Ricoh MP C2504 - PSU (AC Controller Board)

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4. Open the controller box [A].

5. HVP_TTS [A]

PSU (AC Controller Board)

• Turn off the main power switch and unplug the power cord before replacing the PSU.

• Do not touch the areas outlined in red in the following diagrams when replacing the PSU. Residual

charge on the board may cause electric shock.

4. Replacement and Adjustment

618

Main Page

Default Chapter3
- General Safety Instructions3
- Important Safety Notices3
- Warnings, Cautions, Notes3
- Prevention of Physical Injury4
- Safety4
- Switches and Symbols4
- Health Safety Conditions5
- Observance of Electrical Safety Standards5
- Safety and Ecological Notes for Disposal5
- Handling the Development Unit Cooling System6
- Handling Toner6
- Laser Safety7
- Batteries8
- Fuse8
- Safety Instructions for the Color Controller8
Symbols, Abbreviations and Trademarks10
- Symbols, Abbreviations10
- Trademarks11
- Table of Contents14
1 Product Information44
Product Overview44
- Component Layout44
- Paper Path46
- Drive Layout49
Machine Codes and Peripherals Configuration51
- Main Machine51
- Options53
- Diagram56
Specifications58
Installation Requirements60
- Environment60
- Machine Level61
- Machine Space Requirements61
- Machine Dimensions62
  - Model -27, -29, -65 (220-240 V)64
  - Model -17, -18 (120-127 V)64
- Power Requirements65
  - Input Voltage Level65
Main Machine Installation66
- Important Notice on Security Issues66
- Installation Flow Chart68
- Accessory Check69
- Installation Procedure70
- Image Quality Test/ Settings87
- Moving the Machine100
  - Cautions Upon Lashing102
  - Heater for Scanner104
Anti-Condensation Heater (Scanner, PCDU)104
- Accessory Check104
- Electrical Components105
- Installation Procedure106
- Anti-Condensation Heater (PCDU)117
Anti-Condensation Heater for Paper Feed Trays128
- Accessory Check128
  - Anti-Condensation Heater for Main Machine128
  - Anti-Condensation Heater for Optional Paper Feed Unit128
- Connecting to Main Machine Tray129
- Connecting to Paper Feed Unit PB3220/PB3210133
- Connecting to Paper Feed Unit PB3150135
Paper Feed Unit PB3220 (D787-18, -22)/ PB3210 (D787-17)138
- Accessory Check138
- Installation Procedure138
- Paper Feed Unit PB3150144
- Accessory Check144
- Installation Procedure144
- Caster Table Type M3149
- Accessory Check149
- Installation Procedure149
  - How to Place the MFP on the Caster Table150
  - How to Place the Paper Feed Unit PB3150 on the Caster Table151
  - Platen Cover PN2000152
- Accessory Check152
- Installation Procedure152
- Ardf Df3090155
- Accessory Check155
- Installation Procedure155
  - When Feeding Thin Paper160
  - Spdf Df3100161
- Accessory Check161
  - Attaching the SPDF162
- Installation Procedure162
  - Adjust SP Settings171
  - Bin Tray BN3110174
- Accessory Check174
- Installation Procedure175
  - Checking the Position of the Paper Exit Feeler181
  - Internal Shift Tray SH3070183
- Accessory Check183
- Installation Procedure183
  - Checking the Position of the Paper Exit Feeler186
  - Side Tray Type M3188
- Accessory Check188
- Installation Procedure189
Bridge Unit BU3070 (D685)196
- Accessory Check196
- Installation Procedure196
- Booklet Finisher SR3220204
- Accessory Check204
- Installation Procedure205
  - Attaching the Proof Support Tray213
