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Ricoh
All in One Printer
P C301W
Field Service Manual
Page 115 (Electrical Components)
Ricoh P C301W - Electrical Components; FCU (PCB8) (MF Model Only)
324 pages
Manual
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4.Replacement and
Adjustment
103
Electrical Components
FCU (PCB8) (MF Model Only)
1.
Remove the rear cover
. (
Rear Cover
)
2.
Remove the controller box cover [A].
3.
Remove the USB dongle
[A] and the interface cover [B].
4.
Remove the FCU (PCB8) [A].
114
116
Table of Contents
Main Page
Default Chapter
13
Table of Contents
13
1 Product Information
19
Specifications
19
Machine Configuration
20
Main Machine
20
Optional Equipment
20
2 Installation
21
Installation Requirements
21
Environment
21
Machine Level
21
Machine Space Requirements
22
Power Requirements
23
Installation Procedure
24
Settings for @Remote Service
25
Setting for Paas (Only for CHN)
26
Check the Network Environment
26
3 Preventive Maintenance
29
Cleaning Points
30
Image Quality Standards
35
Paper Transfer Quality Standards
36
4 Replacement and Adjustment
37
General Cautions
37
Special Tools
38
Exterior Covers
39
Rear Cover
39
Operation Panel
41
Right Cover
43
Left Cover
43
Front Cover Unit
44
Adf/Scanner Unit (MF Model Only)
46
Adf/Scanner Assembly
46
Extension Tray/Original Tray
51
ADF Front Cover
52
ADF Rear Cover
53
ADF Separation Pad
54
ADF Feed Roller
55
ADF Pick-Up Roller
55
Transport Roller
56
Back Cis/Back ADF Exposure Glass
58
Laser Unit
64
Caution Decal Locations
64
AIO (All in One) Cartridge
68
AIO Cartridge
68
Black Drum Motor (M2)
68
Color Drum Motor (M1)
72
Image Transfer
74
Waste Toner Bottle
74
Image Transfer Belt Unit
74
ITB Cleaning Unit
76
Waste Toner Collection Motor (M7)
76
ITB Contact Motor (M6)
77
ITB Contact Sensor (S6)
79
TM/P Sensor (S8) Unit
79
Waste Toner Overflow Sensor (S9)
81
Waste Toner Bottle Set Sensor (S10)
83
Image Fusing
85
Fusing Unit
85
Fusing Upper Cover
86
Fusing Lower Cover
86
Fusing Entrance Sensor (S2)
87
Fusing Thermostat (TH1)
87
Fusing NC Sensor (S1)
88
Pressure Roller Thermistor (End) (TH4)
88
Pressure Roller Thermistor (Center) (TH3)
90
Fusing Sleeve Belt Unit
91
Pressure Roller
94
Fusing Thermopile (TH2)
95
Paper Feed and Transfer
96
Paper Transfer Unit
96
Transfer Roller
97
Registration Roller
98
Paper Feed Clutch (CL1)
99
Paper Transport Motor (M3)
99
Fusing Motor (M4)
100
Registration Clutch (CL2)
105
Paper Feed Roller
105
Separation Pad
106
Paper Exit Roller
107
Paper Exit Sensor (S5)
108
Paper End Sensor (S3)
109
Registration Sensor (S4)
110
Duplex Motor (M5)
110
Electrical Components
115
FCU (PCB8) (MF Model Only)
115
Speaker (MF Model Only)
116
Engine Board (EGB) (PCB1)
116
EEPROM on the EGB
119
Controller Board (PCB2)
121
AC Detection Board (PCB5)
122
HVPS (High Voltage Power Supply) (PCB3)
125
Temperature/Humidity Sensor (S7)
126
Fusing Thermopile Anti-Condensation Fan (FAN4)
126
Interlock Switches (SW1/SW2/SW3)
126
Fusing Fan (FAN2)
127
LSU Fan (FAN1)
128
PSU Cooling Fan (FAN3)
128
ID Chip Board (PCB6)
129
Psu (Pcb4)
133
Opu (Pcb7)
137
5 System Maintenance
139
SP Mode Tables (Printer Model)
139
Overview
139
Display Info
139
Engine Maintenance
140
Factory Default
152
CTL Maintenance
152
System Maintenance
152
Test Pattern
152
Remote
153
SP Mode Tables (MF Model)
157
Overview
157
Information Display
157
Prints Report
158
Engine Service Setting
158
Scanner Service Setting
171
Fax Service Setting
172
Ctl Sp
176
Test Pattern
177
Remote
178
Calibrating the LCD (MF Model Only)
181
Fax Service Test Menu (MF Model Only)
184
Print List/Report
185
Types of Lists/Reports
185
Printing Reports
185
Report Examples
186
Test Page
192
Firmware Updating
194
Before Updating the Firmware
194
Updating the Controller Firmware
195
Updating the Engine Firmware
198
Capturing the Debug Logs
202
6 Troubleshooting
204
Service Call
204
Service Call Conditions
204
SC 1Xx (Other Error)
204
SC 2Xx (Image Writing)
205
SC 3Xx (Around the Drum)
208
SC 4Xx (Image Transfer)
209
SC 5Xx ( Paper Feed and Fusing)
212
SC 6Xx (Device Communication)
227
SC 9XX (Other Error)
232
Fax Error Code (MF Model Only)
234
Fax Error Code Structure
234
Fax Error Code Table
235
Jam Detection
237
Transport Path Length
238
Paper Delivery Problems
240
Image Has Shifted out of Position
240
Poor Paper Transport
240
Poor Paper Feed
242
Bypass Paper Skew
243
Image Quality Problems
245
Vertical Streaking
245
Horizontal Lines
247
Spotted Images
248
Uneven Color
249
Other Causes of Dirty Copies
251
Problem at Regular Intervals
252
Irregular, Uneven Coverage
253
Abraded Images
253
Other Information
255
Spurious Noise
255
How to Confirm Information on the Toner ID Chip
255
Machine Operation with Toner Level Alert
258
Estimated Toner Yield for each Print Condition
258
Curl Preventive Mode Precautions
259
When "Density Sensor Require Cleaning" Message Does Not Disappear
259
7 Detailed Descriptions
261
Guidance for those Who Are Familiar with Predecessor Products
261
Machine Overview
263
Component Layout
263
Paper Path
264
Drive Layout
264
Electrical Component
265
ADF (MF Model Only)
270
Overview
270
Mechanism
270
Scanner (MF Model Only)
272
Overview
272
Mechanism
272
Laser Exposure
273
Overview
273
Mechanism
273
MUSIC (Mirror Unit Skew and Interval Correction)
275
AIO Cartridge
276
Overview
276
Mechanism
277
Process Control
281
Process Control Flow
281
Process Control Timing and Triggers
282
Image Transfer
284
Overview
284
Mechanism
284
Image Fusing
288
Overview
288
Mechanism
288
Paper Feed
292
Overview
292
Mechanism
292
Paper Exit and Duplex
295
Overview
295
Mechanism
296
Boards
297
Block Diagram
297
Board Outline
298
Specifications
303
General Specifications
303
Printer Model
303
MF Model
305
Supported Paper Size/Type
310
Optional Equipment
312
Paper Feed Unit TK1220
312
Preventive Maintenance
313
Maintenance Table
313
Faqs/Knowledge Base
314
Paas Setup Procedure
315
Switch to Paas Mode
315
Paas Registration
315
Unregistering Paas
319
Changing Registered Device/ Main Board
320
Check the Network Environment
320
Switch to Paas Mode
320
Overwrite Registration on Server
320
Technical Tips
324
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