Removing the Transfer Roller 4-16 Replacing the Transfer Roller 4-16
5 Functional Overview
Introduction 5-1 DC Controller System 5-2 DC Controller Loads 5-3 Serial Data Communication 5-4 Solenoids 5-5 Photosensors 5-6 Microswitches 5-8 PC (Tray 2) and LC (Tray 3) Tray Size Sensing System 5-9 Motors 5-10 Paper Jam Detection 5-11
Formatter System 5-12 I/O Control 5-12 Memory Management 5-14 Data Processing 5-14 PJL Overview 5-15
Image Formation System 5-16 Photosensitive Drum 5-17 Drum Sensitivity 5-17 Cleaning Stage 5-18 Conditioning Stage 5-19 Writing Stage 5-20 Developing Stage 5-22 Transferring Stage 5-24 Fusing Stage 5-25
Paper Feed System 5-26 Printing from the MP Tray (Tray 1 5-29 Printing from the PC Tray (Tray 2 5-30
Power System 5-31 Basic Sequence of Operation 5-33
Standard Printer Operation 5-33 Timing Diagrams 5-34 Warmup Period 5-37 Standby Period 5-37 PowerSave 5-37 Initial Rotation Period 5-38 Print Period 5-40 Last Rotation Period 5-42
Contents-4