Punch Unit PU3050214
- Accessory Check214
- Installation Procedure215
- Internal Finisher SR3130228
- Accessory Check228
- Installation Procedure229
- Punch Unit PU3040242
- Accessory Check242
- Installation Procedure243
- Internal Finisher SR3180250
- Accessory Check250
- Installation Procedure251
- Stapleless Stapler Initial Settings267
- Accessory Check269
- Installation Procedure269
- Imageable Area Extension Unit Type M19274
- Accessory Check274
- Installation Procedure274
  - When You Forgot to Change the SP276
  - External Keyboard Bracket Type M19278
- Accessory Check278
- Installation Procedure278
Internal Options284
- List of Slots284
USB Device Server Option Type M19 (D3BC-28,-29)285
- Accessory Check285
  - Interface Board Surface286
- Installation Procedure287
  - What Do the LED Indications Mean291
- IP Address Setting292
- Extended USB Board Type M19294
- Accessory Check294
- Installation Procedure294
- IEEE 1284 Interface Board Type M19296
- Accessory Check296
- Installation Procedure296
- IEEE 802.11Agn Interface Unit Type M19298
- Accessory Check298
  - Attaching the Boards299
- Installation Procedure299
  - Attaching the Antenna300
- User Tool Settings for IEEE 802.11A/G/N301
- SP Mode Settings for IEEE 802.11 Wireless LAN302
- File Format Converter Type M19304
- Accessory Check304
- Installation Procedure304
- Bluetooth Interface Unit Type D306
- Accessory Check306
- Installation Procedure306
- Memory Unit Type M19 4GB308
- Accessory Check308
- Installation Procedure308
- Enhanced Security HDD Option Type M12311
- Accessory Check311
- Installation Procedure311
  - After Installing the HDD315
  - Optional Counter Interface Unit Type M12317
- Accessory Check317
- Installation Procedure318
- Key Counter Bracket Type M3321
- Accessory Check321
- Installation Procedure321
- Card Reader Bracket Type 3352327
- Accessory Check327
- Installation Procedure328
  - Rear Cover331
  - NFC Card Reader Type M19332
- Accessory Check332
- Installation Procedure333
- Smart Card Reader Built-In Unit Type M19340
- Accessory Check340
- Installation Procedure340
  - Procedure for Connecting to the Main Machine USB Slot341
  - Procedure for Connecting to the Operation Panel USB Slot347
SD Card Options354
- SD Card Slots354
- List of Slots Used354
SD Card Appli Move356
- Overview356
- Move Exec358
- Undo Exec359
Postscript3 Unit Type M19 (D3BD-05, -06, -07)361
- Accessory Check361
- Installation Procedure361
- Camera Direct Print Card Type M19363
- Accessory Check363
- Installation Procedure363
XPS Direct Print Option Type M19 (D3BC-24, -25, -26)365
- Accessory Check365
- Installation Procedure365
- Searchable PDF Function Outline367
OCR Unit Type M13 (D3AC-23, -24, -25)367
- Accessory Check367
- Installation Procedure367
- Recovery Procedure369
Dataoverwritesecurity Unit Type M19 (D3BS-03)370
- Overview370
- Accessory Check370
- Before You Begin the Procedure371
  - Seal Check and Removal371
- Installation Procedure372
- Configuring "Auto Erase Memory" (Performed by the Customer)374
Remote Settings377
- Check Points before Making Remote Settings377
- Execute the Remote Settings377
- SP5-816-208 Error Codes379
- Error Caused by Response from GW URL380
Security Settings383
- Security Function Installation383
- Data Overwrite Security384
- HDD Encryption387
3 Preventive Maintenance398
PM Parts Settings398
