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All in One Printer
C231
Ricoh C231 User Manual
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INSTALLATION PROCEDURE
C267 1-24
SM
Installation Procedure
CAUTION
To avoid serious injury, do not connect
the power plug to the machine until
you are instructed to do so.
1.
Remove the small rear cove
r [A] in the rear cover. (
x 2)
2.
Cut out the USB port cover [B] in the small rear cover.
3.
Connect the VC-20 interface board [C]
to CN114 of the MPU board and secure
it using three screws.
4.
Reinstall the small rear cover.
C267I101.
W
MF
C267I101A.
W
MF
[A]
[B]
[C]
527
529
Table of Contents
Table of Contents
13
Default Chapter
5
Service Manual
5
Important Safety Notices
37
Installation
39
Overall Information
39
Preventive Maintenance
39
C231
41
Overall Information
43
Specification
45
Guide to Components and Their Function
49
Machine Exterior
49
Machine Interior
50
Keys
51
Operation Panel
51
Indicators
53
Printing Process
54
Mechanical Component Layout
55
Electrical Component Layout
56
Adf
56
Main Body
57
Boards
58
Motors
58
Sensors
59
Solenoids
59
Switches
59
Counters
60
Others
60
Drive Layout
61
Installation
118
Detailed Section Descriptions
63
Book Scanner Overview
65
Detailed Section Descriptions
65
Scanner and Optics
65
Adf Overview
66
Contact Image Sensor
68
Book Scanner
69
Drive Mechanism
69
Adf
70
Pick-Up and Feed (Adf)
71
Separation Mechanism (Adf)
72
Adf
73
Book Scanner
73
Error Conditions
73
Paper Feed
73
Image-Processing
74
Overview
74
A/D Conversion Processing
75
Shading Distortion Correction
75
Original Background Correction
76
Peak Hold
76
Binary Processing
77
Data Compensation Processing
77
Binary Processing in Letter/Photo Mode
78
MTF Correction
78
Error Diffusion
79
Main Scan Magnification
80
Image Position Adjustment in the Main Scan Direction
81
Paste Shadow Erase Mode
81
Specifications
82
Thermal Head
82
Thermal Head Control
82
Thermal Head Protection
82
Remarks for Handling the Thermal Head
83
Master Eject
84
Overall
84
Drum Position Lock Mechanism
85
Master Clamper Open Mechanism
85
Master Eject Roller Mechanism
86
Pressure Plate Mechanism
87
Master Feed
88
Master Feed Mechanism
89
Master Clamper Operation and Tension Roller Release Mechanism
90
Cutter Mechanism
91
Drum
92
Overall
92
Drum Drive Mechanism
93
Ink Supply Mechanism
94
Ink Roller Mechanism
95
Ink Supply Control
96
Detection of Masters on the Drum
97
Overall
98
Paper Feed
98
Paper Feed Mechanism
99
Registration Roller Mechanism
101
Registration Roller Up/Down Mechanism
102
Printing Pressure Mechanism
103
Paper End Detection Mechanism
104
Paper Table Mechanism
104
Table up and down Mechanism
104
Paper Table Side Fence Mechanism
105
Paper Table Side-To-Side Shift Mechanism
105
Side Fence Friction Pads
106
Overall
107
Paper Delivery
107
Paper Delivery Unit Drive Mechanism
108
Paper Separation from Drum
109
Exit Pawl Drive Mechanism
110
Error Detection
111
Master Eject Jam Detection
111
Original Jam Detection
111
Master Feed Jam Detection
112
Paper Feed Jam Detection
113
Power Connection
117
Access to Machine
118
Paper Delivery
118
Paper Feed
118
Accessory Check
119
Installation Procedure
119
Main Body
119
Installation Procedure
120
Accessory Check
125
Auto Document Feeder (Option)
125
Installation Procedure
126
