Samsung SCX-4321 Series SCX-4321XEV Service Manual and Parts List Manual


Accurate, clear and concise text, combined with detailed illustrations, lists of error code, instruction and diagrams, guide you through procedure of repair, remediate, maintenance and adjustments your copier, printer or scanner.
Present service manual and parts list manual Samsung SCX-4321 Series SCX-4321XEV contain clear instructions and procedures on how to fix the problems occurring in your equipment.
The information contained in this repair manual is necessary for the repair, but also prevention, resulting in a longer life of your equipment.
Format of the manual: PDF, makes it easy to navigate, instant download and print. English language.
To see what contain, please read table of contents:

1. PRECAUTIONS
1.1 Safety Warning
1.2 Safety Caution
1.3 ESD Precautions

2. PRODUCT SPECIFICATION
2.1 Product Overview
2.2 Specifications
2.3 Model Comparison Table

3. SYSTEM OVERVIEW
3.1 System Outline
3.2 H/W Structure and Descriptions
3.3 S/W Structure and Descriptions
3.4 Initial Product Installation

4. ALIGNMENT AND ADJUSTMENTS
4.1 Sample Pattern
4.2 Control Panel
4.3 Consumables and Replacement Parts
4.4 LED Status Error Messages
4.5 Periodic Defective Image
4.6 How to use DCU
4.7 Paper Path

5. DISASSEMBLY AND REASSEMBLY
5.1 General Precautions on Disassembly
5.2 Disassembly and Reassembly

6. TROUBLESHOOTING
6.1 Checking Symptoms
6.2 Bad discharge
6.3 Malfunction
6.4 Bad software environment
6.5 Bad Image

7. EXPLODED VIEWS & PARTS LIST
7.1 Exploded Views and Parts List

8. BLOCK DIAGRAM
8.1 System Block Diagram
8.2 System Timing Chart

9. CONNECTION DIAGRAM
9.1 Connection Diagram

10. SCHEMATIC DIAGRAM
10.1 Main Board
10.2 Connector Circuit Diagram
10.3 SMPS Circuit Diagram
10.4 HVPS Circuit Diagram

11. REFERENCE INFORMATIONS
11.1 Troubleshooting Tools
11.2 Acronyms and Abbreviations
11.3 Selecting printer locations
11.4 Sample Tests Patterns

12. CIRCUIT DESCRIPTIONS
12.1 Engine Controller

Number of pages: 173.