Installing a hard drive, memory, and fonts ........................................................................................ 114 Installing a hard drive (HP Color LaserJet 4700 Series) .................................................. 114 Installing DDR memory DIMMs ........................................................................................ 117 Installing a flash memory card (HP Color LaserJet 4700 Series only) ............................. 121 Enabling memory .............................................................................................................. 125 To enable memory for Windows 98 and Me ....................................................
125 To enable memory for Windows 2000 and XP ................................................ 125 Installing an HP Jetdirect print server card (HP Color LaserJet 4700 Series only) .......................... 126 To install an HP Jetdirect print server card ....................................................................... 126 Setting the real-time clock ................................................................................................................. 130 Setting the date and time ..................................................................................................
130 To set the date format ...................................................................................... 130 To set the date ................................................................................................. 130 To set the time format ...................................................................................... 131 To set the time ................................................................................................. 131 Setting the wake time .......................................................................................................
132 To set the wake time ........................................................................................ 132 Setting the sleep delay ..................................................................................................... 133 To set the sleep delay ...................................................................................... 133 5 Theory of operation Basic operation .................................................................................................................................. 136 Operation sequence .........................................................................................................
136 Power on sequence .......................................................................................................... 137 Internal components .......................................................................................................................... 139 Formatter system ............................................................................................................................... 141 Sleep mode ....................................................................................................................... 141 Image Resolution Enhancement technology (REt) ..........................................................
142 Input/Output ...................................................................................................................... 142 Parallel interface (HP Color LaserJet 4700 Series only) ................................. 142 USB 2.0 connector ........................................................................................... 142 ACC accessory port (HP Color LaserJet 4700 Series only) ............................ 142 Flash (HP Color LaserJet 4700 Series only) ................................................... 143 Hard drive accessory (HP Color LaserJet 4700 Series only) ..........................
143 CPU .................................................................................................................. 143 Printer memory ................................................................................................................. 143 Read-only memory ........................................................................................... 143 Random-access memory ................................................................................. 143 DIMM slots ........................................................................................................................
143 Flash memory .................................................................................................. 143 Nonvolatile memory ......................................................................................... 143 PJL overview ..................................................................................................................... 144 PML ................................................................................................................................... 144 Control panel .....................................................................................................................
144 Engine control system ....................................................................................................................... 145 DC controller PCB ............................................................................................................. 145 Block operation ................................................................................................ 147 Motors, fans, and environment sensor ............................................................................. 147 Failure detection ...............................................................................................................
149 Drum motor failure detection ............................................................................ 149 ENWW vii