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Ricoh 4051 Service Manual
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LASER UNIT
SM
3-29
B06
4 Series/B140 Series/G126
Replac
ement
Adjustment
3.5.3 LASER
SYNCHRONIZATIO
N DETECTOR REPLACEMENT
Remove the right side cover (
x 2)
NOTE:
If the optional LCT is installed, disconnect it (
x 1).
[A]:
Development unit fans (
x 4,
x 1)
[B]:
Synchronization detector (
x 1,
x 1)
After replacement, set SP1002-
001~007 (Side-to-Side Regist
ration) to the defaults.
B140R932.W
MF
[A]
[B]
202
204
Table of Contents
B064 Series (B064/B065) B140 Series (B140/B141/B142/B143/B163/B228) G126
13
Default Chapter
1
Service Manual
1
Table of Contents
13
Installation
31
Installation
33
Installation Requirements
35
Operating Environment
35
Machine Level
36
Minimum Space Requirements
37
B064 Series
38
Dimensions
38
B140 Series
39
Power Requirements
40
Main Machine (B064 Series/B140 Series)
41
Accessory Check
41
Installation Procedure
42
Removing Tapes and Retainers
42
Connecting the ADF
44
Removing and Filling the Development Unit
45
Re-Installing the Development Unit
47
Initializing the Drum Settings (B064 Series)
48
Initializing the Drum Settings (B140 Series)
49
Tandem Tray
50
Date/Time Setting
52
Machine Level
52
SP Codes
52
A3/Dlt Feeder Kit (B475)
53
Accessory Check
53
Installation Procedure
54
Lct (B473)
56
Accessory Check
56
Installation Procedure
57
Removing Tape
57
Installing the LCT
58
Preparing the Main Machine
58
Lg/B4 Feeder Kit (B474)
60
Accessory Check
60
Installation Procedure
61
3000-Sheet Finishers (B468/B469/B674)
64
Accessory Check
64
Installation Procedure
65
Installation
67
Enabling Booklet Binding
70
Selecting the Staple Supply Name
70
Punch Unit (B377)
71
Accessory Check
71
Installation Procedure
72
Preventive Maintenance
167
Replacement and Adjustment
178
Accessory Check
74
Cover Interposer Tray (B470)
74
Cover Interposer Tray (B470)
75
Installation Procedure
75
Removing Tapes and Retainers
75
Attaching the Extensions
76
Attaching the Interposer Tray
77
Attaching the Corner Plates for the B478/B706
78
Right Rear Corner Plate (B478/B706 Only)
78
Right Front Corner Plate (B478/B706 Only)
79
Attaching the Finisher to the Machine
80
9-Bin Mailbox (B471)
82
Accessory Check
82
Installation
83
Installation Procedure
83
Removing Tapes and Retainers
83
Key Counter Bracket (B452)
85
Copy Connector Kit
86
Copy Connector Kit (B525-10, -12) for B064 Series
86
Installation
88
Installing the Hardware
89
Accessory Check
93
Copy Connector Kit (B328-03) for B140 Series
93
Preparation
94
Installation
95
Accessory Check
98
Sheet Finisher (B478/B706)
98
Installation
99
When You Move the Finisher to a New Location
102
Accessory Check
103
Punch Unit (B531/A812)
103
Accessory Check
108
Installation
108
Jogger Unit (B513)
108
Installation
109
Accessory Check
110
Z-Folding Unit B660
110
Before You Begin
111
Installation Procedure
111
Unpacking
111
Docking to the Finisher
112
Docking to the Main Frame
115
Accessory Check
117
Mfp Options: B064 Series
117
Printer/Scanner Kit (G338), Printer Kit (G339)
117
Inserting Dimms
118
Installation Procedure
118
Installation Procedure
119
Ps3 (B525-08)
121
Accessory Check
122
Installation Procedure
122
Usb 2.0 (B525-01)
122
USB SP Settings
123
Accessory Check
124
Ieee1394 (G561) Firewire Interface
124
Installation Procedure
125
UP Mode Settings for IEEE 1394
126
SP Mode Settings for IEEE 1394
127
Accessory Check
128
Ieee802.11B Wireless Lan (G628)
