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A231
Ricoh A231 Manuals
Manuals and User Guides for Ricoh A231. We have
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Ricoh A231 manuals available for free PDF download: Service Manual, Installation Procedures
Ricoh A231 Service Manual (1134 pages)
Brand:
Ricoh
| Category:
All in One Printer
| Size: 24.19 MB
Table of Contents
Table of Contents
11
Important Safety Notices
36
Laser Safety
37
Overall Machine Information
38
Overall Machine Information
40
Specifications
42
Paper Exit Tray Selection
46
Machine Configuration
47
System Components
47
Installable Option Table
49
Copier Options
49
Fax Options
49
Mechanical Component Layout
50
Paper Path
52
Electrical Component Descriptions
53
Drive Layout
57
Copy Process
58
Overview
58
Board Structure
60
Block Diagram
60
Descriptions
61
Detailed Section Descriptions
62
Scanning
64
Overview
64
Detailed Section Descriptions
64
Scanner Drive
65
Original Size Detection in Platen Mode
66
Image Processing
68
Overview
68
Sbu
69
Auto Image Density (Ads)
70
Ipu (Image Processing Unit)
71
Overview
71
Image Processing Path
72
SP Modes for each Image Process
73
Auto Shading
75
Background Erase
75
Independent Dot Erase
76
Filtering, Main Scan Magnification/Reduction
77
Gamma (Γ) Correction
78
Gradation Processing
78
Memory Block
81
Binary Picture Processing Mode
82
Grayscale Processing Mode
83
Fci (Fine Character Image)
84
Laser Exposure
85
Overview
85
Optical Path
86
Auto Power Control (Aps)
87
Dual Beam Writing
88
Laser Beam Pitch Change Mechanism
89
Ld Safety Switches
90
Photoconductor Unit (Pcu)
91
Overview
91
Drive Mechanism
92
Drum Charge
93
Overview
93
Charge Roller Voltage Correction
94
Correction for Environmental Conditions
94
Correction for Paper Width and Thickness (Bypass Tray Only)
95
ID Sensor Pattern Production Timing
96
Drum Charge Roller Cleaning
96
Development
97
Overview
97
Drive Mechanism
98
Developer Mixing
99
Development Bias
100
Correction for Paper Width and Thickness (Bypass Tray Only)
100
Toner Supply
101
Toner Bottle Replenishment Mechanism
101
Toner Supply Mechanism
102
Toner Density Control
103
Overview
103
Toner Density Control Flow Chart
103
Sensor Control Mode
104
Image Pixel Count Control Mode
105
Toner Near End/End Detection
106
Toner Near End/End Detection Flow Chart
106
Toner End Recovery
108
Toner End Recovery Flow Chart
108
Toner Supply in Abnormal Sensor Conditions
109
Drum Cleaning and Toner Recycling
110
Drum Cleaning
110
Toner Recycling
111
Paper Feed
112
Overview
112
Paper Feed Drive Mechanism
113
Pick-Up and Separation Roller Release Mechanism
114
Paper Lift Mechanism
115
Paper End Detection
117
Paper Registration
118
Paper Feed and Jam Timing
119
Image Transfer and Paper Separation
120
Overview
120
Belt Drive Mechanism
121
Image Transfer and Paper Separation Mechanism
121
Transfer Belt Unit Contact Mechanism
123
Transfer Belt Charge
124
Overview
124
Correction for Paper Width and Thickness
125
Currents Applied to Leading Edge and Image Areas
125
Transfer Belt Cleaning Mechanism
126
Image Fusing and Paper Exit
127
Overview
127
Fusing Drive and Release Mechanism
128
Fusing Entrance Guide Shift Mechanism
129
Pressure Roller
130
Cleaning Mechanism
130
Fusing Temperature Control
131
Temperature Control
131
Fusing Idling
131
Overheat Protection
132
Energy Saver Modes
133
Overview
133
Energy Saver Mode
134
Entering the Energy Saver Mode
134
What Happens in Energy Saver Mode
134
Return to Stand-By Mode
135
Low Power Mode
135
