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All in One Printer
M401
Service manual
Sindoh M401 Service Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Service Manual
Specifications
Main Body Components
Paper Specification
Duplex Unit Components
Duplex Unit Specification
Option
Paper Feed Unit
Feeder Components
Feeder Specification
Installation
Installing Conditions
Environments
Unpacking and Checking Components
Option Tray
Image Cartridge
Preventive Maintenance
User Replaceable Items
Other Maintenance Items
Detailed Description
Image Process
Electrification
Exposure
Development
Transfer
Cleaning
Printer Overview
Printer Components
Paper Path
Electrical Components
Drive Chain
Main Driving Gear Units
Main Driving Gear Unit Components
Installing/Removing Image Cartridge
Closing Front Cover
Removing Fusing Unit Paper Jam
Removing Paper on the Back of Fusing Unit
Removing Paper on the Front of Fusing Unit
Laser Unit
Structure and Optical System Path
AIO Cartridge
Drum Cartridge Components
Toner Cartridge Components
Drum Cartridge Drive
Toner Cartridge Drive
Drum Cartridge’s Applied Voltage
Toner Cartridge’s Applied Voltage
Toner Cartridge and Drum Unit Replacement
Drum Unit
Toner Cartridge
Paper Feed
Main Tray Components and Feeding and Isolating Mechanism
Main Body’s Pickup Part Components and Driving Mechanism
Main Paper Feeder Drive
Side Fence/Rear Fence Operation
No Paper Detection
Paper Jam Detection
Paper Size Detection
Mpt(Multipurpose Tray)
MPT Components
MPT Drive
No Paper in MPT Detection
Duplex Unit Drive
Paper Jam Detection
Duplex Unit Paper Path
Registration Unit
Registration Unit Components
Registration Unit Drive
Image Fusing
Fusing Unit Components
Fusing Temperature Control
Overheat Prevention
Delivery Unit
Delivery Unit Components
Delivery Unit Drive
Delivery Forwarding and Reversing (Duplex Unit Drive)
Understanding Control Panel
Flatbed Scanner
Scan Cover ASSY Components
CIS ASSY Components
Drive ASSY Components
Scan Frame ASSY Components
CIS Drive
Optical System
ADF (Auto Document Feeder)
Adf’s Top Cover ASSY Components
Pick up ASSY Components
Tray ASSY Components
Motor ASSY Components
Top Guide ASSY Components
A3 ASSY Components
Front Part Overview
System Card Components and Main Functions
Structure’s Block Diagram
Components and Basic Functions
Pin Array
Main Functions of DC_DC Converter
Main Functions of Scan Image Handling
Systemcard-Atii Cis (Cn4)
Systemcard-Bldc_Motor (Cn41)
Systemcard-Flatbed Motor
Systemcard-Lsu (Cn11)
Systemcard- Polygon Motor
Systemcard-Lsu_2Beam (Cn48)
Systemcard-Hvps & Lvps if
SYSTEMCARD-THEMISTER & Fuser Exit_S
Systemcard-Uicc
Systemcard-Option_Tray
Systemcard-Fax
Systemcard-Main Fan
SYSTEMCARD- Micro Switch
Systemcard- Exit Sol
Systemcard- Mpt Sol
Circuit Diagram
Connector Part
LCM Connection Part
Button Input
LED Drive Section
LED for 4-In-1
Buzzer Controller
LED for 3-In-1
UICC- Character LCM
FAX Components and Main Functions
Main Functions of HSD
LVPS Components and Main Functions
ABBA PSU Block Diagram
Inlet + Ac Sw
Heater
DC Connector
Standard
HVPS Components and Main Functions
Circuit Diagram-LVPS Input Section
Line Filter Part
AC-DC Rectification Part
24V Output
5V Output Part
AC Drive Section
Switching Part
Circuit Diagram-HVPS Input Section
PWM Input Section
RCC Control Drive Section
High Voltage Output
TX-SENSING Part
Replacement and Adjustment
Before Starting
Exterior Cover
Rear Door and Cover
Left Cover
Right Cover
Front Door
Upper Cover
Paper Delivery Cover
Lsu
Laser Safety
LSU Information
LSU Replacement
Installing Laser Unit
Laser Optical Housing Unit Alignment
Main Driving Motor
Main Driving Gear Unit Removal
Drum and Development Unit
Removing Image Cartridge from the Main Body
Separating Drum Unit and Development Unit
Transfer Roller
Fusing Unit Removal
Fusing Lamp
Thermostat
Cooling Fan
Separating Main Feed Roller
Paper Detection Sensor
Manual Paper Tray (MPT)
Mpt’s Bottom Body A’ssy Friction Pad Replacement
MPT Paper Detection Sensor Removal
Pick Roll’s Top Body A’ssy Removal
Option Tray Unit Cover Removal
Option Tray Pickup Roller Removal
Option Tray Feeding Roller Removal
Registration Guide A’ssy
Registration Roller Removal
Paper Delivery Unit
Duplex Unit
Duplex Unit Removal
Front Part
Main Board
Pdu
ADF Exterior Cover
ADF Front Cover
ADF Top Cover
ADF Unit
ADF Pick up Assembly
Reinstalling ADF Pick up Assembly
ADF Isolation Pad
ADF Idle Guide
ADF Pressure Plate
Adf’s Document Tray Assembly
ADF Assembly Removal
ADF Top Guide and Motor Assembly
A3 Clutch Assembly
Scanner Flat Bed Unit
Scanner Flat Bed Assembly Removal
Scanner Unit
Left Scanner Cover
Right Scanner Cover
Control Panel
Scan Cover Assembly
CIS Assembly
Scanner Drive Assembly
Troubleshooting
Error Messages and Error Codes
Service Error Code
Service Error Code(3Xx)
Service Error Code(5Xx)
Service Error Code(2Xx)
Service Error Code(4Xx)
User Interactive Messages and Paper Jam Message
Printer’s Paper Jam and Cartridge Error Messages
Scanner’s Paper Jam Message (2Xx)
Fax Transmission Error Messages
Fax: no Line
Memory Use Messages
USB Device (PC Connection) and Host (USB Memory)
Software
Fatal SW Error
Paper Jam
Service Menu
Diagnosis Menu
Diagnosis Mode
Entering Diagnosis Mode
General Service
Pattern Print
Button Test
Printer Service
Magnification
To Adjust Magnification
Print Skew Page
HARDWARE TEST (Printer Hardware Test)
Sensor Test
Solenoid Test
To Run the Sensor Test
Quality Pages(Print Quality Page
To Run the Solenoid Test
To Print the Print Quality Page
Printer Setup
Scanner Service
FB Left Margin
FAX Service
Fax Test
Detect Ring
Go off Hook
Modulation
Fax SETUP
Fax Setting
Modem Setting
Error Log
Display Log
To View Error Log
Print Log
Clear Log
To Print Error Log
Optional Tray S/W Upgrade (Download)
Pre-Condition Setting (Step 1)
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Quick Links
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Service Manual
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Error Messages and Error Codes
3
Error Log
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2011 - 4 - 1
CE Confidential
CS
SERVICE MANUAL
M400 Series(M400 / M401 / M402 / M403)
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