- Replacement Procedure of the PM Parts398
  - Method 1: by SP3701398
  - Method 2: by [PM Counter / New Unit Set] Menu399
- After Installing the New PM Parts401
  - SP Descriptions401
- Preparation before Operation Check402
  - SP Descriptions402
- Operation Check403
PM Parts List404
4 Replacement and Adjustment406
Notes on the Main Power Switch406
- Push Switch406
Beforehand409
Special Tools410
Exterior Covers411
- Overview411
  - Front and Rear Side Covers411
  - Right and Left Side Covers412
  - Paper Exit Covers413
  - Inner Covers413
- Front Cover414
- Controller Cover415
- Upper Left Cover415
- Left Rear Cover416
- Left Cover417
- Order to Remove419
- Rear Cover420
- Rear Lower Cover421
- Right Rear Cover421
- Right Upper Cover422
- Front Upper Cover422
- Proximity Sensor (Human Detection Sensor)424
- Main Power Switch Cover425
- Waste Toner Cover426
- Inverter Tray427
- Paper Exit Tray428
- Paper Exit Lower Cover428
- Paper Exit Front Cover429
- Inner Upper Cover430
- Inner Lower Cover430
Smart Operation Panel432
- Operation Panel Unit432
- USB Cable435
- ADF Removal438
Scanner Unit441
- Before You Begin441
- Scanner Exterior441
- Exposure Glass443
  - Scanner Upper Cover443
- Scanner Carriage445
  - Cleaning the Scanner Carriage Mirror449
- Scanner Motor452
- APS Sensor454
- Scanner HP Sensor454
- Ardf/Platen Cover Sensor455
- Scanner FFC456
  - When Changing the FFC457
Laser Unit461
- Decal Location461
- Before Replacement462
- Removing462
- Installing a New Laser Unit463
- Adjustment after Replacing the Laser Unit464
- Polygon Mirror Motor465
  - Adjustment after Replacing the Polygon Mirror Motor466
- SP Descriptions466
Pcdu468
- Adjustment after Replacing the PCDU470
- Pcu/Development Unit471
  - Before Replacing a PCU471
    - Sps for Manual New Unit471
    - Sps for Charge Voltage Correction before Replacing PCU472
  - Before Replacing a Development Unit473
  - Replacement473
  - Notes for Assembling Pcu/Development Unit477
  - Method for Checking after Replacement477
- Imaging Temperature Sensor (Thermistor)478
  - Adjustment after Replacing the PCU And/Or the Development Unit478
- Waste Toner Bottle481
  - Before Replacing the Waste Toner Bottle481
  - Replacement481
- Image Transfer Belt Unit483
  - What to Do before Replacing the Image Transfer Belt484
  - Replacement484
- Image Transfer Cleaning Unit487
  - What to Do before Replacing the Image Transfer Cleaning Unit488
  - Replacement489
- Image Transfer Belt492
  - Attaching the Belt495
  - Adjustment after Replacing the Image Transfer Belt499
- Paper Transfer Roller500
  - When Reinstalling the Paper Transfer Roller501
- Paper Transfer Roller Unit504
  - What to Do before Replacing the Paper Transfer Roller Unit504
  - Before Replacing the TM/ID Sensor507
  - Fusing Entrance Sensor507
  - TM/ID Sensor507
  - Replacement Procedure509
  - Adjustment after Replacing the TM/ID Sensor511
  - Procon Results Code511
- Temperature and Humidity Sensor513
- ITB Contact and Release Sensor514
- Image Transfer Lock Unit515
  - Installing the Image Transfer Lock Unit517
  - Drive Unit520
- Paper Feed Motor521
  - Transport Motor521
  - Paper Transfer Contact and Release Motor Unit521
- Imaging Drive Unit522
- PCU Motor: CMY523
- Development Motor: CMY524
- Development Solenoid525
- PCU Motor: Black / ITB Drive Motor526
