Epson SEPG00004 service manual Troubleshooting, Disassembly and Assembly

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EPSON AcuLaser C2000

Revision C

2.2.8 Fusing Process

84

2.2.8.1 Fusing Unit

84

2.2.8.2 Fusing Temperature Control

86

2.2.8.3 Fusing Oil Roll

89

2.2.9 Paper Eject Process

89

2.2.9.1 Duplex Unit (option)

90

2.3 Controller Board (C314MAIN) Operating Principles

92

2.3.1 Specification

92

Chapter 3 Troubleshooting

 

 

3.1 Troubleshooting Method

94

3.1.1 Troubleshooting Procedure

94

3.1.2 Power is not Applied

96

3.1.3 Self Check Function

96

3.2 Printer Message

98

3.2.0.1 Messages

98

3.2.1 Printer Message Details of Status Messages and Remedies . 101

3.2.2 Details of Error Messages and Remedies

101

3.2.3 Details of Warning Messages and Remedies

104

3.2.4

Service Call Error Messages

106

3.2.4.1 Engine Related Service Call Error Messages

106

3.2.4.2 Engine Related Service Call Error Troubleshooting

107

3.2.4.3 Controller Related Service Call Error Messages

114

3.3 Image Quality Troubleshooting

116

Chapter 4 Disassembly and Assembly

 

4.1 Overview

120

4.1.1 Cautions

120

4.1.2 Service Tools

120

4.1.3 Screws, Small Parts

121

4.1.4 Fuses

121

4.2 Disassembling Procedure

122

4.2.1 Overview

122

4.2.2 Before Disassembling the Printer

123

4.2.3 Outer Cover Removal

123

4.2.3.1 Front Cover Removal

123

4.2.3.2 Operation Panel Removal

124

4.2.3.3 Front Inner Cover Removal

124

4.2.3.4 Top Cover Removal

125

4.2.3.5 Left Cover Removal

125

4.2.3.6 Rear Controller Cover Removal

126

4.2.3.7 Rear Cover Removal

127

4.2.3.8 Rear Right Cover Removal

127

4.2.3.9 Left Rear Cover Removal

128

4.2.3.10 Rear Left Cover Removal

128

4.2.4 C314MAIN Board

129

4.2.4.1 C314MAIN Board Removal

129

4.2.4.2 Controller Box Removal

131

4.2.5 MCU (PWB-A Board) Removal

131

4.2.6 PU1 (Power Supply Board) Removal

132

4.2.7 High Voltage Board (HV1, HV2) Removal

133

4.2.7.1 HV1 (High Voltage Board) Removal

133

4.2.7.2 HV2 (High Voltage Board) Removal

133

4.2.8 Fusing Motor Removal

134

4.2.9 Transfer Motor Removal

135

4.2.9.1 PU1 Support Plate Removal

135

4.2.9.2 Transfer Motor Removal

135

4.2.10 Fusing Pressure Motor Removal

136

4.2.11 Fan Motor Removal

136

4.2.11.1 Power Supply Fan Motor Removal

136

4.2.11.2 Fusing Fan Motor Removal

137

4.2.11.3 Transfer Belt Fan Motor Removal

137

4.2.11.4 Cooling Fan Motor Removal

138

4.2.12 Laser Safety Switch (CDRH-SW) Removal

138

4.2.13 Waste Toner Full Sensor Removal

139

4.2.14 MP Tray Paper Load

140

4.2.14.1 Paper Load Cover Removal

140

4.2.14.2 MP Tray Paper Load Solenoid Removal

140

4.2.15 MP Tray Paper Load Unit

141

4.2.15.1 Front Bearing for the MP Tray Paper Load Unit Removal 141

4.2.15.2 MP Tray Paper Load Unit Removal

141

4.2.16 Paper Cassette

142

4.2.16.1 Paper Size Switch Removal

142

4.2.16.2 Paper Near Empty Sensor Removal

142

4.2.16.3 Cassette Paper Load Solenoid Removal

142

4.2.17 Transfer Mechanism

143

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Contents Epson AcuLaser Color Contents Disassembly and Assembly TroubleshootingAdjustment MaintenanceAppendix

SEPG00004 specifications

The Epson SEPG00004 is a high-performance printer designed to meet the needs of both home and professional users. It is particularly known for its multifunctional capabilities, encompassing printing, scanning, copying, and faxing, all within a compact design that fits comfortably on a desk or workspace.

One of the most notable features of the SEPG00004 is its use of PrecisionCore technology. This advanced printing technology allows for high-speed, high-quality printing by utilizing a series of micro-fine nozzles to produce intricate details and vibrant colors. Epson's PrecisionCore ensures that every print job is consistent and sharp, making it ideal for printing both documents and high-resolution graphics.

The printer supports a wide range of media types and sizes, from standard letter and legal sizes to envelopes and specialty paper. This versatility makes it suitable for various printing tasks, whether it's for daily office needs or creative projects. Additionally, the SEPG00004 offers automatic duplex printing, enabling users to print on both sides of the paper effortlessly, which not only saves time but also reduces paper consumption.

Connectivity is another area where the SEPG00004 shines. It features built-in Wi-Fi, allowing users to print wirelessly from their computers, tablets, and smartphones. The printer is compatible with both iOS and Android mobile devices, enabling seamless printing through mobile applications. Users can also utilize Epson Connect, which offers options such as email printing and cloud printing, providing flexibility for remote printing.

Energy efficiency is a significant characteristic of the Epson SEPG00004. It is designed to consume less power compared to traditional printers, which not only contributes to cost savings but also aligns with eco-friendly practices. The printer incorporates recycled materials in its design, further demonstrating Epson's commitment to sustainability.

In summary, the Epson SEPG00004 combines quality, versatility, and efficiency into one compact package. With its PrecisionCore technology, multiple connectivity options, and energy-efficient design, it stands out as an excellent choice for users seeking reliable and high-quality printing solutions. Whether for personal use, small offices, or creative endeavors, the SEPG00004 proves to be an invaluable tool.