Entering the Low Power Mode
135
What Happens in Low Power Mode
135
Auto off Mode
136
Entering Auto off Mode
136
What Happens in Auto off Mode
136
Returning to Stand-By Mode
136
Night Mode
137
Entering Night Stand-By and Night Modes
137
What Happens in Night Stand-By and Night Modes
137
Returning to Stand-By Mode
138
Installation Procedure
142
Installation Requirements
142
Environment
142
Machine Level
142
Minimum Space Requirements
143
Power Requirements
144
Installation Flow Chart
145
Overall Machine Information
145
Copier Installation
146
Accessory Check
146
Installation Procedure
147
Leds
150
Paper Tray Unit Installation
153
Accessory Check
153
Installation Procedure
154
Interchange Unit Installation
158
Accessory Check
158
Installation Procedure
159
1-Bin Tray Unit Installation
163
Accessory Check
163
Installation Procedure
164
Bridge Unit Installation
169
Accessory Check
169
Installation Procedure
170
Auto Reverse Document Feeder Installation
172
Accessory Check
172
Installation Procedure
173
Duplex Unit Installation
175
Accessory Check
175
Installation Procedure
176
By-Pass Feed Unit Installation
180
Accessory Check
180
Installation Procedure
180
Lct Installation
182
Accessory Check
182
Installation Procedure
183
1,000-Sheet Finisher Installation
185
Accessory Check
185
Installation Procedure
186
3,000-Sheet Finisher Installation
189
Accessory Check
189
Installation Procedure
190
Punch Unit Installation
193
Accessory Check
193
Installation Procedure
194
Platen Cover Installation
197
Image Enhacement Kit (Hdd) Installation
198
Accessory Check
198
Installation Procedure
199
Electric Sort Kit Installation
201
Key Counter Installation
202
Anti-Condensation Heater
204
Tray Heater
206
Tray Heater (Optional Paper Tray Unit)
207
Service Tables
208
General Cautions
210
Drum
210
Transfer Belt Unit
211
Scanner Unit
211
Laser Unit
211
Charge Roller
212
Development
212
Fusing Unit
212
Paper Feed
213
Used Toner
213
Service Program Mode
214
Service Program Mode Operation
214
Service Program Access Procedure
214
Accessing Copy Mode from Within an SP Mode
215
Selecting the Program Number
215
Inputting a Value or Setting for an SP Mode
215
Service Program Mode Tables
216
Specifications
216
Paper Size Selection
241
Test Pattern Printing (Sp2-902)
260
Test Pattern Table (SP2-902-2: Test Pattern Printing - IPU)
260
Test Pattern Table (SP2-902-3: Test Pattern Printing - Printing)
260
Features
260
Input Check
261
Main Machine Input Check (SP5-803)
261
ADF Input Check (SP6-007)
264
Output Check
265
Main Machine Output Check (SP5-804)
265
ADF Output Check (SP6-008)
266
System Parameter and Data Lists (Smc Lists)
266
Nip Band Width Adjustment (Sp1-109)
267
Memory All Clear (Sp5-801)
268
Software Reset
269
System Setting and Copy Setting (up Mode) Reset
269
System Setting Reset
269
Copy Setting Reset
269
Program Download
272
Download from BICU to Flash Memory Card
274
Flash Memory Card
275
User Program Mode
276
How to Enter and Exit up Mode
276
Up Mode Table
276
System Setting Table
276
Copy Setting Table
277
Test Points/Dip Switches/Leds
278
Dip Switches
278
Test Points
278
Leds
279
Special Tools and Lubricants
279
Special Tools
279
Lubricants
279
Preventive Maintenance Schedule
282
Pm Table
282
Replacement and Adjustment
285
Scanner Unit
287
Exposure Glass
287
Replacement and Adjustment
287
Scanner Exterior/Operation Panel
288
Lens Block/Sbu Assembly
289
Original Size Sensors
290
Exposure Lamp
291
Scanner H.p Sensor/Platen Cover Sensor
292
Scanner Motor
293
Sib/Lamp Stabilizer
