Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung Printer SCX-4521F SM SCX4521F_ET-EX-SI_1204792194
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DIGITAL LASER MFP
SCX-4521F Series
SCX-4521F/XEG
Basic Model : SCX-4521F
Manual
SERVICE
DIGITAL LASER MFP The keynote of Product
- Machine Life: 50,000Pages
- Cpu: Chorus2
- Device Memory: 16MB
- Resolution: 600*600dpi
- Option: N/A
- Printing Speed: 22ppm/LTR,20ppm/A4
- Print Memory: 10MB
- Print Language: SPL
- Path Type: C-Path
- Cassette Capa.: 150sheets
- Outlet Stacking Capa.: 50sheets
- Toner Cartridge: initial(1K), sales(3K)
- ADF Capacity: 30sheets
- Scan Method: 600 dpi Color CIS
- Copy Speed: SDMC: 22Cpm/Ltr,
MDMC: 7Cpm/Ltr
SCX-4521F Series - Interface: USB1.1, IEEE1284
ELECTRONICS
* This service manual is a property of Samsung Electronics Co., Ltd.
Any unauthorized use of Manual can be punished under applicable
international and/or domestic law.
Samsung Electronics Co.,Ltd. June 2005
* This service manual is also provided on the web, the ITSELF
system Samsung Electronics Co., Ltd. Printed in Korea.
http://itself.sec.samsung.co.kr VERSION NO. : 1.00 CODE : JC-0139C
Contents
1. Precautions
1.1 Safety Warning 1-1
1.2 Safety Caution 1-2
1.3 ESD Precautions 1-4
2. Product Specification
2.1 Product Overview 2-1
2.2 Specifications 2-1
2.3 Model Comparison Table 2-5
3. System Overview
3.1 System Outline 3-1
3.2 H/W Structure and Descriptions 3-7
3.3 S/W Structure and Descriptions 3-19
3.4 Initial Product Installation 3-24
4. Alignment and Adjustments
4.1 Sample Pattern 4-1
4.2 Control Panel 4-2
4.3 Consumables and Replacement Parts 4-4
4.4 LED Status Error Messages 4-4
4.5 Periodic Defective Image 4-5
4.6 How to use DCU 4-6
4.7 Paper Path 4-11
Continued
5. Disassembly and Reassembly
5.1 General Precautions on Disassembly 5-1
5.2 Disassembly and Reassembly 5-2
6. Troubleshooting
6.1 Checking Symptoms 6-1
6.2 Bad discharge 6-4
6.3 Malfunction 6-8
6.4 Bad software environment 6-13
6.5 Bad Image 6-17
7. Exploded Views & Parts List
7.1 Exploded Views and Parts List 7-1
8. Block diagram
8.1 System Block Diagram 8-1
8.2 System Timing Chart 8-2
9. Connection Diagram
9.1 Connection Diagram 9-1
10. Schematic Diagram
10.1 Main Board 10-1
10.2 Connector Circuit Diagram 10-5
10.3 SMPS Circuit Diagram 10-6
10.4 HVPS Circuit Diagram 10-7
Continued
11. Reference Information
11.1 Troubleshooting Tools 11-1
11.2 Acronyms and Abbreviations 11-2
11.3 Selecting printer locations 11-4
11.4 Sample Tests Patterns 11-5
12. Circuit Description
12.1 Engine Controller 12-1
Product Specifications
2
2. Product Specifications
2.1 Product Overview
Basic Model
Target User
Item
Customer Benefits
SCX-4521F(5-in-1 Flatbed MFP)
SCX-4321(3-in-1 Flatbed MFP)
SOHO, Economical(Speed/Price) Customer
- Compact Size
Descriptions Remark
(Sales Points) - 22ppm/A4, 22ppm/Letter fastest speed in its price class
- Favorite Copy
- ID Card Copy
- Toner Save
Key Specification - up to 22ppm/A4(Up to 22ppm/Letter)
- 150 sheets Multi-Purpose type paper input/50 sheets Paper Output
- 3,000pages toner capacity
- 600dpi Print/Copy Resoulusion
- Samsung Print Language
- 16MB System memory
- 30 ADF
- 33.6 Kbps Fax Modem
- 100 Speed Dial
- 72 Hour Battery Back-up
Service Manual
2-1
Samsung Electronics
Product Specifications
2.2 Specifications
Product Specifications are subject to change without notice. See below for product specifications.
2.2.1 General Specifications
Item Descriptions (SCX-4321 / SCX-4521F)
Major Features Copier, Print, Scan, Fax(SCX-4521F)
Net Dimension (WxDxH) 438(W)*374(D)*368(H)(17.2x14.7x14.5")
Net Weight(Inc. Toner Cartridge) 10.4kg
CPU Chorus-2 (66MHz)
LCD 2 Line x 16 characters / 2Line x 8 characters(for china and korea)
Toner Save Yes (With toner save button)
I/O Interface USB1.1 (Compatible with USB 2.0), IEEE 1284 Parallel
Network Interface No
OS Compatibility Windows 98/Me/NT4.0/2000/XP, Various Linux OS (via USB interface only) including
Red Hat 8.0~9.0, Fedora core 1~3, Mandrake 9.0~10.2, and SuSe 8.2~9.2, Mac 10.3
Power Requirement 110 ~ 127 VAC, 50/60 Hz, 4.5A
220 ~ 240 VAC, 50/60 Hz, 2.5A
Power Consumption Sleep Mode : Under 10 W
Standby Mode : 65W
Average : 350 W (Print Mode)
Energy Star Compliant Yes
Power Switch Yes
Noise Warm up 49 dBA
Stand by 35 dBA
Coping 55 dBA
Printing 53dBA
Warm up time from Power On Status Less than 35 seconds
from Sleep Mode Less than 30 seconds
(Recovery time)
Max. Monthly Print 4,200 pages
Volume Scan ADF: 2,500 pages, PLATEN: 1,700 pages
Average Monthly Print Volume 400 pages
Average Monthly SCAN Volume 150 pages
Machine Life ENGINE 5 years or 50,000 Pages. Whichever comes first
SCANNER ADF : 30,000 Pages, Platen : 20,000 Pages
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