128
Installation Procedure
129
UP Mode Settings for Wireless LAN
130
SP Mode Settings for 802.11B Wireless LAN
132
File Format Converter (Mlb) (B519)
133
Accessory Check
134
Installation Procedure
134
Installing the Firmware
134
Installing the Hardware
135
Mfp Options: B140 Series
136
Overview
136
Accessory Check
137
Printer/Scanner Kit (B659)
137
Installation
138
Accessory Check
141
Installation
141
Ps3 (B525-15)
141
Accessory Check
142
Installation
142
Usb 2.0 Interface Board (B596-01)
142
Accessory Check
143
Ieee 1394 Interface Board (B581-01)
143
Installation
143
Accessory Check
144
Ieee 802.11B Interface Board (B582-01, -02)
144
Installation
144
Accessory Check
146
Bluetooth Interface Unit (G377)
146
Installation
146
Accessory Check
147
File Format Converter (B609)
147
Installation
147
Accessory Check
148
Data Overwrite Security Unit (B735)
148
Seal Check and Removal
148
Dimensions
151
Main Machine (G126)
151
Removing and Filling the Development Unit
154
Re-Installing the Development Unit
156
Initializing the Drum Settings
157
Tandem Tray
158
Leveling Stopper
160
Machine Leveling
160
Call Light Setting
161
Main Machine
167
Pm Tables
167
Preventive Maintenance
167
Cover Interposer Tray B470
171
LCT (Large Capacity Tray) B473
171
Optional Peripheral Devices
171
Related Sp Codes
172
Sheet Finisher B478/B706
172
Sheet Finisher with 50-Sheet Stapler and Saddle-Stitching B468/B469/B674
172
Z-Folding Unit Type 2105 (B660)
172
Drum Unit
175
General Cautions
175
Replacement and Adjustment
175
Scanner Unit
176
Transfer Belt Unit
176
Charge Corona
177
Development
177
Cleaning
178
Fusing Unit
178
Paper Feed
178
Used Toner
178
Lubricants
179
Special Tools
179
Special Tools and Lubricants
179
Front Door
180
Operation Panel
180
Operation Panel and External Covers
180
Right Covers
181
Left Covers
182
Rear Covers
183
Adf
184
Adf and Top Covers
184
Scanner
184
Top Covers
185
Exposure Glass
186
Scanner Original Size Sensors
187
Lens Block
188
Exposure Lamp
189
Lamp Regulator
190
Scanner Motor Drive Board (Sdrb)
191
Scanner Motor
192
Scanner Hp Sensor
193
Preparation for Removal
194
Scanner Wire Replacement
194
Wire Removal: Back
195
Wire Removal: Front
196
Attaching the New Wire
197
Scanner Heater
199
Caution Decals
200
Laser Unit
200
Ld Unit and Polygon Motor
201
Laser Synchronization Detector Replacement
203
Laser Unit Alignment
204
Development Unit Removal
206
Drum Unit
206
Removal
206
Re-Installation
207
Replacement with a Used Development Unit
207
Charge Corona Unit
208
Charge Corona Wire and Grid
209
Charge Corona Wire Cleaning Pads
210
Opc Drum Removal
211
Dusting the Drum Surface
212
Ptl (B140 Series Only)
213
Drum Potential Sensor
214
Quenching Lamp
214
Cleaning Blade
215
Cleaning Filter
215
Cleaning Brush
216
ID Sensor
217
Pick-Off Pawls
217
SM B064Series/B140 Series/G126
217
Drum Motor
218
Toner Collection Bottle
219
Toner Separation Unit
219
Internal Dust Filter
220
Optics Dust Filter
220
Ozone Filters
220
Developer Replacement
221
Development Unit
221
Development Filter
223
Entrance Seal and Side Seals
224
Td Sensor
225
Toner End Sensor
225
Toner Supply Motor
226
Development Motor
227
Transfer Belt Unit
228
Transfer Belt
229
Transfer Roller Cleaning Blade
231
Discharge Plate
232
Transfer Power Pack
233
Fusing Unit
234
Fusing Pressure Release Motor (B140 Series)
235
Fusing Pressure Release Hp Sensor (B140 Series)
236
B064 Series
237
Fusing Unit Thermistors and Thermostats
237
B140 Series
238
Web Cleaning Roller