294
Scanner Wire
295
Scanner Unit Positioning Adjustment
298
Laser Unit
300
Laser Unit
301
Polygon Mirror Motor
302
Laser Synchronization Detector
303
Service Tables
304
Photoconductor Unit (Pcu)
305
Drum
306
Pick-Off Pawls
307
Charge Roller/Charge Roller Cleaning Pad
308
Drum Cleaning Blade
309
Development
310
Development Filter
311
Developer
312
Td Sensor
313
Transfer Unit
314
Transfer Belt
315
Transfer Belt Cleaning Blade/Toner Overflow Sensor
316
Right Cover
317
Paper Feed
318
Relay/Upper Paper Feed/Lower Paper Feed Clutches
319
Upper Paper Feed Unit
320
Lower Paper Feed Unit
321
Paper End/Paper Height/Relay Sensors
322
Registration Sensor
323
Fusing
325
Hot Roller Strippers and Fusing Lamp
326
Thermistor and Thermofuse
327
Cleaning Roller
328
Hot Roller and Pressure Roller
329
Drive Area
330
Registration Clutch and Transfer Belt Clutch
330
Main Motor
331
Toner Bottle Motor
332
Pcbs
333
Power Pack
333
I/O Board
333
Bicu Board
334
Psu
335
Hard Disk
336
Copy Adjustments: Printing/Scanning
337
Printing
337
Registration - Leading Edge/Side-To-Side
337
Blank Margin
338
Main Scan Magnification
338
Parallelogram Image Adjustment
339
Scanning
340
Registration: Platen Mode
340
Magnification
340
Scanner Skew Image Adjustment
341
Adf Image Adjustment
342
Registration
342
Troubleshooting
343
Service Call Conditions
345
Sc Code Descriptions
346
Service Call Conditions
347
Electrical Component Defects
370
Sensors
370
Switches
371
Blown Fuse Conditions
372
Rom History
373
Overall Machine Information
385
Mechanical Component Layout
386
Electrical Component Layout
387
Electrical Component Description
388
Drive Layout
389
Detailed Descriptions
390
Paper Lift Mechanism
391
Paper End Detection
393
Paper Height Detection
394
Service Tables
395
Replacement and Adjustment
396
Roller Replacement
397
Tray Motor Replacement
398
Paper Feed and Relay Clutch Replacement
399
Paper Feed Unit Replacement
400
Upper Paper Feed Unit
401
Paper End, Tray Lift, and Relay Sensor Replacement
402
Overall Machine Information
405
Mechanical Component Layout
406
Electrical Component Layout
407
Electrical Component Description
408
Drive Layout
409
Detailed Descriptions
410
Tray Lift and Paper Height Detection Mechanism
411
Tray Unit Slide Mechanism
412
Service Tables
413
Replacement and Adjustment
414
Roller Replacement
415
Tray Lift and Paper End Sensor Replacement
416
Relay Sensor Replacement
417
Side Fence Position Change
418
Overall Machine Information
421
Mechanical Component Layout
422
Electrical Component Layout
423
Detailed Descriptions
424
Paper Size Detection
425
Replacement and Adjustment
426
Paper Feed and Pick-Up Roller Replacement
427
Separation Roller Replacement
428
Paper End Sensor and Pick-Up Solenoid Replacement
429
Paper Size Sensor Board Replacement
430
By-Pass Table Removal
431
Paper Feed Clutch Replacement
432
Overall Machine Information
435
1 Overall Machine Information
436
Mechanical Component and Drive Layout
436
Electrical Component Layout
437
Detailed Descriptions
438
Replacement and Adjustment
439
Paper Sensor Replacement
440
Entrance and Paper Limit Sensor Replacement
441
Overall Machine Information
445
Mechanical Component Layout
446
Electrical Component Layout
447
Electrical Component Description
448
Drive Layout
450
Detailed Description
451
Pick-Up and Separation Mechanism
452
Original Feed Mechanism
453
Original Feed Drive Mechanism
454
Original Size Detection
455
Original Transport Mechanism
456
Original Skew Correction Mechanism
457
