Kyocera ECOSYS P3050dn

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2T6/2T7/2T8/2T9

2-3-1

2-3 Operati on of the PWBs

2-3-1 Main PWB (MPWB)

Figure 2-3-1 Main PWB silk-screen diagram and Photograph

YC32

YC7

YC31

A11

B11

YC4

YC9

YC6

YC2

YS1

2144

143

Main Page

Safety Precautions5
Safety Warnings and Precautions6
Symbols6
Installation Precautions7
Precautions for Maintenance8
Miscellaneous9
Contents11
Specifications15
Paper Feeder (PF-320) (Option)18
Bulk Paper Feeder (PF-3100) (Option)18
SSD(HD-6/HD-7) (Option)18
Network Interface Kit (IB-50) (Option)19
Wireless Network Interface Kit (IB-51) (Option)20
Wireless Network Interface Kit (IB-36) (Option)21
Parallel Interface Kit (IB-32B) (Option)21
Part Names22
Components at the Front/Right of the Printer22
Components at the Front/Left of the Printer22
Internal Components23
Components at the Rear of the Printer24
Operation Section25
60/55/50 Ppm Model26
Machine Cross Section26
45 Ppm Model27
Installation Environment29
Unpacking and Installation30
Removing the Tapes and Pads31
Installing the Toner Container32
Installing the Waste Toner Box34
Loading Paper35
Replace the Operation Panel Sheet (Except 240V AC Model)37
Connecting the Cable38
Printout the Status Page39
Power on39
Setting the Language39
Installing the Optional Equipment40
Expansion Memory40
Memory Card (SD Card)41
Wireless Network Interface Kit (IB-36)42
Optional Unit Installation43
Option Composition44
Service Mode45
Executing a Service Mode45
Description of Service Mode46
Service Status Page47
Event Log57
Paper Misfeed Detection69
Paper Misfeed Indication69
Paper Misfeed Detection Condition69
PF-3100 (Bulk Paper Feeder)70
Paper Jam Location70
Self-Diagnostic Function76
Self Diagnostic Codes76
System Error (Fxxxx) Outline92
Image Formation Problems96
No Image Appears (Entirely White)97
No Image Appears (Entirely Black)97
Image Is too Light98
The Background Is Colored99
White Streaks Are Printed Vertically99
Black Streaks Are Printed Vertically100
Streaks Are Printed Horizontally100
Spots Are Printed100
Part of Image Is Missing101
Offset Occurs101
Paper Is Wrinkled101
Image Is Blurred101
Fusing Is Loose102
Image Is out of Focus102
Carrier Leaking Occurs102
Electric Problems103
Mechanical Problems107
Precautions for Assembly and Disassembly109
Drum Unit109
Toner109
How to Tell a Genuine Kyocera Toner Container110
Outer Covers111
Detaching and Refitting the Top Cover111
Detaching and Refitting the Inlet Cover and Slot Cover111
Detaching and Refitting the Right Upper Cover112
Detaching and Refitting the Right Lower Cover112
Detaching and Refitting the Rear Left Cover113
Detaching and Refitting the Left Upper Cover113
Detaching and Refitting the Left Lower Cover114
Detaching and Refitting the Rear Cover114
Detaching and Refitting the Retard Roller116
Paper Feed Section116
Detaching and Refitting the Paper Feed Roller116
Detaching and Refitting the MP Paper Feed Pulley117
Developer Section121
Detaching and Refitting the Developer Unit121
Drum Section123
Detaching and Refitting the Drum Unit123
Detaching and Refitting the Chager Roller Unit123
Transfer/Separation Section124
Detaching and Refitting the Transfer Roller Assembly124
Detaching and Refitting the Separation Needle Unit125
Optical Section126
Detaching and Refitting the Laser Scanner Unit126
Fuser Section127
Detaching and Refitting the Fuser Unit127
Ejection Section129
Detaching and Refitting the Ejection Unit129
Pwbs130
Detaching and Refitting the Main PWB130
Detaching and Refitting the Engine PWB130
Detaching and Refitting the Relay-L PWB132
Detaching and Refitting the Power Source PWB133
Detaching and Refitting the High Voltage PWB134
Detaching and Refitting the Operation PWB136