Accessory Check
130
Tape Marker (Option)
130
Installation Procedure - for C231 -
131
Color Drum (Option)
133
Accessory Check
134
Installation Procedure
134
Interface Board (Option)
134
Service Tables
137
Service Tables
137
Friction Pad
137
Master Feed Section
137
Paper Feed Section
137
Paper Guide Plate Position for Registration Roller
137
Service Remarks
137
Thermal Head Installation
137
Thermal Head Voltage Adjustment
137
Doctor Roller
138
Drum and Drum Drive Section
138
Drum Master Clamper
138
Ink Pump
138
Ink Roller Unit
138
Main Motor
138
Drum
139
Electrical Components
139
Exit Pawl
139
Main Processing Unit (MPU) 1
139
Main Processing Unit (MPU) 2
139
Paper Delivery Section
139
Power Supply Unit
139
Sensor Adjustments
139
Sensors
139
Dip Sw, Led, Vr, Tp, and Fuse Tables
140
Led's
140
Potentiometers
140
Power Supply Unit
140
Test Points
140
Fuses
141
Lines
141
Master Eject
141
Paper Feed
141
Led's
142
Service Call Codes
142
Access Procedure
144
Service Program Mode
144
Service Program Mode Access Procedure (for Engineers)
144
Service Program Mode Access Procedure (for Users)
145
Service Program Table
145
Change Adjustment Values or Modes
146
Led's
147
Service Program Table
147
Switches
153
Remarks
156
Input/Output Check Mode
159
Input/Output Check Mode Access Procedure
159
Input Check Table
160
Master Making Unit
160
Output Check Table
162
Test Pattern Image Mode
164
User Code Mode
165
C231 Firmware Modification History
167
Rom History
167
Preventive Maintenance
169
Maintenance Table
171
Preventive Maintenance
171
Main Drive
172
Exterior Cover Removal
175
Rear Covers
175
Operation Panel
176
Platen Cover and Upper Covers
177
Top Cover and Exposure Glass
177
Other Covers
178
Copy Image Adjustment
180
Leading Edge Registration Adjustment
180
Side-To-Side Registraion Adjustment
181
Vertical Magnification Adjustment
182
Leading Edge Blank Margin Adjustment
183
Mpu Replacement
184
Adf Roller Asssembly
185
Original Feed Section
185
Pick-Up Roller
185
Feed Roller
186
Separation Roller
186
Adf Motor and Covers
187
R0 and R1 Rollers
187
R2 Roller
188
Document Sensor
189
Scan Line Sensor
189
Cover Sensors
190
Master Feed Section
191
Master Making Unit Removal
191
Scanner
191
Thermal Head Removal
193
Installation
194
Remarks for Thermal Head Installation
194
Thermal Head Voltage Adjustment
195
Master End Sensor Adjustment
197
Master Eject Section
198
Master Eject Unit
198
Master Eject Unit Removal
198
Paper Feed Section
199
Paper Separation Pressure Adjustment
200
Paper Feed Pressure Adjustment
201
Registration Roller Clearance Adjustment
202
Installation
203
Press Roller Removal
203
Printing Section
203
Press Roller Lock Lever Adjustment
204
Printing Pressure Adjustment
206
Drum and Drive Section
207
Drum Cloth Screen Removal
207
Remarks for the Cloth Screen Installation
208
Drum Master Clamper and Metal Screen Removal
210
Remarks for Drum Screen Installation
212
Ink Roller Unit Removal
213
Doctor Roller Gap Adjustment
215
Ink Detection Adjustment
217
Position Adjustment
218
Main Drive Timing Belt Tension Adjustment
220
Main Motor Pulley Position Adjustment
222
Paper Delivery Section
223
Vacuum Unit Removal
223
Delivery Belt/Paper Exit Sensor Removal
224
Vacuum Motor Removal
225
Exit Pawl Clearance Adjustment
226
Exit Pawl Drive Timing Adjustment
