Ricoh MP C3004 - PSU Exhaust Fan (MP C4504;5504;6004)

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2. PSU cooling fan unit [A]

3. PSU cooling fan [A]

PSU Exhaust Fan (MP C4504/5504/6004)

1. Power supply box (page 704)

2. Left cover (page 496)

Fans/Filters

717

Main Page

Default Chapter3
- Important Safety Notices3
- Safety Information3
- Prevention of Physical Injury4
- Health Safety Conditions5
- Observance of Electrical Safety Standards5
- Safety and Ecological Notes for Disposal5
- Handling the Development Unit Cooling System6
- Handling Toner6
- Laser Safety7
- Safety Instructions for the Color Controller8
Symbols, Abbreviations and Trademarks9
- Symbols, Abbreviations9
- Trademarks10
- Table of Contents13
1 Product Information45
Product Overview45
- Component Layout45
- Paper Path47
- Drive Layout50
Machine Codes and Peripherals Configuration52
- Main Machine52
  - Asia/Pacific/ Central, South America)54
  - Korea)54
- Option55
  - Europe)55
- Diagram59
  - MP C3004/C3504 Peripherals59
  - MP C4504/C5504/C6004 Peripherals61
- Diagram61
Specifications63
Installation Requirements65
- Environment65
- Machine Level66
- Machine Space Requirements66
- Machine Dimensions67
  - Model -27, -29, -65 (220-240 V)69
- Power Requirements70
  - Input Voltage Level70
  - Model -17, -18 (120-127 V)70
Main Machine Installation71
- Important Notice on Security Issues71
  - Overview71
  - Password Setting Procedure72
- Installation Flow Chart75
- Accessory Check76
- Installation Procedure78
- Image Quality Test / Settings99
- Moving the Machine109
  - Cautions Upon Lashing111
Anti-Condensation Heater (Scanner, PCDU)113
- Accessory Check113
- Installation Procedure114
- Anti-Condensation Heater (PCDU)125
  - Accessory Check125
  - Installation Procedure126
Anti-Condensation Heater for Paper Feed Trays136
- Accessory Check136
- Connecting to Main Machine Tray137
- Connecting to Paper Feed Unit PB3160141
- Connecting to Paper Feed Unit PB3150143
- Connecting to LCIT PB3170/ PB3230146
Paper Feed Unit PB3160 (D693)149
- Accessory Check149
- Installation Procedure149
Paper Feed Unit PB3150 (D694)155
- Accessory Check155
- Installation Procedure155
Lcit Pb3170/Pb3230 (D695)160
- Accessory Check160
- Installation Procedure160
  - Changing the Paper Size164
Lcit Rt3030 (D696)167
- Accessory Check167
- Installation Procedure168
  - Changing the Paper Size175
- Modification for Increasing the LCIT Capacity176
  - List of Parts to be Attached176
  - Replacement Procedure178
Caster Table Type M3 (D178)186
- Accessory Check186
- Installation Procedure186
  - How to Place the MFP on the Caster Table187
  - How to Place the Paper Feed Unit PB3150 on the Caster Table188
Platen Cover PN2000 (D700)189
- Accessory Check189
- Installation Procedure189
Ardf Df3090 (D779)192
- Accessory Check192
- Installation Procedure192
  - When Feeding Thin Paper197
Spdf Df3100 (D3B0)198
- Accessory Check198
  - Attaching the SPDF199
- Installation Procedure199
  - Adjust SP Settings208
Bin Tray BN3110 (D3CQ)211
- Accessory Check211
- Installation Procedure212
  - Checking the Position of the Paper Exit Feeler218
Internal Shift Tray SH3070 (D691)220
- Accessory Check220
- Installation Procedure220
  - Checking the Position of the Paper Exit Feeler224
Side Tray Type M3 (D725)226
- Accessory Check226
- Installation Procedure227
Bridge Unit BU3070 (D685)234
- Accessory Check234
- Installation Procedure234
Booklet Finisher SR3240 (D3Bb)/Finisher SR3230 (D3BA)242
- Accessory Check242
- Installation Procedure243
  - Attaching the Proof Support Tray251
Punch Unit PU3060 (D706)253
- Accessory Check253