Original Inversion and Feed-Out Mechanism
458
Original Inversion Mechanism
459
Stamp
462
Jam Conditions
463
Timing Charts
464
Service Tables
466
Rom History
467
Replacement and Adjustment
469
Feed Unit Removal and Separation Roller Replacement
470
Feed Belt Replacement
471
Sensor Replacement
472
Entrance Sensor
473
Exit Sensor and Inverter Sensor
474
Transport Belt Replacement
475
Side-To-Side Registration Adjustment
476
Overall Machine Information
479
Mechanical Component Layout
480
Drive Layout
481
Detailed Description
482
Replacement and Adjustment
483
Overall Machine Information
487
Mechanical Component Layout
488
Electrical Component Layout
489
Electrical Component Description
490
Drive Layout
491
Detailed Descriptions
492
Up to A4 Lengthwise/Lt Lengthwise
493
2 Detailed Descriptions
493
Feed in and Exit Mechanism
494
Replacement and Adjustment
495
Entrance Sensor Replacement
496
3 Replacement and Adjustment
497
Exit Sensor Replacement
497
Junction Gate Mechanism
505
1 ,000-Sheet Finisher A681
509
Overall Machine Information
509
Mechanical Component Layout
510
1 Overall Machine Information
511
Electrical Component Layout
511
Electrical Component Descriptions
512
Drive Layout
514
Detailed Descriptions
515
Jogger Unit Paper Positioning Mechanism
516
Exit Guide Plate Open/Close Mechanism
517
Stapler
518
Feed out Mechanism
519
Shift Tray Up/Down Mechanism
520
Shift Tray Side-To-Side Mechanism
521
Jam Conditions
522
Timing Charts
523
Staple Mode (A4 Sideways, 2 Sheets/2 Sets)
524
Service Table
525
Replacement and Adjustment
526
Lower Left Cover
527
Entrance Sensor Replacement
528
Exit Sensor Replacement
529
Stack Height Sensor Replacement
530
Positioning Roller Replacement
531
Stapler Replacement
532
Rom History
533
Overall Machine Information
537
Mechanical Component Layout
539
Electrical Component Layout
540
Electrical Component Description
541
Drive Layout
543
Detailed Descriptions
544
Jogger Unit Paper Positioning Mechanism
545
Stapler Unit Movement Mechanism
546
Stapler
547
Feed-Out Mechanism
548
Shift Tray Up/Down Mechanism
549
Shift Tray Side-To-Side Mechanism
550
Punch Unit Drive Mechanism
551
Punch Waste Collection Mechnism
552
Jam Conditions
553
Timing Charts
554
A4 Sideways (2 Sheets): Sort/Stack and Punch Mode
555
A4 Sideways (2 Sheets): Staple and Punch Mode
556
Service Tables
557
Replacement and Adjustment
558
Shift Tray
559
Positioning Roller Replacement
560
Alignment Brush Roller Replacement
561
Sensor Replacemnt
562
Upper Tray Paper Limit and Exit Sensor
563
Shift Tray Exit Sensor
564
Entrance and Stapler Tray Entrance Sensor
565
Stapler Rotation Hp Sensor
566
Stapler Removal
567
Punch Position Adjustment
568
Stack Feed-Out Motor Speed Adjustment
569
Rom History
570
SwapboxAnd SwapftlInstallation Manual
573
Introduction
573
Windows 95 Version Confirmation
574
Swapbox Installation
576
Software (Swapftl) Installation
577
Flash Memory Card Automatic Detection
578
Troubleshooting
579
Failed to Open Pccard Errors
580
Swapftl Problem with Notebook Computers
581
Complete Uninstall
582
Overview
585
1 Overview
586
Operation
586
Downloading to a Machine
588
Functions
589
File – Save as
590
Image Menu
591
Image – Read
592
Image – Write
593
Image – Verification
594
Help – about Swaputi
595
Overall Machine Information
599
1 Overall Machine Information
600
Component Layout
600
Drive Layout
601
Electrical Component Descriptions
602
Detailed Descriptions
604
Proof Tray Sensors
605
Tray Sensors
606
Timing Chart and Misfeed Detection
607
Installation Procedure
609
