03/2003
4-1
8850/ 510DP
Repairs and Adjustments
4 Repairs and Adjustments
Electrical
REP 3.1 Main PWB (A3) ................................................................................................. 4-3
REP 3.2 Xerographic High Voltage Power Supply (HVPS 1) ......................................... 4-5
REP 3.3 SPS 510dp Control Panel................................................................................. 4-7
Paper Feed and Transportation
REP 7.1 Roll Media Supply Drawer ................................................................................ 4-9
REP 7.2 Rewind Gear and Rewind Internal Gear........................................................... 4-10
REP 7.3 Roll Feed Pinch Rolls ....................................................................................... 4-11
REP 7.4 Roll Feed Drive Roll.......................................................................................... 4-12
REP 7.5 Feed Clutch ...................................................................................................... 4-14
REP 7.6 Rewind Clutch................................................................................................... 4-15
REP 7.7 Motion Sensor................................................................................................... 4-15
REP 7.9 Roll Drive Motor................................................................................................ 4-17
REP 7.10 Lower Media Roll Heater ................................................................................ 4-18
REP 7.11 Upper Media Roll Heater ................................................................................ 4-19
REP 7.12 Encoder Disk .................................................................................................. 4-20
REP 7.14 Sheet Feed Pinch Rolls .................................................................................. 4-21
Paper Feed and Registration
REP 8.1 Lower Sheet Feed Assembly............................................................................ 4-25
REP 8.2 Media Transport Module................................................................................... 4-29
REP 8.3 Sheet Feed Sensor........................................................................................... 4-32
REP 8.4 Stack Height Sensor......................................................................................... 4-33
REP 8.5 Sheet Feed Drive Motor (MOT 1) ..................................................................... 4-35
REP 8.6 Sheet Feed Drive Belt....................................................................................... 4-36
REP 8.7 Sheet Feed Drive Roll....................................................................................... 4-37
REP 8.8 Media Registration Sensor ............................................................................... 4-40
REP 8.12 Registration Pinch Rolls.................................................................................. 4-40
REP 8.13 Media Transport Drive Motor and Belt............................................................ 4-44
REP 8.14 Cutter Home Sensor ....................................................................................... 4-45
REP 8.15 Media Exit Pinch Roll...................................................................................... 4-46
REP 8.16 Media Exit Drive Roll ...................................................................................... 4-48
REP 8.17 Registration Drive Roll .................................................................................... 4-52
REP 8.18 Detack Corotron/BTR Extrusion ..................................................................... 4-55
Xerographics
REP 9.1 Xerographic Module.......................................................................................... 4-57
REP 9.2 Drum Assembly ................................................................................................ 4-57
REP 9.3 Drum ................................................................................................................. 4-61
REP 9.4 Cleaner Blade Kit.............................................................................................. 4-63
REP 9.5 Developer Module............................................................................................. 4-66
REP 9.6 Cartridge Drive Motor ....................................................................................... 4-70
REP 9.7 Developer Material............................................................................................ 4-71
REP 9.8 Scorotron Pin Kit............................................................................................... 4-79
REP 9.9 Detack Corotron................................................................................................ 4-81
REP 9.11 Toner Sensor .................................................................................................. 4-84
REP 9.12 Toner Cartridge Home Sensor........................................................................ 4-85
REP 9.13 Sump Shield.................................................................................................... 4-88
REP 9.14 Cartridge Drive Plate....................................................................................... 4-90
REP 9.18 Pressure Equalizer Tubes............................................................................... 4-93
REP 9.19 Roller Kit ......................................................................................................... 4-95
REP 9.20 Image Module ................................................................................................. 4-96
REP 9.21 Erase Bar........................................................................................................ 4-102
REP 9.22 Bias Transfer Roll (BTR)................................................................................. 4-103
REP 9.23 Drum Encoder Assembly ................................................................................ 4-105
REP 9.24 Electrometer Probe (ESV 1) ........................................................................... 4-108
REP 9.25 Ozone Filter (SPS 510dp)............................................................................... 4-109
Fusing
REP 10.1 Heat Rods, Edge (HR 1) and Center (HR 2)................................................... 4-111
REP 10.2 Fuser Heat Roll............................................................................................... 4-115
REP 10.3 Web Oiler Assembly ....................................................................................... 4-119
REP 10.4 Stripper Fingers .............................................................................................. 4-121
REP 10.5 Web Oiler........................................................................................................ 4-122
REP 10.6 Thermal Fuse (F1) .......................................................................................... 4-126
REP 10.7 Edge and Center Thermistors (RT 2) and (RT 3) ........................................... 4-128
REP 10.8 Pressure Roll .................................................................................................. 4-129
REP 10.9 Fuser Exit Sensor (S2).................................................................................... 4-134
REP 10.11 AC Module (A1) ............................................................................................ 4-136
Covers
REP 14.1 Top Cover....................................................................................................... 4-139
Adjustments
ADJ 3.2 Line Current Limit .............................................................................................. 4-143
ADJ 7.1 Media Roll Supply Drive Chain (510dp, 8850 W/Tag 11).................................. 4-144
ADJ 8.1 Vertical Magnification ........................................................................................ 4-145
ADJ 8.2 Lead Edge Registration..................................................................................... 4-147
ADJ 8.3 Cut Length......................................................................................................... 4-148
ADJ 9.2 Electrostatic Series............................................................................................ 4-149
ADJ 9.3 Image Density.................................................................................................... 4-150
ADJ 9.5 Toner Cartridge Home Sensor .......................................................................... 4-151
ADJ 9.6 Augers ............................................................................................................... 4-153
ADJ 10.1 Fuser Temperature (NVM) .............................................................................. 4-154
ADJ 10.2 Fuser Drive Interlock Switch 8850 W/O Tag 8 ................................................ 4-155
ADJ 10.3 Fuser Drive Motor............................................................................................ 4-156
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