Technical data

9.12.1 Installing a new developer unit ....................... 9–23
9.13 Toner Cartridges . . ................................... 9–24
9.14 Video Control Board ................................... 9–25
9.14.1 PostScript Description Language Option (PDL) Board ...... 9–27
9.14.2 Coprocessor SIM .................................. 9–28
9.14.3 Expansion Memory (SIM) ........................... 9–30
9.15 DC Control Board . ................................... 9–34
9.15.1 DC Control Board Harness .......................... 9–38
9.15.2 Page Count Memory ................................ 9–39
9.16 LVPSA . . ........................................... 9–40
9.17 HVPSA. . ........................................... 9–43
9.17.1 Primary High-Voltage Connector . . . ................... 9–45
9.17.2 Print Drum Ground Clips ........................... 9–46
9.17.3 Developer Bias Connector ........................... 9–47
9.18 Drive Board ......................................... 9–48
9.19 Rear Electronics Assembly . . . ........................... 9–49
9.20 Video Cooling Fan . ................................... 9–54
9.21 Developer Interconnect Board ........................... 9–56
9.22 Upper Bracket ....................................... 9–57
9.22.1 Fuser Fan ....................................... 9–59
9.22.2 Control Panel . . ................................... 9–60
9.23 Laser/Scanner Assembly ............................... 9–61
9.24 Top Door (Scanner) Interlock Sensor . . . ................... 9–64
9.25 Transfer/Separation Charger . ........................... 9–65
9.26 Erase Board ......................................... 9–66
9.27 Registration Transport Assembly ......................... 9–68
9.28 Fusing Unit ......................................... 9–70
9.28.1 Fuser Cleaning Pad ............................... 9–73
9.29 Prefuser Transport . ................................... 9–74
9.30 Lower Postfuser Transport . . . ........................... 9–75
9.30.1 Upper Postfuser Transport Assembly ................... 9–76
9.31 Gate Sensor Linkage .................................. 9–77
9.32 Refeed Cover ........................................ 9–78
9.33 Refeed Rollers and Clutch . . . ........................... 9–80
9.34 Exit Motor .......................................... 9–86
9.35 Offset Motor Assembly ................................. 9–87
9.36 Main Motor ......................................... 9–90
9.37 Upper Cassette-empty Sensor ........................... 9–93
9.38 Upper Size-sensing Assembly. ........................... 9–94
9.39 Lower Cassette-empty Sensor ........................... 9–96
9.40 Lower Size-sensing Assembly ........................... 9–97
9.41 Bypass Sensor ....................................... 9–98
9.42 Exit Sensor ......................................... 9–99
vii