239
Web Unit Disassembly
239
Web Unit Assembly
240
Web Motor and Web End Sensor
241
B064 Series
242
Pressure Roller Cleaning Unit
242
B140 Series
243
B064 Series: Fusing Lamps
244
Fusing Lamps, Hot Roller, and Pressure Roller
244
B140 Series: Fusing Lamps
245
Important Notes about Fusing Unit Assembly (B064 Series)
250
Pressure Roller
251
B064 Series
252
Stripper Pawls
252
B140 Series
253
Nip Band Width Adjustment
254
Fusing Unit Exit Sensor
255
Fusing/Exit Motor
256
Fusing Exit and Exit Unit Entrance Sensors
257
Duplex Unit
258
Duplex Unit Removal
258
Duplex Unit Side-To-Side Adjustment
259
Jogger Fence Adjustment
259
Duplex Inverter Motor
260
Duplex Motors
260
Duplex Jogger and Transport Motors
261
Duplex Transport Clutch/Jogger Hp Sensor
262
Duplex Entrance Sensor
263
Duplex Transport Sensor 3
264
Inverter Exit Sensor, Transport Sensors 1 & 2
265
Duplex Jogger Belt Adjustment
266
Paper Feed
267
Paper Tray Removal
267
Rear Fence Return Sensor Replacement
269
Rear Fence Hp Sensor Replacement
270
Tandem Right Tray Paper Sensor Replacement
271
Bottom Plate Lift Wire Replacement
272
Tandem Tray Paper Size Change
274
Pick-Up, Feed, Separation Roller Replacement
277
Feed Unit
278
Separation Roller Pressure Adjustment
280
Relay Sensor
281
By-Pass Paper Size Detection Board
282
By-Pass Tray Rollers
283
By-Pass Separation Roller Pressure Adjustment
284
Registration Sensor
285
Registration and By-Pass Unit Removal
286
Bcu Board (Base Engine Control Unit)
288
Pcbs and Hdd
288
B064 Series: Controller Board
289
Controller Board
289
B064 Series: IPU Board
291
Ipu Board
291
Development Power Pack
295
B064 Series
296
Psu, Pfc Boards
296
B064 Series HDD
297
Hdd
297
Nvram
299
Dimms
301
Adf (B140 Series/B064 Series)
302
Adf Covers
302
Feed Unit
303
Feed Belt and Pick-Up Roller
304
Separation Roller
305
Registration Sensor
306
Adf Control Board
307
Original Width, Interval, and Skew Correction Sensors
308
Original Length Sensors
309
Df Position and Aps Sensor
310
Other Adf Sensors
311
Bottom Plate Lift Motor
312
Feed Motor
312
Exit Motor and Transport Motor
313
Pick-Up Roller Motor and Hp Sensor
314
Cis Power Supply Board and Cis Unit
315
Adf Exit Sensor
316
Copy Image Adjustments: Printing/Scanning
317
Printing
317
Registration - Leading Edge/Side-To-Side
317
Blank Margin
318
Registration Buckle Adjustment
318
Magnification
319
Registration: Platen Mode
319
Scanning (B140 Series/B064 Series)
319
Adf Scanning Adjustments (B140 Series/B064 Series)
320
ADF Skew Correction
320
DIP Switch Settings (ADF Main Board)
320
Vertical Black Lines
320
Touch Screen Calibration (B140 Series/B064 Series)
322
Troubleshooting
323
Overview
325
Important Sp Codes
326
Recovery Methods
326
Download Error Codes
327
Jam Detection
330
Sensor Locations
330
Feed, Transport, Feed Out: Face-Up
331
Timing Charts
331
Transport, Inverter, Feed Out: Face-Down
332
Duplex Transport
333
Program Download
334
B064 Series Service Call Conditions
335
B064 Series Service Mode
335
B064 Series Sc Code Descriptions
336
SC100: Scanning System
336
SC300: Image Development System (1)
339
SC400: Image Development System (2)
344
SC500: Feed, Transport, Duplexing, and Fusing Systems
345
SC600: Data Communication
348
SC700: Peripherals
350
SC800: Overall System
353
SC900: Miscellaneous
356
Additional Sc Codes Printed in Smc Report (B064 Series)
358
B140 Series and G126 Service Mode
360
Service Mode Lock/Unlock
360
B140 Series and G126 Service Call Conditions
361
