Ricoh D147 - Image Quality; When an Abnormal Image Is Generated

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Image Quality

D146/D147/D148/D149/D150 5-218 SM

5.13 IMAGE QUALITY

5.13.1 WHEN AN ABNORMAL IMAGE IS GENERATED

Main Page

Table of Contents6
Laser Safety21
Product Information24
Product Overview26
Component Layout26
Scanner Unit26
Product Information26
Laser Exposure Unit28
Image Transfer Unit29
Pcdu30
Toner Supply / Waste Toner Bottle31
Paper Feed Unit32
Duplex Unit33
By-Pass Unit34
Fusing Unit35
Paper Transfer / Paper Exit36
Air Flow37
Drive Unit38
Board / Switch39
Paper Path40
Drive Layout43
Machine Codes and Peripherals Configuration45
Diagram45
D146/D147 Options (Mainly North America)45
D146/D147 Options (Mainly Europe and Asia)48
D148D149 Options (Mainly North America)51
D148/D149 Options (Mainly Europe and Asia)54
D150 Options (Mainly North America)57
D150 Options (Mainly Europe and Asia)60
Specifications63
Guidance for those Who Are Familiar with Predecessor Products64
Differences from Predecessor64
Scan, LD Unit, Paper Feed Unit64
Duplex, Driving, Main Frame65
Pcdu65
Toner Supplement, Image Transfer66
Fusing67
Electrical Component68
Important Notice for Machine69
Installation70
Installation Requirements72
Environment72
Machine Level73
Machine Space Requirements73
Machine Dimensions74
Power Requirements75
Input Voltage Level75
Main Machine Installation76
Installation Flow Chart76
Accessory Check77
Installation Procedure78
Removal of Packing Materials and Shipping Retainers / Removal of PCDU Seal78
For Machines with Preinstalled SPDF: Removal of Protective Sheet85
Toner Bottle Installation85
Attaching Paper Output Tray Parts87
Attaching the Decals87
Connecting the Power Cord87
Image Quality Test / Settings88
Image Quality Test88
Checking the Copy Image with the Test Chart88
Paper Setting88
Security Function Installation88
Moving the Machine96
Transporting the Machine96
Main Frame96
Paper Feed Unit Pb316097
Accessory Check97
Installation Procedure97
Paper Feed Unit Pb3150101
Accessory Check101
Installation Procedure101
Lcit Pb3170104
Accessory Check104
Changing the Paper Size107
Accessory Check110
Installation Procedure110
Lcit Rt3030110
Changing the Paper Size114
Caster Table Type M3116
Accessory Check116
Installation Procedure116
Platen Cover Pn2000118
Accessory Check118
Installation Procedure119
Ardf Df3090121
Accessory Check121
Installation Procedure122
When Feeding Thin Paper125
Spdf Df3080126
Accessory Check126
Installation Procedure127
Attaching the SPDF127
Attaching the Sub IPU / Replacing the BCU130
Set Serial Number on New BCU137
Adjust SP Settings137
Bridge Unit Bu3070139
Accessory Check139
Installation Procedure139
Bin Tray Bn3110144
Accessory Check144
Installation Procedure144
Internal Shift Tray Sh3070150
Accessory Check150
Installation Procedure150
Side Tray Type M3154
Accessory Check154
Installation Procedure155
Booklet Finisher Sr3170 (D688)/ Finisher Sr3160 (D689)158
Auxiliary Tray164
Punch Unit Pu3060165
Accessory Check165
Installation Procedure166
Booklet Finisher Sr3150 / Finisher Sr3140175
Installation Procedure176
Punch Unit Pu3050182
Accessory Check182
Installation Procedure182
Internal Finisher Sr3130192
Accessory Check192
Installation Procedure193
Punch Unit Pu3040201
Installation Procedure207
