................................................................................ 60 Required tools ........................................................................................................................ 61 Types of screws ..................................................................................................................... 62 Service approach ................................................................................................................... 63 Before performing service ........................................................................................
63 After performing service ........................................................................................... 63 Post-service test ....................................................................................................... 63 Print-quality test ........................................................................................ 63 Customer replaceable units (CRUs) ........................................................................................... 64 Print cartridge .........................................................................................................
64 Tray 2 ................................................................................................................... 65 Tray 2 separation, pickup, and feed rollers ................................................................ 66 Transfer roller ........................................................................................................ 69 Fuser ..................................................................................................................... 70 Formatter cover and formatter cage ...........................................................................
71 Remove the fuser ...................................................................................... 70 Installing a new formatter .......................................................................... 73 Hard drive ............................................................................................................. 74 Remove the SSM ...................................................................................... 74 Remove the encrypted HHD ....................................................................... 76 Installing a replacement hard drive .............................................................
78 SSM firmware upgrade .............................................................. 78 HDD firmware upgrade .............................................................. 79 Memory DIMM ....................................................................................................... 80 Remove the memory DIMM ....................................................................... 80 Install the memory DIMM ........................................................................... 81 Tray 1 pickup and feed rollers ..................................................................................
82 Tray 1 separation roller ........................................................................................... 85 Rear output bin ....................................................................................................... 87 Covers .................................................................................................................................. 88 ENWW vii