Others137
Detaching and Refitting the Main Driving Motor Unit137
Detaching and Refitting the Paper Feed Driving Motor Unit138
Detaching and Refitting the Power Source Fan Motor138
Direction of Installing the Principal Fan Motors139
Upgrading the Firmware141
File Names of the Signature141
File Names of the Firmware Certificate142
Error Code144
The Signature Verification Result Display144
Safe-Update145
Remarks on PWB Replacement146
Engine PWB146
Main PWB146
Paper Feed/Conveying Section147
Cassette Paper Feed Section147
MP Tray Paper Feed Section148
MP Tray Paper Feed Section Block Diagram148
Paper Conveying Section Block Diagram149
Conveying Section149
Charger Roller Unit150
Cleaning Unit151
Cleaning Unit Block Diagram151
Laser Scanner Section153
Eject/Feedshift Section156
Duplex Conveying Section158
Electrical Parts Layout159
List of Correspondences of PWB Names160
Switches and Sensors161
Motors162
Clutches and Others163
Main PWB (MPWB)164
Engine PWB (EPWB)169
Power Source PWB (PSPWB)177
Relay-L PWB (R-LPWB)179
High Voltage PWB (HVPWB)182
Appendixes184
Maintenance Kits184
Repetitive Defects Gauge185
Using FRPO Commands for Reprogramming the Firmware186
Firmware Environment Commands186
Maintenance Commands194
Wiring Diagram (60/55/50 Ppm Model)196
Wiring Diagram (45Ppm Model)198
Adjustment of Paper Size202
Installation Guide204
Removing Paper Jams205
Table of Contents220
Parts Names222
Machine Cross Section223
- Installation Procedure224
  - Installing the Paper Feeder224
  - Loading Paper into the Cassette224
Unpacking and Installation224
Paper Misfeed Detection228
- Paper Misfeed Indication228
Self-Diagnosis229
- Self-Diagnostic Function229
- Self Diagnostic Codes229
Electric Problems235
Mechanical Problems236
Precautions for Assembly and Disassembly237
- Precautions237
Assembly and Disassembly238
- Removing the Conveying Roller, Paper Feed Roller and Pickup Roller238
- Removing the Retard Roller239
- Remove the Drive Unit and PF Main PWB240
Paper Feed Section242
Electrical Parts Layout243
- Electrical Parts243
Main PWB244
Appendix247
- Wiring Diagram247
- Specifications252
- Paper Specifications253
- Selecting the Right Paper253
- Condition of the Paper253
- Paper Size253
- Moisture Content253
  - Smoothness254
  - Basis Weight254
  - Moisture Content254
- Paper Storage254
- Envelopes and Postcards255
- Curly Envelopes256
- Post Cards256
- Storage of Envelopes and Postcards256
- Installation257
- Unpacking and Installation257
- Installation Procedure257
  - Removing the MP Tray258
  - Installing the Printer Base and the Printer261
  - Installing the Bulk Paper Feeder262
- Operating the Paper Feeder264
- Loading Paper264
- Loading Envelopes and Postcards265
- Loading Paper in the Printer's Paper Cassette265
- Selecting Paper Feed from the Paper Feeder265
- Selection from the Printer's Operation Panel265
- Selection Using Prescribe's PSRC Command266
- Paper Misfeed Detection267
- Paper Misfeed Indication267
- Paper Misfeed Detection Conditions268
- Self-Diagnostic Function269
- Self Diagnostic Codes269
- Electric Problems270
- Assembly and Disassembly278
- Precautions for Assembly and Disassembly278
- Precautions278
- Removing the Bulk Paper Feeder from the Printer279
- Removing the Tray Cover279
- Assembly and Disassembly279
- Removing the Side Covers280
- Removing the Paper Outlet and Top Cover280
- Removing the Mounting Rail from the Printer Base281
- FRR System282
- Paper Feed Section282
- The Fault Detection Function of the PWB284
- Electrical Parts Layout286
- Electrical Parts (PB-325)287
- Main PWB288
  - Main PWB Silk-Screen Diagram289
  - Wiring Diagram291

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