- Registration Motor527
- Fusing Motor528
- Paper Exit/ Pressure Release Motor529
  - Duplex Entrance Motor529
  - Toner Supply Motor530
- Sub Hopper531
- Toner End Sensor538
- Toner Bottle Drive Motor539
- ID Chip Contact Board541
- Transport Coil Unit544
- Fusing Unit550
- Fusing Entrance Guide Plate551
  - Cleaning the Fusing Entrance Guide Plate552
  - Fusing Exit Guide Plate552
  - Cleaning the Fusing Exit Guide Plate553
  - Fusing Upper Cover553
- Fusing Lower Cover554
- Fusing Sleeve Belt Unit555
  - Adjustment before Replacing the Fusing Sleeve Belt Unit556
    - Pressure Roller559
    - Adjustment before Replacing the Pressure Roller559
- Fusing Sleeve Thermostat Unit561
- Non-Contact Thermistor562
- Pressure Roller Thermistor563
- Thermopile Unit563
- Pressure Roller HP Sensor564
- Fusing Exit Drive Solenoid565
- Paper Exit Unit566
- Paper Exit Solenoid566
- Paper Exit Sensor567
- Reverse Sensor569
- Reverse Motor570
- Fusing Exit Sensor571
  - 1St Paper Feed Unit573
  - 2Nd Paper Feed Unit575
- Paper Dust Collection Unit577
- Pick-Up Roller, Paper Feed Roller, Separation Roller, Torque Limiter577
- 1St Tray Lift Motor/ 2Nd Tray Lift Motor580
- Transport Sensor581
- Upper Limit Sensor582
- Paper End Sensor582
- Registration Sensor583
Bypass Tray Unit585
- Bypass Paper End Sensor588
- Bypass Pick-Up Roller590
- Bypass Paper Feed Roller590
- Bypass Separation Roller/Torque Limiter590
- Bypass Width Sensor592
- Bypass Length Sensor596
Duplex Unit600
- Duplex/Bypass Motor601
- Duplex Entrance Sensor602
- Duplex Exit Sensor604
- Printed Circuits/Parts Inside the Controller Box606
Electrical Components606
- Printed Circuits Behind the Controller Box607
- Printed Circuit/Parts Inside the Power Box608
- Controller Box Cover609
- Controller Board613
  - Replacing the Nvrams on the Controller Board615
  - Adjustment after Replacement623
- Imaging IOB624
- Hvp_Tts626
- PSU (AC Controller Board)627
- PSU (DC Power)628
- Power Supply Box629
- Paper Transport IOB630
- Hvp-Cb631
- HVP-CB with Bracket631
- Proximity Sensor (Human Detection Sensor) Board633
Fans/Filters634
- Adjustment before Replacing the Dust Filter634
- Ozone Filter/Dust Filter634
- Deodorization Filter635
- Development Intake Fan636
- Ozone Exhaust Fan637
- Paper Exit Cooling Fan637
- Fusing Exhaust Fan638
- Toner Supply Cooling Fan639
- PSU Cooling Fan640
- Controller Box Cooling Fan641
Image Adjustment642
- About the Printer ACC642
- Auto Color Calibration642
- Issues Cannot be Solved by the Printer ACC643
- Issues Possibly Solved by the Printer ACC643
- Scanning643
- Scanner Leading Edge and Side-To-Side Registration644
- Scanner Sub-Scan Magnification644
  - Ardf645
  - ARDF Side-To-Side, Leading Edge Registration and Trailing Edge645
- ARDF Sub-Scan Magnification646
- Adjustment Standard647
  - Erase Margin Adjustment647
  - Paper Registration Standard647
- Adjusting the Tone of the Printed Image648
- Adjustment by Changing the Printer Driver Setting649
- Printer Gamma Correction659
5 System Maintenance674
Service Program Mode674
- Entering SP Mode674
- Exiting SP Mode675
- Types of SP Modes675
- Remarks679
- Others679
- The Following Symbols Are Used in the SP Mode Tables680
SP Tables681
Firmware Update (SD Card)682
- Firmware Type682
- Overview682
- Procedure684
- Error Screens During Updating689
Firmware Update (Remote Firmware Update)695
