42640901TH Rev.1 4 /Oki Data CONFIDENTIALCONTENTS1. CONFIGURATION .................................................................................................... 61.1 System Configuration ....................................................................................... 61.2 Printer Configuration ......................................................................................... 71.3 Specification ..................................................................................................... 81.4 Safety Standards ............................................................................................ 101.4.1 Certification Label ...................................................................................................... 101.4.2 Warning Label ........................................................................................................... 101.4.3 Warning/Caution Marking .......................................................................................... 112. PARTS REPLACEMENT ........................................................................................ 122.1 Precautions for Parts Replacement ................................................................ 122.2 Parts Layout.................................................................................................... 142.3 How to Change Parts...................................................................................... 172.3.1 Upper Cover Assy ..................................................................................................... 182.3.2 LED Head .................................................................................................................. 192.3.3 Operator Panel Assy ................................................................................................. 202.3.4 Lower Base Unit ........................................................................................................ 212.3.5 Pulse Motor (Main/Drum) .......................................................................................... 222.3.6 Pulse Motor (Registration) ......................................................................................... 232.3.7 Face Up Stacker Assy ............................................................................................... 242.3.8 Eject Roller Assy ....................................................................................................... 252.3.9 Motor Assy ................................................................................................................. 262.3.10 Hopping Roller Shaft Assy ......................................................................................... 272.3.11 Stacker Cover Assy ................................................................................................... 282.3.12 Registration Roller ..................................................................................................... 292.3.13 Roller Transfer Assy .................................................................................................. 302.3.14 Fusing Unit ................................................................................................................ 312.3.15 Back-up Roller ........................................................................................................... 322.3.16 Sensor Plate (Inlet) .................................................................................................... 332.3.17 Sensor Plate (Outlet), Sensor Wire Assy .................................................................. 342.3.18 Manual Feed Guide Assy .......................................................................................... 352.3.19 Sensor Plate (Paper Supply) ..................................................................................... 362.3.20 GRG-5, 7 PCB ........................................................................................................... 372.3.21 Power Supply Board and High Voltage/Sensor Board .............................................. 382.3.22 Cassette Guide L Assy .............................................................................................. 392.3.23 Cassette Guide R Assy ............................................................................................. 403. ADJUSTMENT ........................................................................................................ 413.1 Adjustment Types and Functions ................................................................... 413.1.1 Status Monitor ........................................................................................................... 413.1.2 Maintenance Utility .................................................................................................... 413.2 Adjustment When Replacing a Part ................................................................ 413.2.1 Uploading/Downloading EEPROM data .................................................................... 414. PERIODICAL MAINTENANCE .............................................................................. 424.1 Periodical Replacement Parts ........................................................................ 424.2 Cleaning.......................................................................................................... 424.2.1 Cleaning of LED Lens Array ...................................................................................... 424.2.2 Cleaning Page Function ............................................................................................ 43