B140 Series and G126 Sc Code Descriptions
362
SC100: Scanning System
362
SC300: Image Development System (1)
365
SC400: Image Development System (2)
370
SC500: Feed, Transport, Duplexing, and Fusing Systems
371
SC600: Data Communication
375
SC700 Series: Peripherals
377
SC800: Overall System
381
SC900: Miscellaneous
386
Jam Codes (B140 Series and G126)
390
Main Unit: Paper Jam Errors
390
Finisher B468/B674 Jam Codes
391
Finisher B469 Jam Codes
391
Cover Interposer Tray B470 Jam Codes
392
Finisher B478/B706 Jam Codes
392
Mailbox B471 Jam Codes
392
Z-Folding Unit B660 Jam Codes
393
Additional Sc Codes Printed in Smc Report
394
Series and G126)
394
Blown Fuse Conditions
397
Common Problems
397
Other Problems (All Models)
397
Frequent Paper Jams
398
Detailed Descriptions
601
Specifications
741
Service Tables
401
Entering and Exiting SP Mode
403
Service Program Mode
403
Service Program Mode Operation
403
Series)
404
To Switch to the Copy Window for Test Printing
404
Using the SP Mode
404
Service Mode Lock/Unlock (B140 Series Only)
405
SP Mode Button Summary
406
SP Mode Print (SMC Print)
407
Memory All Clear: Sp5801
408
Resets
408
SM IX B064Series/B140 Series/G126
409
Resetting Copy/Document Server Features Only
410
Resetting Scanner Features Only
410
Resetting the System
410
Software and Setting Reset
410
Software Reset
410
Printing Test Pattern: Sp2902-003
411
Test Pattern Printing
411
Test Pattern Table
412
Ipu Front/Back Test Patterns: Sp2902-001,002
413
Test Pattern Table
414
Ipu Printing Test Pattern: Sp2902-004
415
Software Update
416
Software Update Procedure: B140 Series
416
Error Message Table
420
Downloading Stamp Data
421
Updating the LCDC for the Operation Panel
421
NVRAM Data Upload/Download
422
Software Update Procedure: B064 Series
423
GW Controller/Bcu Update
424
Forced Update
425
Stamp Data Update
425
Operation Panel Software Update
426
Netfile Firmware Update
427
NIB Update
427
Scanner Update
427
Firmware Update Notes
428
NVRAM Update
428
Overview
429
Sd Card Application Move
429
Move Exec
430
Undo Exec
430
Service Program Mode Tables
431
Service Table Key
431
Copier Service Table
432
Sp1Xxx Feed
432
Sp2Xxx Drum
437
Sp3Xxx Processing
455
Sp4Xxx Scanner
458
Sp5Xxx Mode
468
Sp6Xxx Peripherals
502
Sp7Xxx Data Logs
508
Sp8Xxx: Data Log2
522
Printer Service Table
551
Scanner Service Table
552
Copier Input Check: Sp5803
564
Input/Output Check
564
Copier Output Check: Sp5804
570
Adf Input Check: Sp6007
572
Adf Output Check: Sp6008
573
Finisher Input Check: Sp6117 (B478/B704 Only)
574
Finisher Output Check: Sp6118
576
Switching on and Setting up Save Debug Log
577
Using the Debug Log
577
Retrieving the Debug Log from the Hdd
580
Recording Errors Manually
581
New Debug Log Codes
582
SP5857-015 Copy SD Card-To-SD Card: any Desired Key
582
SP5857-016 Create a File on HDD to Store a Log
582
SP5857-017 Create a File on SD Card to Store a Log
582
Overview
583
User Tools
583
B064 Series System Settings
584
System Settings
584
B140 Series System Settings
586
Copier/Document Server Features
589
Counter
593
Inquiry
593
Dip Switches
594
Controller Board
595
Detailed Descriptions
599
Overview
599
Paper Path (with Cover Interposer Tray)
601
Paper Path (with 9-Bin Mailbox)
602
Block Diagram
604
Board Structure
604
BCU (Base Engine Control Unit)
605
Component Descriptions
605
Controller Board
605
MB (Mother Board)
605
CNB (Connection Board)
606
PFC (Paper Feed Control)
606
SBU (Sensor Board Unit)
606
SDRB (Scanner Driver Board)
606
