Epson 860 Service Manual – PDF DOWNLOAD
FILE DETAILS:
Epson 860 Service Manual – PDF DOWNLOAD
Language :English
Pages :189
Downloadable : Yes
File Type : PDF
IMAGES PREVIEW OF THE MANUAL:
DESCRIPTION:
Epson 860 Service Manual – PDF DOWNLOAD
PREFACE
This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of Stylus COLOR 860/1160. The instructions and procedures included herein are intended for the experienced repair technicians, and attention should be given to the
precautions on the preceding page. The chapters are organized as follows:
CHAPTER 1. PRODUCT DESCRIPTIONS
Provides a general overview and specifications of the product.
CHAPTER 2. OPERATING PRINCIPLES
Describes the theory of electrical and mechanical operations of the product.
CHAPTER 3. TROUBLESHOOTING
Provides the step-by-step procedures for troubleshooting.
CHAPTER 4. DISASSEMBLY AND ASSEMBLY
Describes the step-by-step procedures for disassembling and assembling the
product.
CHAPTER 5. ADJUSTMENTS
Provides Epson-approved methods for adjustment.
CHAPTER 6. MAINTENANCE
Provides preventive maintenance procedures and the lists of Epson-approved
lubricants and adhesives required for servicing the product.
APPENDIX
Provides the following additional information for reference:
• EEPROM Address Map
• Connector Pin Assignments
• Component Layout
• Parts List and Exploded Diagrams
• C298MAIN Board Circuit Diagram
TABLE OF CONTENTS:
Epson 860 Service Manual – PDF DOWNLOAD
PRODUCT DESCRIPTION
FEATURES 9
SPECIFICATIONS 10
Physical Specification 10
Printing Specification 10
Paper Feeding 11
Input Data Buffer 11
Electric Specification 11
Environmental Condition 12
Reliability 12
Safety Approvals 12
Acoustic Noise 12
CE Marking 12
INTERFACE 13
Parallel Interface (Forward Channel) 13
Parallel Interface (Reserve Channel) 16
USB Interface 17
Prevention of Data Transfer Time-out 18
Interface Selection 18
IEEE12844 Protocol 18
OPERATOR CONTROLS 19
Operating Switch 19
Control Panel 19
Switches 19
Indicators 19
Panel Functions 20
Printer Condition and Panel Status 21
Printer Initialization 21
Errors 22
PAPER 23
Paper Handling 23
Paper Specification 23
Cut Sheet 23
Transparency, Glossy Paper 23
Envelope 23
Index Card 24
Printing Area 25
Cut Sheet 25
Envelopes 26
INK CARTRIDGE 27
Black Ink Cartridge 27
Color Ink Cartridge 27
Operating Principles
Overview 29
Printer Mechanism 29
Printing Mechanism 30
Printing Process 31
Carriage Mechanism 32
Platen Gap (PG) Adjust Mechanism 33
Paper Feeding Mechanism 33
CR Lock Mechanism 35
Paper Loading Mechanism 36
Pump Mechanism 38
Capping Mechanism 39
Electrical Circuit Operating Principles 40
C298PSB/PSE Board 41
C298MAIN Board 43
Printhead Driver Circuit 45
Reset Circuit 46
CR Motor Driver Circuit 47
PF Motor Driver Circuit 49
ASF/Pump Motor Driver Circuit 50
EEPROM Control Circuit 50
Sensor Circuit 51
Troubleshooting
Overview 54
Troubleshooting with LED Error Indications 55
Remedies for Paper Out Error 57
Remedies for the Paper Jam Error 59
Remedies for No I/C and Ink Out Errors 60
Remedies for the Maintenance Error 62
Remedies for Fatal Error 63
Isolating the Faulty Part on the Power Supply Board 66
Isolating the Faulty Part according to the Phenomenon 68
Disassembly and Assembly
Overview 75
Precautions for Disassembling the Printer 75
Tools 76
Specification for Screws 77
Service Checks After Repair 78
Disassembly Procedures 79
Removing the Upper Housing 80
Removing the Circuit Board Assembly 81
Removing the Operation Panel 83
Disassembling the Printer Mechanism 84
Removing the Printhead Unit 85
Removing the Waste Ink Absorber Tray Assembly 87
Removing the Ink System Assembly 89
Removing the CR Motor Assembly 92
Removing the DE Assembly (include the ASF/Pump motor) 93
Removing the ASF Assembly 97
Removing the Paper Feed Roller Assembly 99
Removing the Right and Left LD Roller Assembly 104
Removing the CR Assembly 105
Disassembling the CR Assembly 108
Removing the PF Roller Assembly and Paper Eject Roller Assembly 110
Remove the PF Motor Assembly 114
Removing the PE Detector Assembly 115
Adjustment
Overview 117
Required Adjustments 117
Adjustment Tools Required 118
Adjustment 119
Parallelism Adjustment 119
Backlash value Adjustment for PF motor 122
Adjustment by Adjustment Program 125
About Adjustment Program 125
How to set up the program 125
Choose the Model 126
Market Destination Check 127
Head Voltage ID Input 128
Head Angular Adjustment 131
Bi-D Adjustment 134
USB ID input 137
Initial Ink Charge Operation 141
Head Cleaning Operation 142
Protection Counter Check/Reset 143
Recovery for the clogged nozzle 145
Print A4 pattern 146
PF Loop scale unit assembling procedure 147
Assembling the PF Loop scale unit 147
Sticking the PF Loop scale unit to Gear 76 149
Maintenance
Overview 151
Cleaning 151
Service Maintenance 151
Lubrication 152
Appendix
Connector Summary 161
Connector Pin Assignment 161
EEPROM ADDRESS MAP 164
Circuit Board Component Layout 169
Exploded Diagrams and Parts List for Stylus COLOR 860 172
Exploded Diagrams and Parts List for Stylus COLOR 1160 180
Circuit Diagram 189
S.M 26/2/2025