- RFU Performable Condition695
- Types of Firmware Update Files, Supported Update Methods695
Firmware Update (Smart Firmware Update)696
- Overview696
  - Package Firmware Update Via a Network: SFU (Smart Firmware Update)696
  - Package Firmware Update Via an SD Card696
- Immediate Update697
- Update at the Next Visit (Reserve)700
- Update Via SD Card707
Firmware Update (Auto Remote Firmware Update)710
- Function Overview710
- Downloading and Updating Process711
- Related SP717
- Numbers Set for the Result History for SP7-520-051 to 060719
Updating Javavm722
- Creating an SD Card for Updating722
  - Updating Procedure722
  - List of Error Messages723
NVRAM Data Upload/Download725
- Uploading Content of NVRAM to an SD Card725
- Downloading an SD Card to NVRAM726
Address Book Upload/Download727
- Information List727
- Upload728
Capturing the Device Logs729
- Overview729
- Retrieving the Device Logs Via Operation Panel731
  - Security of the Operation Log731
  - Procedure for Retrieving the Device Log with SD Card731
- Retrieving the Device Logs Via Web Image Monitor734
- The Device Logs Are Saved with the Following File Names737
SMC List Card Save Function738
- Overview738
- Procedure738
- File Names of the Saved SMC Lists740
- Error Messages741
- UP Data Import/Export742
  - Data that Can be Imported and Exported742
  - Data that Cannot be Imported or Exported742
UP/SP Data Import/Export742
- Exporting Device Information743
- Importing Device Information744
- SP Data Import/Export745
- Possible Solutions for Import/Export Problems748
Card Save Function751
- Overview751
- Procedure751
- Error Messages754
6 Troubleshooting756
Self-Diagnostic Mode756
- SC Automatic Reboot756
- Controller Self-Diagnosis Outline759
- Detailed Self-Diagnosis – Method759
- Controller Self-Diagnosis Flowchart760
- HDD-Related Message763
- Message List763
Service Call Conditions765
- Summary765
- List of Automatic Reboot Target SC766
- SC Code Classification777
Service Call 101-195779
- SC100 (Engine: Scanning)779
Service Call 202-285793
- SC200 (Engine: Image Writing)793
Service Call 312-396801
- SC300 (Engine: Charge, Development)801
Service Call 441-498810
- SC400 (Engine: Around the Drum)810
Service Call 501-584816
- SC500 (Engine: Paper Transport 1: Paper Feed, Duplex, Transport)816
- SC500 (Engine: Fusing)828
Service Call 620-687862
- SC600 (Engine: Communication and Others)862
  - SC681 Details883
  - SC682 Details885
- SC600 (Controller)886
Service Call 700-792899
- SC700 (Engine: Peripherals)899
Service Call 816-899924
- SC800 (Controller)924
- Trusted Platform Module964
Service Call 900-998967
- SC900 (Engine: Others)967
- SC900 (Controller)969
Troubleshooting for SC Errors975
- When SC285-02 (MUSIC Error) Is Displayed975
  - Causes975
  - Solutions976
- When SC370 (TM (ID) Sensor Calibration Error) Is Displayed979
- When SC501, SC502, SC503, or SC504 (Paper Tray Error) Is Displayed981
  - Solutions981
- When SC544-02, SC554-02 (Non-Contact Thermistor High Temperature Detection) Is Displayed982
  - How to Clear SC544-02/SC554-02 with a New Unit Detection Fuse984
- Isolation Diagram of SC663, 664, 665, 667, 668, and 670-01985
- When SC670 (Engine Start up Error) Is Displayed986
  - Causes986
  - Solutions986
- When SC672 (Controller Start up Error) Is Displayed987
When Abnormal Noise Occurs1002
