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Ricoh TH-C1b Manuals
Manuals and User Guides for Ricoh TH-C1b. We have
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Ricoh TH-C1b manual available for free PDF download: Service Manual
Ricoh TH-C1b Service Manual (433 pages)
B156/B220
Brand:
Ricoh
| Category:
Copier
| Size: 10.27 MB
Table of Contents
Table of Contents
3
Installation
13
Installation Requirements
13
Environment
13
Machine Level
13
Power Requirements
14
Space Requirements
14
Copier (B156/B220)
15
Power Sockets for Peripherals
15
Installation Flow Chart
16
Accessory Check
17
Installation Procedure
18
Paper Tray Unit (B456)
25
Accessory Check
25
Installation Procedure
25
Lct (B457)
29
Accessory Check
29
Installation Procedure
29
Auto Reverse Document Feeder (B810)
33
Accessory Check
33
Installation Procedure
33
Interchange Unit (B481)
36
Accessory Check
36
Installation Procedure
37
Bin Tray Unit (B480)
38
Accessory Check
38
Installation Procedure
39
Shift Tray (B510)
42
Accessory Check
42
Installation Procedure
42
By-Pass Feed Unit (B490)
45
Accessory Check
45
Installation Procedure
45
Duplex Unit (B509)
47
Accessory Check
47
Installation Procedure
48
Bridge Unit (B482)
50
Accessory Check
50
Installation Procedure
50
1000-Sheet Finisher (B408)
54
Accessory Check
54
Installation Procedure
55
500-Sheet Finisher (B458)
58
Accessory Check
58
Installation Procedure
59
Platen Cover Installation
61
Printer Options
62
Postscript 3 (B769)
62
File Format Converter (B609)
63
Ieee1394 Interface (B581)
64
UP Mode Settings for IEEE 1394
65
SP Mode Settings for IEEE 1394
65
Ieee 1284 (B679)
66
Installation Procedure
66
Ieee802.11B (G813)
67
UP Mode Settings for Wireless LAN
69
SP Mode Settings for IEEE 802.11B Wireless LAN
70
Bluetooth (B736)
71
Checking the Connections
72
Data Overwrite Security Unit (B735)
73
Accessory Check
73
Seal Check and Removal
73
Installation Procedure
74
Key Counter Installation
76
Anti-Condensation Heater
78
Tray Heater
80
Tray Heater (Optional Paper Tray Unit)
82
Tray Heater (Optional Lct)
84
Preventive Maintenance
86
Main Unit
86
Overview
86
Waste Toner Bottles
87
Pm Table
88
Optional Unit Pm Table
91
Replacement and Adjustment
92
Special Tools
92
Filters
92
Scanner Unit
93
Exposure Glass
93
Aps Sensors
93
Lens Block Assembly
94
Exposure Lamp Stabilizer
96
Scanner Lamp
96
Scanner I/O Board
99
Scanner Motor
99
Front Scanner Wire
99
Rear Scanner Wire
102
Laser Unit
104
Caution Decal Location
104
Laser Unit
105
Adjusting for Image Skew
107
D-Phase Adjustment
108
Laser Beam Pitch Adjustment
109
Polygonal Mirror Motor and Lsd
110
Development Unit
111
Photoconductor Unit (Pcu)
112
Pcu Assembly
112
Waste Toner Bottles
115
Charge Corona Unit, Grid, Wire, and Cleaner
116
Charge Corona Wire Cleaner Motor
118
Opc Belt Cleaning Unit
118
Image Transfer Belt Cleaning Unit
118
Paper Transfer Unit
119
Vertical Transport Unit
119
Transfer Roller
119
Fusing/Paper Exit
120
Fusing Unit
120
Oil Supply Unit
120
Oil Supply Pad
121
Cleaning Roller and Fusing Sponge Roller
121
Oiling Roller and Oil Supply Roller
122
Fusing Lamps
123
When Installing the Fusing Lamps
123
Fusing Inner Unit
124
Pressure Roller Thermofuse
124
Hot Roller Strippers
125
Fusing Belt Unit and Pressure Roller Unit
125
Pressure Roller, Pressure Roller Gear, and Cleaning Roller
126
Pressure Roller Thermistor
127
Oil Absorbers
128
Fusing Entrance and Transfer Belt Sensors
129
Paper Exit/Overflow Sensors
130
Paper Feed and Transport
132
Feed Roller and Friction Pad
132
Registration Sensor
133
Paper Feed Sensor 1
136
Paper Near-End Sensors
136
Paper Feed Sensor 2
137
Paper End Sensor 1
138
Paper End Sensor 2
138
Electrical Components
139
Exhaust Fan and I/O Board
139
Bicu Board and Controller Board
140
Hdd
141
High Voltage Supply Board
142
Power Supply Unit
143
Drive Units
144
