Lexmark 4090-001 manual

Contents

Main Page Contents 1 Page Page Preface Safety Information Page Page Page Page Abbreviations Unique Tools Required For Service 2. Diagnostic Information Start Page POST Symptom Table Symptom Tables 2-5 Paper Feed P roblems Print Quality Problems Power Pro blems Diagnostic Information 2-6 Service Checks Envelope Feed Service Check First Print Line Service Check Maintenance Station Service Check Page 2-9 Paper Path Service Check 2-11 Parallel Port Service Check Power Service Check Diagnostic Information 2-12 Print Quality Service Check 2-13 Diagnostic Information 2-14 Transport Service Check Page Encoder Sensor Test Initialize Error Log Page Parallel Port Test Page Page Page Adjustments Removal Procedures Releasing Plastic Latches Base Assembly Removal Carrier Belt Removal Carrier Frame Assembly Removal Carrier Transport Motor Removal Code Module Removal Edge Guide Asm and Paper Load Shaft Removal Encoder Card Removal Encoder Strip Removal Exit Drive Belt Removal Exit Roller Removal Feed Arm Assembly Removal Page Page Large Feed Roll Removal Large Outside Gear Removal Left Side Frame Assembly Removal B A Maintenance Station Assembly Removal Maintenance Wipers and Caps Removal Manual Insert Tray Removal Mid Frame Assembly Removal Paper Feed Motor Removal Paper Guide and EOF Flag Assembly Removal Page Paper Load Door Removal Pick Roll Hub, Shaft and Envelope Bucklers Removal Power Supply Removal Printhead Cable, Cradle & Paper Deflector Removal Page Printhead Carrier Assembly Removal Printhead Rubber Backer Removal Rear Cover Removal Right Side Frame Assembly Removal Small Feed Roll Shaft, Rollers & Paper Flap Removal Star Roller Removal System Board Removal Page Page 5-3 Encoder Card Connector Page Page Page 7-3 Page Page Page 7-7 Page 7-9 Page Page Page 7-13 Page Page Page 7-17 Page Page X-1 Index A C D E S T