5
Functional Overview
Chapter Contents
Basic Printer Functions 5-3 Power Supply System 5-4
AC Power Distribution 5-5 Overcurrent/Overvoltage Protection 5-5 High Voltage Power Distribution 5-6 Toner Cartridge Microswitch (SW501 5-6 Print Density Adjustment 5-6 DC Controller System 5-7 DC Power Distribution 5-7 Laser and Scanner Drive 5-8 Paper Motion Monitoring and Control 5-8 Clutches 5-8 Engine Test Microswitch (SW7001 5-8 Motors 5-9 Formatter System 5-10 Power Save 5-11 Resolution Enhancement (REt 5-11 EconoMode 5-12 Input/Output 5-13 Parallel Interface 5-13 Modular I/O (MIO 5-13 LocalTalk I/O 5-13 CPU 5-13 Printer Memory 5-14 Read Only Memory (ROM 5-14 Random Access Memory (RAM 5-14 SIMM Slots 5-14 Non-Volatile Memory (NVRAM 5-14 Disk Accessory 5-14 Memory Enhancement technology (MEt 5-15 Page Protect 5-15 PJL Overview 5-15 PML 5-15
Functional Overview 5-1