Oki ES3640 MFP Manuale elenco delle parti

ES3640MFP / CX3641MFP

Component & Disassembly Guide

Disclaimer

Every effort has been made to ensure that the information in this document is complete, accurate, and up to date. The manufacturer assumes no responsibility

for the results of errors beyond its control. While all reasonable efforts have been made to make this document accurate and helpful as possible, we make no

warranty of any kind, expressed or implied, as to the accuracy or completeness of the information contained herein. For the most up-to-date service information

available, visit our website at www.okidata.com © Okidata Americas, Inc. 2008

Chapter 1

Component Locations and their Functions

1.1 Electrical Components

Control Panel

Fiery Control PCB

Engine Control Board

Registration Sensor Board

LED Relay Board

Imaging Unit Sensor Board

1.2 Printer Fans

Printer Fans

1.3 Solenoids and Clutches

Solenoids and Clutches

1.4 Motor Assemblies

Imaging Unit Drive Motors

Transfer Unit Motor

1.5 Machine Assemblies

Waste Toner Recovery

Registration Assembly

Eject Assembly

1.6 Sensors in the Printer

Sensors in the Printer

Motor Driver Board

Feeder Board

HVPS

LVPS

Front Sensor Board

Rear Sensor Board

Toner Motors

Duplex Drive Motors

MPT Tray

Tray 1 – Universal Feed Tray

Chapter 2

Printer Disassembly

2.1 Covers

Rear Cover

Lower Rear Cover

Right Rear Cover

Right Side Cover

Left Side Cover

Front Door

2.2 Paper Feed

MPT Tray

MPT Tray Level Sensor

MPT Home Position Sensor

MPT OHP Sensor

MPT Feed Out Sensor

MPT No Paper Sensor

MPT Feed Rollers

Tray 1 Paper Feed Unit

Tray 1 Paper Registration Motor

2.3 Internal Printer Components

Job Offset Assembly

Job Offset Motor

Job Offset Home Position Sensor

Right Upper Door Latch Assembly

Media Thickness Sensor

Temperature/Humidity Sensor

Eject Assembly

Exit Gate Solenoid

Fuser Exit Sensor and Actuator

Top Output Tray Stack Full Sensor

Side Output Tray Detect Sensor

Side Output Tray Stack Full Sensor

Upper Left Door Detect Sensor

Fuser Release Sensor

Registration Sensor Assembly

2.4 Printer Motors

Transfer Unit Motor

Toner Motors

Imaging Unit Motors

Automatic Density Control Sensor

Media Slack Sensor and Actuator

Registration Assembly

Registration Clutch

Waste Toner Auger Assembly

Waste Toner Container Full Sensor

Waste Toner Container Auger Rotation Sensor

Waste Toner Auger Rotation Sensor

Transfer Unit Belt Rotation Sensor

Lower Basket Assembly

Basket Assembly

LED Assembly

Registration Shutter Solenoid

Right Lower Door

Left Rear Cover

Left Front Cover

Upper Front Cover

Right Front Cover

Top Cover

Tray 1 Paper Feed Motor

Tray 1 Paper Lift Motor

Tray 1 Registration Clutch

Right Lower Door Detect Sensor

Tray 1 No Paper Sensor

Tray 1 Registration Sensor / Feed Out Sensor

Tray 1 Feeder Board

Tray 1 Feed Rollers

Side Output Tray

Fuser Motor

Waste Toner Motor

Imaging Unit Up/Down Mechanism

2.5 Electrical Components

Control Panel

Engine Control Board

Fiery Control Board

Card Cage Fan Duct

Card Cage Fan

Card Cage

HVPS Cover

High Voltage Power Supply

Housing Bias Assembly

Low Voltage Power Supply

LVPS Fan

LED Head

LED Relay Board

Top Cover Interlock Switch

Waste Toner Container Detect Switch

Right Upper Door Interlock Switch

Imaging Unit Fan

Transfer Unit Fan

Top Cover Fan

Fiery Control Board Fan

Paper Size Switch

Motor Driver Board

Imaging Unit Sensor Board

Toner Supply Camshaft

Imaging Unit Motor Mounting Plate

RFID Reader Board

RFID Antenna

Registration Sensor Board

Fuser Fan

Front Sensor Board

Rear Sensor Board

Chapter 3

Printer Engine Diagrams

3.1 Circuit Board Connectors

Engine Control Board

Motor Driver Board

LVPS

Imaging Unit Sensor Board

Front Sensor Board

Rear Sensor Board

Feeder Board

LED Relay Board

3.2 Wiring Diagram

Print Engine General Wiring Diagram

Front Sensor Board

Feeder Board

Rear Sensor Board

Registration

Motor Driver Board

LED Heads

HVPS

LVPS

Fuser

Imaging Unit Sensor Board

Control Panel

Chapter 1

Component Locations and their Functions

The following provides an overview of the major components and description

of their various functions within the printer.

