Oki ML520, ML521 manual Failure & Repair Analysis

Table of Contents	Page
....3.2.11 Space Motor and Roller Guide Assemblies	80
....3.2.12 Carriage Cable	81
....3.2.13 Space Rack	82
....3.2.14 Roller/Holder Backup Assembly	83
....3.2.15 Guide Rail and Adjust Cam	84
....3.2.16 Left Ground Plate	85
....3.2.17 Right Ground Plate	86
....3.2.18 Rear and Cut Sheet Paper Feed Sensor Levers	87
....3.2.19 Platen Assembly	88
....3.2.20 Paper Chute Assembly	89
....3.2.21 Line Feed Motor Assembly	90
....3.2.22 Reset Spring	91
....3.2.23 Idle Gear and Change Lever	92
....3.2.24 Pressure Spring	93
....3.2.25 Carriage Shaft	94
....3.2.26 Leaf Spring	95
....3.2.27 Bottom Paper Sensor Levers	96
....3.2.28 Front Pressure Roller Assembly	97
....3.2.29 Tractor Assembly	98
....3.2.30 Main Frame	99
3.3 Printer Adjustments	100
....3.3.02 Printhead Gap Adjustment	101
....3.3.03 Key Combinations	102
....3.3.04 Menu Operation	103
........Menu Settings	104
....3.3.05 Top of Form	105
....3.3.06 Paper Park	106
....3.3.07 Tear Feature	107
....3.3.08 Forms Tear Off	108
....3.3.09 Resets	109
3.4 Cleaning	110
3.5 Lubrication	111
3.6 Shipping Instructions	112
4 Failure & Repair Analysis
....4.1.01 Introduction	113
....4.1.02 Printer Serial Number Identification	114
....4.1.03 Firmware Revision Identification	115
4.2 Reporting Problems - General Information	116
....4.2.02 Problem Lists	117
....4.2.03 Reporting Methods	118
4.3 Troubleshooting Updates	119
4.4 Troubleshooting Tips	120
....4.4.02 Problem Categories	121
....4.4.03 START HERE Flowchart	122