Key Counter Bracket Type M3207
Installation Procedure209
Optional Counter Interface Unit Type a209
Key Counter209
Internal Options211
List of Slots211
D148/D149/D150211
D146/D147212
Ieee 1284 Interface Board Type a213
Installation Procedure215
Ieee 802.11A/G/N Interface Unit Type M2215
Accessory Check215
Attaching the Boards216
Attaching the Antenna217
Settings217
Check the Connection of the Wireless LAN Interface217
Bluetooth Interface Unit Type D219
Accessory Check219
Installation Procedure221
File Format Converter Type E221
Accessory Check221
Data Overwrite Security Unit Type H (D377)/ I (D362)223
Overview223
Component List223
Before You Begin the Procedure224
Seal Check and Removal225
Installation Procedure226
Configuring "Auto Erase Memory227
Customer)227
Copy Data Security Unit Type G230
Accessory Check230
Installation Procedure230
Settings (to be Done by the User)232
Equipment Administrator Settings232
Imageable Area Extension Unit Type M3233
When You Forgot to Change the SP236
Searchable Pdf Function Outline237
Ocr Unit Type M2237
Installation Procedure238
Recovery Procedure240
Sd Card Option241
Sd Card Slots241
List of Slots Used241
Sd Card Appli Move242
Overview242
Move Exec243
Undo Exec245
Browser Unit Type M4/M3246
Accessory Check246
Installation Procedure246
To Update EXJS249
When Checking the Version of EXJS251
Browser Unit Uninstallation Procedure251
Settings252
Browser Default Setting252
Sd Card for Netware Printing Type M4/M3253
Accessory Check253
Installation Procedure263
Accessory Check269
Installation Procedure269
Accessory Check274
Installation Procedure274
Installation Procedure277
Accessory Check277
Preventive Maintenance281
Pm Parts Settings283
Replacement Procedure of the Pm Parts283
After Installing the New Pm Parts284
Preparation before Operation Check285
Operation Check285
Image Quality Standards286
Resolution286
Color Shift286
Magnification Ratio Error Margin287
Magnification Ratio Error Margin Deviation288
Pitch Error Margin288
Perpendicularity288
Linearity289
Parallelism289
Missing Image Area (D135/D136)290
Margin Position290
Paper Transfer Quality Standards291
Registration291
Skew291
Exposure Glass291
Adf292
Replacement and Adjustment293
Notes on the Main Power Switch295
Push Switch295
Characteristics of the Push Switch (DC Switch)295
Shutdown Method296
Forced Shutdown296
Beforehand297
Special Tools298
Exterior Covers299
Front Cover299
Controller Cover300
Upper Left Cover301
Left Rear Cover302
Left Cover302
Rear Cover304
Rear Right Cover305
Rear Lower Cover305
Scanner Rear Cover305
Scanner Rear Cover (Small)306
Right Rear Cover306
Right Upper Cover307
Main Power Switch Cover307
Waste Toner Cover308
Reverse Tray308
Paper Exit Tray309
Paper Exit Cover309
Paper Exit Lower Cover310
Paper Exit311
Inner Upper Cover312
Inner Lower Cover312
Controller Unit313
Operation Panel313
Board a314
Board B315
Board C316
Lcd Panel316
Lcd317
Notes When Replacing the LCD317
Replacement Procedure319
Scanner Unit321
Scanner Exterior321
Scanner Upper Cover321
Scanner Right Cover321
Scanner Front Cover322
Scanner Left Cover322
Exposure Glass323
Exposure Lamp (Led)324
Scanner Motor325
Lens Block327
Original Size Sensor328
Sio328
Scanner Hp Sensor329
Df Position Sensor330
Adjusting the Scanner Wire331
Scanner Wire (Front)331
