Samsung MultiXpress M5370 Series

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2.ProductSpecicationsandDescription

2.5.3.1.DeveloperUnit

Thedeveloperunitcontains330gofdeveloper(Carrier+Toner)thatissuppliedtothemagneticroller[A]bythemixing

augers[B]andthesupplymixer[C].

ThedeveloperunithasaTC(TonerConcentration)sensor[D]thatisusedforcontrollingtheoperatingrangeoftonerdensity.

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Table of Contents2
Precautions8
Safety Warning8
Caution for Safety9
Toxic Material9
Electric Shock and Fire Safety Precautions9
Handling Precautions11
Assembly and Disassembly Precautions11
Disregarding this Warning May Cause Bodily Injury12
ESD Precautions13
Caution for Data Loss14
Product Specifications and Description15
Product Overview15
Specifications16
General Specification16
Print Specification18
Scan Specification19
Copy Specification20
Fax Specification21
Paper Handling Specification22
Software and Solution Specification24
Supplies26
Maintenance Parts27
System Configuration33
Feeding System39
Feeding System Overview39
Cassette44
Pick-Up Unit45
Registration Unit46
Mpf(Multi-Purpose Feeder) Unit47
Image Creation48
Printing Process Overview48
Toner Cartridge49
Imaging Unit50
Developer Unit51
Drum Drive53
Fuser Unit54
Fuser Unit Overview54
Fuser Unit Drive55
Fuser Unit Temperature Control56
Laser Scanning Unit (LSU)57
LSU Overview57
Laser Scanning Optical Path59
Laser Synchronizing Detectors60
Drive System62
Drive Motors62
Main Drive Unit63
Main Drive (Opc_Regi._Pick-Up_Mp_Duplex)64
Main Drive (Deve_Agitaitor_Toner Supply)65
Fuser_Exit Drive66
Scanner System67
Scanner System Overview67
Scanning System Components68
Dual Scan Document Feeder(DSDF) (M5370LX_M4370LX)69
Dsdf(Dual Scan Document Feeder) Overview69
Electrical Parts Location70
DSDF Drive System72
Reverse Automatic Document Feeder(RADF) (M5360RX)74
RADF Overview74
Electrical Parts Location75
RADF Drive System77
Hardware Configuration81
Main Board84
Msok87
Fax Joint PBA88
Fax Card (Optional)88
FDI (Optional)89
OPE Hub PBA and OPE Joint Board90
SMPS Board92
Fuser Drive Board (FDB)94
HVPS Board95
Finisher PBA97
SCF_HCF Board98
CRUM Joint PBA98
Sub-Cassette PBA99
Crum Pba99
Eraser PBA100
Fuser CRUM PBA100
Disassembly and Reassembly101
Precautions When Replacing Parts101
Precautions When Assembling and Disassembling101
Precautions When Handling PBA101
Releasing Plastic Latches102
Maintenance103
Machine Cleaning for Maintenance103
Cleaning the DSDF White Bar (M5370LX_M4370LX)103
Cleaning the RADF White Bar and Platen Glass (M5360RX)104
Replacing the Maintenance Part105
Fuser Unit105
Transfer Roller106
Pick-Up_Reverse_Forward Roller107
MP Pad and MP Unit108
DSDF Pick up Roller Assy (M5370LX_M4370LX)112
DSDF Reverse Roller Assy (M5370LX_M4370LX)113
SCF Pick-Up_Reverse_Forward Roller114
HCF Pick-Up_Reverse_Forward Roller115
RADF Pick up Roller Assy (M5360RX)116
RADF Friction Pad Assy (M5360RX)117
Replacing the Main SVC Part118
Left Cover118
Rear Cover118
Front Cover119
Fuser Drive Board (FDB)120
HVPS Board121
SMPS Board122
Main Board123
Hard Disk Drive(HDD)124
Main Drive Unit125
Fuser_Exit Drive Unit126
Side Unit127
Duplex Fan129
Duplex Clutch129
CTD Sensor130
Scanner131
Exit Unit133
Exit Sensor 1134
Exit Sensor 2134
LSU (Laser Scanning Unit)135