- Installation Procedure254
Booklet Finisher SR3220 (D3B9)268
- Accessory Check268
- Installation Procedure269
  - Attaching the Proof Support Tray275
Finisher SR3210 (D3B8)277
- Accessory Check277
- Installation Procedure278
  - Attaching the Proof Support Tray286
- Stapleless Stapler Initial Settings287
  - How to Change the Setting of Staple Method for Stapleless Stapler288
  - How to Set Margin Erase for Stapleless Stapler288
Punch Unit PU3050290
- Accessory Check290
- Installation Procedure291
Internal Finisher SR3130 (D690)304
- Accessory Check304
- Installation Procedure305
Punch Unit PU3040 (D716)319
- Accessory Check319
- Installation Procedure320
Internal Finisher SR3180 (D766)327
- Accessory Check327
- Installation Procedure328
- Stapleless Stapler Initial Settings344
  - How to Change the Setting of Staple Method for Stapleless Stapler344
  - How to Set Margin Erase for Stapleless Stapler345
Banner Paper Guide Tray Type M19 (D3BF)346
- Accessory Check346
- Installation Procedure346
Imageable Area Extension Unit Type M19 (D3BR-07)351
- Accessory Check351
- Installation Procedure351
  - When You Forgot to Change the SP353
External Keyboard Bracket Type M19 (D3BR-10)355
- Accessory Check355
- Installation Procedure355
Internal Options361
- List of Slots361
  - Mp C4504/C5504/C6004361
  - Mp C3004/C3504362
USB Device Server Option Type M19 (D3BC-28,-29)363
- Component Check363
  - Interface Board Surface364
- Installation Procedure365
  - What Do the LED Indications Mean370
  - Notes for Energy Save Mode Setting370
- IP Address Setting370
Extended USB Board Type M19 (D3BS-01)373
- Component Check373
- Installation Procedure373
IEEE 1284 Interface Board Type M19 (D3C0)375
- Accessories375
- Installation Procedure375
IEEE 802.11Agn Interface Unit Type M19 (D3BR-01)377
- Accessory Check377
  - Attaching the Boards378
- Installation Procedure378
  - Attaching the Antenna379
- User Tool Settings for IEEE 802.11A/G/N380
- SP Mode Settings for IEEE 802.11 Wireless LAN381
File Format Converter Type M19 (D3BR-04)383
- Accessory Check383
- Installation Procedure383
Bluetooth Interface Unit Type D (D566-01)385
- Accessory Check385
- Installation Procedure385
Memory Unit Type M19 4GB387
- Accessory Check387
- Installation Procedure387
Enhanced Security HDD Option Type M12 (D3A6-02)390
- Accessory Check390
- Installation Procedure390
  - After Installing the HDD394
Optional Counter Interface Unit Type M12 (B870-21)396
- Accessory Check396
- Installation Procedure397
Key Counter Bracket Type M3 (D739-09)400
- Accessory Check400
- Installation Procedure400
Card Reader Bracket Type 3352 (D593-61)406
- Component Check406
- Installation Procedure407
NFC Card Reader Type M19 (D3BS-21)411
- Accessory Check411
- Installation Procedure412
Smart Card Reader Built-In Unit Type M19 (D3BS-22)419
- Accessory Check419
- Installation Procedure419
  - Procedure for Connecting to the Main Machine USB Slot420
  - Procedure for Connecting to the Operation Panel USB Slot426
SD Card Options433
- SD Card Slots433
- List of Slots Used433
SD Card Appli Move435
- Overview435
- Move Exec437
- Undo Exec439
Postscript3 Unit Type M19 (D3BD-05, -06, -07)441
- Accessories441
- Installation Procedure441
Camera Direct Print Card Type M19 (D3BD-13)444
- Accessories444
- Installation Procedure444
IPDS Unit Type M20 (D3BC-20, -21, -22)446
- Accessories446
- Installation Procedure446
XPS Direct Print Option Type M19 (D3BC-24, -25, -26)449
- Accessories449
- Installation Procedure449
OCR Unit Type M13 (D3AC-23, -24, -25)451
- Searchable PDF Function Outline451
- Accessory Check451
- Installation Procedure451
