Table of Contents PageService Manual for OKIPAGE 14ex0 IntroductionIntroduction 11 Specifications1.1 System Configuration 21.2 Printer Configuration 31.3 Optional Configuration 41.4 Specification 51.5 Safety Standards 6....1.5.1 Certification Label 7....1.5.2 Warning Label 8....1.5.3 Warning/Caution Marking 92 OperationOperation Description 102.1 Main Control Board 112.2 Power Supply/Sensor Board 122.3 Electrophotographic Process 13....2.3.1 Electrophotographic Process Mechanism 14....2.3.2 Electrophotographic Process 15....2.3.3 Process Operation Descriptions 16....2.3.4 Revision of LED Head Illumination 172.4 Paper Jam Detection 182.5 Cover Open 192.6 Toner Low Detection 203 Disassembly3.1 Precautions for Parts Replacement 213.2 Parts Layout - [Lower base unit] 22........[Upper cover unit] 23........[Base unit] 243.3 How to Change Parts 25....3.3.1 Upper Cover Assy 26....3.3.2 LED Head 28....3.3.3 Operator Panel Assy 29....3.3.4 Lower Base Unit 30....3.3.5 Pulse Motor Main/Drum 31....3.3.6 Pulse Motor (Registration) 32