227
Specifications
231
Basic Operation
232
Overview
232
Drive and Cutting Mechanism
233
Manual Cut
234
Replacement and Adjustment
235
Cutter Replacement
235
Cutter Home Position Sensor Replacement
236
Tape Cut Length Adjustment
237
Table of Contents
241
Regulatory Notices
243
Introduction
245
System Requirements
245
Hardware Installation
246
Configuration of Ibm Pc and Compatibles
247
Priport Controller Configuration
247
Factory Settings
247
Controller Configuration Program
247
Windows 3.1 and Windows 95 Configuration
248
Configuration for Macintosh Computers
250
Application Software Set-Up
251
GDI Printing under Windows 3.1
251
GDI Printing under Windows 95
256
Quickdraw Printing on the Macintosh
261
Priport Controller Operation
262
Power-On/Power-Off Sequence
262
Front Panel Indicator Lights
262
Ready Light
262
Copy Setting, Page Size Selection and Image Overlay Functions
262
Digiprint Monitor Function (Macintosh Only)
263
Error Codes
264
Commonly Asked Questions
265
Troubleshooting
267
Paper Separation Pressure Adjustment
276
Printing
278
Detailed Section Descriptions
281
Drum
284
Motors
284
Cloth Screen
291
Sensors
291
Counters
293
Others
299
Installation
300
Installation
301
Master Eject Unit
316
Installation Requirements
323
Access to the Machine
324
Procedure
325
Notes
334
Procedure
335
Procedure
336
Scanner Drive
359
Table of Contents
361
Press Roller Release Lever Adjustment
370
Ink Pump Adjustment
376
Ink Detection Adjustment
380
Main Drive Timing Belt Adjustment
380
Main Motor Pulley Position
380
Delivery Belt / Paper Exit Sensor
381
Paper Delivery Unit
381
Clearance Adjustment
382
Exit Pawl Adjustment
382
Timing Adjustment
383
Air Pump Adjustment
384
Special Tools
385
Error Codes
389
Covers
391
Blown Fuse Conditions
394
Dip Switches
395
Using Service Program Modes
399
How to Select a Program Number
400
Sp6-21: Paper Registration Position
411
Sp6-01: Main Scan Position - Platen
412
Sp6-03: Scanning Start Position - Platen
412
Sp6-04: Scanning Start Position - Adf
412
Sp6-05: Scanning Speed - Platen
412
Sp6-31: Sbu Calibration
413
Operation Panel
425
Pressure Plate Mechanism
432
Scanner Unit
433
Image Processing
435
Main Scan Enlargement/Reduction
436
Mtf Filter
436
Binary Processing
437
Fine Mode
437
Specifications
438
Thermal Head Protection
438
Remarks for Handling the Thermal Head
439
Overview
440
Thermal Head Control
438
Master Feed
440
Procedure
440
Master Feed Mechanism
441
Notes
441
Procedure
441
Clamper and Tension Roller Mechanism
442
Cutter Mechanism
443
Drum
444
Notes
444
Boards
445
Drum
445
Overview
450
Notes
457
Procedure
457
Mechanism
459
Timing Chart
460
Jam Detection
466
Feeding in the Original
467
Notes
470
General Specifications
475
Overall Information
481
Specifications
481
Mechanical Component Layout
482
Electrical Component Layout
483
Electrical Component Description
484
Drive Layout
485
Detailed Section Descriptions
486
Original Size Detection
486
Pick-Up and Separation
488
Original Transport and Exit Mechanism
489
Overall Electrical Circuit
490
Feed Unit Removal
491
Replacement and Adjustment
491
Separation Roller Replacement
491
Feed Belt Replacement
492
Pick-Up Roller Replacement
492
Original Set Sensor Replacement
493
Original Size Sensors Replacement
494
Notes
494
Feed Cover Open Sensor/Df Open Sensor Replacement