- Recovery Procedure454
Dataoverwritesecurity Unit Type M19 (D3BS-03)455
- Overview455
- Component List455
- Before You Begin the Procedure456
  - Seal Check and Removal456
- Installation Procedure457
- Configuring "Auto Erase Memory" (Performed by the Customer)460
Remote Settings463
Security Settings469
- Security Function Installation469
- Data Overwrite Security470
- HDD Encryption473
3 Preventive Maintenance485
PM Parts Settings485
- Replacement Procedure of the PM Parts485
  - Method 1: by SP3701485
  - Method 2: by [PM Counter / New Unit Set] Menu487
- After Installing the New PM Parts488
  - SP Descriptions489
- Preparation before Operation Check489
  - SP Descriptions490
- Operation Check490
PM Parts List491
4 Replacement and Adjustment493
Notes on the Main Power Switch493
- Push Switch493
Beforehand496
Special Tools497
Exterior Covers498
- Front and Rear Side Covers498
- Overview498
  - Right and Left Side Covers499
  - Paper Exit Covers500
  - Inner Covers500
- Front Cover501
- Controller Cover502
- Upper Left Cover502
- Left Rear Cover503
- Left Cover504
- Rear Cover507
- Rear Lower Cover508
- Right Rear Cover508
- Right Upper Cover509
- Proximity Sensor Cover509
- Proximity Sensor511
- Main Power Switch Cover512
- Waste Toner Cover513
- Inverter Tray514
- Paper Exit Tray515
- Paper Exit Lower Cover515
- Paper Exit Front Cover516
- Inner Upper Cover517
- Inner Lower Cover517
Smart Operation Panel519
- Operation Panel Unit519
- USB Cable522
- ADF Removal525
- Scanner Unit528
- Before You Begin528
- Scanner Exterior528
- Exposure Glass530
- Scanner Carriage532
  - Cleaning the Scanner Carriage Mirror536
- Scanner Motor539
- Original Size Sensor541
- Scanner HP Sensor541
- Ardf/Platen Cover Sensor542
- Scanner FFC543
  - When Changing the FFC544
Laser Unit548
- Before Replacement549
- Removing549
- Installing a New Laser Unit550
- Adjustment after Replacing the Laser Unit551
- Polygon Mirror Motor552
  - Adjustment after Replacing the Polygon Mirror Motor553
- SP Descriptions553
- Notes When Replacing a PCDU555
- Pcu/Development Unit565
- Imaging Temperature Sensor (Thermistor)571
  - Check Procedure after Replacing571
Waste Toner573
- Replacement573
Image Transfer Unit574
- What to Do before Replacing the Image Transfer Belt575
- Image Transfer Cleaning Unit578
  - What to Do before Replacing the Image Transfer Cleaning Unit579
  - Replacement580
- Image Transfer Belt583
  - Attaching the Belt586
  - Adjustment after Replacing the Image Transfer Belt590
- Paper Transfer Roller591
- Paper Transfer Roller Unit595
  - Fusing Entrance Sensor597
  - TM/ID Sensor598
  - Replacement Procedure600
  - Adjustment after Replacing the TM/ID Sensor602
- Temperature and Humidity Sensor604
- ITB Contact and Release Sensor606
  - Image Transfer Lock Unit606
  - Installing the Image Transfer Lock Unit608
  - Drive Unit Overview611
- Paper Feed Motor612
- Transport Motor612
- Paper Transfer Contact and Release Motor Unit613
- Imaging Drive Unit614
- PCU Motor: CMY616
- Development Motor: CMY617
- Development Motor: Black618
- PCU: Black / Image Transfer Motor619
- Registration Motor620
- Fusing Motor620
- Paper Exit / Pressure Release Motor621
- Duplex Entrance Motor621
- Toner Transport Motor622
- Sub Hopper623
- Toner End Sensor627
- Toner Bottle Drive Motor628
  - ID Chip630
  - Fusing Unit633
- Fusing Entrance Guide Plate634
- Cleaning the Fusing Entrance Guide Plate634
- Fusing Exit Guide Plate635
  - Cleaning the Fusing Exit Guide Plate636
  - Fusing Upper Cover636
- Fusing Lower Cover637
- Heating Sleeve Unit638
  - How to Cancel SC544-02/SC554-02 with a New Unit Detection Fuse642
