OKIDATA OF1050, Service Manual

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Table of Contents Page
....Okifax 2350/2450 G3 Receive Picture Signal 117
....Okifax 2350/2450 Report Print Signal 118
3.9 Power Supply Unit 119
....General functional description 120
....3.9.02 Power Supply Unit (FXVE/FXVH) 121
....3.9.03 FXVE (for 120 V)/FXVH (for 230 V) Circuit Diagram
(2/2) 122
3.10 NCU Board 123
3.11 TELU Circuit Diagram (option) 124
....Block Diagram of TEL-U (option) 125
....Relationship between NCUU and TEL-U 126
3.12 MEMO (memory) Circuit Diagram (option) 127
3.13 P050 (PC interface unit) Circuit Diagram (option) 128
3.14 TQSB (Second tray) Circuit Diagram: option 129
Section 2: Print Operation - 3.15 Mechanical Components 130
....Layout of Print Station Components 131
3.16 Process Operations 132
....3.16.02 Charging 133
....3.16.03 Exposure 134
....3.16.4 Developing 135
....3.16.05 Transfer 136
....3.16.06 Fusing 137
....3.16.07 Cleaning 138
....3.16.08 Cleaning of rollers 139
3.17 Actual Electo-photographic Process 140
3.18 Errors List 141
3.19 Major Trouble Errors 142
3.20 Cleaning 143
3.21 Sensors and Switches 144
....3.21.02. Sensors and switch control 145
4 Mechanical Disassembly and Reassembly
4.1 General 146
....4.1.2 Tools 147
4.2 How to Disassemble and Reassemble 148
....4.2.1 LED Print Head 149
....4.2.2 Image Drum, Rear Cover, NCU Cover, Main Cover,
Separation Plate, NCU Board, Modem Board 150
....4.2.3 Control Panel Assembly, Paper Guide (U) Assembly. 151
....4.2.4 Sub-roller, ADF Roller Assembly, Pinch Roller, Contact
Image Sensor, Document Detectors (PC1 and PC2). 152
....4.2.5 Registration Stepper Motor, Main Stepper Motor,
release Guide Assembly, Eject Roller Assembly, Manual Guide
Assembly (only for OKIFAX 2350/2450), Stack Cover, Fusing
Unit 153