VIB (Video Interface Board)
606
HDD (Hard Disk Drive)
607
Copy Process Overview
608
Adf (B140 Series/B064 Series)
610
Overview
610
Adf Drive Layout
611
Pick-Up Roller Lift
612
Bottom Plate Lift
613
Original Separation
614
Original Transport
615
Original Skew Correction
616
Original Size Detection
618
Adf Scanning
621
Jam Detection
622
Overview
623
Scanning (B140 Series/B064 Series)
623
Scanner Drive
624
Original Size Detection
625
Sensors
625
Detection Timing
626
Book Mode
627
Scanning Magnification
627
Auto Image Density (Ads)
628
Xenon Lamp → CCD ADS
628
Image Processing
629
Overview
629
Image Processing Flow
630
Image Processing Modes
631
Custom Settings for each Mode: Image Quality
632
Image Quality Sp Adjustments
632
Custom Settings for each Mode: Line Width Correction
634
Custom Setting: Duplex Scanning Mode Original Image Quality Settings
636
Settings Adjustable for each Original Mode
637
Relation between the Sp and up Settings
638
Image Processing Troubleshooting
640
Improving the Appearance of a Copy of a Color Document
640
Removing Background from Coarse Paper
640
Removing Vertical White Lines During Duplex Scanning
641
Equalizing Duplex Scanned Image Quality of Front/Back Sides
642
Equalizing Image Quality of Front Sides for Duplex and Simplex Modes
642
Laser Exposure
643
Overview
643
Optical Path
644
Four-Beam Exposure
645
Cooling Fan
646
Ld Safety Switches
647
Drum Unit
648
Overview
648
Drum Drive
649
Opc Drum
649
Drum Charge
650
Charge Corona Wire Cleaning
651
Drum Pick-Off Mechanism
652
Drum Cleaning
653
Drum Ventilation and Ozone Filter
654
Toner Recycling
655
Error Detection
656
Mechanism
656
Waste Toner Collection
656
Process Control
657
What Happens at Power on
657
Drum Potential Sensor Calibration
658
Development Bias, Bias Grid, and LD Adjustment
659
ID Sensor Calibration (Vsg)
661
TD Sensor Calibration (Vref)
661
Development and Toner Supply
662
Development Unit
662
Overview
662
Toner Supply
663
Development Unit
664
Developer/Toner Mixing (Agitation)
665
Development Bias
666
Toner Supply
667
Development Unit Drive and Ventilation
668
Shutter Mechanism
669
Toner End Sensor
669
Toner Bottle Supply and Ventilation
670
Sensor Control Mode
671
Toner Supply Control
671
Pixel Count Toner Supply Mode
672
Determining Vref
673
TD Sensor Initialization
673
Abnormal ID Sensor Output
674
Abnormal TD Sensor Output
674
Toner Supply Without ID Sensor and TD Sensors
674
Toner End Detection
675
Toner End Recovery
675
Image Transfer and Paper Separation
676
Overview
676
Mechanism
677
Transfer Belt Lift
677
Timing
678
Transfer Belt Charge
679
Transfer Current Settings
680
Transfer Current Circuit
681
Transfer Belt Drive and Paper Transport
682
Transfer Belt Cleaning
683
Anti-Condensation Heater
684
Overview
685
Paper Feed
685
Built-In Feed Stations
686
By-Pass Feed
686
Jam Removal
686
Paper Registration
686
Tray Capacities
686
Drive
687
Bottom Plate Lift
688
Tray and Paper Lift Mechanism – Tray 2,3
688
Lift Sensor
689
Paper Feed and Separation Mechanism
690
Paper Feed and Separation: no Paper Present
690
Paper Feed and Separation
691
Separation Roller Release Mechanism
692
Paper Near-End and Paper End – Trays 2 and 3
693
Paper Size Detection
694
Tandem Tray (Tray 1)
694
Universal Cassettes (Tray 2, 3)
694
Anti-Condensation Heaters
695
Overview
696
Tandem Tray – Tray 1
696
Connecting the Left and Right Sides of the Tray
697
Paper Lift/Remaining Paper Detection
698
Fence Drive
700
Rear Fence Drive
701
