Samsung CLP-620ND User manual

Service Manual

Color Laser Printer

CLP-620ND

CLP-670N/670ND

■ 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

■ 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

The keynote of Product

1.1 Safety Warning …………………………………………………… 1-1

1.2 Caution for safety ………………………………………………… 1-2

1.3 ESD Precautions ………………………………………………… 1-5

2.1 Product Summary ………………………………………………… 2-1

2.2 Sepcications …………………………………………………… 2-2

2.2.1 General Print Engine ………………………………………… 2-2

2.2.2 Controller & S/W …………………………………………… 2-3

2.2.3 Paper Handling ……………………………………………… 2-5

2.2.4 Reliability and service ……………………………………… 2-7

2.2.5 Environment ………………………………………………… 2-8

2.2.6 Consumables ………………………………………………… 2-9

2.2.7 Maintenance parts ………………………………………… 2-10

2.2.8 Option ………………………………………………………… 2-10

2.3 Model Comparison Table ………………………………………… 2-11

2.4 Product Conguration …………………………………………… 2-12

2.4.1 Printer external ……………………………………………… 2-12

2.4.2 Main PBA …………………………………………………… 2-16

2.4.3 SMPS Board ………………………………………………… 2-22

2.4.4 HVPS Board ………………………………………………… 2-24

2.4.5 Fuser Drive Board ………………………………………… 2-26

2.4.6 OPE Board ………………………………………………… 2-27

2.4.7 Feeding Section …………………………………………… 2-28

2.4.8 LSU …………………………………………………………… 2-29

2.4.9 Fuser Unit …………………………………………………… 2-30

2.4.10 PTB(Paper Transfer Belt) Unit …………………………… 2-31

2.4.11 Motors ……………………………………………………… 2-31

2.4.12 Sensors …………………………………………………… 2-32

chapter 1 Precautions

chapter 2 Product Overview

Contents

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 …………………………………………………… 3-2

3.2.2 Pick up roller ………………………………………………… 3-3

3.3 General Disassembly …………………………………………… 3-4

3.3.1 Cover Unit …………………………………………………… 3-4

3.3.2 Front Cover Unit …………………………………………… 3-8

3.3.3 OPE Unit……………………………………………………… 3-9

3.3.4 HVPS Board ………………………………………………… 3-10

3.3.5 Main PBA …………………………………………………… 3-11

3.3.6 SMPS Board ………………………………………………… 3-11

3.3.7 Fuser Control Board ………………………………………… 3-12

3.3.8 LSU …………………………………………………………… 3-12

3.3.9 SOLENOID ………………………………………………… 3-13

3.3.10 Drive-Exit Bracket ………………………………………… 3-14

3.3.11 Drive-Fuser Bracket ……………………………………… 3-15

4.1 Alignment and Adjustments ……………………………………… 4-1

4.1.1 Control Panel ………………………………………………… 4-1

4.1.2 Understanding The Status LED …………………………… 4-2

4.1.3 Menu Overview ……………………………………………… 4-3

4.1.4 Tech Mode …………………………………………………… 4-7

4.1.5 Firmware Upgrade ………………………………………… 4-16

4.2 Troubleshooting…………………………………………………… 4-22

4.2.1 Procedure of Checking the Symptoms …………………… 4-22

4.2.2 Error Message and Troubleshooting ……………………… 4-23

4.2.3 Feeding Problems and solutions ………………………… 4-48

chapter 4 Alignment & Troubleshooting

Contents

chapter 3 Maintenance and Disassembly

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

5.1 Main PBA (24ppm) Block Diagram …………………………… 5-1

5.2 Main PBA (20ppm) Block Diagram …………………………… 5-2

5.3 OPE PANEL Block Diagram …………………………………… 5-3

5.4 Connection Diagram……………………………………………… 5-4

6.1 Tools for Troubleshooting ……………………………………… 6-1

6.2 Acronyms and Abbreviations …………………………………… 6-2

6.3 Select a location for the printer ………………………………… 6-4

6.4 A4 ISO 19752 Standard Pattern ………………………………… 6-5

Contents

chapter 6 Reference Information

chapter 5 System Diagram

attached Parts Catalog

Alignment & Troubleshooting

Service Manual

4-23 Samsung Electronics

4.2.2 Error Message and Troubleshooting

Messages appear on the Smart Panel program window or on the control panel to indicate machine status or

errors. Refer to the tables below to correct the problem.

Error Code Error Message Troubleshooting Page

01-000 Door Open/Check Transfer Belt 21 page

01-004 Paper Jam in MP Tray 22 page

01-005 Paper Jam in Tray1 23 page

01-006, 01-018 Paper Jam in tray2 24 page

01-009 Paper Jam inside machine 25 page

01-010 Paper Jam in exit area 26 page

01-014 Paper Jam bottom of duplex 27 page

01-017 Output bin Full Remove paper 28 page

02-000 Error #02-000. Turn off then on 29 page

02-001, 02-006 Error #02-001/02-006. Turn off then on 30 page

02-002 Error #02-002. Turn off then on 31 page

02-005 Error #02-005. Turn off then on 31 page

03-007 Error #03-007. Turn off then on 32 page

03-008 Error #03-008. Turn off then on 32 page

03-009 Error #03-009. Turn off then on 32 page

03-015 Error #03-015. Turn off then on 33 page

04-001 Error #04-001. Turn off then on 34 page

04-002 Error #04-002. Turn off then on 34 page

06/25/26/27-006 Error #06/25/26/27-006 [XXX] toner ※[XXX] : color 35 page

06/25/26/27-007 Error #06/25/26/27-007 [XXX] toner ※[XXX] : color 35 page

06/25/26/27-020 Error #06/25/26/27-020 [XXX] toner ※[XXX] : color 35 page

12-000 Load [Letter] in Tray1 36 page

12-001 Load [Letter] in Tray2 36 page

12-004 Load [Letter] in MP 37 page

21-002 Paper Empty in Tray1 38 page

21-003 Pulled Out Tray1 Cassette 39 page

21-010 Paper Empty in MP Tray 40 page

21-018 Paper Empty in Tray2 41 page

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

Parts Catalog -CLP-620ND

amsung Electronics Service Manual

Parts Catalog -CLP-620ND

msung Electronics Service Manual

Exploded View and Parts List

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. FRAME-LEFT …………………………………………………………………………………………………………………………………………………… 21

9. FRAME-RIGHT ………………………………………………………………………………………………………………………………………………… 23

10. FEED DRIVE …………………………………………………………………………………………………………………………………………………… 25

11. FUSER …………………………………………………………………………………………………………………………………………………………… 27

12. Cassette ………………………………………………………………………………………………………………………………………………………… 30

13. SCF Unit ………………………………………………………………………………………………………………………………………………………… 32

14. SCF Cassette …………………………………………………………………………………………………………………………………………………… 34

Contents

Table of contents

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