Regi_Feed_Ready Sensor136
OPE Unit (M5370LX_M4370LX)137
OPE Unit (M5360RX)138
Platen Unit140
Scan Upper140
Scan Motor141
Scan Joint Board141
Cover Open Sensor142
APS Sensor142
DSDF (Dual Scan Document Feeder)(M5370LX_M4370LX)143
DSDF Hinge144
DSDF Cover145
DSDF Board146
DSDF Stacker146
Dsdf Cover-Open147
Dsdf Guide-Pick up Assy148
Dsdf-Exit up149
Holder-Harness149
Dsdf-CCDM150
DSDF Drive151
RADF (Reverse Automatic Document Feeder)(M5360RX)152
RADF Hinge153
RADF Cover154
RADF Board155
RADF Stacker156
Radf Cover-Open157
Radf Sub Core Assy158
Cover Jam Assy159
Cover Platen Sub Assy159
Holder-Harness160
Duplex Motor Assy160
RADF Motor Assy161
Guide Pick up Assy162
Exit Assy163
Card Reader or NFC Kit Installation164
1-Bin Finisher166
Mail Box171
2-Bin Finisher174
Troubleshooting179
Control Panel179
Display Screen and Useful Buttons181
Menu Navigation181
Home Screen Overview182
Customizing Your Home Screen183
Notification Bar185
Understanding the Leds186
Updating Firmware187
Updating from the Printer Control Panel187
Updating from the Network188
JAM Removal191
Clearing Original Document Jams191
Clearing Paper Jams198
Service Mode216
Entering the Service Mode216
Service Mode Menu Tree217
Information222
General222
Supply Status222
Software Version222
Service Hours223
Fault Log223
Print Reports223
Export Reports223
Maintenance Counts224
Fault Count224
Jam Count224
Part Replacement Count224
Diagnostics226
Engine Diagnostics226
Fax Diagnostics230
Scanner Diagnostics234
Adjustment236
Service Functions243
Main Memory Clear243
Hard Disk Maintenance243
Debug Log244
Capture Log244
Network Packet Capture245
System Recovery246
Clear System Cache248
Hibernation248
Paper Low Warning Message248
Part Replacement Alert248
Fdi248
EIUL (End of Image Unit Life)248
SFE (Special Feature Enablement)249
Dealer ID249
Envelope Rotate251
Error Code and Troubleshooting252
Ax-XXXX Type Error Code260
Error Message267
Sensor Failure: #A3-3412. Turn off then On. Call for Service if the Problem Persists267
Lamp Failure: #A4-1110. Open the Door, then Close It. Call for Service if the Problem Persists268
CX-XXXX Type Error Code271
Prepare New Toner Cartridge271
C1-111A271
Shake Toner Cartridge and then Install. Replace Toner Cartridge if the Problem Persists271
End of Life, Replace with New Toner Cartridge272
Install Toner Cartridge273
Toner Cartridge Is Not Compatible. Check Users Guide274
Toner Cartridge Failure: #C1-1710. Call for Service275
Prepare New Imaging Unit276
End of Life, Replace with New Imaging Unit276
Replace with New Imaging Unit(C3-1150)276
End of Life, Replace with New Imaging Unit(C3-1170)276
Imaging Unit Failure:#C3-1210. Please Turn off then on276
Imaging Unit Failure: #C3-1314. Install Imaging Unit Again277
Imaging Unit Failure: #C3-1315. Install Imaging Unit Again277
Imaging Unit Failure: #C3-1316. Install Imaging Unit Again277
Imaging Unit Is Not Installed. Install the Unit278
Imaging Unit Failure: #C3-1414. Install Imaging Unit Again278
Imaging Unit Is Not Compatible. Check Users Guide278
Imaging Unit Failure: #C3-1710. Call for Service278
Imaging Unit Failure: #C3-1711. Call for Service278
Imaging Unit Failure: #C3-1712. Call for Service278
Replace with New Fuser Unit279
Replace with New Tray1 Pickup Roller280
