Ricoh R-C4 Manuals

Manuals and User Guides for Ricoh R-C4. We have 1 Ricoh R-C4 manual available for free PDF download: Service Manual

Ricoh R-C4 Service Manual (433 pages)

Brand: Ricoh | Category: All in One Printer | Size: 7.46 MB

Table of Contents
5
Installation Procedure
14
Installation Requirements
14
Environment
14
Machine Level
14
Minimum Space Requirements
15
Power Requirements
16
Copier Installation
17
Power Sockets for Peripherals
17
Installation Flow Chart
18
Accessory Check
19
Installation Procedure
20
Tapes and Retainers
20
Developer
21
Toner Bottle
25
Emblem, Decals
26
Paper Tray Unit Installation
28
Accessory Check
28
Installation Procedure
29
Lct Installation
32
Accessory Check
32
Installation Procedure
33
Ardf Installation
36
Accessory Check
36
Installation Procedure
37
Interchange Unit Installation
41
Component Check
41
Installation Procedure
42
1-Bin Tray Unit Installation
44
Component Check
44
Installation Procedure
45
Shift Tray
48
Component Check
48
Installation Procedure
49
By-Pass Feed Unit Installation
51
Components Check
51
Installation Procedure
52
Duplex Unit Installation
54
Accessory Check
54
Installation Procedure
55
Bridge Unit Installation
57
Accessory Check
57
Installation Procedure
58
1000-Sheet Finisher Installation
60
Accessory Check
60
Installation Procedure
61
500-Sheet Finisher (B442) Installation
64
Accessory Check
64
Installation Procedure
65
Platen Cover (B406)
67
Key Counter
68
Optics Anti-Condensation Heater
70
Tray Heater
71
Tray Heater (Optional Paper Tray Unit)
73
Tray Heater (Optional Lct)
76
Copy Data Security Unit (B770)
79
Hdd (B773)
81
Data Overwrite Security Unit (B735)
83
Before You Begin
83
Seal Check and Removal
84
Installation
85
Preventive Maintenance Schedule
88
Pm Table
88
Main Motor Drive Gear
91
Replacement and Adjustment
92
Special Tools and Lubricants
92
Special Tools
92
Lubricants
92
General Cautions
93
Pcu (Photoconductor Unit)
93
Transfer Roller Unit
93
Scanner Unit
93
Laser Unit
94
Fusing Unit
94
Paper Feed
94
Others
94
Scanner Unit
95
Exposure Glass
95
Scanner Exterior/Operation Panel
96
Lens Block Assembly
97
Original Size Sensors
98
Exposure Lamp
99
Scanner Motor/Lamp Stabilizer
100
Scanner Wires
101
Laser Unit
104
Caution Decal Locations
104
Laser Unit
105
Polygon Mirror Motor
106
Ld Unit
107
Laser Synchronization Detector
108
Photoconductor Unit (Pcu)
109
Pcu Removal
109
Pick-Off Pawls
110
Opc Drum
111
Charge Roller, Cleaning Roller
112
Cleaning Blade
113
Developer
114
After Replacement of Pcu Components
118
Transfer Unit
119
Transfer Roller Unit
119
Image Density Sensor
120
Fusing/Exit
121
Fusing Unit
121
Thermistors
121
Thermostats
122
Hot Roller and Fusing Lamp
124
Pressure Roller/Cleaning Roller
126
Paper Exit Sensor/Paper Overflow Sensor
127
Paper Feed
128
Feed Roller: Tray 1
128
Feed Roller: Tray 2
129
Paper End Sensor
130
Paper Tray Lift Motors
131
Registration Clutch
132
Paper Feed Clutches
133
Lower Paper Feed Clutch
133
Upper Paper Feed Clutch
133
Relay Clutches
134
Paper Size Detector
135
Registration Sensor
136
Relay Sensors
137
Upper Relay Sensor
137
Lower Relay Sensor
137
Dust Collection Box
138
Pcbs and Other Items
139
Controller Board
139
Nvram
140
Sbcu Board
141
Power Pack
142
Main Motor
143
Psu
144
Ipu
145
Hdd
146
Important Notes about HDD Replacement
147
Copy Adjustments: Printing/Scanning
148
Printing
148
Registration - Leading Edge/Side-To-Side
148
Blank Margin
149
Main Scan Magnification
149
Parallelogram Image Adjustment
150
Scanning
151
Registration: Platen Mode
151
Magnification
151
Standard White Density Adjustment
152
Adf Image Adjustment
153
Registration
153
Sub Scan Magnification
153
Touch Screen Calibration
154
Troubleshooting
155
Service Call Conditions
155
Sc Code Descriptions
156
Self-Diagnostic Mode
172
Self-Diagnostic Mode at Power on
172
Detailed Self-Diagnostic Mode
173
Executing Detailed Self-Diagnosis
173
Paper Feed Troubleshooting
175
Skewed Image
176
Image Problems
177
Skewed, Trapezoid and Parallelogram Images
177
Skewed Images
177
Trapezoid Images
177
Parallelogram Images
178
Checking Images with the Trimming Pattern
179
Correcting the Images
180
Correcting Skewed Images
180
Correcting Trapezoid Images
183
Correcting Parallelogram Images
184
Electrical Component Defects
185
Sensors
185
Switches
187
Blown Fuse Conditions
188
Service Tables
189
Service Program Mode
189
Service Mode Lock/Unlock
189
Service Program Mode Operation
190
Entering and Exiting SP Mode
190
SP Mode Button Summary
191
Switching between SP Mode and Copy Mode for Test Printing
192
Selecting the Program Number
192