Scanner Wire Assembly (Front Side)333
Scanner Position Adjustment335
Scanner Wire (Rear)336
Scanner Wire Assembly (Rear Side)339
Modifying the Scanner (Contact/Contactless) When Using Ardf339
Procedure for the ADF339
Procedure for the Scanner342
Modifying the Scanner (Contact/Contactless) When342
Procedure for the SPDF342
Procedure for the Scanner344
Laser Unit345
Before Replacement346
Removing346
Installing a New Laser Unit347
Adjustment after Replacing the Laser Unit348
Polygon Motor349
Adjustment after Replacing the Polygon Motor350
Imaging Temperature Sensor (Thermistor)350
Pcdu351
Notes When Replacing a Pcdu351
D146/D147/ D148351
D149/D150351
Pcdu352
Adjustment before Replacing the PCDU352
Replacement353
Pcu/Development Unit355
Before Replacing a PCU or Development Unit355
Replacement355
Precautions When Joining the PCU and the Development Unit357
Check Procedure after Replacing357
Waste Toner358
Replacement358
Adjustment after Replacing358
Image Transfer Unit359
Image Transfer Belt Unit359
Adjustment before Replacing the Image Transfer Belt Unit359
Replacement359
Image Transfer Cleaning Unit362
Adjustment before Replacing the Image Transfer Cleaning Unit362
Replacement362
Image Transfer Belt364
Adjustment after Replacing the Image Transfer Belt366
Paper Transfer Roller367
Paper Transfer Roller Unit367
Adjustment before Replacing the Paper Transfer Roller Unit367
Replacement367
Paper Transfer Exit Sensor370
Tm (ID) Sensor370
Before Replacing the TM(ID) Sensor370
Replacement Procedure372
Adjustment after Replacing the TM(ID) Sensor373
Temperature and Humidity Sensor374
Drive Unit375
Overview375
Paper Feed Motor376
Transport Motor376
Transfer Motor Unit377
Imaging Drive Unit379
Pcu Motor: Cmy380
Development Motor: Cmy380
Development Motor: Black381
Pcu: Black / Image Transfer Motor381
Registration Motor381
Fusing Motor382
Paper Exit / Pressure Release Motor382
Duplex Entrance Motor383
Toner Transport Motor384
Sub Hopper384
Toner End Sensor388
Toner Bottle Drive Motor389
ID Chip391
Fusing Unit393
Replacement393
Fusing Entrance Guide Plate394
Cleaning the Fusing Entrance Guide Plate394
Fusing Exit Guide Plate395
Cleaning the Fusing Exit Guide Plate395
Fusing Upper Cover396
Fusing Lower Cover396
Fusing397
Fusing Rear Cover397
Heating Sleeve Belt Unit398
Replacement398
Pressure Roller399
Adjustment before Replacing the Pressure Roller399
Replacement399
Thermostat Unit401
Nc Sensor Unit402
Fusing Thermistor402
Fusing Thermopile Unit403
Pressure Roller Hp Sensor403
Fusing Shield Position Sensor404
Fusing Shield Drive Motor405
Paper Exit406
Paper Exit Unit406
Paper Exit Switching Solenoid406
Paper Exit Sensor407
Reverse Sensor408
Paper Exit Full Sensor409
Reverse Motor409
Fusing Exit Sensor410
Paper Feed411
Paper Feed Unit411
1St Paper Feed Unit411
2Nd Paper Feed Unit412
Paper Dust Collection Unit414
Pick-Up Roller, Paper Feed Roller, Separation414
Roller, Torque Limiter414
Paper Feed Solenoid416
Paper Feed Sensor417
Vertical Transport Sensor418
Limit Sensor419
Paper End Sensor419
Registration Sensor420
By-Pass Tray Unit421
By-Pass Tray421
By-Pass Paper End Sensor423
By-Pass Pick-Up Roller424
By-Pass Paper Feed Roller424
By-Pass Separation Roller425
Torque Limiter425
By-Pass Tray Side Fence (D150 Only)426
Duplex Unit428
Duplex Unit429
