Kyocera ECOSYS FS-1020MFP - Page 198

Kyocera ECOSYS FS-1020MFP

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2M4/2M5/2M6/2M7

2-3-20

Connector Pin Signal I/O Voltage Description

YC2 1 +3.3HPSW O

3.3 V DC 3.3 V DC power to HPS

Connected to

home posi-

tion sensor

2 GND - - Ground

3 HPSW I 0/3.3 V DC HPS: On/Off

Table of Contents

Service Manual1
Revision History3
Safety Precautions5
Installation Precautions7
Table of Contents11
Specifications15
Parts Names24
- Machine24
- Operation Panel26
Machine Cross Section27
- 20/21 Ppm Model27
- 25/26 Ppm Model28
- ISU/DP Section29
Installation Environment31
Unpacking and Installation33
- Installation Procedure33
Service Mode53
- Executing a Service Mode53
- Operation Method54
  - Status Page58
  - Event Log62
Maintenance Menu71
- Items for Various Settings73
- Service Package75
Paper Misfeed Detection77
- Paper Misfeed Indication77
- Paper Misfeed Detection Condition78
Self-Diagnostic Function81
- Self Diagnostic Codes82
Image Formation Problems86
- No Image Appears (Entirely White)86
- No Image Appears (Entirely Black)87
- Part of Image Is Missing88
- Gray Background88
- White Streaks Are Printed Vertically89
- Black Streaks Are Printed Vertically89
- White or Black Streaks Are Printed Horizontally89
- Spots Are Printed.printing Incomplete or out of Position90
- Printing Incomplete or out of Position90
- Paper Is Wrinkled90
- Offset Occurs91
- Fusing Is Loose91
- Faint or Blurred Printing91
- Dirt on the Top Edge or Back of the Paper92
- Image Center Does Not Align with the Original Center92
  - Spots in the Printed Objects92
Electric Problems93
Mechanical Problems96
Error Messages98
Send Error List103
Error Codes104
- Error Code104
- Table of General Classification105
Precautions for Assembly and Disassembly115
- Precautions115
- Drum115
- Toner115
- How to Tell a Genuine Kyocera Toner Container116
Outer Covers117
- Detaching and Refitting the Right Upper Cover and Rear Upper Cover R117
- Detaching and Refitting the Left Upper Cover and Rear Upper Cover L118
- Detaching and Refitting the Right Cover119
- Detaching and Refitting the Left Cover120
- Detaching and Refitting the Top Cover121
Optical Section124
- Detaching and Refitting the Scanner Unit124
- Detaching and Refitting the Laser Scanner Unit129
Fuser Section131
- Detaching and Refitting the Fuser Unit131
Pwbs132
- Detaching and Refitting the Main PWB132
- Detaching and Refitting the High Voltage PWB, Power Source PWB and FAX PWB (4 in 1 Model Only)135
Document Processor (4 in 1 20/21,25/26 Ppm Model, 3 in 1 25/26 Ppm Model Only)139
- Detaching and Refitting the Document Processor139
- Detaching and Refitting the DP Forward Roller and DP Paper Feed Roller141
- Detaching and Refitting the DP Separation Pad143
Others144
- Detaching and Refitting the Main Motor Unit144
- Direction of Installing the Principal Fan Motor150
Upgrading the Firmware151
Remarks on Main PWB Replacement156
Paper Feed/ Conveying Section157
- Cassette Paper Feed/ Paper Conveying Section157
- Manual Feed Section (25/26 Ppm Model Only)158
Drum Section160
Developer Section161
Optical Section162
- Scanner Unit162
- Laser Scanner Section163
Transfer/Separation Section166
Fuser Section167
Duplex Conveying/Eject Section169
Document Processor (DP)171
Electrical Parts Layout173
- Pwbs173
- Switches and Sensors175
- Others176
- Document Processor (3 in 1 25/26 Ppm Model, 4 in 1 20/21, 25/26 Ppm Model)177
Main PWB179
- In 1 25/26 Ppm Model, 4 in 1 20/21, 25/26 Ppm Model179
- In 1 20/21 Ppm Model186
Relay PWB PWB190
Power Source PWB192
FAX Control PWB194
Operation Panel PWB196
Maintenance Kits199
Procedure for Replacing Maintenance Kit200
- Checking the Components Included and Preparing the Paper-Feed Replacement Unit for Installation200
- Preparing the Machine202
- Detaching the Drum Unit204
- Detaching the Developer Unit205
- Detaching the Toner Disposal Box205
- Detaching and Refitting the Paper Feed Pulley and Lower Paper Feed Guide206
- Refitting the Toner Disposal Box210
- Refitting the Developer Unit210
- Refitting the Drum Unit211
- Detaching and Refitting the Transfer Roller212
- Notice after Replacing Maintenance Kit213
- Procedure for Only Replacing Drum Unit215
- Procedure for Only Replacing Developer Unit216
Cleaning the Machine218
- Interior of the Machine218
- Slit Glass Cover219

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