495
Original Exit Tray/Front Cover/Rear Cover Removal
495
Rear Cover
495
Feed Clutch/Pick-Up Sol/Transport Motor Replacement
496
Df Feed Cover
497
Df Feed Cover Removal
497
Front Cover
497
Registration Sensor Replacement
497
Environments to Avoid
505
Installation Requirements
505
Optimum Environmental Condition
505
Power Connection
505
Dimensions
506
Minimum Space Requirements
506
Main Body and Peripherals
507
Power Sockets for Peripherals
508
Accessory Check
509
Installation Procedure
509
Main Body
509
Installation Procedure
510
Installation Procedure
513
Installation Procedure
515
Notes
515
Notes
516
Changing the Operation Panel Language
517
Date/Time Setting
517
SP Codes Setting
517
Accessory Check
518
Color Drum (Option)
518
Installation Procedure
518
Accessory Check
519
Adf (Option)
519
Installation Procedure
520
Others
520
Accessory Check
522
Installation Procedure
522
Platen Cover (Option)
522
Accessory Check
523
For C238 -
523
Installation Procedure
523
Tape Dispenser (Option)
523
Accessory Check
527
Boards
527
Installation Procedure
527
Printer Unit VC-20 (Option)
527
Installation Procedure
528
Paper Feed
529
Notes
530
DF Exposure Glass
536
Exposure Glass/Df Exposure Glass, Scales
536
Scanner
536
Lens Block
537
Exposure Lamp, Lamp Stabilizer Board
538
Scanner Home Position Sensor
539
Scanner Motor
539
Platen Cover Sensor
540
Adjusting the Scanner Position
541
Overview
541
Adjusting the Belt Contact Points for the First Scanner
542
Adjusting the Belt Contact Points for the Second Scanner
543
Master Feed
545
Master Making Unit
545
Master Making Unit Set Switches
545
Switches
545
Thermal Head
547
Installation
548
Master End Sensor
549
Master Set Cover Sensor
549
Cutter Unit
550
Thermal Head Voltage Adjustment
551
Master End Sensor Adjustment
552
Master Eject Unit
553
Master Eject Motor / Pressure Plate Motor
554
Master Eject Rollers
554
Air Knife Fan Motor
556
Pressure Plate Hp Sensor / Pressure Plate Limit Sensor
556
Master Clamper Opening Unit
557
Master Eject Position Sensor
557
Paper Feed
558
Pick-Up Roller / Paper Feed Roller / Friction Pad
558
Paper Table Lower Limit Sensor
559
Feed Unit
560
Paper Height Sensor 1 / 2
560
Paper End Sensor
561
Paper Feed Clutch
562
Paper Table Motor
562
Paper Separation Pressure Adjustment
563
Press Roller
564
Printing
564
Feed Start Timing Sensor
565
Registration Sensor
565
Registration Motor
567
Registration Roller
568
Press Roller Release Solenoids
570
Press Roller Release Lever Adjustment
571
Printing Pressure Adjustment
572
Cloth Screen
573
Drum
573
Preparation
573
Installation
574
Clamper / Metal Screen
576
Installation
577
Ink Pump Unit
579
Ink Roller Unit / Ink Roller One-Way Clutch
580
Doctor Roller Gap Adjustment
582
Ink Detection Adjustment
583
Using an Oscilloscope
583
Simple Method
584
Paper Delivery
585
Paper Delivery Unit
585
Delivery Belt / Paper Exit Sensor / Vacuum Fan Motor / Paper Delivery Unit Bushings
587
Clearance Adjustment
588
Exit Pawl Adjustment
588
Timing Adjustment
589
Main Drive
591
Main Motor
591
Main Drive Timing Belt Adjustment
594
Main Motor Pulley Position
595
Firmware Update (I/O Rom)
596
Special Tools
596
Color Drum
597
Ink Pump Adjustment
597
Electrical Component Defects
601
Paper Eject
602
Accessing Sp Modes
607
Entering SP Mode
607
Leaving SP Mode
