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Samsung CLP-620ND Service Manual
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Samsung CLP-620ND Service Manual

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■ Printing speed
- CLP-620 series : Black/Color 20 ppm (A4)
- CLP-670 series : Black/Color 24 ppm (A4)
■ Resolution : up to 9600x600 dpi effective output
■ Toner cartridge
- Initial : 2.5K/ 2K (black/ color)
- Sales : 2.5K/2K (black/ color)
5K/4K (black/ color)
■ Machine Life : 200K or 5 years

Service Manual

Color Laser Printer
CLP-620ND
CLP-670N/670ND
■ Paper handling
- Max. 850 sheets paper capacity
- 250 sheets cassette, 500 sheets option cassette
- MP tray : 100 sheets
■ Memory
- CLP-620 series : 256 MB (Max. 512 MB)
- CLP-670 series : 256 MB (Max. 784 MB)
■ Network, USB 2.0
■ 2 Line LCD

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Summary of Contents for Samsung CLP-620ND

  • Page 1: Service Manual

    Service Manual Color Laser Printer CLP-620ND CLP-670N/670ND ■ Printing speed ■ Paper handling - CLP-620 series : Black/Color 20 ppm (A4) - Max. 850 sheets paper capacity - CLP-670 series : Black/Color 24 ppm (A4) - 250 sheets cassette, 500 sheets option cassette ■...
  • Page 2 Contents chapter 1 Precautions 1.1 Safety Warning …………………………………………………… 1-1 1.2 Caution for safety ………………………………………………… 1-2 1.3 ESD Precautions ………………………………………………… 1-5 chapter 2 Product Overview 2.1 Product Summary ………………………………………………… 2-1 2.2 Sepcifications …………………………………………………… 2-2 2.2.1 General Print Engine ………………………………………… 2-2 2.2.2 Controller & S/W …………………………………………… 2-3 2.2.3 Paper Handling ………………………………………………...
  • Page 3 Contents chapter 3 Maintenance and Disassembly 3.1 Precautions when replacing parts ……………………………… 3-1 3.1.1 Precautions when assembling and disassembling ……… 3-1 3.1.2 Preautions when handling PBA …………………………… 3-1 3.1.3 Releasing Plastic Latches ………………………………… 3-1 3.2 Replacing a Maintenance Parts ………………………………… 3-2 3.2.1 Fuser Unit ……………………………………………………...
  • Page 4 Contents 4.2.4 Image Quality Problems and solutions …………………… 4-55 4.2.5 Common Problems and solutions ………………………… 4-62 4.2.6 Network problems and soltutions ………………………… 4-63 chapter 5 System Diagram 5.1 Main PBA (24ppm) Block Diagram …………………………… 5-1 5.2 Main PBA (20ppm) Block Diagram …………………………… 5-2 5.3 OPE PANEL Block Diagram ……………………………………...

  • Page 5: Error Message And Troubleshooting

    21-019 Pulled Out Tray2 Cassette 42 page 28-001 Not installed Transfer belt 43 page 28-002 Not Compatible Transfer belt 44 page 28-004 Replace new Fuser unit 44 page 28-005 Not Installed Fuser unit 44 page 4-23 Service Manual Samsung Electronics...
  • Page 6 Exploded View and Parts List Contents Harness Connection Table ……………………………………………………………………………………………………………………………………………4 Thumbnail ………………………………………………………………………………………………………………………………………………………………6 1. Main …………………………………………………………………………………………………………………………………………………………………7 2. COVER ………………………………………………………………………………………………………………………………………………………………9 3. TOP COVER ……………………………………………………………………………………………………………………………………………………… 11 4. FRONT COVER ………………………………………………………………………………………………………………………………………………… 13 5. FRAME …………………………………………………………………………………………………………………………………………………………… 15 6. DRIVE_FUSER-BRACKET …………………………………………………………………………………………………………………………………… 17 7. FRAME-BOTTOM ……………………………………………………………………………………………………………………………………………… 19 8.