Oki OKIPAGE 6e, Руководство по обслуживанию, Страница: 4 / 262

Table of Contents TOC - 1 OKIPAGE 6e/6ex
Service Manual, P/N 59276401
Contents
1. CONFIGURATION ........................................................................................................... 1 - 1
1.1
System Configuration .............................................................................................. 1 - 1
1.2 Printer Configuration ............................................................................................... 1 - 2
1.3 Optional Configuration ............................................................................................ 1 - 3
1.4 Specification ............................................................................................................ 1 - 5
1.5 Safety Standards ...................................................................................................... 1 - 7
1.5.1
Certification Label ....................................................................................... 1 - 7
1.5.2 Warning Label ............................................................................................. 1 - 8
1.5.3 Warning/Caution Marking ........................................................................... 1 - 9
2. OPERATION DESCRIPTION ........................................................................................ 2 - 1
OVERVIEW ........................................................................................................................ 2 - 1
OKIPAGE 6e Block Diagram (Figure 2-1) ........................................................................ 2 - 2
OKIPAGE 6ex Block Diagram (Figure 2-2) ....................................................................... 2 - 3
2.1
Control Board .......................................................................................................... 2 - 4
Single Chip CPU ......................................................................................... 2 - 4
Program and Font ROM .............................................................................. 2 - 4
DRAM ..................................................................................................................... 2 - 5
EEPROM ................................................................................................................. 2 - 5
Parallel Interface ...................................................................................................... 2 - 5
2.2 PS Board (Option) ................................................................................................... 2 - 6
2.3 RAM Board (OKIPAGE 6e/6ex option) .................................................................. 2 - 7
DRAM ......................................................................................................... 2 - 7
SIMM Socket ............................................................................................... 2 - 7
RAM Board Block Diagram (Figure 2-4) ............................................................... 2 - 7
2.4 Power Supply Board ................................................................................................ 2 - 8
Low Voltage Power Supply Circuit ............................................................. 2 - 8
High Voltage Power Supply Circuit ............................................................ 2 - 8
Photosensor .................................................................................................. 2 - 8
Sensor Layout Diagram (Figure 2-3)....................................................................... 2 - 9
Sensor Functions and StatusTable (Figure 2-5) ....................................................... 2 - 9
2.5 Electrophotographic Process ................................................................................. 2 - 10
2.5.1
Electrophotographic Process Mechanism .................................................. 2 - 10
Electrophotographic Process Mechanism (Figure 2-6) ............................. 2 - 11
Image Drum Unit ....................................................................................... 2 - 12
Registration Motor .................................................................................... 2 - 12
Drum Motor ............................................................................................... 2 - 12
LED Head .................................................................................................. 2 - 12
Fuser .......................................................................................................... 2 - 12