Replace with New Tray2 Pickup Roller280
Replace with New Tray3 Pickup Roller280
Replace with New Tray4 Pickup Roller280
Replace with New MP Pickup Roller281
Replace with New Transfer Roller282
TR Failure: #C9-2220. Install Transfer Roller Again283
H1-XXXX Type (Optional Cassette) Error Code284
Paper Jam in Tray 2284
Paper Jam in Tray 2 or Tray Door Is Open284
Tray 2 Door Is Open. Close It285
Tray 2 Cassette Is Pulled Out. Insert It Properly285
Input System Failure: #H1-1230. Check Tray 2 Connection285
Paper Is Low in Tray 2. Load Paper286
Paper Is Empty in Tray 2. Load Paper286
Input System Failure #H1-1253 : Pull Tray 2 out and Insert It287
Paper Jam in Tray 3288
Paper Jam in Tray 3 or Tray Door Is Open288
Tray 3 Door Is Open. Close It289
Tray 3 Cassette Is Pulled Out. Insert It Properly289
Tray Failure: #H1-1332. Check Tray Connection289
Tray 3 Is Not Installed. Install the Tray289
Paper Is Low in Tray 3. Load Paper290
Paper Is Empty in Tray 3. Load Paper290
Input System Failure: #H1-1353. Pull Tray 3 out and Insert It291
Paper Jam in Tray 4292
Paper Jam in Tray 4 or Tray Door Is Open292
Tray 4 Door Is Open. Close It293
Tray 4 Cassette Is Pulled Out. Insert It Properly293
Tray Failure: #H1-1434. Check Tray Connection293
Paper Is Low in Tray 4. Load Paper294
Paper Is Empty in Tray 4. Load Paper294
Input System Failure: #H1-1453. Pull Tray 4 out and Insert It295
Paper Jam in HCF 2296
Paper Jam in Tray 2 or Tray Door Is Open296
HCF 2 Door Is Open. Close It297
HCF 2 Cassette Is Pulled Out. Insert It Properly297
Input System Failure: #H1-2230. Check HCF 2 Connection297
HCF 2 Is Not Installed. Install the HCF297
Paper Is Low in HCF 2. Load Paper298
Paper Is Empty in HCF 2. Load Paper298
Input System Failure #H1-2253 : Pull HCF 2 out and Insert It299
H2-XXXX Type (Finisher) Error Code300
Finisher Failure #H2-5001. Turn off then On, after Checking Finisher302
Finisher Failure #H2-5002. Turn off then On, after Checking Finisher302
Finisher Failure #H2-5003. Turn off then On, after Checking Finisher304
Finisher Failure #H2-5004. Turn off then On, after Checking Finisher304
Finisher Failure #H2-5005. Turn off then On, after Checking Finisher306
Finisher Failure #H2-5006. Turn off then On, after Checking Finisher306
Finisher Failure #H2-5007. Turn off then On, after Checking Finisher308
Finisher Failure #H2-5008. Turn off then On, after Checking Finisher308
Finisher Failure #H2-5009. Turn off then On, after Checking Finisher310
Finisher Failure #H2-5010. Turn off then On, after Checking Finisher310
Finisher Failure #H2-5011. Turn off then On, after Checking Finisher310
Finisher Failure #H2-5012. Turn off then On, after Checking Finisher312
Finisher Failure #H2-5013. Turn off then On, after Checking Finisher312
Finisher Failure #H2-5014. Turn off then On, after Checking Finisher313
Finisher Failure #H2-5015. Turn off then On, after Checking Finisher313
Paper Jam in Front of Finisher: #H2-5032315
Paper Jam Inside of Finisher: #H2-5033317
Paper Jam Inside of Finisher: #H2-5034317
Paper Jam Inside of Finisher: #H2-5036317
Finisher Door Is Open. Close It320
Finisher Failure #H2-5064. Turn off then On, after Checking Finisher321
Finisher Failure #H2-5065. Turn off then On, after Checking Finisher321
Paper Jam in Front of Mailbox. Remove Paper: #H2-5080322
