Epson EPL-N2700 Specifications Page 57
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- Table of contents
- TROUBLESHOOTING
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EPL-N2700 Revision A
Operating Principles Printer Mechanism Operating Principles 57
MP Cassette Set Sensor (PC6)
This sensor detects the installation of the MP cassette. This sensor
uses a photointerrupter. When the signal is input to the CPU in the
control circuit, the CPU detects that the MP Cassette has been
installed.
If the MP cassette is not installed in the MP Tray:
The projection of the paper cassette comes off the sensor which
is mounted on the printer. In this case, the light emitted from the
LED of the photointerrupter reaches the phototransistor of the
photointerrupter and the phototransistor turns ON. Accordingly,
the output of the phototransistor, i.e., the output of the sensor is
“L”.
When the MP cassette is installed in the MP Tray:
The projection of the paper cassette engages with the sensor. In
this case, the light emitted from the LED is blocked by the
projecting and it does not reach the phototransistor. As a result,
the phototransistor turns OFF and its output is “H”.
Figure 2-5. MP Cassette Set Sensor Mechanism
MP Cassette Paper Empty Sensor (PC4)
This sensor detects the paper empty status of the MP cassette. The
sensor uses a photointerrupter. When paper runs out in the MP
cassette, paper empty occurs.
When paper is present in the paper cassette, the lower part of the
sensor arm is pressed by the paper and the projection of the upper
part of the sensor arm comes off the photointerrupter. Thus, the light
from the LED of the photointerrupter passes in the photointerrupter
and the photointerrupter turns ON. As a result, the output of the
photointerrupter is “L”.
When paper runs out in the paper cassette, the lower part of the
sensor arm lowers with its weight so that the projection of the sensor
arm engages with the photointerrupter. As a result, the output of the
photointerrupter is “H”.
Figure 2-6. MP Cassette Empty Sensor Mechanism
MP Cassette Set Sensor (PC6)
Light passes:
Output = L
Note: PC6 is mounted on the Printer.
[Cassette is not installed.]
[Cassette is installed.]
Light is blocked:
Output = H
MP Cassette
MP Cassette Paper Empty Sensor (PC4)
Light passes:
Output = L
Paper
Light is blocked:
Output = H
[Paper is present.]
[Paper is Out]
- 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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