  - Pressure Roller643
  - Adjustment before Replacing the Pressure Roller643
  - Replacement643
- Thermostat Unit645
- Non-Contact Thermistor646
- Pressure Roller Thermistor646
- Thermopile Unit647
- Pressure Roller HP Sensor647
- Fusing Shield Position Sensor (MP C4504/5504/6004)648
- Fusing Shield Drive Motor (MP C4504/5504/6004)649
- Fusing Exit Solenoid650
- Paper Exit Switching Solenoid652
- Paper Exit Sensor653
- Reverse Sensor655
- Paper Exit Full Sensor656
- Reverse Motor657
- Fusing Exit Sensor658
  - 1St Paper Feed Unit660
  - 2Nd Paper Feed Unit662
- Paper Dust Collection Unit664
- Pick-Up Roller, Paper Feed Roller, Separation Roller, Torque Limiter664
- 1St Tray Lift Motor/ 2Nd Tray Lift Motor667
- Paper Feed Sensor668
- Transport Sensor669
- Limit Sensor670
- Paper End Sensor670
- Registration Sensor671
Bypass Tray Unit673
- Bypass Paper End Sensor676
- Bypass Pick-Up Roller677
- Bypass Paper Feed Roller678
- Bypass Separation Roller/Torque Limiter678
- Bypass Width Sensor679
- Bypass Length Sensor683
- Duplex Unit684
- Duplex/By-Pass Motor685
- Duplex Entrance Sensor686
- Duplex Exit Sensor688
Electrical Components690
- Printed Circuits Behind the Controller Box691
- Printed Circuit/Parts Inside the Power Box692
- Controller Box Cover693
- Controller Board697
  - Replacing the Nvrams on the Controller Board699
    - Hdd706
    - Imaging IOB707
  - Adjustment after Replacement707
- Hvp_Tts709
- PSU (AC Controller Board)709
- PSU (DC Power)710
- Paper Transport IOB712
- Hvp-Cb713
  - HVP-CB with Bracket714
- Proximity Sensor Board716
Fans/Filters717
- Adjustment before Replacing the Dust Filter717
- Ozone Filter/Dust Filter717
- Deodorization Filter718
- Development Intake Fan719
- Ozone Exhaust Fan720
- Fusing Exhaust Fan721
- Drive Cooling Fan (MP C4504/5504/6004)722
- Main Exhaust Fan (MP C4504/5504/6004)723
- Toner Supply Cooling Fan723
- PSU Cooling Fan724
- PSU Exhaust Fan (MP C4504/5504/6004)725
- Controller Box Cooling Fan726
Image Adjustment727
- Auto Color Calibration727
- Scanning728
- Scanner Leading Edge and Side-To-Side Registration729
- Scanner Sub-Scan Magnification729
  - Ardf730
  - ARDF Side-To-Side, Leading Edge Registration and Trailing Edge730
- ARDF Sub-Scan Magnification731
- Adjustment Standard732
  - Erase Margin Adjustment732
  - Paper Registration Standard732
- Adjusting the Tone of the Printed Image733
  - Opening the Printer Driver's "Color Balance Details" Window734
- Adjustment by Changing the Printer Driver Setting734
- Adjustment by Changing the Machine's Profile Setting742
  - Procedure to Change the Profile Setting742
  - Patterns and Tendency of the Tone for each Profile743
- Printer Gamma Correction744
- Color Registration748
  - Check the Occurrence of Color Registration Errors748
  - Judgment for Type of Color Registration Error748
5 System Maintenance759
Service Program Mode759
- Entering SP Mode759
- Exiting SP Mode760
- Types of SP Modes760
- Remarks764
  - Others764
SP Tables766
Firmware Update (SD Card)767
- Firmware Type767
- Overview767
- What Is Included in the Firmware Package769
- Procedure769
  - Preparation770
  - Update Procedure770
- Error Screens During Updating775
Firmware Update (Remote Firmware Update)781
- RFU Performable Condition781
Firmware Update (Smart Firmware Update)782
- Overview782
- Immediate Update783
- Update at the Next Visit (Reserve)786
- Update Via SD Card793
Firmware Update (Auto Remote Firmware Update)796
- Overview796
- Downloading and Updating Process797
- Related SP803
Updating Javavm807
- Creating an SD Card for Updating807