Tray Side-To-Side Positioning
702
Tray Positioning Mechanism – Trays 1 to 3
703
By-Pass Feed and Separation
704
By-Pass Tray
704
By-Pass Tray Paper End Detection
705
By-Pass Paper Size Detection
706
Overview
707
Paper Registration
707
Paper Registration Drive
708
Jam Removal at Paper Registration
709
B064 Series and G126
710
Image Fusing and Paper Exit
710
Overview
710
B140 Series
711
B064 Series and G126
712
Fusing Mechanism
712
B140 Series
713
B064 Series and G126
714
Pressure Roller
714
B140 Series
715
Hot Roller Cleaning
716
Overview
716
Web Drive
717
Web Near-End
717
Fusing Unit Entrance Guide
718
Fusing Unit Drive
719
Cpm down Mode
720
Fusing Temperature Control
721
Exit
723
Exit Junction Gate
724
Duplex Unit
725
Overview
725
Duplex Drive
726
Inverter Feed-In and Jogging
727
Inverter Operation
727
Inverter Feed-Out
728
Duplex Tray Feed
729
Duplex Interleave Feed
730
Energy Saver Modes
732
Overview
732
Energy Saver Mode
733
Entering the Energy Saver Mode
733
Return to Stand-By Mode
733
What Happens in Energy Saver Mode
733
Entering the Low Power Mode
734
Low Power Mode
734
Return to Stand-By Mode
734
What Happens in Low Power Mode
734
Auto off Mode
735
Disabling Auto off Mode
735
Entering Auto off Mode
735
Returning to Stand-By Mode
735
What Happens in Auto off Mode
735
Entering Night Stand-By and Night Modes
736
Night Mode
736
Returning to Stand-By Mode
736
What Happens in Night Stand-By and Night Modes
736
Copier (B140 Series/B064 Series) Printer (G126)
739
General Specifications
739
Adf (B140 Series/B064 Series)
740
Power Consumption
741
Machine Configuration
743
A3/Dlt Kit (B475)
744
Lct (Large Capacity Tray) (B473)
744
Optional Equipment
744
General
745
Lower Tray
745
Proof Tray
745
Sheet Finisher with Saddle-Stitch and 50-Sheet Stapler (B468)
745
Upper Tray
745
Saddle-Stitch Staple Specifications
746
Staple Specifications
746
General
747
Lower Tray
747
Proof Tray
747
Sheet Finisher with 50-Sheet Stapler (B469)
747
Staple Specifications
747
General
748
Sheet Finisher with Saddle-Stitch and 50-Sheet Stapler (B674)
748
Lower Tray
749
Proof Tray
749
Saddle-Stitch Staple Specifications
750
Punch Unit (B377)
751
Cover Interposer Tray (B470)
752
Sheet Finisher (B478/B706)
753
Bin Mailbox (B471)
756
Jogger Unit (B513)
756
Lg/B4 Kit (B474)
756
Z-Folding Unit (B660)
756
Large Capacity Tray B473
759
1 Replacement and Adjustment
761
External Covers
761
Pick-Up/Feed/Separation Rollers
762
Pick-Up Solenoid
763
Paper End Sensor, Upper Cover Switches
764
Paper Stack Sensor
765
Tray Motor
765
Paper Size Adjustment
766
2 Details
767
Lct Main Components
767
Overview
767
Lct Drive Layout
769
Paper Feed and Separation
770
Starting Paper Feed
770
Feed and Separation
771
Paper Lift
772
Paper Height Detection
774
Paper End Detection
775
A3/Dlt Tray Kit B475
779
1 Replacement and Adjustment
781
Bottom Plate Lift Wire Replacement
781
Removing the Lift Wire
781
Installing the Lift Wire
782
2 Details
783
3000-Sheet Finisher B468/B469/B674
787
1 Replacement and Adjustment
790
External Covers
790
Inner Cover
791
Positioning Roller
791
Brush Roller
792
Lower Tray Paper Height Sensors 1, 2
793
Proof Tray Exit and Full Sensors
794
Exit Sensor
795
Finisher, Stapler Entrance Sensors
796
Saddle-Stitch Stapler Replacement
797
Z-Fold Jogger Unit (B674 Only)
799
Jogger Top Fence Motor (B674 Only)
800
Jogger Bottom Fence Motor(B674 Only)
801
Punch Position Adjustment
802
Jam Detection
803
Dip Sw 100 (Main Board)
804
Jogger Fence Adjustment
804
2 Details
