HP 4550 Service Manual - Page 374

NVRAM (non-volatile memory) function 100 initializing 307 O Office, Microsoft 247, 249 OHT sensor (PS301) 125 ordering documentation 43 drivers 43 parts 41, 325 software 43 OS/2 servers, IBM 72 output bins capacity 17 face-down 127 face-up 127 rear 26 top 25 overcurrent protection 136 overlays, control panel installing 154 ordering 326 overvoltage protection 136 P package contents 48 packing tape, removing 49 page count color 296 consumables 142 definition 80 ITB 114 printing report 291 total 297 page sets, embedded Web server 285 PageMaker, Adobe 249 pages black, troubleshooting 255 blank 256 last, detecting 125 leading edges, detecting 114 per month maximum 24 trailing edges, detecting 129 white 256 palettes, PANTONE 249 pan assembly, formatter 170 PANTONE colors 248 paper non-supported 30 ordering 326 preprinted 33 recycled 33 selecting 28 Soft Gloss 326 specifications 241 supported sizes 29 paper feed PCB, removing 183 paper feed rollers locating 84 replacing 94 paper feeder paper detection sensor (PS3001) 126 paper feeder paper-size detection switches (SW3001,3002,3003) 126 paper feeder pick-up solenoid (SL3001) 126 Paper Handling Menu 274 paper jams checklist 241 error messages 239 locations 238 log, printing 292 recovery, enabling 242 sensors 122 paper path duplex unit 128 jam checklist 241 operations 122 test 302 troubleshooting 237 paper pick rollers cleaning 78 removing 205 paper pick-up assembly, diagrams 345 paper size detection sensors 126 detection switches 123, 127, 313 Paper Handling Menu 274 paper size switch PCB, removing 181 paper sizes, supported 17, 29 paper transport assembly, removing 204 parallel cable connecting 59 pin configuration 60 specifications 58 troubleshooting 268 parallel connector 26 parallel port 58 parameters, network 70 part numbers alphabetical list 355 consumables 325 numerical list 359 parts compact disc information 42 ordering 41 replacing 139 passwords, setting 74 PCBs, removing assembly diagrams 333 developing 159 formatter 169 paper feed 183 paper size switch 181 PCL support 17 perforations 30 Phillips screwdrivers 140 phone numbers Commercial Service ans Support Organizations 41 HP Distribution Center 43 ordering parts 41 ordering supplies 325 photoconductive material 105, 106 photodiodes 111 photosensitive drum cartridge 112 operations 116 PhotoShop, Adobe 247, 249 pick-up assembly, diagrams 345 pick-up motor (M2) operations 122, 126, 133 removing 187 pick-up rollers operations 124 removing 205 pin configuration, parallel cable 60 372 Index C7085-90921