  - Updating Procedure807
  - List of Error Messages808
NVRAM Data Upload/Download810
- Uploading Content of NVRAM to an SD Card810
- Downloading an SD Card to NVRAM811
Address Book Upload/Download813
- Information List813
- Upload815
Capturing the Device Logs816
- Overview816
  - Security of the Operation Log818
- Retrieving the Device Logs Via Operation Panel818
  - Procedure for Retrieving the Device Log with SD Card818
- Retrieving the Device Logs Via Web Image Monitor821
SMC List Card Save Function825
- Overview825
- Procedure825
- File Names of the Saved SMC Lists827
- Error Messages828
UP/SP Data Import/Export829
- Data that Can be Imported and Exported829
- Data that Cannot be Imported or Exported829
- Exporting Device Information830
- Importing Device Information831
- SP Data Import/Export832
- Possible Solutions for Import/Export Problems835
Card Save Function838
- Overview838
- Procedure838
- Error Messages841
6 Troubleshooting843
Self-Diagnostic Mode843
- SC Automatic Reboot843
- Controller Self-Diagnosis Outline846
- Controller Self-Diagnosis Flowchart847
- HDD-Related Message850
Service Call Conditions852
- Summary852
  - SC Logging853
- List of Automatic Reboot Target SC853
  - Engine SC853
  - Controller SC862
- SC Code Classification865
Service Call 101-195866
- SC100 (Engine: Scanning)866
Service Call 202-285878
- SC200 (Engine: Image Writing)878
Service Call 312-396886
- SC300 (Engine: Charge, Development)886
Service Call 441-498895
- SC400 (Engine: Around the Drum)895
Service Call 501-584901
- SC500 (Engine: Paper Transport 1: Paper Feed, Duplex, Transport)901
- SC500 (Engine: Fusing)922
SC620-Service Call 620-689945
- SC600 (Engine: Communication and Others)945
- SC600 (Controller)966
Service Call 700-792978
- SC700 (Engine: Peripherals)978
Service Call 816-8991012
- SC800 (Controller)1012
Service Call 900-9981054
- SC900 (Engine: Others)1054
- SC900 (Controller)1056
Troubleshooting for SC Errors1061
- When SC285-02 (MUSIC Error) Is Displayed1061
  - Cause1061
  - Solution1062
- When SC370 (TM (ID) Sensor Calibration Error) Is Displayed1064
- When SC501, SC502, SC503, or SC504 (Paper Tray Error) Is Displayed1066
  - Solution1066
- When SC549 (Shield Operation Error Detection) Is Displayed1068
- Isolation Diagram of SC663, 664, 665, 667, 668, and 670-011073
- When SC670 (Engine Start up Error) Is Displayed1074
  - Cause1074
  - Solution1074
- When SC672 (Controller Start up Error) Is Displayed1075
Jam Detection1091
- Jam Display1091
- Clearing a Paper Jam1091
- Paper Jam History1092
  - History Checking Method1092
  - Paper Jam Display1092
- Jam Codes and Display Codes1092
- Paper Size Code1105
- Sensor Locations1106
Troubleshooting for Transport/Paper Feeding of the Machine1107
- Curled Paper1107
- Initial Jam1107
- Initial Jam: Cause Code 001 / Location Code B1108
- Initial Jam: Cause Code 001 / Location Code C1109
- Initial Jam: Cause Code 001 / Location Code Z1110
- Tray 1 no Feeding: Late Jam : Cause Code 0031111
- Tray 2 no Feeding: Late Jam : Cause Code 0041114
- Tray 1 Transport Sensor: Late Jam : Cause Code 0111116
- Tray 2 Transport Sensor : Late Jam : Cause Code 0121118
- Registration Sensor : Late Jam : Cause Code 0171120
- Paper Exit Sensor : Late Jam : Cause Code 0201121
- Tray 1 Transport Sensor : Lag Jam : Cause Code 0511122
- Tray 2 Transport Sensor: Lag Jam: Cause Code 0521125
- Registration Sensor: Lag Jam: Cause Code 0571126
- Paper Exit Sensor: Lag Jam: Cause Code 0601128
- Reverse Sensor: Late Jam: Cause Code 0241129
- Reverse Sensor: Lag Jam : Cause Code 0641130
- Duplex Exit Sensor: Late Jam: Cause Code 0251131