Paper Jam Inside of Mailbox. Remove Paper: #H2-5081322
Paper Jam at Mailbox bin 1. Remove Paper: #H2-5083322
Mainbox Failure: #H2-5087. Check Mailbox322
Mailbox Door Is Open. Close It322
H2-5A21323
Finisher Top Door Is Open. Close It323
H2-5A31324
The Paper in Finisher Stacker Is Nearly Full. Remove Printed Paper324
H2-5A32324
The Paper in Finisher Stacker Is Full. Remove Printed Paper324
H2-5A34324
The Paper in Finisher Bin2 Is Nearly Full. Remove Printed Paper324
H2-5A35324
H2-5A38326
Paper in Mailbox bin 3 Is Full. Remove Printed Paper326
H2-5A50326
Finisher Failure #H2-5A50. Check Finisher326
H2-5A62327
Staple Cartridge Is Low. Replace It327
H2-5A63327
Staple Cartridge Is Empty or Not Installed. Replace It327
H2-5A90328
Paper Jam at the Top of Finisher: #H2-5A90328
MX-XXXX Type Error Code329
Paper Jam in Tray 1329
Paper Jam in MP Tray331
Tray 1 Cassette Is Pulled Out. Insert It Properly333
Tray Failure: #M1-4111. Pull Tray 1 out and Insert It. Call for Service if the Problem Persists334
Paper Is Low in Tray 1. Load Paper335
Paper Is Empty in Tray 1. Load Paper335
Paper Is Empty in All Tray. Load Paper335
Paper Is Empty in MP Tray. Load Paper336
Paper Jam Inside of Machine337
Paper Jam at the Bottom of Duplex Path339
Paper Jam at the Top of Duplex Path339
Paper Jam in Exit Area341
Paper Jam Inside of Machine341
Paper in Output bin Is Full. Remove Printed Paper342
Sx-XXXX Type Error Code343
The Clock Became Initial Time. Set a Time Again343
HDD System Failure: #S1-2411. Turn off then On. Call for Service if the Problem Persists343
System Failure: #S1-2433 . Call for Service344
HDD Error #S1-2434. Check Users Guide345
HDD Error #S1-2435. Check Users Guide345
HDD Error #S1-2436. Check Users Guide345
HDD Error #S1-2437. Check Users Guide345
HDD Error #S1-2438. Check Users Guide345
HDD Error #S1-2439. Check Users Guide345
MSOK Failure: #S1-2510. Call for Service & Change MSOK346
MSOK Failure: #S1-2521. Call for Service346
PPM Data Is Incorrect. Call for Service & Change MSOK346
Engine System Failure: #S2-1211. Turn off then346
S2-331D348
Wait Delay Time for Lower Fixing Temperature348
Supplying and Mixing Toner to Developer Unit. Please Wait348
Calibrating Image Density. Please Wait348
Door Is Open. Close It348
U1-XXXX Type (Fuser) Error Code359
Error Code359
Error Message359
U2-XXXX Type (LSU) Error Code362
U3-XXXX Type(DSDF) Error Code364
Original Paper Jam Inside the Scanner (M5370LX / M4370LX)364
Original Paper Jam Inside the Scanner (M5370LX / M4370LX)367
Original Paper Jam Inside the Scanner (M5370LX / M4370LX)371
U3-XXXX Type(RADF) Error Code375
Original Paper Jam Inside the Scanner (M5370LX / M4370LX)375
Original Paper Jam Inside the Scanner (M5370LX / M4370LX)378
Original Paper Jam Inside the Scanner (M5370LX / M4370LX)382
Original Paper Jam in the Exit Area of Scanner (M5370LX / M4370LX)384
Original Paper Jam in the Exit Area of Scanner (M5370LX / M4370LX)387
Top Door of Scanner Is Open (M5360RX)389
Image Quality Problem391
Other Problems406
System Diagram411
Reference Information412
Tools for Troubleshooting412
Glossary414
The Sample Pattern for the Test420
Model Name and Code421
Document Revision List422

Samsung MultiXpress M5370 Series - Developer Unit

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