HP 8550 Service Manual - Page 739

HP FIRST (Fax Information Retrieval Support Technology) 43 HP Software Distribution Center 44 technical 42 websites 40 Support Materials Europe (SME) ordering information 39 supports, part numbers 708 switches DIP 535 lower limit lifter 310 MS1 (open/closed), adjusting 151 open/closed (MS1), adjusting 151 power 177 power supply, high-capacity input (HCI) 314 power, troubleshooting 541 remaining paper detection 310, 311 system 49 switching arm sequence of operations 256 system switch 49 T tables, list of 17 target values 67, 68 technical training 40 temperature auto power save mode 235 copy module 25 high-capacity input (HCI) 32 internal 69 operating environment 462 scanning lamp 195, 196 sensors 79 warm-up phase 184 tension belt motor 391 timing belt adjustments 331 tension gage 331 terminology guide 103 test print mode menus 108 options 110 test prints 465 test strips 424 testing drums 95 keypad 94 LCD panel 94 paper feed 95 pick-up 539 text adjusting settings 84 density correction 229 detection signal 207 identification block 211 EN priority on speed mode 204 settings for 53 text mode 109 text/photo/map mode 51, 89 thermistor, scanning lamp 196 tightening lifter wire 451 tiling 51 timer settings 55 timing belt adjusting tension 331 timing charts automatic document feeder (ADF) 288, 303 timing sensors cleaning 167 toner absorption characteristics 221 black, theory of 219 caking prevention 332 catch tray 457 cooling off 177 excessive 457, 466 light, relationship to 217 spilled 457, 466 theory of operation 187 waste case 69 toner cartridge cyan 466 faults 467, 469 tools mirror positioning 351 required 331 top pick-up mode 416 reduced page composition mode 263 second original 259 sequence of operations 251, 256, 257 touch panel display clearing 55 diagrams 50 troubleshooting 458 tracking function, anti-counterfeit 231 trailing edges detecting 271, 274 margins, adjusting 122 training 40 transfer bias, adjusting 87 transfer blocks 201 transfer faults 470 transformers, part numbers 708 transparencies guidelines for 29 transfer bias, adjusting 88 trays, part numbers 708 troubleshooting ac power 519 checklist 457 Index 737