- Duplex Exit Sensor: Lag Jam: Cause Code 0651132
- Duplex Entrance Sensor: Late Jam: Cause Code 0271133
- Duplex Entrance Sensor: Lag Jam: Cause Code 0671135
- Display Error1136
  - "No Paper in Tray 1" Is Displayed Even When the Paper Is in1136
  - No Paper in Tray 2" Is Displayed Even When the Paper Is in1137
  - "Tray 2 Not Set" Is Displayed Even When the Tray Is Set1138
  - Tray 1 Not Set" Is Displayed Even When the Tray Is Set1138
  - Does Not Shift to Right Door Open Status1139
  - Wrong Paper Size Displayed on the Operation Panel1139
  - Cannot Detect Paper Full1140
  - Cannot Print as Paper Full Alert Cannot be Turned off1141
  - Waste Toner Bottle Is Never Full1142
- Others1142
  - Replace the Waste Toner Bottle" Is Displayed Even When It Is Clear that the Waste Toner Bottle Is Not Full1142
  - Waste Toner Bottle Is Not Detected Even When It Is Set1143
  - Paper Transfer Unit Open/Close LED Not Lit & Paper Transfer Unit Open1143
  - No Waste Toner Bottle Set Is Displayed on Controller Board Even When It Is Clear that Is Set1143
  - Paper Transfer Unit Open/Close LED Not Lit1144
  - Paper Transfer Unit Open/Close LED Always Lit1144
Troubleshooting for Finishing Options1146
- Finisher Registration Adjustment1146
  - For Booklet Finisher SR3240 (D3BB) / Finisher SR3230 (D3BA)1146
    - If the Paper Shifts Towards the Front1147
    - If the Paper Shifts Towards the Rear1147
  - For Booklet Finisher SR3220 (D3B9) / Finisher SR3210 (D3B8)1148
- Finisher Jogger Problem (for Booklet Finisher SR3220 (D3B9) / Finisher SR3210 (D3B8))1150
- Early Tray Full Detection Mylar for Internal Finisher SR3130 (D690)1151
  - Pasting the Mylar1151
- Paper Curl Problem for SR3180 (D766)1155
  - Specifications: Maximum Sheet Capability for Staple Jobs1158
- Maximum Number of Sheets for Stapling and What Happens When the Job Has too Many1158
  - Behavior: When the Number of Sheets Exceeds the Maximum Staple Capability1159
  - Select the Behavior When the Job Has more than the Maximum of Staple Capability with SP51991160
Electrical Component Defects1161
- Fuses1161
Vertical Streaks on Copies Due to Scanning Problems1165
- Overview1165
  - Converting the ARDF DF3090 to Contact Scanning1166
  - Converting the SPDF3100 to Contact Scanning1169
Image Quality Problems1173
- Misjudgment for Auto Color Selection (Copy/Scanner)1173
- When an Abnormal Image Is Generated1176
7 Detailed Descriptions1179
Guidance for those Who Are Familiar with Predecessor Products1179
- Changes from the Previous Machine1179
Component Layout1187
- Scanner Unit1187
- Laser Exposure Unit1188
- Image Transfer Unit1189
- Pcdu1190
- Toner Supply / Waste Toner Bottle1191
- Paper Feed Unit1192
- Duplex Unit1193
- Bypass Unit1194
- Fusing Unit1195
- Paper Transfer / Paper Exit1196
- Air Flow1197
- Drive Unit1198
- Board / Switch1200
Scanning1201
- Changes from the Previous Machine1201
- Overview1201
  - Reading System1202
Scanner1203
- Operation Flowchart1205
- Scanner Carriage Storage Control1206
- Improved Tolerance to Black Lines When Paper Passes through ARDF/SPDF1209
- Difference between Non-Contact Transport and Contact Transport in DF Scanning1212
  - Anti-Condensation Heater1213
  - Image Processing1214
- Structural Block Diagram1215
- Mechanism1217
Laser Exposure1220
- Parts Construction1221
- Mechanism1222
- LD Safety Switch1223
- Line Scanning Mechanism1224
- Process Control1226
- Outline of the TD Sensor1227
- Result Code for Executing Process Control1228
- The Process Control Procedure1231
- Electrified Potential / Development Bias, Vref Correction1232
- LD Power Control1233
- Toner Supply Control1234
