Samsung CLP-775ND Series - System Overview; Front View

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2.Productspecandfeature

2.2.SystemOverview

Thischapterdescribesthefunctionsandoperatingprincipalsoftheprinter.

2.2.1.FrontView

Thisillustrationmaydifferfromyourmachinedependingonitsmodel.

1OutputTray8FrontCoverHandle

2OutputSupport9FrontCover

3PaperLevelIndicator10ControlPanel

4OptionalTray*11Multi-PurposeTrayPaperWidthGuide

5Tray112TonerCartridge

6Multi-PurposeTray13PaperTransferBelt(PTB)

7Multi-PurposeTrayHandle

*:Thisisanoptionfeature.

Main Page

Table of Contents2
Precautions5
Safety Warning5
Caution for Safety6
Toxic Material6
Electric Shock and Fire Safety Precautions6
Handling Precautions7
Assembly and Disassembly Precautions7
Disregarding this Warning May Cause Bodily Injury8
ESD Precautions9
Product Spec and Feature10
Product Specifications10
Product Overview10
Specifications11
General Print Engine11
Controller and Software11
Paper Handling12
Reliability & Service13
Consumables13
Maintenance Part14
Environment15
Packing & Accessory15
Options15
Model Comparison Table16
System Overview17
Front View17
Rear View18
Paper Path19
System Layout20
Feeding Section21
Fuser Unit22
Drive Unit23
LSU (Laser Scanner Unit)24
PTB (Paper Transfer Belt) Unit25
Toner Cartridge26
Hardware Configuration27
Main PBA28
SMPS Board30
HVPS Board32
HVPS Sub Board34
Fuser Drive Board35
OPE Board36
Sensor37
Software Descriptions39
Overview39
Architecture39
Data and Control Flow40
Disassembly and Reassembly41
Precautions When Replacing Parts41
Precautions When Assembling and Disassembling41
Preautions When Handling PBA41
Releasing Plastic Latches42
Screws Used in the Printer43
Replacing a Maintenance Parts46
Fuser Unit46
Pick-Up Roller47
Retard Roller48
Dust Cleaning Kit49
Disassembly Procedure50
Cover50
Front Cover53
OPE Unit54
Main PBA54
HVPS Board55
SMPS Board55
HVPS Sub Board (AC Board)56
Fuser Control Board57
Lsu58
Clutch Pick-Up and Clutch-Feed59
Alignment and Troubleshooting60
Alignment and Adjustments60
Control Panel60
Understanding the Status LED61
JAM Removal62
Clearing Paper Jams62
Useful Menu Item for Service66
Periodic Defective Image67
Useful Management Tools68
Using Samsung Easy Printer Manager (Windows Only)68
Using Samsung Printer Status (Windows Only)69
Using Smart Panel (Macintosh and Linux Only)71
Updating Firmware73
Update the Firmware by Using the USB Port73
Update the Firmware by Using the Network74
Tech Mode76
To Enter the Tech Mode76
Tech Mode Menu Map77
Tech Mode Menu Description78
Troubleshooting83
Procedure of Checking the Symptoms83
Basic Check List84
Error Code and Troubleshooting85
Image Quality Problems119
Other Errors123
System Diagram124
Block Diagram124
Connection Diagram125
Reference Information126
Tool for Troubleshooting126
Acronyms and Abbreviations127
Acronyms127
Service Parts129
The Sample Pattern for the Test132
A4 ISO 19798 Standard Pattern132
Selecting a Location133

Samsung CLP-775ND Series - System Overview; Front View

Table of Contents

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