HP 8550 Service Manual - Page 733
Q, R, I/O states 80
View all HP 8550 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 733 highlights
pressure, separation belt adjusting 152 pre-transfer assembly troubleshooting 462 pre-transfer charging assembly faults 466 pre-troubleshooting checklist 457 print engine adjustments 120 printer disassembling 332 troubleshooting 457 printer drivers handled by HP Driver Distribution Center 44 obtaining 40 request form 43 troubleshooting 457 printer formatter 304 printer power cord connector diagrams 26 printer/HCI gap, adjusting 159 priorities, setting 53 priority on image quality mode 204 priority on speed mode 204 product data sheets 43 PS/PCL board, troubleshooting 508 pulley cover, removing 442 pulley kits, part numbers automatic document feeder (ADF) 601 high-capacity input (HCI) 649 pullouts 331 Q quality auto gradation adjustments 125 background cancellation 213 end user adjustments 121 image priority mode 204 image, options 99 image, troubleshooting 476 R R image signal 210 rail, scanner cleaning 525 lubricating 174 rate of saving, power 53 ratios, reproduction automatic selection 197 horizontal 222 theory of operations 192 vertical 222 ratios, RGB 84 R-CON menu 80 RDF controller, diagrams and part numbers 644 read address 227 EN reader controller PCB circuitry 179, 180 communication control 232 diagrams 587 I/O states 80 original size, identifying 199 part numbers 587 pass-through only 200 resetting 62 scanner motor 192 scanning lamp control 193 troubleshooting 509 READY indication 93 rear cover (copy module) identifying 333 removing 336 rear cover (HCI) identifying 434 removing 436 rear power switch diagrams 26 using 177 recalibrating CCD 128 exposure 56 exposure adjustments 126 lamp output 127 re-circulating lever idle rotation 281 recirculating lever operations 274 recirculation lever idle rotation 74, 283 recirculation sensor (S14) 279, 282 reduced page composition original sizes 255 sequence of operations 263, 265 reduction automatic 51 specifications 23 theory of operations 192, 222 reentering settings 62 reflecting faces, cleaning 170 reflector, part numbers 698 registration paper sensor adjusting 155 cleaning 170, 172 detecting original direction 271 functions 279, 282 settings 79 registration roller diagrams 31 faults 470 removing 402 sequence of operations 258 troubleshooting 482, 544 Index 731