813
Overview
813
Drive Layout
814
Tray/Stapler Junction Gates
817
Pre-Stacking
818
Overview
819
Vertical Lift Mechanism
819
Upper Tray
820
Just after the Power Is Switched on
821
Lower Tray
821
Lower Tray Height Adjustment During Feed-Out
821
Positioning the Lower Tray for Feed-Out
821
Lower Tray Full
822
Shift Mechanism
823
Paper Positioning
824
Stapler
825
Stapling Mechanism
825
Horizontal Stapler Movement
826
Stapler Movement
826
Rotational Stapler Movement
827
Feed out
828
Stapling Z-Folded Paper (B674 Only)
829
Booklet Finishing
830
Booklet Stapling and Folding
830
Initial Folding
830
Final Folding and Feed-Out
832
Punch Unit B377
835
1 Replacement and Adjustment
837
Punch Position Adjustment
837
2 Details
838
Punch Drive Mechanism
838
Punch Waste Collection
840
Cover Interposer Tray B470
843
1 Replacement and Adjustment
845
External Covers
845
Feed Unit and Pick-Up Roller
846
Feed Belt
847
Guide Plate Adjustment
848
Main Board
849
Motor Replacement
850
Bottom Plate Lift Motor
850
Vertical Transport Motor
850
Feed Motor, Transport Motor
851
2 Details
852
Main Layout
852
Overview
852
Drive Layout
853
Paper Size Detection
854
Paper Path
857
Bottom Tray Lift
858
Paper End
858
Paper Feed
858
Paper Near-End
858
Paper Separation and Feed
858
Power on
858
9-Bin Mailbox B471
861
1 Replacement and Adjustment
863
Covers and Trays
863
Sensors
864
Main Motor and Control Board
865
2 Details
866
Main Component Layout
866
Overview
866
Drive Layout
867
Paper Path
868
Basic Operation
869
Paper Path
869
Overflow Detection
870
Overview
870
Detection Timing
871
A4 Sideways (Lef) → 1St bin Tray
872
A4 Sideways (Lef) → 2Nd ~ 9Th bin Tray
872
Paper Misfeed Detection Timing
872
3000-Sheet Finisher B478/Jogger Unit B513/Punch Unit B531
877
1 Installation
879
2 Preventive Maintenance
880
3 Replacement and Adjustment
881
Door and Cover
881
Front Door
881
Inner Cover
881
Left Inner Cover
881
Side Table and Upper Tray
882
Left Covers
883
Rear Cover and Top Cover
883
Shift Tray
883
Rollers
884
Shift Positioning Roller
884
Positioning Roller
885
Alignment Brush Roller
886
Stack Feed-Out Belt
887
Jogger Fence
888
Exit Guide Open Sensor
889
Sensors
889
Stack Height 1, 2 and Exit Guide Open Sensor
889
Stack Height Sensors 1 and 2
889
Upper Tray Exit Sensor
890
Upper Tray Paper Limit and Exit Sensor
890
Upper Tray Paper Limit Sensor
890
Shift Tray Exit Sensor
891
Entrance and Stapler Tray Entrance Sensors
892
Entrance Sensor
892
Stapler Tray Entrance Sensor
892
Pre-Stack Paper Sensor
893
Staple Waste Hopper Sensor
894
Stapler Rotation Hp and Stapler Return Sensors
895
Stapler
896
Shift Tray Motor
897
Stacking Roller/Roller Drag Motors, Return Hp Sensor
898
Punch Position Adjustment
901
Punch Unit B531 (Option)
901
Jogger Unit
902
Jogger Unit Pcb
903
Jogger Unit Motor
904
Test Points
906
Tray and Stapler Junction Gate
907
Jogger Unit Paper Positioning
909
Stapler Unit Movement
910
Paper Exit Stacking
915
Shift Tray Lower Limit Detection
918
Jam Conditions
920
Punch Unit Drive
921
Jogger Unit Drive
924
Electrical Component Description
926
3000-Sheet Finisher B706
933
1 Installation
935
2 Preventive Maintenance
936
3 Replacement and Adjustment
937
Door and Cover Replacement
937
Front Door
937
Inner Cover
937
Left Inner Cover
937
Side Table and Upper Tray
938
Left Covers
939
Rear Cover and Top Cover
939
Shift Tray
939
Rollers
940
Shift Positioning Roller
940
Positioning Roller
941
Alignment Brush Roller
942
Stack Feed-Out Belt
943
Jogger Fence