Duplex/By-Pass Motor430
Duplex Entrance Sensor431
Duplex Jam Processing Led433
Duplex Exit Sensor433
Double Feed Sensor (D150 Only)434
Electrical Components436
Overview436
Printed Circuits/Parts Inside the Controller Box436
Printed Circuits Behind the Controller Box437
Printed Circuit/Parts Inside the Power Box437
Printed Circuits Behind the Power Box438
Ipu Sub (Spdf Only)438
Ipu439
Bcu441
Replacing the NVRAM (EEPROM) on the BCU441
Controller Board442
Nvrams on the Controller Board443
Hdd444
Adjustment after Replacement445
Cpu Cooling Fan445
Imaging Iob445
Hvp_Tts446
Psu (Ac Controller Board)447
Psu (DC Power)447
Paper Transport Iob448
Hvp-Cb449
Fans/Filters450
Ozone Filter/Dust Filter450
Adjustment before Replacing the Dust Filter450
Replacement450
Odor Filter451
Development Intake Fan/Right452
Development Intake Fan/Left453
Ozone Exhaust Fan453
Paper Exit Cooling Fan454
Fusing Exhaust Heat Fan454
Drive Cooling Fan (D148/D149/D150)455
Main Exhaust Fan (D148/D149/D150)456
Toner Supply Cooling Fan457
D148/D149/D150457
D146/D147458
Psu Cooling Fan459
Psu Exhaust Heat Fan (D148/D149/D150)460
Power Box Cooling Fan460
Image Adjustment461
Scanning461
Scanner Sub-Scan Magnification461
Scanner Leading Edge and Side-To-Side Registration461
Ardf462
ARDF Side-To-Side, Leading Edge Registration and Trailing Edge462
ARDF Sub-Scan Magnification463
Registration463
Image Area463
Leading Edge463
Side to Side463
Adjustment Standard463
Paper Registration Standard463
Adjustment Procedure464
Erase Margin Adjustment465
Color Registration465
Line Position Adjustment465
Printer Gamma Correction466
Copy Mode466
Printer Mode470
Troubleshooting473
Self-Diagnostic Mode475
Service Call Codes475
Service Call Conditions475
SC Logging476
SC Automatic Reboot476
Controller Self-Diagnosis Outline479
Controller Self-Diagnosis Flowchart480
Sc100 (Engine: Scanning)484
Service Call 101-195484
Sc200 (Engine: Image Writing)496
Service Call 201-285496
Sc300 (Engine: Charge, Development)502
Service Call 312-396502
Sc400 (Engine: Around the Drum)507
Service Call 441-498507
Sc500 (Engine: Paper Transport 1: Paper Feed, Duplex, Transport)515
Service Call 501-584515
Sc600 (Engine: Communication and Others)558
Service Call 620-689558
Sc600 (Controller)565
Sc700 (Engine: Peripherals)577
Service Call 700-792577
Sc800 (Controller)600
Service Call 900-998600
Service Call 816-899600
Sc900 (Engine: Others)663
Sc900 (Controller)665
Jam Detection673
Jam Display673
Paper Jam Display673
Jam Codes and Display Codes674
Paper Size Code686
Sensor Locations687
Electrical Component Defects688
D148/D149/D150688
D146/D147689
Fuse Position690
Image Quality692
When an Abnormal Image Is Generated692
Energy Save693
Energy Saver Modes695
Timer Settings695
Return to Stand-By Mode696
Recommendation696
Energy Save Effectiveness697
Paper Save698
Effectiveness of Duplex/Combine Function698
Service Program Mode706
Enabling and Disabling Service Program Mode708
Entering Sp Mode708
Exiting Sp Mode708
Types of Sp Modes709
Sp Mode Button Summary709
Switching between Sp Mode and Copy Mode for Test Printing710
Selecting the Program Number711
Exiting Service Mode711
Service Mode Lock/Unlock712
Remarks713
Others716
Remarks716
Sp Mode Tables718
Service Table Key720
Main Sp Tables-6721
Main Sp Tables-1722
Main Sp Tables-2-1865
