Samsung CLP-300 XSG

Samsung Electronics

Service Manual

Troubleshooting

7-16

7.8.3 Light Image

7.8.4 Dark Image or black

Contents

Main Manual SERVICE CLP-300 Color Laser Printer CLP-300 Series ELECTRONICS Contents Continued 5. Disassembly and Reassembly 6. Alignment and Ad j u st m e n t s 7. Troubleshooting Continued 8. Exploded Views & Parts List 9. Block diagram 10. Connection Diagram 11. Schematic Diagram Page 1. Precautions 1.1 Safety Warning 1.2 Caution for safety 1.2.1 Toxic material 1.2.2 Electric Shock and Fire Safety Precautions 1.2.3 Handling Precautions 1.2.4 Assembly / Disassembly Precautions 1.2.5 Disregarding this warning may cause bodily injury 1.3 ESD Precautions 1.4 Super Capacitor or Lithium Battery Precautions Product Specifications 2-1 2. Product Specifications 2.1 Product Overview Page Page Page 2.2.4 Consumables 2.2.5 Environment 2.2.6 Options 2.2.7 Accessory Page Page Page 3.1.2 EP Process Page Page Page 3.2 Main PBA Description 3.2.1 Main Controller PBA RJ45 USB 3.2.2 Main PBA RJ45 USB Connector 3.2.3 Main PBA Description Page Page Page Page 3.2.4 SMPS(Switching Mode Power Supply) PBA Page Page 3.3 CRUM In the case of Refill Toner Install Process after CRU life expiration Page 3.4 General Description 3.4.5 Interfaces 3.4.6 Control Panel 3.4.7 Periodic Replacing Parts Page 4. S/W Structure and Descriptions 4.1 Architecture 4.2 Language Monitor 4.3 Status Monitor 4.4 Network Interface 4.5 Printer Driver <-> Status Monitor 4.6 System F/W Flow 4.7 Alarm Shortage 4.8 Error status 4.9 CRUM Overview CRUM stores the following information 4.10 FW Upgrade Page Page 5. Disassembly and Reassembly 5.1 Precautions when replacing parts 5.1.1 Precautions when assembling and disassembling 5.1.2 Preautions when handling PBA >> Precautions when replacing PBA >> Precautions when checking PBA 5.2 Parts for Maintenance and Repair 5.2.1 Replacement interval for parts with a limited life 5.2.2 Printer Cleaning 1) Disassembly of the LSU unit 2) Disassembly of the ITB unit 3) Care of the Toner cartridge 4) Disassembly of DEVE drive ass'y and the main drive ass'y 5.3 Information Related to Disassembly and Assembly. 5.3.1 Special service parts 7) When you replace ITB Unit, be careful with following things; Page Page Page Page 5.4 Disassembly Procedure 5.4.1 Cover Unit Page 5.4.3 LSU(Laser Scan Unit) 5.4.4 HVPS(High Voltage Power Supply) Page Page 6. Alignment and Adjustments 6.1. Control Panel 6.1.1 Overview 6.1.2 Architecture 6.1.3 Data and Control Flow 6.2 Function 6.2.1 KEY Function 6.2.2 LED Function Page Page 6.3 Jam Removal 6.3.1 Clearing Paper Jams Page 6.3.2 Tips for A voiding Paper Jams 6.4 Sample Pattern 6.4.1 Printing a Demo Page 6.4.2 Printing a Configuration Page Page Page 6.5 Periodic Defective Image 6.6 How to use EDC (Engine Diagnostic Control) Mode 6.6.1 Enterence 6.6.3 EDC Map 6.6.2 Keys 6.6.3.1 Motor Test 6.6.3.2 Solenoid Test 6.6.3.3 LSU/ Fuser Test 6.6.3.4 HVPS Test 6.6.3.5 Maintenance 6.6.3.6 Error list and recovery Page 6.7 Error Message 7. Troubleshooting 7.1 Procedure of Checking the Symptoms 7.2 Troubleshooting Checklist 7.3 Solving General Printing Problems Page Page Page Page Page Page Loose toner Character V oids Horizontal stripes Curl 7.5 Common Windows Problems 7.6 Common Macintosh Problems 7.7 Common Linux Problems Page Page Page Page Page Page Page Page 8 8. Exploded Views and Parts List 8 Contents 8-2 8.1 Main 8.2 Top Cover 8.3 Rear Cover Page 8.5 Main Driver(1) Main Driver(2) 8.6 Main Frame(1) 8-8 Main Frame(2) Exploded V iews & Parts List 8-9 8.7 LSU Cover 8.8 Fuser Unit 8.9 ELA-UNIT OPC DEV 8.10 ITB Unit 8.11 Casstte Unit 8-14 Service Parts List (Model code : CLP-300/XSG) Page Page Page Page Page Page Page Page Page Page Page Page Page Block Diagram 9. Block Diagram MA IN SMPS CCD SCAN 10. Connection Diagram CHCHORUS Y M C K 11. Schematic Diagrams 11.1 Main Board(1/15) Main Board(2/15) 11-2 R&D 5 CHORUSm(1) CLP-300(N)/CLX-3160N(FN) Main Board(3/15) U10-2 R&D 5 Main_V0.11 CLP-300(N)/CLX-3160N(FN) Main Board(4/15) [ SYSTEM RESET ] R&D 5 CLP-300(N)/CLX-3160N(FN) Clock & Power On Reset Main Board(5/15) Flash Memory CLP-300(N)/CLX-3160N(FN) [ NAND SETTING ] Main_V0.11 Main Board(6/15) SDRAM CLP-300(N)/CLX-3160N(FN) Main_V0.11 (1105-001384) (1105-001384)CLX-3160FN Main Board(7/15) U18 isp1582bs Main_V0.11 USB Host & Device Controller Main Board(8/15) Main_V0.11 CLP-300(N)/CLX-3160N(FN) Ethernet Physical Layer Digtal Printing Division R&D 5 Main Board(9/15) NOT USED Digtal Printing Division NOT USED R&D 5 Main Board(10/15) A0 10/15 Main_V0.11 Not Used Main Board(11/15) SmartDAA Interface CLX-3160FN Only 11/15 11-12 Main Board(12/15) 12/15 LSU LSU 11-13 Main Board(13/15) DEVE_HOME,SCF,FUSER THER CLP-300(N)/CLX-3160N(FN) SCF Main_V0.11 Main Board(14/15) BLDC, CLUTCH, DEVE & ITB JOINT Main_V0.11 R&D 5 CLP-300(N)/CLX-3160N(FN) Main Board(15/15) HVPS, SMPS, COVER_OPEN HVPS SMPS +5V_COVER SWITCH +24V_COVER SWITCH Page 11.3 DEVE INF 11-17 WASTE LEVEL 15K TONER_CRUM_CONTACT_Y Page 11.5 SMPS-110V 11-19 T1 C C 35V47uF 11.6 SMPS-220V 11-20 T1 C C 35V47uF Page Page Page Page Page 12. Reference Information 12.1 Tools for Troubleshooting 12.2 Acronyms and Abbreviations Page 12.3 Select a location for the printer