Epson EPL-N2700 Specifications Page 52
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- Table of contents
- TROUBLESHOOTING
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EPL-N2700 Revision A
Operating Principles Printer Mechanism Operating Principles 52
2.1.1 General Description of Each Section
Paper Feed Section
Paper is fed from either the MP Tray or Cassette 1 (universal
cassette). When the printer receives a print command, the paper
take-up solenoid turns ON and a sheet of paper is fed by the paper
take-up roller.
The timing roller front sensor (PC2) detects the fed paper and the
paper is fed to the timing roller for printing.
<Optional cassettes
>
When optional cassette (500-sheet lower cassette/LCC) is installed,
paper can be fed from respective paper sources.
NOTE:The optional cassettes are the same as the Cassette 1
(universal cassette).
Print Head Unit (Exposure Section)
The laser diode in the print head unit emits a laser beam
corresponding to the print data. The laser beam falls on the rotating
heptagonal polygon mirror to produce a scanning beam, producing
an electrostatic latent image on the surface of the PC drum in the
imaging cartridge.
Imaging Cartridge
The imaging cartridge consists of the charging section and
development section. The moving parts of the imaging cartridge are
driven by the I/C drive motor (M1). In the development section, toner
is fed to the electrostatic latent image formed on the surface of the
PC drum to produce a visible toner image on the PC drum.
Transfer Section
The transfer section transfers the toner image on the surface of the
PC drum onto the paper.
Fusing Section
Using a heated roller, the fusing section permanently fixes the toner
image onto the paper. The fusing temperature is controlled by using
a heat sensitive element (thermistor) attached to the upper fusing
roller.
Paper Exit Section
The paper which has passed the fusing section is ejected to the top
of the printer with the paper exit roller. The paper exit sensor (PC3)
senses the ejection of the paper.
When the optional duplex unit are installed:
For duplex printing, the trailing edge of the printed paper is drawn
inside the duplex unit by the switch back motor in the duplex unit.
Then, the paper is fed to the manual unit by the transport motor in
the duplex unit and waits for the 2nd print command.
- 1
- PRECAUTIONS 3
- Safety Information 4
- Laser Beam 5
- Safety Component 5
- Warning/Caution Label 5
- Revision Status 7
- Contents 8
- Disassembly/Assembly 9
- Adjustment 9
- Maintenance 9
- Troubleshooting 9
- Appendix 10
- PRODUCT DESCRIPTION 11
- 1.1 Overview 12
- 1.2 Basic Specifications 13
- 1.2.2 Configuration 14
- 1.2.3 Engine Specifications 15
- 1.2.4 Paper Specifications 17
- 1.2.5 Process Specifications 20
- 1.2.6 Paper Specifications 20
- G uaranteed 21
- 4m m 4m m 21
- < Top View > 23
- 1.2.10 Safety Approval 26
- 1.2.11 Consumable Item 27
- 1.3.2 Parallel Interface 29
- 1.3.3 Serial Interface 29
- 1.3.4 Ethernet I/F 30
- 1.3.5 Type-B I/F 31
- 1.4 Panel Operation 32
- 1.4.2 Panel Settings 34
- Setting Menu 38
- <5-bin unit> 39
- <10-bin unit> 39
- 1.4.3 One-Touch Setting 41
- 1.4.4 Special Functions 41
- 1.4.5 Maintenance Mode 43
- 1.4.5.1 Engine Status Sheet 44
- 559 m m (D ) 48
- 534 m m (W ) 48
- 428 m m (H ) 48
- Top View 48
- Front View 48
- OPERATING PRINCIPLES 50
- (universal cassette) 52
- 2.1.2 Gear/Roller Location 53
- 2.1.3.1 Switches and Sensors 55
- 2.1.4 Paper Feeding Section 56
- Light is blocked: 57
- Output = H 57
- MP Cassette 57
- 2.1.4.2 Cassette 1 60
- 4108s031 65
- 2.1.6 Imaging Cartridge 68
- 2.1.6.2 Charging Section 69
- 2.1.6.3 Development Section 69
- 2.1.6.4 Transfer Section 71
- 2.1.6.5 Fusing Section 72
- 2.1.6.6 Paper Exit Section 74
- Cartridge 75
- 2.2.1 System Layout 76
- 2.2.1.2 Electrical Section 77
- TROUBLESHOOTING 79
- 3.1 Overview 80
- Troubleshooting Overview 81 81
- 3.1.1.2 Message Descriptions 82
- 3.1.2 Service-call Error 83
- Troubleshooting Overview 84 84
- 3.1.3 Adding on RAM 85
- 3.1.4 Troubleshooting 85
- Troubleshooting Overview 86 86
- DISASSEMBLY/ASSEMBLY 87
- W ARNING 88
- 4.1.3 Small Parts 89
- 4.2 Disassembly Procedure 91
- 4.2.1 ROM DIMM Removal 92
- 4.2.4 Transfer Section 95
- 4.2.5 Separating the Printer 99
- 4.2.6 Rear Cover Removal 100
- EPSON EPL-N2700 Rev. A 101
- 4.2.11 Top Cover Removal 102
- 4.2.17 Front Cover Removal 109
- 4.2.18 Control Panel Removal 109
- 4.2.21 Fusing Section 113
- 4.2.22 Drive Unit Removal 121
- ADJUSTMENT 133
- EPL-N2700 Revision A 134
- Adjustment 134 134
- MAINTENANCE 135
- 6.1 Overview 136
- Maintenance Overview 137 137
- APPENDIX 138
- 7.1 Connector Summary 139
- 7.2 Component Layout 141
- 7.3 Exploded Diagrams 142
- 7.3.2 Frames 144
- 7.3.3 Fussing Section (A) 146
- 7.3.4 Fusing Section (B) 148
- 7.3.5 Transport Section (A) 150
- 7.3.6 Transport Section (B) 152
- 7.3.7 Electrical Components 154
- 7.3.8 Paper Take-up Section 156
- 7.3.9 Drive Section 158
- 7.3.10 Paper Tray Unit 160
- 7.4 Circuit Diagrams 162
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