Kyocera ECOSYS P4040dn

Kyocera ECOSYS P4040dn

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2P7/2R0/3PN

1-5-62

(6) Detaching and refitting the operation PWB

Procedure

1. Open the top cover.

Figure 1-5-114

2. Remove the JAM processing procedure

sheet..

3. Remove three screws.

Figure 1-5-115

Top cover

JAM processing

procedure sheet

Screw

Top cover

Screw

Screw

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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