41388601TH Rev.6 4 /Oki Data CONFIDENTIALCONTENTS1. SPECIFICATIONS ............................................................................................ 61.1 Basic System Configuration ............................................................................................. 61.2 Printer Engine Specifications ........................................................................................... 71.3 Option Configuration ........................................................................................................ 81.4 Specifications ................................................................................................................... 92. PARTS REPLACEMENT ................................................................................ 112.1 Precautions in Replacing Parts ...................................................................................... 112.2 Parts Layout ................................................................................................................... 132.3 Replacing Parts .............................................................................................................. 202.3.1 Top cover .......................................................................................................... 212.3.2 LED Assy/ LED Assy spring ............................................................................. 222.3.3 Top cover unit ................................................................................................... 232.3.4 Control panel Assy/ Control panel bezel/ LED control PWB/ Toner sensor/Stack full sensor/ Control panel tape harness/ Eject roller ............................... 242.3.5 Top cover handle/ Tope cover latch/ Top cover latch spring ............................ 252.3.6 Eject guide Assy ............................................................................................... 262.3.7 Cassette Assy/ Blind cover/ Side cover R Assy ............................................... 272.3.8 Feed rollers ....................................................................................................... 282.3.9 Left side cover .................................................................................................. 292.3.10 Face-up tray ..................................................................................................... 302.3.11 Front cover ....................................................................................................... 312.3.12 Rear cover ........................................................................................................ 322.3.13 Multipurpose tray Assy/ Multipurpose tray cover Assy/ Links/Multipurpose tray top cover/ Multipurpose tray drive gear ................................ 332.3.14 Drum contact Assys .......................................................................................... 342.3.15 Registration roller Assy (A)/ Registration drive gear (A) ................................... 352.3.16 Registration roller Assy (B) ............................................................................... 362.3.17 Registration clutch, Registration motor Assy .................................................... 372.3.18 Cooling fan ....................................................................................................... 382.3.19 Color registration sensor Assy .......................................................................... 392.3.20 Duplex guide Assy ............................................................................................ 402.3.21 Electrical chassis/ Electrical chassis cooling fan .............................................. 412.3.22 Printer engine controller PWB .......................................................................... 422.3.23 Printer unit chassis ........................................................................................... 432.3.24 Entrance cassette sensor actuator ................................................................... 442.3.25 Entrance sensor PWB ...................................................................................... 452.3.26 Entrance MT sensor actuator and Entrance belt sensor actuator .................... 462.3.27 Main motor fan/ Fuser eject roller ..................................................................... 472.3.28 Eject sensor Assy ............................................................................................. 482.3.29 Fuser latching handle (L) .................................................................................. 492.3.30 Belt motor Assy ................................................................................................ 502.3.31 Fuser latching handle (R) ................................................................................. 512.3.32 Main motor Assy ............................................................................................... 522.3.33 Contact Assy/ Side plate Assy.......................................................................... 532.3.34 Low voltage power supply ................................................................................ 542.3.35 High voltage power supply ............................................................................... 552.3.36 Main feed Assy ................................................................................................. 562.3.37 Fuser unit .......................................................................................................... 572.3.38 Belt unit ............................................................................................................. 582.3.39 Duplex unit ........................................................................................................ 592.3.40 CU Assy ............................................................................................................ 60