Kyocera FS-1020D

Kyocera FS-1020D

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2FM

1-6-11

6. Remove two screws at the back of the main

board.

7. Remove three screws from the parallel

interface connector and USB connector.

8. Remove the main board.

Figure 1-6-12 Removing the main boar

Screws

Main board

Controller box

Screws

USB interface

connector

Parallel interface

connector

Table of Contents

Service Manual1
Safety Precautions3
Installation Precautions5
Specifications 16
Table of Contents9
Specifications13
Name of Parts15
- Overall15
- Operator Panel16
Machine Cross Section17
Process Unit (Drum)19
Installation Environment19
Unpacking and Installation21
- Installation Procedure21
Installing the Expanding Memory (Option)28
Installing the Memory Card (Option)29
Installing the Network Interface Card (Option)30
Maintenance31
- Status Page31
Paper Misfeed Detection35
- Paper Misfeed Indication35
Self-Diagnosis36
- Self-Diagnostic Function36
- Self-Diagnostic Indication36
Image Formation Problems46
- No Image Appears (Entirely White)46
- No Image Appears (Entirely Black)46
- Image Is too Light46
- Background Is Visible46
- A White Line Appears Longitudinally46
- A Black Line Appears Longitudinally46
- A Black Line Appears Laterally46
- One Side of the Copy Image Is Darker than the Other46
- Black Dots Appear on the Image46
Electrical Problems52
- The Machine Does Not Operate When the Power Switch Is Turned on52
- The Main Motor Does Not Operate52
- Cooling Fan Does Not Operate52
- The Feed Clutch Does Not Operate52
- The MP Feed Clutch Does Not Operate52
- The Registration Clutch Does Not Operate53
- The Switchback Solenoid Does Not Operate53
- The Eraser Lamp Does Not Turn on53
- The Heater Lamp Does Not Turn on53
- The Heater Lamp Does Not Turn off53
- Main Charging Is Not Performed53
  - When the Power Switch Is Turned on54
  - Others54
- Mechanical Problems55
  - No Primary Paper Feed55
  - No Secondary Paper Feed55
  - Skewed Paper Feed55
  - Multiple Sheets of Paper Are Fed at One Time55
  - Paper Jams55
  - Abnormal Noise Is Heard55
- Precautions for Assembly and Disassembly57
  - Precautions57
- Removing the Process Unit58
- Removing the Principal Outer Covers59
  - Removing the Front Top Cover/Face-Down Output Tray59
  - Removing the Right Cover60
  - Removing the Left Cover60
- Removing the Feed Roller61
- Removing the MP Feed Roller62
- Removing the Transfer Roller64
- Removing the Principal Circuit Boards65
  - Removing the Engine Board65
  - Removing the Main Board66
  - Removing the Power Supply Board and High Voltage Board68
  - Removing the Bias Board69
- Removing the Main Motor and Drive Unit71
- Removing and Splitting the Fuser Unit75
  - Removing the Separation Craws77
  - Removing the Heater Lamp78
  - Removing the Heat Roller79
  - Removing the Fuser Thermistor81
  - Removing the Thermal Cutout82
  - Removing the Press Roller83
Removing the Laser Scanner Unit and the Eraser Lamp84
Removing the Main Charger Unit87
- Upgrading the Firmware on the Main Board89
- Paper Feeding System93
  - Paper Feed Section93
  - Switchback and Refeed Section96
- Electrophotographic System98
Electrical Parts Layout111
Main Board113
Engine Board114
- Eraser Lamp Control Circuit115
- Heater Lamp Control Circuit116
- Polygon Motor Control Circuit117
Power Supply Board120
Bias Board122
High Voltage Board123
- Interlock Switch124
Timing Chart No. 1125
Timing Chart No. 2126
Wiring Diagram127
Repetitive Defects Gauge128

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