Epson epl n2700 schematic
®
EPSON EPL-N2700 Optional Units
SEPG98007
Notice:
All rights reserved. No part of this manual may be reproduced, stored in a retrieval system, or transmitted in any form or by any means,
electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SEIKO EPSON CORPORATION.
The contents of this manual are subject to change without notice.
All effort have been made to ensure the accuracy of the contents of this manual. However , shoul d any errors be detected, SEIKO EPSON
would greatly appreciate being informed of them.
The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences
thereof.
EPSON is a registered trademark of SEIKO EPSON CORPORATION.
General Notice: Other product names used herein are for identification purpose only and may be trademarks or registered trademar ks of their
respective owners. EPSON disclaims any and all rights in those marks.
Copyright © 1996 SEIKO EPSON CORPORATION. Printed in Japan.
PREFACE
This manual describes basic functions, theory of el ectrical and mechanical operations, maintenance and repair procedures of EPSON EPL-N2700
Optional Units. The in struct ions a nd pr ocedures inc luded her ein ar e in tended for t he experienc ed r epair tec hnician s, and attenti on should be given to
the precautions on the preceding page. The chapters are organized as follows:
PCHAPTER 1. DOUBLE CASSETTE UNIT
Describes the step-by-step procedures for disassembling and assembling the
Double Cassette Unit.
CHAPTER 2. DUPLEX UNIT
Describes the step-by-step procedures for disassembling and assembling the
Duplex Unit.
CHAPTER 3. LCC UNIT
Describes the step-by-step procedures for disassembling and assembling the
LCC Unit.
CHAPTER 4. 5-BIN UNIT
Describes the step-by-step procedures for disassembling and assembling the 5Bin Unit.
CHAPTER 5. 10-BIN UNIT
Describes the step-by-step procedures for disassembling and assembling the
Double Cassette Unit.
CHAPTER 6. Operating Principles for Optional Units
Explains the operating principles of each optional unit.
Revision Status
Revision Issued Date Description
A Fuburary 10, 1999 Revision A
Contents
Double Cassette Unit
Installing the Doubl e Cassette Unit ................................................................. 9
Disassembly and Assembly of the Double Cassette Unit ............................... 11
Paper Take-up Roller Removal ........................................................................... 11
Paper Empty Sensor Removal ............................................................................ 11
Paper Near Empty Sensor Removal ................................................................... 12
Paper Feed Sensor Removal .............................................................................. 12
Paper Size Sensor (Paper Size Switch) Removal ............................................... 13
Controller Board (PWB-A) Removal .................................................................... 13
Paper Take-up Solenoid Removal ...................................................................... 14
Right Door Set Sensor Removal ......................................................................... 15
Maintenance of the Double Cassette Unit
Cleaning the Paper Take-up Roller .......... ............ ............................................... 16
Cleaning the Transport Roller ........ ..................................................................... 16
Exploded Diagrams for Double Cassette Unit
Housing ............................................................................................................... 17
Paper Take-up Section ........................................................................................ 19
Paper Tray Unit ................................................................................................... 21
...................................................... 16
................................................ 17
Duplex Unit
Installing the Dupl ex Unit .............................................................................. 24
Disassembly and Assembly of the Duplex Unit ............................................. 26
Duplex Unit Door Set Sensor Removal ............................................................... 26
Main Board Removal ........................................................................................... 27
Switch Back Motor Removal ............................................................................... 28
Transport Motor Removal .................................................................................... 29
Transport Roller Removal ................................................................................... 30
Maintenance of the Duplex Unit
Cleaning the Transport Roller ........ ..................................................................... 31
Exploded Diagrams for Duplex Unit
.................................................................... 31
.............................................................. 32
LCC Unit
Installing the LCC Unit .................................................................................. 35
Disassembly and Assembly of the LCC Unit
.................................................. 37
Separate Roller/Torque Limiter Removal ............................................................ 37
Feed Roller Removal .......... ............................................................... ................. 37
Paper Take-up Unit Removal ....................... .. .. .......... .. ....................................... 38
Lift-up Sensor Removal ...................................................................... 39
Paper Take-up Roller (Right) Assembly Removal .............................. 40
Right Paper Take-up Clutch Removal ................................................ 42
Paper Take-up Roller (Left) Assembly Removal ................................ 43
Paper Take-up Clutch (Left) Removal ................................................ 45
Paper Take-up Roller Removal .......................................................... 45
LCC Paper Take-up Sensor (PPS0) Removal ................................... 46
Paper Empty Sensor 1 (PPS1) Removal ........................................... 46
Paper Empty Sensor 2 (PPS2) Removal ........................................... 46
Paper Stand-by Position Sensor Removal ......................................... 47
