Ricoh MP C2504 - Ardf;Platen Cover Sensor

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2. Slide the scanner carriage [A] in the direction of the arrow.

3. Scanner HP Sensor [A] (Hook x 3)

ARDF/Platen Cover Sensor

1. Scanner upper cover (page 434)

4. Replacement and Adjustment

446

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 - Ardf;Platen Cover Sensor

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