Sindoh M401 - ADF Idle Guide

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ADF Idle Guide

1. Remove ADF’s top cover.

2. Lift ADF assembly up.

3. Push it to arrow direction to remove ADF idle guide.

Main Page

Service Manual1
Specifications7
Main Body Components7
Paper Specification8
Duplex Unit Components9
Duplex Unit Specification9
Option10
Paper Feed Unit10
Feeder Components10
Feeder Specification10
Installation11
Installing Conditions11
Environments11
Unpacking and Checking Components11
Option Tray12
Image Cartridge14
Preventive Maintenance16
User Replaceable Items16
Other Maintenance Items16
Detailed Description17
Image Process17
Electrification17
Exposure18
Development18
Transfer19
Cleaning19
Printer Overview20
Printer Components20
Paper Path22
Electrical Components23
Drive Chain25
Main Driving Gear Units26
Main Driving Gear Unit Components26
Installing/Removing Image Cartridge26
Closing Front Cover27
Removing Fusing Unit Paper Jam28
Removing Paper on the Back of Fusing Unit28
Removing Paper on the Front of Fusing Unit28
Laser Unit29
Structure and Optical System Path29
AIO Cartridge31
Drum Cartridge Components32
Toner Cartridge Components32
Drum Cartridge Drive33
Toner Cartridge Drive33
Drum Cartridge’s Applied Voltage34
Toner Cartridge’s Applied Voltage35
Toner Cartridge and Drum Unit Replacement35
Drum Unit35
Toner Cartridge35
Paper Feed36
Main Tray Components and Feeding and Isolating Mechanism36
Main Body’s Pickup Part Components and Driving Mechanism37
Main Paper Feeder Drive39
Side Fence/Rear Fence Operation40
No Paper Detection41
Paper Jam Detection41
Paper Size Detection42
Mpt(Multipurpose Tray)42
MPT Components42
MPT Drive43
No Paper in MPT Detection44
Duplex Unit Drive46
Paper Jam Detection46
Duplex Unit Paper Path47
Registration Unit48
Registration Unit Components48
Registration Unit Drive48
Image Fusing49
Fusing Unit Components49
Fusing Temperature Control50
Overheat Prevention50
Delivery Unit51
Delivery Unit Components51
Delivery Unit Drive52
Delivery Forwarding and Reversing (Duplex Unit Drive)53
Understanding Control Panel54
Flatbed Scanner55
Scan Cover ASSY Components56
CIS ASSY Components56
Drive ASSY Components57
Scan Frame ASSY Components58
CIS Drive58
Optical System59
ADF (Auto Document Feeder)60
Adf’s Top Cover ASSY Components61
Pick up ASSY Components62
Tray ASSY Components62
Motor ASSY Components63
Top Guide ASSY Components64
A3 ASSY Components65
Front Part Overview66
System Card Components and Main Functions66
Structure’s Block Diagram66
Components and Basic Functions66
Pin Array67
Main Functions of DC_DC Converter67
Main Functions of Scan Image Handling67
Systemcard-Atii Cis (Cn4)68
Systemcard-Bldc_Motor (Cn41)68
Systemcard-Flatbed Motor69
Systemcard-Lsu (Cn11)69
Systemcard- Polygon Motor69
Systemcard-Lsu_2Beam (Cn48)69
Systemcard-Hvps & Lvps if70
SYSTEMCARD-THEMISTER & Fuser Exit_S70
Systemcard-Uicc71
Systemcard-Option_Tray71
Systemcard-Fax71
Systemcard-Main Fan72
SYSTEMCARD- Micro Switch72
Systemcard- Exit Sol72
Systemcard- Mpt Sol72
Circuit Diagram75
Connector Part75
LCM Connection Part75
Button Input76
LED Drive Section76
LED for 4-In-176
Buzzer Controller77
LED for 3-In-177
UICC- Character LCM78
FAX Components and Main Functions79
Main Functions of HSD79