- Procedure of Checking Abnormal Noise of Drive Unit (Peripheral Fusing)1002
- Operation Check Procedures of the Toner Supply Motor/Toner Bottle Drive Motor1004
Jam Detection1006
- Jam Display1006
- Clearing a Paper Jam1006
- Paper Jam History1007
  - History Checking Method1007
  - Paper Jam Display1007
- Jam Codes and Display Codes1007
- Paper Size Code1015
- Sensor Locations1016
Troubleshooting for Transport/Paper Feeding of the Machine1017
- Curled Paper1017
- Display Error1044
Troubleshooting for Finishing Options1053
- Finisher Registration Adjustment for Booklet Finisher SR32201053
- Early Tray Full Detection Mylar for Internal Finisher SR31301056
- Finisher Jogger Problem (for Booklet Finisher SR32201056
- Pasting the Mylar1057
- Paper Curl Problem for SR31801060
- Maximum Number of Sheets for Stapling and What Happens When the Job Has too Many1063
- Specifications: Maximum Sheet Capability for Staple Jobs1063
Electrical Component Defects1066
- Fuses1066
- Fuse Position1067
Vertical Streaks on Copies Due to Scanning Problems1069
- Overview1069
  - Converting the ARDF DF3090 to Contact Scanning1070
  - Converting the SPDF3100 to Contact Scanning1073
Image Quality Problems1077
- Misjudgment for Auto Color Selection (Copy/Scanner)1077
- Misjudgment for Auto Color Selection (E.g. When Using Paper Which Has a Strong Blue Component)1079
- When an Abnormal Image Is Generated1080
Other Troubleshooting1082
- When Fluorescent/ LED Lamps Flicker1082
7 Detailed Descriptions1086
Guidance for those Who Are Familiar with Predecessor Products1086
- Changes from the Previous Machine1086
Component Layout1095
- Scanner Unit1095
- Laser Exposure Unit1096
- Image Transfer Unit1097
- Pcdu1098
- Toner Supply / Waste Toner Bottle1099
- Paper Feed Unit1100
- Duplex Unit1101
- Bypass Unit1102
- Fusing Unit1103
- Paper Transfer / Paper Exit1104
- Air Flow1105
- Drive Unit1106
- Board / Switch1107
Scanning1108
- Overview1108
- Mechanism1109
- Mechanism1125
- Process Control1129
- MUSIC (Automatic Color Registration Correction)1136
- Real Time Process Control1139
- Ibacc1140
- Paper Transfer Unit Mechanism1165
Paper Feed/ Transport Section1168
- Paper Feed/ Transport Part1168
- Tray Base Plate Lift1169
- Paper Feed Mechanism1171
- Paper Feed Transport Mechanism1173
- Paper Size Detection1173
- Remaining Paper Detection1175
- Paper End Detection1176
- Paper Supply Drive1177
- Paper Dust Removal Mechanism1179
- Bypass Feed Section1181
- Duplex Section1183
  - Transport Inversion Mechanism1183
  - Duplex Drive1184
    - Interleave Mechanism1184
    - 3-Sheet Interleaving1185
- Paper Exit Unit1186
  - Paper Exit Full/ Paper Exit Jam Detection1188
- Drive/Sensor Layout1189
- Mechanism1198
- Anti-Condensation Heater for Scanner, PCDU, and Paper Feed Tray1210
- Circuit Configuration1210
Exterior Cover/ Air Flows (Fan Control)1211
- Imaging System (Front)1211
- Imaging System (Rear)1212
- Electric System1213
- Cooling of Fusing Parts1214
- Cooling of PCDU Parts1214
- Cooling of PSU1214
- Cooling of Toner Supply Parts1214
- Mechanism1214
  - Crisis Management When Temperature Rises in the Machine1215
    - Overview of Cooling Operation in the Machine1215
    - Cooling Operation During Output1215
  - Helmholtz Silencer1216
  - Recovery Time/ Reduced Electrical Consumption1219
    - Fusing Unit off Mode (Energy Saving) On/Off1219
