Description

SERVICE MANUAL TABLE OF CONTENTS

1-1 Specifications
1-1-1 Specifications
1-1-2 Parts names
1-1-3 Machine cross section

1-2 Installation
1-2-1 Installation environment
1-2-2 Unpacking and installation
1-2-3 Setting initial copy modes
1-2-4 Installing the drawer heater (option)
1-2-5 Installing the key counter (option)

1-3 Maintenance Mode
1-3-1 Maintenance mode
1-3-2 Copier management

1-4 Troubleshooting
1-4-1 Paper misfeed detection
1-4-2 Self-diagnosis
1-4-3 Image formation problems
1-4-4 Electric problems
1-4-5 Mechanical problems

1-5 Assembly and Disassembly
1-5-1 Precautions for assembly and disassembly
1-5-2 Paper feed section
1-5-3 Optical section
1-5-4 Drum section
1-5-5 Developing section
1-5-6 Transfer section
1-5-7 Fuser section

1-6 Requirements on PWB Replacement
1-6-1 Upgrading the firmware
1-6-2 Adjustment-free variable resistors (VR)
1-6-3 Remarks on PWBs replacement
1-6-4 Upgrading print system firmware

2-1 Mechanical construction
2-1-1 Paper feed section
2-1-2 Optical section
2-1-3 Drum section
2-1-4 Developing section
2-1-5 Transfer and separation sections
2-1-6 Fuser section
2-1-7 Exit and switchback sections
2-1-8 Duplex section

2HA/2HB
2-2 Electrical Parts Layout
2-2-1 Electrical parts layout

2-3 Operation of the PWBs
2-3-1 Power source PWB
2-3-2 Main PWB
2-3-3 Engine PWB
2-3-4 Operation unit PWB
2-3-5 CCD PWB

2-4 Appendixes
Timing chart No.1
Timing chart No.2
Timing chart No.3
Timing chart No.4
Maintenance parts list
Periodic maintenance procedures
Chart of image adjustment procedures
General wiring diagram

INSTALLATION GUIDE
300-SHEET CASSETTE
DOCUMENT PROCESSOR
DUPLEX UNIT
Printing System (X)

PARTS MANUAL TABLE OF CONTENTS

FIG. 1 Covers
FIG. 2 Frames
FIG. 3 Cassette
FIG. 4 Conveying
FIG. 5 Paper Feed-in
FIG. 6 Bypass
FIG. 7 Exit
FIG. 8 Scanner
FIG. 9 Imaging Unit
FIG. 10 Fuser Unit
FIG. 11 Driving & Cooling
FIG. 12 Electrical Components
FIG. 13 Operation Unit
FIG. 14 Original Holder
FIG. 15 Option I (DU-410)
FIG. 16 Option II
FIG. 17 Tools & Accessories
INDEX