Installation Procedure
610
Bridge Unit for Mailbox (G912)
613
Installation Procedure
614
Replacement and Adjustment
619
Tray Unit
620
Paper Sensor, Paper Overflow Sensor and Tray Exit Sensor
621
Main Control Board
622
Tray Exit Sensor Adjustment
623
Service Tables
625
5 Service Tables
626
Variable Resistors
626
Overall Machine Information
629
Detailed Section Descriptions
630
2 Detailed Section Descriptions
631
Image Scanning
631
Scanner Functions
632
Installation Procedure
633
Troubleshooting
638
Software Installation Procedure
639
Twain Driver Installation Procedure a
640
Ricoh Scan Utility Installation Procedure
644
Scanning Procedure
649
Windows 98 Cautions
655
Jbig Compression
662
Capabilities of Programmable Items
666
Overall Machine Control
667
Power Distribution and Control
668
Video Data Path
669
Reception
671
Installation
673
Periodic Service Call
676
Effective Term of Service Calls
676
Scanning Features
677
Image Rotation before Transmission
680
Just Size Printing
694
Fax Communication Features
697
V.8/V.34 Protocol
700
Pcbs
703
3 Installation
711
Fax Unit
711
Installation Procedure
712
Isdn Unit
720
Stamp Unit
723
Error Code Display (Function 03)
730
G3 Protocol Dump List (Function 05)
731
Ram Display and Rewrite (Function 06)
732
Ram Dump (Function 06)
733
Hard Disk (Function 08)
734
Modem Test (Function 11)
735
Dtmf Test (Function 11)
736
Ringer Test (Function 11)
737
G4 Parameter Programming (Function 12)
738
Tcr/Journal Printout (Function 14)
739
Data Transfer (Function 16)
740
Bit Switches
741
Scanner Switches
755
Printer Switches
763
Communication Switches
769
G3 Switches
777
Ncu Parameters
787
Dedicated Transmission Parameters
798
Parameters
799
Service Ram Addresses
803
Special Tools and Lubricants
816
Removal and Replacement
818
Removal
819
Sram Data Restore from Flash Card Backup
821
Rom Update
823
Fcu Rom Upload
825
Modem Rom Download
826
Sram Data Backup and Restore
828
Sram Restore from a Flash Memory Card
829
Data Address Ranges on the Card
830
Control Channel (Post Message – Pph)
843
Control Channel Recovery (AC)
844
Called Side
845
Phase 3 (Equalizer Training)
846
Phase 6 (Primary Channel)
847
Control Channel (Post Message – Pph)
848
Fax Sc Codes
849
Sc1207
850
Fax Sc Code Table
851
Firmware History
852
User Level Programming
859
Service Level Programming
860
1 Installation
859
Switch Settings
862
Parameter Switches
863
Service Tables and Procedures
865
G4 Parameter Switches
874
Transport Layer
884
Session Layer
885
Document Layer
886
G4Ccu Status Codes
887
Network Layer (Layer 3)
888
Reading the Sample Dump List
894
Layer 1 Status
897
Appendix A
919
A. D-Channel Layer 1 Dump List
919
Appendix-B B. G4 Parameter Locations
920
Software License Agreement
923
Hardware Installation
926
Driver Installation
926
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Ricoh A231 Service Manual (31 pages)
Brand:
Ricoh
| Category:
All in One Printer
| Size: 0.39 MB
Table of Contents
Service Manual
1
Table of Contents
11
Service Tables
12
Overall Machine Information
13
Mechanical Component Layout
14
Electrical Component Layout
15
Paper Limit Sensor
16
Troubleshooting
17
Detailed Descriptions
18
Detailed Section Descriptions
19
Service Call Conditions
20
Switches
22
Replacement and Adjustment
26
Parts Catalog
27
Development
28
Paper Registration
29
Fax Options
30
Ricoh A231 Installation Procedures (2 pages)
Ricoh AP4510: Install Guide
Brand:
Ricoh
| Category:
Printer Accessories
| Size: 0.11 MB
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