Sp2-005 to 2-473 (Drum)865
Main Sp Tables-7968
Main Sp Tables-81068
Sp8-XXX (Data Log 2)1457
Keys and Abbreviations in Data Log 21458
Printer Sp Mode1517
Sp1-XXX (Service Mode)1517
Scanner Sp Mode1533
Sp1-XXX (System and Others)1533
Sp2-XXX (Scanning-Image Quality)1536
Input and Output Check1538
Input Check Table1540
Output Check Table1570
Test Pattern Printing1594
Updating the Firmware1598
Overview1600
Firmware Type1601
Procedure1602
Update Procedure1603
Error Screens During Updating1608
Updating the VM Firmware1610
Creating an Sd Card for Updating1612
Updating Procedure1613
List of Error Messages1614
Updating the Exjs1616
To Update Exjs1618
When Checking the Version of Exjs1620
Uploading/Downloading Nv-Ram Data1624
Outline1624
Upload to Sd Card from Nv-Ram1625
Download to Nv-Ram from Sd Card1626
Address Book Upload/Download1628
Backup1630
Restore1631
Specification1632
Rfu Updating the Firmware1634
Rfu Updating the Firmware1636
Capturing the Debug Logs1638
Overview1640
Security of the Operation Log1641
Retrieving the Debug Logs1642
Procedure for Retrieving the Debug Log1643
Appendices: Specifications1649
Specifications1649
General Specifications1651
Printer Specifications1655
Scan Specifications1657
Other Specifications1659
HDD Specifications1659
Speed Specification1660
OFF / Sleep Mode Shift Time1661
Off/Sleep Mode Watts, Recovering Time1662
Noise (Sound Power Level)1662
Supported Paper Sizes1663
Original Size Detection1663
Paper Feed1665
Tray 1 through 31665
LCT, Bypass Trays1669
Paper Exit1673
Main Unit Tray, 1 bin Tray, Inner Shit Tray, Side Tray1673
Finisher 11676
Finisher 21679
Finisher 31686
Bridge Unit1694
Software Accessories1698
Printer Drivers1698
Scanner and Lan Fax Drivers1699
Optional Equipment1700
Ardf Df2020 (D684)1700
Spdf Df3080 (D683)1701
Internal Finisher Sr3130 (D690)1702
Preventive Maintenance Items1725
Installation1738
Installation Procedure1738
Replacement and Adjustment1740
Operation Panel Unit1740
Operation Panel1740
Pcb-L1741
Lcd1743
Pcb-R1744
Lcd Panel1745
Speaker 21746
Mechanism1747
Overview1747
System Components1747
Specification1747
Available Languages1748
Appearance/Screen Layout1749
LED Specification1750
Screen Layout1751
Electrical Components1752
Power Supply Control1753
Energy-Save Recovery Operation1753
Screen Startup Mode1754
Special Shutdown1755
System Maintenance1756
Basic Operation1756
Settings Menu List1764
Symbols and Abbreviations1774
Conventions Used in this Manual1774
Installation1777
Fax Option Type M4 (D167)1777
Component Check1777
Installation Procedure1778
Fax Icon Addition1781
Fax Option Type M3 (D163)1783
Component Check1783
Installation Procedure1784
Fax Icon Addition1787
G3 Interface Unit Type M4 (D167)1789
Component Check1789
Installation Procedure1790
For Installing the Single G3 Board1790
For Installing the Double G3 Boards1792
G3 Interface Unit Type M3 (D163)1796
Component Check1796
Installation Procedure1796
For Installing the Single G3 Board1797
For Installing the Double G3 Boards1799
Fax Unit Options1804
Memory Unit (G578)1804
For D148/D149/D150 Models1804
For D146/D147 Models1805
Handset (D645)1807
Remote Fax Installation1811
Installation Procedure1811
Installing the Application1811
Registering the Remote Machine1812
Registering the Client-Side Machine(S)1813
