HP 8550 Service Manual - Page 714
Asia Pacific Customer Care Centers 46, ASAP Automated Support Access Program 42
View all HP 8550 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 714 highlights
ADF errors open during operation 280, 281 ADF switch (MS1) 279 adjust mode ADJ-XY 84, 90 CCD settings 90 DENS settings 85 FEED-ADJ 89, 92 HV-TR 87, 92 IMG-REG settings 85, 90 menus 83 PASCAL 86, 91 adjusters, part numbers 680 adjusting auto gradation 125 automatic document feeder (ADF) height 140 belt motor tension 391 black text density 53 CCD calibration 128 clutch timing 89 CMYK balance 86 CMYK density 85, 109 color area 89 control panel contrast 49 document tray paper sensor (S1) 155 document tray, automatic document feeder (ADF) 146 drive belt tension 338 exposure recalibration 126 feeding power 154 gradation 57 horizontal registration 124 horizontal size plate 145 image start positions 89 lamp, scanning 127 LCD contrast 232 margins 85, 122 MS1 (open/closed switch) 151 open/closed switch 151 original skew 142 original-width-detecting variable resistor (VR1) 157 power, feeding 154 registration sensor (S3) 155 sensors 155 separation belt pressure 152 sharpness 121 sheet-to-sheet distance 115 sheet-to-sheet gap 149 stop position 115 stopper plate solenoid 423 tension, belt motor 391 tension, drive belt 338 text quality 84 transfer bias 87 zoom control 56 ADJ-X/Y (image start position) troubleshooting 466 ADJ-XY (image start position) settings 84, 90 administrative functions key 61 administrative menus 52 AE mode menus 84 settings 204 alarm sound 53 ALARM-1 menu 69 algorithms, copy 51 alphabetical list, part numbers 680 aluminum white plate 99 ammonium gas, avoiding 462 analog image processor diagrams 588 operations 203 part numbers 588 anti-counterfeit function overview 231 troubleshooting 480 anti-reflecting plate, mounting 358 anti-see-through mode 213 AP-IP PCB functions 206 removing 372 replacing 134 application notes HP Driver Distribution Center 44 HP FIRST 43 applying lubricants 174 arching, during paper feed 258 arms, part numbers 680 ASAP (Automated Support Access Program) 42 Asia Pacific Customer Care Centers 46 assembling printer 332 assembly diagrams automatic document feeder (ADF) 605 belt drive motor 634 control panel 572, 584 copy module 561 copyboard cover 574 deck controller PCB 668 DF 608 document tray (ADF) 612 electrical tray, copy module 578 high-capacity input (HCI) 652 lifter drive 663 mirrors 576 paper pick-up (HCI) 664, 666 paper separation 642 power cord, copy module 570 RF 616 right paper delivery 630 separation roller 640 712 Index EN