- Developer Initial Setting1234
- MUSIC (Automatic Color Registration Correction)1235
  - Executing MUSIC Manually1236
  - MUSIC Error Judgment1237
- Amplitude Control1238
  - Real Time Process Control1239
  - Timing of Judgment1239
- Ibacc1240
Toner Supply1251
- Mechanism1252
- Toner Supply (Toner Cartridge - Sub-Hopper)1252
- Paper Transfer Unit Mechanism1267
Paper Feed / Transport Section1270
- Overview1271
- By-Pass Feed Section1284
  - By-Pass Feed Paper Size Detection1285
    - By-Pass Feed Paper End Detection1285
    - By-Pass Paper Feeder Drive1285
- Duplex Section1286
- Paper Exit Unit1290
  - Paper Exit Full Detection/Paper Exit Jam Detection1292
- Drive/Sensor Layout1293
- Overview1301
- Mechanism1304
- Block Diagram1316
  - Board Outline1316
  - MSENS1 (Proximity Sensor), MSENS2 (Proximity Sensor Board)1317
- Feed Tray Dehumidifier Heater, Scanner/Pcdu Anti-Condensation Heater1318
- Exterior Cover/Air Flows (Fan Control)1320
- Overview1321
  - Mp C3004/C35041324
- Mechanism1327
  - Cooling of Actuator1328
  - Helmholtz Silencer1330
Energy Save1331
- Energy Saver Modes1331
- Setting Items that Are Related to Energy Saving1331
- Energy Saving Recvry. for Business Applicatn.1332
- Fusing Unit off Mode (Energy Saving) On/Off1332
- Recovery Time/Reduced Electrical Consumption1332
- Power States of this Machine1334
- Verification of up Time for each Energy Saving State1337
- 10 Second Recovery from Sleep Mode1339
- Recommendation1340
  - Proximity Sensor1341
  - Operation Modes1343
- Sensor Operation1343
  - User Tool1343
  - Related SC Codes1344
  - Related SP Code1344
  - Abbreviations1347
- General Specifications1355
- Machine Specifications1355
- Printer Specifications1358
- Scan Specifications1360
- HDD Specifications1363
- Other Specifications1363
- Speed Specifications1363
- OFF / Sleep Mode Shift Time1364
- Noise (Sound Power Level)1365
- Off/Sleep Mode Watts, Recovering Time1365
- Printer Drivers1366
- Software Accessories1366
- Scanner and LAN Fax Drivers1367
- Original Size Detection1368
- Supported Paper Sizes1368
- Paper Feed1370
- Tray 1 to 4, and the Side LCT1370
- Bypass Trays1374
- Main Unit Tray, 1 bin Tray, Inner Shit Tray, Side Tray1377
- Paper Exit1377
- Internal Finisher SR31301380
- Finisher SR3230/SR32401383
- Booklet Finisher SR32201387
- Bridge Unit1391
- Ardf Df3090 (D779-17, -21)1395
- Option Specifications1395
- Spdf Df3100 (D3B0-17, -21)1395
- Internal Finisher SR3130 (D690)1396
- Finisher Part Specifications1398
  - Stapler Unit Specifications1399
  - Preventive Maintenance Items1423
  - Yield Parts1423
  - Engine SP Mode Tables1431
  - Engine SP Tables-21567
  - Engine SP Tables-31753
  - Engine SP Tables-41807
  - Engine SP Tables-51834
  - Engine SP Tables-71872
  - Input and Output Check1905
  - Input Check Table1905
  - Main Machine, Paper Feed Tray1905
  - Output Check Table1933
  - Test Pattern Printing1956
  - Controller SP Mode Tables1959
  - Controller SP Tables-51959
  - Controller SP Tables-72032
  - Controller SP Tables-82059
  - Printer Service Menu2116
  - Scanner Service Menu2134
  - Auto PDL Detection Function2139
  - Conditions for Detection of the PDL2139
  - Printing Features2139
  - Software Configuration2139
  - Printer Bit Switch Description2143
  - Some Possible Problems2143
  - Print Images Rotation2144
  - Display Settings of Recently Used Scan Destination2148
  - Scanner Features2148
  - The Setting of SMTP Authentication in Scan to Email2149
  - The Qualification Switching of Scan to Folder2151

Ricoh MP C3004 - PSU Exhaust Fan (MP C4504;5504;6004)

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