Operation Panel425
Pressure Plate Mechanism432
Scanner Unit433
Image Processing435
Main Scan Enlargement/Reduction436
Mtf Filter436
Binary Processing437
Fine Mode437
Specifications438
- Thermal Head Protection438
- Remarks for Handling the Thermal Head439
- Overview440
Thermal Head Control438
Master Feed440
- Procedure440
- Master Feed Mechanism441
- Notes441
- Procedure441
- Clamper and Tension Roller Mechanism442
- Cutter Mechanism443
Drum444
- Notes444
- Boards445
- Drum445
- Overview450
- Notes457
- Procedure457
- Mechanism459
- Timing Chart460
Jam Detection466
- Feeding in the Original467
- Notes470
- General Specifications475
Overall Information481
- Specifications481
- Mechanical Component Layout482
- Electrical Component Layout483
Electrical Component Description484
- Drive Layout485
- Detailed Section Descriptions486
- Original Size Detection486
- Pick-Up and Separation488
- Original Transport and Exit Mechanism489
- Overall Electrical Circuit490
- Feed Unit Removal491
Replacement and Adjustment491
Separation Roller Replacement491
Feed Belt Replacement492
Pick-Up Roller Replacement492
Original Set Sensor Replacement493
Original Size Sensors Replacement494
- Notes494
- Feed Cover Open Sensor/Df Open Sensor Replacement495
- Original Exit Tray/Front Cover/Rear Cover Removal495
- Rear Cover495
- Feed Clutch/Pick-Up Sol/Transport Motor Replacement496
- Df Feed Cover497
- Df Feed Cover Removal497
- Front Cover497
Registration Sensor Replacement497
- Environments to Avoid505
- Installation Requirements505
- Optimum Environmental Condition505
- Power Connection505
- Dimensions506
- Minimum Space Requirements506
- Main Body and Peripherals507
- Power Sockets for Peripherals508
- Accessory Check509
- Installation Procedure509
- Main Body509
- Installation Procedure510
- Installation Procedure513
- Installation Procedure515
- Notes515
- Notes516
- Changing the Operation Panel Language517
- Date/Time Setting517
- SP Codes Setting517
- Accessory Check518
- Color Drum (Option)518
- Installation Procedure518
- Accessory Check519
- Adf (Option)519
- Installation Procedure520
- Others520
- Accessory Check522
- Installation Procedure522
- Platen Cover (Option)522
- Accessory Check523
- For C238 -523
- Installation Procedure523
- Tape Dispenser (Option)523
- Accessory Check527
- Boards527
- Installation Procedure527
- Printer Unit VC-20 (Option)527
- Installation Procedure528
- Paper Feed529
- Notes530
- DF Exposure Glass536
- Exposure Glass/Df Exposure Glass, Scales536
- Scanner536
- Lens Block537
- Exposure Lamp, Lamp Stabilizer Board538
- Scanner Home Position Sensor539
- Scanner Motor539
- Platen Cover Sensor540
- Adjusting the Scanner Position541
- Overview541
- Adjusting the Belt Contact Points for the First Scanner542
- Adjusting the Belt Contact Points for the Second Scanner543
- Master Feed545
- Master Making Unit545
- Master Making Unit Set Switches545
- Switches545
- Thermal Head547
- Installation548
- Master End Sensor549
- Master Set Cover Sensor549
- Cutter Unit550
- Thermal Head Voltage Adjustment551
- Master End Sensor Adjustment552
- Master Eject Unit553
- Master Eject Motor / Pressure Plate Motor554
- Master Eject Rollers554
- Air Knife Fan Motor556
- Pressure Plate Hp Sensor / Pressure Plate Limit Sensor556
- Master Clamper Opening Unit557
- Master Eject Position Sensor557
- Paper Feed558
- Pick-Up Roller / Paper Feed Roller / Friction Pad558
- Paper Table Lower Limit Sensor559
- Feed Unit560
- Paper Height Sensor 1 / 2560
- Paper End Sensor561
- Paper Feed Clutch562
- Paper Table Motor562
- Paper Separation Pressure Adjustment563
- Press Roller564
- Printing564
- Feed Start Timing Sensor565
- Registration Sensor565
- Registration Motor567
- Registration Roller568
- Press Roller Release Solenoids570
- Press Roller Release Lever Adjustment571
- Printing Pressure Adjustment572
- Cloth Screen573
- Drum573
- Preparation573
- Installation574
- Clamper / Metal Screen576
- Installation577
- Ink Pump Unit579
- Ink Roller Unit / Ink Roller One-Way Clutch580
- Doctor Roller Gap Adjustment582
- Ink Detection Adjustment583
- Using an Oscilloscope583
- Simple Method584
- Paper Delivery585
- Paper Delivery Unit585
- Delivery Belt / Paper Exit Sensor / Vacuum Fan Motor / Paper Delivery Unit Bushings587
- Clearance Adjustment588
- Exit Pawl Adjustment588
- Timing Adjustment589
- Main Drive591
- Main Motor591
- Main Drive Timing Belt Adjustment594
- Main Motor Pulley Position595
- Firmware Update (I/O Rom)596
- Special Tools596
- Color Drum597
- Ink Pump Adjustment597
- Electrical Component Defects601
- Paper Eject602
- Accessing Sp Modes607
- Entering SP Mode607
- Leaving SP Mode607
- Using Service Program Modes607
Service Program Mode607
- How to Select a Program Number608
- Main Menu Number List608
- Copy Data609
- Sp Table (Sp 1-XXX)609
- Sp1-70: Main Firmware Parts Number609
- Sp1-80: Error Code History609
- Sp1-83: Psu Unusual Voltage History609
- Basic Settings610
- Sp Table (Sp 2-XXX)610
- Sp2-33: Re-Feeding611
- Sp2-33: Re-Feeding Setting611
- Sp2-40, 2-55: Thermal Head Energy Control611
- Sp2-60: Bold Mode: Letter Mode Only611
- Sp2-61: T/H Swing Mode611
- Sp2-6: Image Position Display611
- Sp2-100: Make Master Without Print612
- Sp2-62: T/H Swing Amount612
- Sp2-80: Auto off at Unusual Voltage612
- Sp2-95: Paper Table Standby Position612
- Sp Table (Sp 3-XXX)613
- Sp3-1: Input the Present Time613
- System Settings613
- Sp3-4: Input Installation Date614
- Input Mode615
- Sp Table (Sp 4-XXX)615
- Output Mode616
- Sp Table (Sp 5-XXX)616
- Adjustment617
- Sp Table (Sp 6-XXX)617
- Sp Table618

Sp6-10: Master Writing Speed619

Brand	Ricoh
Model	C231
Category	All in One Printer
Language	English

Ricoh C231 User Manual

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Ricoh C231 Specifications

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