Sensors and switches ................................................................................. 160 Cross section diagrams .............................................................................. 165 Location of connectors ................................................................................................. 169 DC controller PCA ....................................................................................... 169 Intermediate paper transport unit (ITPU) driver PCA (M680) ................... 172 Accessories controller PCA .........................................................................
173 3-bin stapling mailbox accessory (M680) ................................................. 174 Formatter connections ................................................................................................. 176 Location of major components .................................................................................... 178 Base product .............................................................................................. 178 1x500-sheet paper feeder ......................................................................... 181 1x500-sheet paper deck ............................................................................
182 2,500-sheet high-capacity feeder (HCI) .................................................... 183 3-bin stapling mailbox accessory (M680) ................................................. 184 General timing chart ..................................................................................................... 185 Internal print-quality test pages .................................................................................................... 191 Circuit diagrams ............................................................................................................
186 Print quality troubleshooting pages ............................................................................ 191 Print quality assessment page ..................................................................................... 194 Cleaning page ............................................................................................................... 196 Print a configuration page ............................................................................................ 197 Enable and configure auto cleaning .......................................................... 196 Configuration page .....................................................................................
197 HP embedded Jetdirect page ..................................................................... 200 Finding important information on the configuration pages ..................... 202 Print quality troubleshooting tools ................................................................................................ 203 Color band test ............................................................................................................. 202 Print quality troubleshooting tools: repetitive defects ruler ...................................... 203 Calibrate the product to align the colors .....................................................................
204 Control-panel menus ...................................................................................................................... 205 Administration menu .................................................................................................... 205 Reports menu ............................................................................................. 205 General Settings menu ............................................................................... 208 Copy Settings menu (M680 only) ............................................................... 222 Scan/Digital Send Settings menu (M680) ..................................................
229 General Print Settings menu ...................................................................... 253 Fax Settings menu (M680) ......................................................................... 240 Default Print Options menu ....................................................................... 256 Display Settings menu ............................................................................... 258 Manage Supplies menu .............................................................................. 260 Manage Trays menu ................................................................................... 266 ENWW ix