Registration Sensor Removal ............................................................. 47
Side Cover Set Sensor Removal ........................................................ 48
Registration Clutch (RCL) Removal ................................................... 49
Separate Clutch Removal .................................................................. 49
Registration Roller Removal ............................................................... 51
Separate Roller Shaft Removal .......................................................... 51
Feed Roller Shaft Removal ................................................................ 51
Drive Section Disassembly ................................................................................. 52
LCC Transport Motor Removal .......................................................... 52
LCC Set Sensor Removal .................................................................. 53
Paper Near Empty Sensor Removal .................................................. 53
LCC Lift-up Motor Removal ................................................................ 54
LCC Main Board Removal .................................................................. 55
Paper Tray Unit Disassembly ............... .......... .. .................... .. .......... .. ................. 56
Roller with the Torque Limiter Removal ............................................. 56
Timing Belt Removal .......................................................................... 57
Lifter Drive Shaft Removal ................................................................. 59
Maintenance of the LCC Unit ......................................................................... 60
Maintenance Items .............................................................................................. 60
Cleaning the Paper Take-up Roller ..................................................................... 60
Cleaning the Feed/Separate Roller ..................................................................... 61
Cleaning the Vertical Transport Roller / Roller (Driven) ...................................... 61
Cleaning the Roller with a Torque Limiter ........................................................... 62
Exploded Diagrams for LCC Unit ................................................................... 63
Housing ............................................................................................................... 63
Paper Take-up Section (A) .................................................................................. 65
Paper Take-up Section (B) .................................................................................. 67
Drive Section ....................................................................................................... 69
Paper Tray Unit (A) ............................................................................................. 71
Paper Tray Unit (B) ............................................................................................. 73
5-Bin Unit
Installing the 5- Bin Unit ................................................................................. 76
Disassembly and Assembly of the 5-Bin Unit ................................................ 80
Front Cover Removal .......................................................................................... 80
Rear Cover Removal ........................................................................................... 80
Jammed Paper Remove Door Removal .............................................................. 80
Shift Motor (M2) Removal ................................................................................... 81
Guide Position Sensor (PC3) Removal ............................................................... 82
Control Board (PWB-A) Removal ........................................................................ 82
Bin 4/ Bin 5 Switch Solenoid (SL2) Re moval ............ ....................... ................... 83
Jammed Paper Remove Door Sensor (PC1) Removal ....................................... 84
Transport Motor (M1) Removal ........................................................................... 84
Paper Guide Drive Motor (M3) Removal ............................................................. 85
Transfer Switch Sol enoid (SL1) Removal ........... ............ .................... .. ............ .. 86
Paper Guide Home Position Sensor (PC2) Removal .......................................... 87
Bin 1 Shift Home Position Sensor (PC4) Removal .............................................. 88
Paper Empty Sensor Board (PWB-B/D1-3/E) Removal ...................................... 89
Eject Sensor Board (PWB-C) Removal ............................................................... 90
Shift Guide Plate Removal .................................................................................. 91
Eject Roller Shaft Removal ................................................................................. 92
Bin 1 Eject Roller Shaft Removal ....................................................... 92
Bin 2 Eject Roller Shaft Removal ....................................................... 92
Bin 3 - 5 Eject Roller Shaft Removal .................................................. 93
Movable Paper Guide Removal .......................................................................... 94
Transfer Switch Guide Lever Removal ................................................................ 95
Bin 4 /Bin 5 Switch Guide Lever Removal ........................................................... 95
Maintenance of the 5-Bin Unit
Maintenance Items .............................................................................................. 96
Cleaning the Paper Take-up Roller .......... ............ ............................................... 96
Exploded Diagrams for 5-Bin Unit
Housing ............................................................................................................... 96
Paper Exit Section ............................................................................................... 98
Paper Transport Section (A) .............................................................................. 100
Paper Transport Section (B) .............................................................................. 102
....................................................................... 96
