Kyocera ECOSYS P4040dn

Kyocera ECOSYS P4040dn

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2P7/2R0/3PN

2-3-19

2-3-5 High voltage PWB (HVPWB)

Figure 2-3-5

YC102

YC101

1

18

13

Table of Contents

Service Manual1
Revision History3
Safety Precautions5
Installation Precautions7
Precautions for Maintenance8
Table of Contents11
Assembly and Disassembly12
Specifications15
Parts 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 Panel25
Machine Cross Section (Main Unit and Option)26
Option Composition27
Installation Environment28
Unpacking and Installation29
Install the Expansion Memory (Option)40
Install the Memory Card (SD Card) (Option)41
Service Mode42
- Executing a Service Mode42
- Description of Service Mode43
- Service Status Page44
- Printing an Event Log56
Paper Misfeed Detection64
- Paper Misfeed Indication64
- Paper Misfeed Detection Condition64
- Conveyance Drive Composition65
- List of Jam Code66
Self-Diagnostic Function70
- Self Diagnostic Codes70
Image Formation Problems85
- No Image Appears (Entirely White)85
- No Image Appears (Entirely Black)86
- Image Is too Light87
- The Background Is Colored88
- White Streaks Are Printed Vertically88
- Black Streaks Are Printed Vertically89
- Streaks Are Printed Horizontally89
- Spots Are Printed89
- Image Is Blurred90
- Paper Is Wrinkled90
- Offset Occurs90
- Part of Image Is Missing90
- Fusing Is Loose91
- Image Is out of Focus91
- Carrier Leaking Occurs91
Electric Problems92
Mechanical Problems96
- Precautions for Assembly and Disassembly98
- Outer Covers100
- Paper Feed Section106
- Developer Section111
  - Detaching and Refitting the Developer Unit111
- Drum Section114
  - Detaching and Refitting the Drum Unit114
  - Detaching and Refitting the Charger Roller Unit117
- Transfer/Separation Section118
  - Detaching and Refitting the Transfer Roller Assembly118
  - Detaching and Refitting the Separation Needle Unit119
- Optical Section120
  - Detaching and Refitting the Laser Scanner Unit120
- Fuser Section124
  - Detaching and Refitting the Fuser Unit124
- Ejection Section127
  - Detaching and Refitting the Paper Feed Roller127
Pwbs135
- Detaching and Refitting the Main PWB135
- Detaching and Refitting the Engine PWB137
- Detaching and Refitting the Relay-L PWB142
- Detaching and Refitting the Power Source PWB145
- Detaching and Refitting the High Voltage PWB151
- Detaching and Refitting the Operation PWB159
Others161
- Detaching and Refitting the Main Driving Motor Unit161
- Detaching and Refitting the Paper Feed Driving Motor Unit166
- Detaching and Refitting the Center Fan Motor169
- Detaching and Refitting the Power Source Fan Motor177
- Detaching and Refitting the Rear Fan Motor180
- Direction of Installing the Principal Fan Motors182
Pf-4100183
- Detaching and Refitting the Paper Feed Roller and the Pickup Roller183
- Detaching and Refitting the Retard Roller184
- Detaching and Refitting the Drive Unit and PF Main PWB185
Upgrading the Firmware188
Remarks on PWB Replacement190
- Engine PWB190
Paper Feed/Conveying Section191
- Cassette Paper Feed Section191
- MP Tray Paper Feed Section192
- Conveying Section193
Drum Section194
- Charger Roller Unit194
- Cleaning Unit195
Developer Section196
Optical Section197
- Laser Scanner Section197
Transfer/Separation Section198
Fuser Section199
Eject/Feedshift Section200
Duplex Conveying Section201
Pf-4100202
- Paper Feed Section202
Electrical Parts Layout203
- Pwbs203
- Switches and Sensors205
- Motors208
- Clutches and Others210
Main PWB (MPWB)215
Engine PWB (EPWB)220
Power Source PWB (PSPWB)228
Relay-L PWB (R-LPWB)230
High Voltage PWB (HVPWB)233
PF Main PWB235
Appendixes239
- Maintenance Kits239
- Repetitive Defects Gauge240
- Firmware Environment Commands241
- Maintenance Commands249
- Wiring Diagram (Printer)251
- Wiring Diagram (PF-4100)253

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