    - Energy Saving Recvry. for Business Application.1219
- Power States of this Machine1221
- Checking the up Time by Device State1224
- Verification of up Time for each Energy Saving State1224
- Recommendation1226
  - Proximity Sensor (Human Detection Sensor)1227
  - Operation Modes1228
  - Sensor Operation1228
  - Related SC Codes1229
  - User Tool1229
  - Related SP Code1230
  - Abbreviations1236
- General Specifications1244
- Machine Specifications1244
- Printer Specifications1246
- Scan Specifications1248
- HDD Specifications1250
- Other Specifications1250
- Speed Specifications1251
- Noise (Sound Power Level)1252
- OFF/ Sleep Mode Shift Time1252
- OFF/ Sleep Mode Watts, Recovering Time1252
- Printer Drivers1253
- Software Accessories1253
- Scanner and LAN Fax Drivers1254
- Original Size Detection1255
- Supported Paper Sizes1255
- Paper Feed1257
- Tray 1 to 41257
- Bypass Tray1260
- Main Unit Tray, 1 bin Tray, Inner Shit Tray, Side Tray1264
- Paper Exit1264
- Internal Finisher SR31301267
- Booklet Finisher SR32201270
- Bridge Unit1274
- Option Specifications1278
- Paper Feed Unit PB3150 (D694)1278
- Paper Feed Unit PB3220/PB3210 (D787)1278
- Ardf Df3090 (D779-17, -21)1279
- Spdf Df3100 (D3B0-17, -21)1279
- Side Tray Type M3 (D725)1281
  - Finisher Part Specifications1285
  - Stapler Unit Specifications1285
  - Punch Unit PU3040 NA/EU/SC1286
  - Punch Unit PU3050 NA/EU/SC1292
  - Mainframe1296
  - Preventive Maintenance Items1296
  - 1 Bin Tray BN31101301
  - Booklet Finisher Sr3220/Punch Unit PU30501302
  - Internal Shift Tray SH30701302
  - Side Tray Type M31302
  - Engine SP Mode Tables1304
  - Engine SP Tables - SP1000-11304
  - SP1-XXX (Feed)1304
  - SP1-XXX (Fusing)1309
  - Engine SP Tables - SP1000-21376
  - SP1-XXX (Drive, Fan)1376
  - Engine SP Tables - SP2000-11392
  - SP2-XXX (Drum)1392
  - Engine SP Tables - SP2000-21464
  - Engine SP Tables - SP30001552
  - SP3-XXX (Process)1552
  - Engine SP Tables - SP40001601
  - SP4-XXX (Scanner)1601
  - Engine SP Tables - SP50001629
  - SP5-XXX (Mode)1629
  - Engine SP Tables - SP60001635
  - SP6-XXX (Peripherals)1635
  - Engine SP Tables - SP70001650
  - SP7-XXX (Data Log)1650
  - Input and Output Check1683
  - Input Check Table1683
  - Main Machine, Paper Feed Tray1683
  - Adf1697
  - Finisher1700
  - Output Check Table1710
  - Test Pattern Printing1730
  - Controller SP Tables - SP50001732
  - Controller SP Tables - SP70001804
  - Controller SP Tables - SP80001830
  - SP8-XXX (Data Log 2)1830
  - Keys and Abbreviations in Data Log 21831
  - Printer Service Menu1887
  - SP1-XXX (Service Mode)1887
  - Scanner Service Menu1905
  - SP1-XXX (System and Others)1905
  - SP2-XXX (Scanning-Image Quality)1907
  - Auto PDL Detection Function1910
  - Conditions for Detection of the PDL1910
  - Printing Features1910
  - Software Configuration1910
  - PDL Selection and Switching1911
  - Printer System1913
  - Triggers1913
  - Printer Bit Switch Description1914
  - Some Possible Problems1914
  - Print Image Rotation1915
  - Pjl Ustatus1916
  - Display Settings of Recently Used Scan Destination1919
  - Scanner Features1919
  - The Setting of SMTP Authentication in Scan to Email1920
  - Typical Example1920
  - The Qualification Switching of Scan to Folder1922

Ricoh MP C2504 - PSU (AC Controller Board)

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