Service Program Mode Tables
193
SP1XXX: Feed
194
SP2XXX: Drum
203
SP4-XXX: Scanner
215
SP5XXX: Mode
226
SP6XXX: Peripherals
262
SP7XXX: Data Log
264
SP8-XXX: Data Log2
269
Test Pattern Printing (Sp2902-3)
303
Input Check
304
Main Machine Input Check (SP5803)
304
ARDF Input Check (SP6007)
307
Finisher Input Check (SP6117)
308
Output Check
310
Main Machine Output Check (SP5804)
310
ARDF Output Check (SP6008)
312
Finisher Output Check (SP6118)
312
Smc Data Lists (Sp5990)
313
Memory All Clear (Sp5801)
314
Aps Output Display (Sp4301)
315
Df Aps Sensor Output Display (Sp6901)
316
Nip Band Width Measurement (Sp1109)
317
Firmware Update
318
Software Reset
319
System Settings and Copy Setting Reset
319
System Setting Reset
319
Copier Setting Reset
320
User Tools
321
How to Use up Mode
321
UP Mode Initial Screen: User Tools/Counter Display
321
System Settings
321
Copier/Document Server Features
321
Printer, Facsimile, Scanner Settings
322
Inquiry
322
Counter
323
Leds
324
Controller
324
Sbcu
324
Dip Switches
324
Using the Debug Log
325
Switching on and Setting up Save Debug Log
325
Retrieving the Debug Log from the Hdd
329
Recording Errors Manually
329
New Debug Log Codes
330
SP5857-015 Copy SD Card-To-SD Card: any Desired Key
330
SP5857-016 Create a File on HDD to Store a Log
330
SP5857-017 Create a File on SD Card to Store a Log
330
Details
331
Overview
331
Mechanical Components
331
Paper Path
333
Electrical Component Descriptions
334
Drive Layout
337
Board Structure
338
Overview
338
Controller Board
340
Copy Process
343
Scanning
345
Overview
345
Scanner Drive
346
Original Size Detection: Platen Mode
347
Image Processing
349
Overview
349
Sbu (Sensor Board Unit)
350
Auto Image Density
351
Original Type Settings
352
Ipu (Image Processing Unit)
353
Overview
353
Image Processing Path
356
Main Scan Magnification/Reduction
360
Mirroring for ADF Mode
360
Characteristic Detection
361
Filtering
361
Background Erase
362
ID Gamma (G) Correction
362
Gradation Processing
362
Line Width Correction
363
Video Control Unit (Gavd)
364
Fine Character and Image (FCI)
364
Laser Exposure
365
Overview
365
Auto Power Control (Apc)
366
Ld Safety Switch
367
Photoconductor Unit (Pcu)
368
Overview
368
Drive
369
Drum Charge
370
Overview
370
Charge Roller Voltage Correction
371
Correction for Environmental Conditions
371
ID Sensor Pattern Production Timing
372
Drum Charge Roller Cleaning
373
Development
374
Overview
374
Drive
375
Developer Mixing
376
Development Bias
377
Toner Supply
378
Toner Bottle Replenishment Mechanism
378
Toner Supply Mechanism
379
Toner Density Control
380
Overview
380
Toner Density Sensor Initial Setting
382
Toner Density Measurement
382
Vsp/Vsg Detection
382
Toner Supply Reference Voltage (Vref) Determination
382
Toner Supply Determination
382
Toner Supply Motor on Time Determinations
383
Toner Supply in Abnormal Sensor Conditions
384
ID Sensor
384
TD Sensor
384
Toner Near End/End Detection and Recovery
384
Toner Near End Detection
384
Toner Near End Recovery
385
Toner End Detection
385
Toner End Recovery
385
Drum Cleaning and Toner Recycling
386
Drum Cleaning
386
Toner Recycling
387
Paper Feed
388
Overview
388
Paper Feed Drive Mechanism
389
Paper Feed and Separation Mechanism
390
Paper Lift Mechanism
391
Paper End Detection
393
Paper Height Detection
394
Feed Pressure Adjustment for Paper Size
396
Overview
396
Paper Size Thresholds
396
Feed Pressure Adjustment
397
Effect of the Amount of Remaining Paper
397
Paper Size Detection
399
Special Paper Setting
400
Side and End Fences
401
Side Fences
401
End Fence
401
Paper Registration
402
Image Transfer and Paper Separation
403
Overview
403
Image Transfer Current Timing
404
Transfer Roller Cleaning
405
Paper Separation Mechanism
406
Image Fusing and Paper Exit
407
Overview
407
Fusing Drive and Release Mechanism
408
Fusing Entrance Guide Shift Mechanism
409
Pressure Roller
410
Cleaning Mechanism
411
Fusing Temperature Control
412
Temperature Control
412
Fusing Lamp Control
413
Overheat Protection
414
Paper Exit
415
Energy Saver Modes
416
Overview
416
Energy Saver Mode
417
Entering the Energy Saver Mode
417
What Happens in Energy Saver Mode
417
Return to Stand-By Mode
417
Auto off Mode
418
Entering off Stand-By and off Modes
418
Off Stand-By Mode
418
Off Mode
418
Returning to Stand-By Mode
418
Overall Machine Information
419
Specifications
419
Machine Configuration
422
Options Table
424
Copier Options
424
Fax Option
424
Printer/Scanner Options
424

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Ricoh R-C4 Service Manual (433 pages)

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