Name: Epson Stylus Color 980
Brand: Epson
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EPSON Stylus Color 980 Revision A

Operating Principles Electrical Circuit Operation Principles 63

[Mechanism status detection part]

Figure 2-14. Sensor Circuit Block Diagram (Mechanism Status Detection Part)

CN9

COB

COC

CN8

LS1

LS2

E05B59(IC 2)

109

110

COB

COC

ENCB

ENCA

E05B60(IC 3)

SW C0

SW A1

SW A0

137

136

135

PSC

CN15

ASF

CN5

PSC

Default Chapter5
- Table of Contents5
Product Description Features9
Specifications10
- Printing Specifications10
- Options and Consumable Products13
- Paper Specifications15
- Printable Area17
- Ink Cartridge Specifications19
  - Black Ink Cartridge19
  - Color Ink Cartridge20
- Electrical Specifications21
- Environmental Condition21
- Reliability22
- Safety Approvals22
- Acoustic Noise22
- CE Marking (220 ~ 240 V Version)22
- Physical Specifications22
Interface23
- Parallel Interface (Forward Channel)23
- Parallel Interface (Reverse Channel)26
- USB Interface28
- Optional Interface28
- Printer Language and Emulation31
- Prevention Hosts from Data Transfer Time-Out31
- Auto Interface Selection31
  - IEEE 1284.4 Protocol32
Control Panel Operation33
- Indicators (Leds)33
- Panel Functions34
  - Printer Setting Mode34
  - Special Setting Mode36
- Printer Condition and Panel Status37
Error Status38
- Ink out38
- Paper out38
- Paper Jam38
- No Ink Cartridge38
- Maintenance Request38
- Fatal Errors38
- Double Feed Errors38
Printer Initialization39
Component Layout40
- Printer Mechanism40
- C380 Main Board41
- C265 PSB/PSE Board43
- C265 PNL Board44
- C265 Relay Board44
Operating Principles45
Overview46
Printer Mechanism Operating Principles46
- Carriage Mechanism48
- Printing Mechanism50
- Paper Load Mechanism51
- Paper Feed Mechanism53
- Pump/Asf Switch Mechanism54
- Pump / Carriage Lock / Head Cleaner Mechanism56
Electrical Circuit Operation Principles58
- C265 PSB/PSE Power Supply Board58
- C380Main Board61
- CR Motor Driver Circuit69
- PF Motor Driver Circuit71
- Pump/Asf Motor Driver Circuit73
- Printhead Driver Circuit74
- Cooling Fan Driver Circuit76
- ASF Solenoid Driver Circuit78
- EEPROM Control Driver Circuit79
Troubleshooting Overview81
- Troubleshooting with LED Error Indications82
- Isolating the Faulty Part on the Power Supply Board92
- Isolating the Faulty Part According to the Phenomenon94
Disassembly and Assembly103
Overview104
- Precautions for Disassembling the Printer104
Disassembly Procedures106
- Upper Case and Control Panel Removal108
- Printer Mechanism Removal109
- C380 Main Board Unit Removal110
- Relay Board and Cooling Fan Removal111
- Shield Plate on the C380 Main Board Removal112
- C265 PSB/PSE Board Removal113
- Printer Mechanism Disassembly115
- ASF Disassembly120
Adjustment133
Overview134
- Conditions for each Adjustment134
Adjustments137
- Preliminary Operation137
- Head Actuator Voltage Input139
- Head ID Retrieval140
- Head Angular Adjustment140
- Bi-Directional Adjustment141
- USB ID Input144
- USB ID Retrieval145
- Printhead Cleaning Using the Program146
- Initial Ink Charge147
- Refurbishment for DOA147
- Indication of the Counter Value for the Waste Ink Pad148
- Fan Check150
- Paper Gap Adjustment151
Maintenance Overview155
- Maintenance155
  - Cleaning the Printhead156
  - Maintenance Request Error157
Lubrication and Adhesion158
- Lubricating the Carriage Guide Shaft159
Appendix Connector Summary165
Eeprom Address Map169
Component Layout173
Parts List177
Exploded Diagrams180
- Epson Stylus Color181
Circuit Diagrams188

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Brand	Epson
Model	Stylus Color 980
Category	Printer
Language	English