Configuring the Remote Reception Settings1813
Remote Fax Icon Addition for Remote Machine1814
Replacement and Adjustment1817
Fcu1817
Sram Data Transfer Procedure1817
Error Codes1824
Ifax Troubleshooting1846
Service Program Tables1858
Printer Switches1895
Communication Switches1903
G4 Internal Switches1932
G4 Parameter Switches1932
Ip Fax Switches1933
Ncu Parameters1942
Dedicated Transmission Parameters1957
Programming Procedure1957
Service Ram Addresses1965
Sg3 Board1978
Video Data Path1980
Immediate Transmission1981
Jbig Transmission1981
Fax Communication Features1983
Document Server1983
Internet Mail Communication1985
Mail Reception1987
Handling Mail Reception Errors1988
Secure Internet Reception1989
Capabilities of Programmable Items1998
Ifax Specifications1999
Replacement and Adjustment2010
Adf Removal2010
Adjustment after Replacing the Adf2013
Cis Rgb Adjustment2013
Checking the Vertical Registration2013
Checking the Horizontal Registration2014
Checking the Skew2014
Checking the Magnification2014
Platen Adjustment2015
Adf2016
Adf Front Cover2016
Adf Rear Cover2017
Feed Cover2018
Original Feed Unit2019
Pick-Up Roller / Transport Belt2020
Adf Separation Roller2022
Original Registration Sensor2023
Original Exit Sensor2025
Adf Control Board2027
Separation Sensor / Skew Correction Sensor2028
Original Width Sensor / Interval Sensor2029
B5 Width Sensor / A4 Width Sensor / Lg Width Sensor2030
Aps Feeler2031
Adf Lift-Up Interlock Sw / Lift-Up Sensor2032
Original Set Sensor2033
A4 Lef/Lt Lef Sensor2034
Bottom Plate Hp Sensor2035
Bottom Plate Position Sensor2036
Adf Feed Cover Interlock Switch / Pick-Up Roller Hp Sensor2037
Adf Entrance Motor2039
Adf Scanning Motor2040
Adf Exit Motor2041
Adf Bottom Plate Lift Motor2042
Replacement and Adjustment2055
Drive Motor Unit2055
Paper Exit Sensor2058
Bridge Unit Transport Sensor2061
Paper Exit Tray Set Detection Switch2062
Paper Exit Switching Unit Set Switch2063
Replacement and Adjustment2070
Exterior Part2070
Front Cover2070
Inner Cover2071
Rear Cover2072
Front Left Cover2072
Upper Cover2073
Upper2076
Upper Rear Cover2076
Proof Tray2076
Shift Tray2076
Booklet Tray2077
Upper Left Cover2077
Left Center Cover2078
Left Lower Cover2079
Paper Eject Cover Open/Close Motor2080
Paper Eject Cover Hp Sensor2081
Proof Tray Full Sensor2082
Proof Paper Eject Sensor2083
Entrance Paper Surface Sensor2085
Intermediate Transport (Right) Paper Surface Sensor2086
Intermediate Transport (Left) Paper Surface Sensor2087
Shift Tray Paper Surface Sensor2088
Shift Tray Upper Limit Switch2090
Shift Paper Eject Sensor2091
Booklet Stitch Unit2092
Center-Folding Unit2094
Center-Folding Paper Eject Sensor2097
Edge Stopper Paper Surface Sensor2098
Edge Stopper Hp Sensor2099
Main Control Board2106
Replacement and Adjustment2134
Exterior Covers2134
Rear Upper Cover, Rear Lower Cover, Upper Cover2134
Front Cover, Front Left Side Cover2137
Paper Exit Cover2138
Lower Tray2138
Proof Tray2139
Upper Tray2139
End Fence (D688 Only)2139
Left Cover (D689 Only)2142
Boards2144
Main Board2144
When Replacing the Main Board2144
Main Unit (Motor)2146
Corner Stapling Unit2146
Paper Exit Gate Motor2151
Leading Edge Guide Motor2152
Trailing Edge Pressure Plate Motor2152
Stacking Roller Motor2153
Feed out Motor2153
Jogger Motor2154
Main Unit (Sensor)2155