944
Exit Guide Open Sensor
945
Sensors
945
Stack Height 1, 2 and Exit Guide Open Sensor
945
Upper Tray Exit Sensor
946
Upper Tray Paper Limit and Exit Sensor
946
Upper Tray Paper Limit Sensor
946
Shift Tray Exit Sensor
947
Entrance and Stapler Tray Entrance Sensors
948
Stapler Tray Entrance Sensor
948
Pre-Stack Paper Sensor
949
Staple Waste Hopper Sensor
950
Stapler Rotation Hp and Stapler Return Sensors
951
Stapler
952
Shift Tray Motor
953
Stacking Roller/Roller Drag Motors, Return Hp Sensor
954
Z-Fold Jogger Unit
957
Z-Fold Jogger Unit Cover
957
Z-Fold Jogger Unit
958
Jogger Top Fence Motor
959
Jogger Unit Mechanical Layout
984
Z-Folding Unit B660
993
1 Installation
995
2 Preventive Maintenance
996
3 Replacement and Adjustment
997
Before You Begin
997
Covers
998
Feed Motor
999
Upper Exit Sensor
1000
Upper Stopper Motor/Hp Sensor, Feed Sensor
1001
Fold Timing Sensor
1002
Lower Stopper Motor/Hp Sensor, Relay Board
1003
Leading Edge Sensor, Lower Exit Sensor
1004
Anti-Static Brush
1005
Fold Roller Motor
1006
Main Control Board
1007
Psu
1008
4 Troubleshooting
1009
5 Service Tables
1010
6 Details
1011
Overview
1011
Paper Path with no Folding
1013
Z-Folding Unit Paper Path
1013
Paper Path with Z-Folding
1014
Electrical Components
1018
Drive Layout
1019
Scanner/Printer Unit G338/G339
1023
1 Details
1025
Machine Layout
1025
Controller Board
1026
Controller Board Layout
1026
Controller Board Dip Switches
1028
Led Indicators
1028
Ethernet Board
1029
Ethernet Board Layout
1029
Ethernet Board Operation
1030
Usb
1031
Pin Assignment
1031
Related SP Mode
1032
Remarks about Usb
1032
Ieee802.11B (Wireless Lan)
1033
Block Diagram
1033
Specifications
1033
2 Specifications
1034
Scanner
1034
Printer
1035
Controller Board Configuration
1036
Printer
1037
Printer Drivers
1037
Printer Utility Software
1037
Software Accessories
1037
Paper Sizes Supported by the Printer
1038
Ieee 802.11B Specifications
1039
Usb Specifications
1039
Mfp Options
1041
Mfp Options B659/B581/B596/B582/G377/B609/B735
1043
1 Detailed Descriptions
1045
Mfp Option Slot Assignment
1045
Software Accessories
1046
Printer
1046
Printer Drivers
1046
Printer Utility Software
1046
Paper Size Supported by the Printer
1047
Network Interface Board (Nib) (B594)
1048
Operation
1048
Usb 2.0 Interface Board (B596)
1049
Related SP Mode
1049
Remarks about USB
1049
Ieee802.11B Interface Board (Wireless Lan) (B582)
1050
Communication Status
1050
Led Indicators
1050
Transmission Modes
1050
Troubleshooting Notes
1050
Troubleshooting Procedure
1051
File Format Converter (Mlb) (B609)
1052
Data Overwrite Security Unit (B735)
1053
Auto Erase Memory
1053
Overwrite Timing
1053
Types of Data Overwritten and Not Overwritten
1053
Erase All Memory
1054
Overwrite Method
1054
2 Specifications
1055
Controller Board
1055
Printer
1055
Printer/Scanner Unit (B659)
1055
Scanner
1056
Hardware Specification
1057
Ieee1394 Interface Board (B581)
1057
System Requirement
1057
Usb 2.0 Interface Board (B596)
1057
Bluetooth Interface Unit (G377)
1058
Hardware Specifications
1058
Ieee802.11B Interface Board (B582)
1058
System Requirement
1058
Mfp Option Configuration
1059
B659/B581/B596/B582/G377/B609/B735
1045
Other manuals for Ricoh 4051
Operating Instructions
950 pages
General Settings Guide
176 pages
4
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Ricoh 4051 Specifications
General
Brand
Ricoh
Model
4051
Category
All in One Printer
Language
English
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