Samsung ProXpress M3370FD, M3375FD, M3870FD, M3870FW, M3875FD, M3875FW, M4070FW, M4070FX, M4072FD, M4075FW, M4075FX, Service Manual

This Service Manual is for the following models:

• Samsung ProXpress M3370FD
• Samsung ProXpress M3375FD
• Samsung ProXpress M3870FD
• Samsung ProXpress M3870FW
• Samsung ProXpress M3875FD
• Samsung ProXpress M3875FW
• Samsung ProXpress M4070FW
• Samsung ProXpress M4070FX
• Samsung ProXpress M4072FD
• Samsung ProXpress M4075FW
• Samsung ProXpress M4075FX

This manual provides detailed diagrams, pictures, and procedures to diagnose and repair your copier. You can print, zoom, or read any diagram, picture, or page from this Service Manual. Each chapter in this manual contains simulation codes, trouble codes, maintenance procedures, and reset procedures for the photocopier. You'll find everything you need easily.

To see the contents, please refer to the table of contents below:

• PRECAUTIONS
• Safety warning
• Caution for safety
• Toxic material
• Electric shock and fire safety precautions
• Handling precautions
• Assembly and Disassembly precautions
• Disregarding this warning may cause bodily injury
• ESD precautions
• PRODUCT SPECIFICATIONS
• Specifications
• Product Overview
• Specifications
• General
• Print
• Copier
• Scanner
• Fax
• Controller and Software
• Paper Handling
• Consumables
• Maintenance Part
• Product Description
• Front View
• Rear View
• Paper Path
• System layout
• Feeding Part
• Image Creation
• Fuser unit
• LSU (Laser Scanning Unit)
• Drive Unit
• Hardware configuration
• Main Controller (M337x_M387x_M407xFR_M4072FD)
• Main Controller (M407xFX)
• OPE Controller
• SO-DIMM PBA
• WLAN(M387xFW model only)
• ADF and RADF SUB PBA
• SCF PBA - Optional
• CRUM PBA
• Fax Board
• SMPS Board
• HVPS board
• Engine Firmware Control Algorithm
• Feeding
• Transfer
• Fusing
• LSU
• Software Descriptions
• Software system overview
• Architecture
• Data and Control Flow
• DISASSEMBLY AND REASSEMBLY
• Precautions when replacing parts
• Precautions when assembling and disassembling
• Precautions when handling PBA
• Releasing Plastic Latches
• Screws used in the printer
• Replacing the Main SVC parts
• Left and Right Cover
• Front Cover
• ADF or RADF Unit
• OPE Unit
• Platen Unit
• Top-Middle Cover
• Fax Board
• Middle and Inner Cover
• Main Board
• HVPS board
• SMPS Board
• Laser Scanning Unit (LSU)
• Fuser Unit
• Main Drive Unit
• Feed Drive Unit
• Pick Up_Regi_MP Clutch
• Pick-Up Roller
• Transfer Roller
• MP Unit
• Bin-full sensor
• Regi_Feed_Empty Sensor
• Reverse Roller
• SCF(Second Cassette Feeder) Unit
• SCF Right Cover
• SCF Main Board
• SCF Main Motor
• SCF Clutch
• SCF pick up_forward roller
• SCF Reverse Roller
• SCF Main Drive Unit
• SCF Lift Assy
• SCF Pick-Up Unit
• SCF Pick-Up_Empty_Feed Sensor
• ALIGNMENT AND TROUBLESHOOTING
• Alignment and Adjustments
• Control Panel
• Understanding The Status LED
• Clearing Jams
• Clearing original document jams
• Clearing paper jams
• Useful menu item for service
• Periodic Defective Image
• Useful management tools
• Using Samsung Easy Printer Manager
• Using Samsung Printer Status (Windows only)
• Using SyncThru Web Service (SWS)
• Updating Firmware
• Update the firmware by using the USB port
• Update the firmware by using the network
• Tech Mode
• Entering the Tech Mode
• Tech Mode Menu
• Tech Mode Menu description
• Troubleshooting
• Procedure of checking the symptoms
• Basic Check List
• Error Code and Troubleshooting
• Image quality problem
• Other errors
• SYSTEM DIAGRAM
• Block Diagram (M337xFD_M387xFD_M387xFW_M407xFR_M4072FD)
• Block Diagram (M407xFX)
• Connection Diagram (M337xFD_M387xFD_M387xFW_M407xFR_M4072FD)
• Connection Diagram (M407xFX)
• REFERENCE INFORMATION
• Tool for Troubleshooting
• Glossary
• The Sample Pattern for the Test
• Model Name and Code
• Revision History

Number of pages: 174