CONTENTS
Contents
CHAPTER 1 MAINTENANCE AND INSPECTION
1. Periodical Servicing Chart .............. 1-1
1.1 Reader Unit................................ 1-1
1.2 Printer Unit ................................ 1-1
1.3 Cleaning the photosensitive
drum ........................................... 1-4
2. Periodically Replaced Parts .............. 1-5
2.1 Guide to Timing of
Replacement ............................... 1-5
2.2 Reader Unit ................................ 1-5
2.3 Printer Unit ................................ 1-6
3. Consumables and Durables .............. 1-7
3.1 Guide to Timing of
Replacement ............................... 1-7
3.2 Reader Unit ................................ 1-7
3.3 Printer Unit ................................ 1-8
3.4 Side Paper Deck ......................... 1-9
4. Points to Note for Periodical
Servicing ........................................ 1-10
5. Image Adjustment Basic
Procedure ....................................... 1-11
5.1 Making Pre-Checks ................. 1-11
5.2 Making Checks on the Printer
Unit (1/2) ................................. 1-12
5.3 Making Checks on the Printer
Unit (2/2) ................................. 1-13
5.4 Making Checks on the
Reader Unit .............................. 1-14
CHAPTER 2 STANDARDS AND ADJUSTMENTS
1. Image Adjustments ........................... 2-1
1.1 Standards of Image Position ...... 2-1
1.2 Checking the Image Position ..... 2-2
1.3 Adjusting the Left/Right
Image Margin ............................. 2-2
1.3.1 Cassette 3/4 .......................... 2-2
1.3.2 Left/Right Front Deck .......... 2-3
1.3.3 Manual Feed Tray ................ 2-3
1.3.4 Duplex Feeding Unit ............ 2-4
1.3.5 Side Paper Deck ................... 2-4
1.4 Adjusting the Image Leading
Edge Margin ............................... 2-5
1.5 Adjusting the Left/Right
Non-Image Width ...................... 2-5
1.6 Adjusting the Leading Edge
Non-Image Width ....................... 2-6
2. Scanning System .............................. 2-7
2.1 Replacing the Scanner Drive
Cable .......................................... 2-7
2.1.1 Removing the Scanner System
Drive Cable .......................... 2-7
2.1.2 Routing the Scanner
Drive Cable .......................... 2-9
2.2 Adjusting the Position of the
Scanner Mirror Base ................ 2-10
2.3 After Replacing the Scanning
Lamp ........................................ 2-12
3. Image Formation System ................ 2-13
3.1 Routing the Grid Wire of the
Primary Charging Assembly .... 2-13
3.2 Routing the Charging Wire of
Charging Assemblies ............... 2-15
3.2.1 Routing the Charging
Wire ................................... 2-15
3.2.2 Adjusting the Heiqht of the
Charging Wire.................... 2-18
3.3 Mounting the Drum Cleaning
Blade ........................................ 2-19
3.3.1 Removing the Cleaning
Blade .................................. 2-19
3.3.2 Mounting the Cleaning
Blade .................................. 2-20