LVPS Components and Main Functions81
ABBA PSU Block Diagram81
Inlet + Ac Sw82
Heater82
DC Connector83
Standard83
HVPS Components and Main Functions85
Circuit Diagram-LVPS Input Section87
Line Filter Part87
AC-DC Rectification Part87
24V Output87
5V Output Part88
AC Drive Section88
Switching Part89
Circuit Diagram-HVPS Input Section90
PWM Input Section90
RCC Control Drive Section90
High Voltage Output91
TX-SENSING Part92
Replacement and Adjustment93
Before Starting93
Exterior Cover93
Rear Door and Cover93
Left Cover94
Right Cover95
Front Door96
Upper Cover97
Paper Delivery Cover98
Lsu98
Laser Safety98
LSU Information98
LSU Replacement99
Installing Laser Unit101
Laser Optical Housing Unit Alignment102
Main Driving Motor104
Main Driving Gear Unit Removal104
Drum and Development Unit107
Removing Image Cartridge from the Main Body107
Separating Drum Unit and Development Unit108
Transfer Roller109
Fusing Unit Removal110
Fusing Lamp112
Thermostat112
Cooling Fan113
Separating Main Feed Roller114
Paper Detection Sensor117
Manual Paper Tray (MPT)117
Mpt’s Bottom Body A’ssy Friction Pad Replacement118
MPT Paper Detection Sensor Removal119
Pick Roll’s Top Body A’ssy Removal119
Option Tray Unit Cover Removal121
Option Tray Pickup Roller Removal123
Option Tray Feeding Roller Removal124
Registration Guide A’ssy128
Registration Roller Removal129
Paper Delivery Unit130
Duplex Unit131
Duplex Unit Removal131
Front Part135
Main Board135
Pdu135
ADF Exterior Cover137
ADF Front Cover137
ADF Top Cover138
ADF Unit139
ADF Pick up Assembly139
Reinstalling ADF Pick up Assembly140
ADF Isolation Pad140
ADF Idle Guide141
ADF Pressure Plate142
Adf’s Document Tray Assembly142
ADF Assembly Removal143
ADF Top Guide and Motor Assembly145
A3 Clutch Assembly147
Scanner Flat Bed Unit148
Scanner Flat Bed Assembly Removal148
Scanner Unit149
Left Scanner Cover149
Right Scanner Cover150
Control Panel152
Scan Cover Assembly152
CIS Assembly153
Scanner Drive Assembly154
Troubleshooting156
Error Messages and Error Codes156
Service Error Code156
Service Error Code(3Xx)156
Service Error Code(5Xx)157
Service Error Code(2Xx)158
Service Error Code(4Xx)158
User Interactive Messages and Paper Jam Message159
Printer’s Paper Jam and Cartridge Error Messages159
Scanner’s Paper Jam Message (2Xx)162
Fax Transmission Error Messages162
Fax: no Line162
Memory Use Messages162
USB Device (PC Connection) and Host (USB Memory)163
Software163
Fatal SW Error163
Paper Jam163
Service Menu166
Diagnosis Menu166
Diagnosis Mode166
Entering Diagnosis Mode166
General Service168
Pattern Print168
Button Test168
Printer Service168
Magnification169
To Adjust Magnification169
Print Skew Page169
HARDWARE TEST (Printer Hardware Test)170
Sensor Test170
Solenoid Test170
To Run the Sensor Test170
Quality Pages(Print Quality Page171
To Run the Solenoid Test171
To Print the Print Quality Page171
Printer Setup171
Scanner Service172
FB Left Margin172
FAX Service172
Fax Test172
Detect Ring173
Go off Hook173
Modulation173
Fax SETUP175
Fax Setting175
Modem Setting175
Error Log177
Display Log177
To View Error Log177
Print Log178
Clear Log178
To Print Error Log178
Optional Tray S/W Upgrade (Download)179
Pre-Condition Setting (Step 1)179

Sindoh M401 - ADF Idle Guide

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