Development Clutches
144
K Development Units
144
C, y and M Development Units
144
Development Motors
145
Main Motor
145
Pcu Gear Box
146
Fusing Unit Motor
146
Paper Feed Clutch 1
147
Paper Feed Motor
147
Paper Feed Clutch 2
148
Registration Clutch
148
Oil Pump
149
Copy Adjustment
150
Printing
150
Registration - Leading Edge/Side-To-Side
150
Blank Margin
151
Main Scan Magnification
151
Scanning
152
Scanner Sub-Scan Magnification
152
Scanner Leading Edge and Side-To-Side Registration
152
Main Scan Dot Position Correction
153
Ardf Image Adjustment
154
ARDF Side-To-Side and Leading Edge Registration
154
ARDF Skew Adjustment
155
Color Adjustment
156
Auto Color Calibration (Acc)
156
Printer Gamma Correction
157
Copy Mode
157
Printer Mode
161
Scanner White Level Adjustment
163
White Level Check
163
White Level Adjustment
163
Touch Screen Calibration
166
Checking the Breaker Switch
167
Breaker
167
Troubleshooting
168
Service Call
168
Service Call Conditions
168
Sc Table
169
Self-Diagnostic Mode
187
Overview
187
Detailed Self-Diagnostics
188
Image Test Mode
189
Overview
189
Vpu Test
189
SP4-907-1: VPU Test Pattern: R
189
SP4-907-2: VPU Test Pattern: G
189
SP4-907-3: VPU Test Pattern: B
189
Ipu Test
189
Gavd Test
189
Electrical Component Defects
190
Sensors
190
Switches
192
Blown Fuse Conditions
192
Check Points for Image Problems at Regular Intervals
193
Trapezoid Images
194
Parallelogram Images
195
Checking the Image with the Trimming Pattern
196
Correcting the Images
197
Flowchart
197
Action
198
Adjusting for Image Skew
199
Service Tables
204
Service Program Mode
204
Service Program Mode Operation
204
Starting the SP Mode
204
Quitting the SP Mode
204
SP Mode Touch Screen
205
Copy Window for Test Printing
205
Working on SP Mode Menus
206
Service Mode Lock/Unlock
207
Sp Mode Table
208
SP1-XXX: (Feed)
208
SP2-XXX: (Drum)
212
SP3-XXX: (Process)
221
SP4-XXX: (Scanner)
225
SP5-XXX: (Mode)
233
SP6-XXX: (Peripherals)
258
Service Program Mode
258
SP7-XXX: (Data Log)
261
SP8-XXX: Data Log2
271
Service Program Mode
271
Test Pattern Printing (Sp5-955-1)
305
Input Check
306
Main Machine Input Check (SP5-803)
306
ARDF Input Check (SP6-007)
310
Finisher Input Check (SP6-117)
311
Main Machine Output Check (SP5-804)
312
ARDF Output Check (SP6-008)
315
Finisher Output Check (SP6-118)
315
Smc Data Lists (Sp5-990)
316
Original Jam History Display
316
Total Count
316
Details on the most Recent Jams
316
Copy Jam History Display
317
Total Count
317
Details on the most Recent Jams
317
Memory All Clear (Sp5-801)
318
Using an SD Card
318
Without Using a Flash Memory Card
319
Printer Service Mode
320
Service Mode Table
320
Service Table Key
320
Sp Modes Related to the Printer Controller
322
Scanner Service Mode
323
Scanner Program Mode Table
323
SP1-XXX (System and Others)
323
SP2-XXX (Scanning-Image Quality)
323
Aps Output Display (Sp4-301)
324
Program Download
325
Firmware
325
Nvram Data Upload/Download
327
Uploading NVRAM Data (SP5-824)
327
Downloading NVRAM Data (SP5-825)
328
Software Reset
329
System Settings and Copy Setting Reset
329
System Setting Reset
329
Copier Setting Reset
330
User Tools
331
How to Enter User Tools
331
UP Mode Initial Screen: User Tools/Counter Display
331
System Settings
331
Copier/Document Server Features
331
Printer, Facsimile, Scanner Settings
331
Inquiry
331
Counter
332
Dip Switches
332
Sd Card Application Move
333
Overview
333
Move Exec
334
Undo Exec
334
Using the Debug Log
335
Switching on and Setting up Save Debug Log
335
Retrieving the Debug Log from the Hdd
338
Recording Errors Manually
339
New Debug Log Codes
340
SP5857-015 Copy SD Card-To-SD Card: any Desired Key
340
SP5857-016 Create a File on HDD to Store a Log
340
SP5857-017 Create a File on SD Card to Store a Log
340
Detailed Section Descriptions
342
Overview
342
Paper Path
343
Drive Components
344
Layout