Electrical Components

The following provides an overview of the major Printed Circuit Board

components

Fans

Location of Fans used to circulate air throughout the printer.

Solenoids and Clutches

Location of solenoids and clutches used to actuate various gates and rollers.

Motor Assemblies

Locations for all of the printer’s motors.

Machine Assemblies

Locations for all of the printer’s major assemblies.

Sensors in the Printer

Identifies the location of each sensor in the printer

1.1 Electrical Components

The following provides an overview of the major electrical components and description of

their various functions within the printer.

Front Sensor PCB

LED Relay PCB

Registration Sensor PCB

RFID Reader PCB

Rear Sensor PCB

RFID Antenna

Duplex Control PCB

Control Panel PCB

HVPS PCB

Imaging Unit Sensor PCB

Fiery Control / Image Processor PCB

Engine Control PCB

Motor Driver PCB

LVPS PCB

Control Panel

The Control Panel is the primary interface to the printer’s functions and includes the display,

keypad, and status LED.

Fiery Control PCB

The Fiery Control PCB receives host data through the USB or Ethernet port. The received

data is buffered and stored, and then sent to the print engine in a rasterized format. The

Fiery Control Board connects to the Engine Control Board directly.

The Fiery Control board contains:

•Memory – RAM

•Flash DIMM

•NVRAM - Control Panel and network settings.

•Configuration Chip - determines the printer configuration.

•Hard Drive

Engine Control Board

The Engine Control Board synchronizes the print process by controlling the LED Heads,

motors, fans, sensors, solenoids, clutches and Fuser temperatures. The Engine Control

Board also controls the voltages to the Imaging Units and the print speed to compensate for

changes in media and environmental conditions.

Major Functions:

•Communicates with the Fiery Control PCB

•Receives information from the sensors and/or switches.

•Generates the image based on information from the Fiery Control Board.

•Controls high-voltage sent to the Imaging Unit to perform charging development,

primary and secondary transfer.

•Distributes the low-voltage DC power from the Low-Voltage Power Supply.

Registration Sensor Board

Located in the Registration Sensor Assembly, the Registration Sensor Board includes the

two sensors that monitor color registration.

LED Relay Board

Distributes power from the LVPS to the four LED Heads.

Imaging Unit Sensor Board

The Imaging Unit Sensor Board communicates with the Engine Control Board and supplies

voltage for the two Imaging Unit Fans and Fuser Fan. The board also includes the four Low

Toner Sensors that monitor toner levels in the Imaging Units, and the Imaging Unit Position

sensor that detects the image drum Up / Down position.

•Low Toner Sensors [C] [M] [Y] [K] Detects level of toner in the Imaging Unit.

•Toner Cartridge in Sensors [C] [M] [Y] [K] Detects the presence of the Toner

Cartridge in the holder.

•The Up / Down Position Sensor Detects the Image Drum Up / Down position.

•Imaging Unit Drum Phase Sensors Detect the position of the Imaging Unit Drums.

Motor Driver Board

Located directly below the Imaging Unit motors, the Motor Driver Board receives +24 V

from the LVPS and distributes power and control signals to these devices:

•Imaging Unit Motors

•Toner Motors

•Waste Toner Motor

•Fuser Motor

•Tray 1 Paper Size Switches

Feeder Board

Located in the FDR Registration Unit, the Feeder Board communicates with the Motor Driver

Board and provides connections for these components:

•Registration Clutch #2

•Registration Sensor #2

•Feed-Out Sensor #2

•Tray 1 No Paper Sensor

•Tray 1 Door Interlock.

Integrated on the board are the Tray 1 Level Sensor and Tray 1 Low Paper Sensor.

HVPS

Located under the Transfer Unit and HVPS Cover, the HVPS supplies high-voltage to the

Transfer Unit and Imaging Units. The HVPS also provides connections for the Front Door

Interlock that disables +24V when opened, the Waste Toner Container Full, and Detect

Hall-effect sensors.

HVPS Imaging Outputs

LVPS

The LVPS supplies AC power from the power source to the Fuser heater. Generates and

supplies stable low-voltage DC power (+5 VDC, and +24 VDC) to be used for the logic and

other circuits within the printer. The LVPS includes the LVPS Board with attached Power

Switch, the AC Harness, a Fan, and the box enclosure.

LVPS Outputs

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