607
Using Service Program Modes
607
Service Program Mode
607
How to Select a Program Number
608
Main Menu Number List
608
Copy Data
609
Sp Table (Sp 1-XXX)
609
Sp1-70: Main Firmware Parts Number
609
Sp1-80: Error Code History
609
Sp1-83: Psu Unusual Voltage History
609
Basic Settings
610
Sp Table (Sp 2-XXX)
610
Sp2-33: Re-Feeding
611
Sp2-33: Re-Feeding Setting
611
Sp2-40, 2-55: Thermal Head Energy Control
611
Sp2-60: Bold Mode: Letter Mode Only
611
Sp2-61: T/H Swing Mode
611
Sp2-6: Image Position Display
611
Sp2-100: Make Master Without Print
612
Sp2-62: T/H Swing Amount
612
Sp2-80: Auto off at Unusual Voltage
612
Sp2-95: Paper Table Standby Position
612
Sp Table (Sp 3-XXX)
613
Sp3-1: Input the Present Time
613
System Settings
613
Sp3-4: Input Installation Date
614
Input Mode
615
Sp Table (Sp 4-XXX)
615
Output Mode
616
Sp Table (Sp 5-XXX)
616
Adjustment
617
Sp Table (Sp 6-XXX)
617
Sp Table
618
Sp6-10: Master Writing Speed
619
Sp6-21: Paper Regist Position
620
Sp6-5: Scanning Speed – Platen and
620
Sp6-20: Registration Buckle
621
Sp6-32 to 37: Mtf Filter
622
Sp6-40: Ink Detection Adjustment
622
Sp6-100 to 104: Paper Registration - each Speed
623
Memory Clear
624
Sp Table (Sp 7-XXX)
624
Sp7-1: Factory Settings Clear
624
Sp7-3: Total Counter Clear
624
Sp Table (Sp 8-XXX)
625
System Test
625
Sp8-1. Download Main Firmware
626
Sp8-2: Upload Main Firmware
626
Sp8-9 Data Printout – Power Failure
627
Mechanism
628
Sp8-10: Test Patterns
628
Sp8-21: Paper Feed Test (30 Rpm)
628
Sp8-22: Free Run Paper Feed (30 Rpm)
628
Counter
629
Main Menu Number List
629
System
629
User Tool Lists
629
User Tools
629
Initial Settings
630
Set Operation Mode
630
Administrator Tools
631
Mode Settings
631
Online Settings
631
Pick-Up Roller
632
Separation Roller
632
Feed Clutch
635
Image Processing Flow
639
Specifications
640
Master Eject Unit Open Mechanism
642
Clamper Mechanism
643
Master Feed Mechanism
647
Cutter Mechanism
650
Master Making Unit Slide-Out Mechanism
652
Master Set Mechanism
653
Drum Drive Mechanism
655
Ink Supply Mechanism
656
Ink Roller Mechanism
657
Ink Supply Control
658
Automatic Ink Supply for a New Drum
659
Detection of Masters on the Drum
660
Metal Screen
661
Black Drum
662
Drum Type Detection
662
Paper Feed
663
Overall
663
Paper Feed Mechanism
664
Paper Feed/Separation Pressure Adjustment Mechanism
665
Side Edge Paper Press Plate Mechanism
666
Paper Feed Retry Mechanism
667
Registration Roller Mechanism
667
Registration Sensor
667
Registration Roller Up/Down Mechanism
668
Registration Sensor Cleaning
669
Printing Pressure Mechanism
670
Paper Table Mechanism
671
Paper End Detection Mechanism
672
Paper Table Side Fence Mechanism
673
Paper Table Side-To-Side Shift Mechanism
673
Side Fence Friction Pads
674
Paper Delivery
675
Mechanism
676
Notes
676
Paper Delivery Unit Drive Mechanism
676
Air Knife
677
Exit Pawl Drive Mechanism
678
Compressing the Used Master
683
Just after Turning on the Main Switch
683
Picking up the Used Master from the Drum
683
Cutting the Master
685
Timing Chart
687
Printing
691
Others
692
Paper Delivery
692
Specifications
693
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Ricoh C231 Specifications
General
Brand
Ricoh
Model
C231
Category
All in One Printer
Language
English
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