344
Drive Power Path
345
Electrical Components
346
Scanner Unit
346
Image Transfer
347
Paper Path
348
Development Units
349
Boards
350
Board Structure
351
Block Diagram
351
Controller
353
Copy Process
355
Process Control
357
Overview
357
Process Control Steps
358
Supplementary Information on Process Control
358
Scanning
360
Overview
360
Scanner Drive
361
Book Mode
361
ARDF Mode
361
Original Size Detection
362
Image Processing
364
Overview
364
Sbu Block Diagram
365
Signal Processing
365
A/D Conversion
365
White Level Correction
365
Others
365
Black Level Correction
366
VPU Test Mode
366
Image Processing
367
Shading Correction
367
Picture Element (Dot Position) Correction
367
Scan Line Correction
367
Scanner Gamma Correction (RGB Gamma Correction)
368
Filtering
368
ADS (Auto Image Density Selection)
368
ACS (Auto Color Selection)
369
Main Scan Magnification
370
Printer Gamma Correction
371
Error Diffusion
373
Photoconductor Unit (Pcu)
374
Overview
374
Charge Corona Unit
375
Power Supply
375
Grid and Wire Cleaning
375
Quenching
376
Opc Belt Drive
377
Opc Belt Cleaning Unit
377
Bottle Detection
377
Waste Toner Collection
378
Drive
378
Image Transfer Belt Unit
379
Drive
379
Belt Mark Detection
379
Transfer Roller
380
Image Transfer Belt Cleaning Unit
381
Image Transfer Belt Cleaning
381
Waste Toner Collection
381
Set Switch and Full Sensor
381
Contact Mechanism
382
Power Supply
383
Drive
383
Laser Exposure
384
Overview
384
Polygon Mirror Motor Unit
385
Speed
385
Synchronization Detector
385
Ld Unit
385
Ld Safety Switch
386
Front Door
386
Circuit
386
Operation Panel Display and Switch Mechanism
387
Development
388
Overview
388
Development Unit
389
Replacing Units
389
Distinguishing the Development Unit with the One for the B051 Series
389
Toner Supply Mechanism
390
Drive
390
Rollers and Agitators
391
Shutter
391
Toner End Detection
393
Toner End Recovery
393
Development Unit Contact Mechanism
395
Mechanism
395
Reverse Rotation
396
Power Source
397
Development, Toner Supply, and Doctor Rollers
397
Doctor Roller
397
Paper Feed
398
Overview
398
Transport Speed
399
Friction Pad
399
Drive Mechanism
399
Feed and Vertical Transport
399
Registration
399
Paper Lift
400
Lift Mechanism
400
Paper End/Near-End Detection
400
Paper Size Detection
401
Mechanism
401
Switch Pattern
401
Paper Transfer and Separation
402
Overview
402
Jammed Paper Release
402
Image Transfer and Paper Separation
402
Contact/Separation Mechanism
403
Timing
403
Mechanism
403
Power Supply
404
Circuit
404
Paper Transfer Roller Bias
404
Discharge Plate
404
Temperature/Humidity Control
404
Roller Cleaning
405
Image Fusing and Paper Exit
406
Overview
406
Drive
407
Fusing Unit Components
408
Fusing Belt
408
Heating Roller Lamp and Pressure Roller Lamp
408
Fusing Bias
409
Fusing Unit Scs
409
Oil Supply
410
Oil End Detection and Recovery
412
Temperature Control
413
Energy Saver Modes
414
Overview
414
Panel off Mode
415
Low Power Mode
416
Auto off Mode
417
Paper Exit
418
Drive
418
Paper Jam Detection
418
Paper Overflow Detection
418
Print Data Processing
419
Rpcs Driver
419
Pcl5C Driver
419
Ps3 Driver
420
CMS (Color Management System)
420
Gray Correction
420
BG/UCR (Black Generation/Under Color Removal)
420
Gamma Correction
420
Toner Limitation
421
Dither Processing and ROP/RIP
421
File Format Converter (Mlb)
422
Data Overwrite Security Unit (B735)
423
Auto Erase Memory
423
Types of Data Overwritten and Not Overwritten
423
Overwrite Timing
423
Specifications
424
General Specifications (Main Unit)
424
System Components
426
Optional Equipment
429
Bridge Unit
429
By-Pass Tray Unit
430
Duplex Unit
430
Interchange Unit
430
Lct
431
Paper Tray Unit
431
Shift Tray Unit
431
1-Bin Tray Unit
432
500-Sheet Finisher
432
1000-Sheet Finisher
433
Upper Tray
433
Lower Tray
433
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