Shift Tray Paper Sensor2155
Trailing Edge Pressure Plate Hp Sensor2156
Stacking Roller Hp Sensor2157
Staple Tray Paper Sensor2159
Booklet Unit2160
Press Folding Motor2162
Booklet Jogger Motor2165
Replacement and Adjustment2179
Inner Finisher2179
Finisher2183
Paper Exit Tray2183
Paper Exit Cover2184
Control Board2185
Entrance Sensor2186
Entrance Motor2188
Tray Lift Motor2189
Paper Exit Full Sensor2190
Paper Bail Home Position Sensor2191
Paper Surface Detection Sensor2192
Paper Bail Motor2193
Transport Sensor2194
Strike Roller Home Position Sensor2195
Paper Exit Guide Plate Motor2197
Paper Exit Guide Plate Home Position Sensor2198
Strike Roller Motor2199
Shift Motor2201
Shift Roller Home Position Sensor2202
Stapler Home Position Sensor2203
Stapler Displacement Motor2205
Stapler Unit2207
Jogger Fence Motor (Front / Rear)2210
Jogger Fence Home Position Sensor (Front)2212
Jogger Fence Home Position Sensor (Rear)2213
Stapler Tray Jam Detection Sensor2214
Paper Detection Sensor2215
Paper Exit Motor (Front)2217
Paper Exit Motor (Rear)2218
Paper Sensor2234
Replacement and Adjustment2244
Rear Cover2244
Tray Lift Motor (Upper)2245
Tray Lift Motor (Lower)2246
Transport Motor2247
Paper Feed Motor2248
Controller Board2249
Transport Sensor, Limit Sensor, Paper End Sensor, Paper Feed Sensor2250
2Nd Paper Feed Unit2253
1St Paper Feed Unit2257
Pick-Up Roller, Feed Roller, Friction Roller2259
Replacement and Adjustment2267
Rear Cover2267
Tray Lift Motor (Upper)2268
Transport Motor2269
Paper Feed Motor2270
Controller Board2271
Transport Sensor, Limit Sensor, Paper End Sensor, Paper Feed Sensor2272
Paper Feed Unit2275
Pick-Up Roller, Feed Roller, Friction Roller2279
Replacement and Adjustment2287
Rear Cover2287
Right Tray, Left Tray2288
Left Tray Paper Sensor2289
Transfer Home Position Sensor2290
Controller Board2292
Paper Feed Unit2293
Lower Limit Sensor2295
Tray Set Switch (Left)2296
Tray Set Switch (Right)2297
Tray Lift-Transport Unit2298
Lift Motor2299
Transfer Motor2300
Remaining Paper Sensor2301
Paper Feed Motor2302
Transport Motor2303
Pick-Up Roller, Feed Roller, Friction Roller2304
Transport Sensor, Paper Fed Sensor, Paper End Sensor, Limit Sensor2306
Side Fence2309
Rear Cover2316
Front Cover2320
Right Cover2320
Pick-Up Roller, Feed Roller, Friction Roller2321
Paper Feed Motor2323
Transport Motor2324
Tray Lift Unit2325
Controller Board2326
Lct Set Switch (Front)2327
Lct Set Switch (Rear)2328
Paper Feed Sensor, Paper End Sensor, Limit Sensor, Transport Sensor2329
Replacement and Adjustment2337
Drive Motor Unit2337
Upper Paper Exit Sensor2340
Left Paper Exit Sensor2343
Upper Paper Exit Tray Set Switch2344
Paper Exit Switching Unit Set Switch2345
Replacement and Adjustment2352
Rear Cover2352
Front Cover and Original Tray2353
Original Feed Unit2354
Pick-Up Roller2355
Feed Belt2356
Separation Roller2358
Ardf Drive Board and Df Position Sensor2359
Original Length Sensors and Original Sensor2360
Original Set Sensor2361
Original Size Sensors and Skew Correction Sensor2363
Stamp Solenoid2365
Original Exit Sensor2367
Registration Sensor2368
Ardf Cover Switch2369
Feed Motor2370
Pick-Up Solenoid2372
Inverter Solenoid2373
Feed Clutch2374
Transport Motor2375

Ricoh D147 - Image Quality; When an Abnormal Image Is Generated

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