................................................................. 96
Paper Transport Section (C) ............................................................................. 104
10-bin Unit
Installing the 10-bin Unit ............................................................................. 107
Installing the 10-bin Unit .................................................................................... 107
Levelness Adjustment of the 10-bin Unit ........................................................... 113
Disassembly and Assembly of the 10-bin Unit
Outer Cover Removal ....................................................................................... 114
Tray Section Disassembly/Assembly ................................................................ 115
Transport Motor (M1) Removal ........................................................ 115
Transport Motor Pulse Detection Switch (PC1) Removal ................ 116
Sorter Set Switch (S1) Removal ....................................................... 117
Controller Board (PWB-A) Removal ................................................. 117
Sort/Non-Sort Switch Solenoid (SL1) Removal . ............................... 118
Solenoid Assembly (SL2, SL3) Removal . ........................................ 118
Bin 1/Bin 6 Paper Empty Sensor Board Removal (PWB-B/D5) ....... 119
Paper Empty Sensor Board (PWB-D1-D4, D6-D9) Removal ........... 120
Eject Sensor Board (PWB-C) Removal ............................................ 121
Vertical Transport Roller Removal ................................................... 122
Eject Roller Removal ........................................................................ 123
Bin Switch Guide Removal ............................................................... 124
Eject Guide Removal ........................................................................ 125
Sort/Non-Sort Switch Guide Removal .............................................. 126
Transport Roller Removal ................................................................ 127
Horizontal Transport Unit Disassembly/Assembly ............................................ 128
Rear Cover Removal ........................................................................ 128
Non-Sort Bin Jam Sensor (PC1) Removal ....................................... 128
Horizontal Transport Door Sensor (PC4) Removal .......................... 129
Horizontal Transport Unit Paper Empty Sensor (PC6) Removal ...... 129
Paper Path Switch Solenoid Removal .............................................. 130
Horizontal Transport Roller Removal ............................................... 131
Adjustment ................................................................................................. 132
Timing Belt Tension Adjustment ....................................................................... 132
Test Mode ......................................................................................................... 132
Pre-Operation ................................................................................... 132
Activating the Test Mode .................................................................. 133
Cancelling the Test Mode ................................................................. 133
Details of Each Test Mode ............................................................... 133
Adjusting the Eject Sensor ................................................................................ 139
Maintenance
............................................................................................... 140
............................................. 114
Maintenance Items ............................................................................................ 140
Cleaning the Paper Take-up Roller .......... ............ ............................................. 140
Exploded Diagrams
Housing ............................................................................................................. 141
Frames .............................................................................................................. 143
Paper Transportation Section (A) ...................................................................... 145
Paper Transportation Section (B) ...................................................................... 147
Paper Transportation Section (C) ...................................................................... 149
Paper Transportation Section (D) ...................................................................... 151
Paper Transportation Section (E) ...................................................................... 153
Drive Section ..................................................................................................... 155
Horizontal Transport Unit (A) ............................................................................. 157
Horizontal Transport Unit (B) ............................................................................. 159
...... ............................ .................................................. 141
Operating principles
Double Cassette Unit ......... .............. ........................................................... 162
Structure ............................................................................................................ 162
Drive System .................................................................................... 162
Electrical Components Layout .......................................................... 162
Mechanical Operations ...................................................................................... 163
Paper Size Regulating Plate ............................................................ 163
Paper Lifting Plate ............................................................................ 163
Paper Size Setting ............................................................................ 163
Paper Near Empty Detection ............................................................ 164
Paper Empty Detection ................................................. .. ....... .......... 164
Paper Separation Mechanism .......................................................... 165
Paper Take-up Roller .......................... .. ..... .. ....... ..... ..... .. ..... ....... ..... 166
Paper Take-Up Retry Control ........................................................... 166
Duplex Unit ......... ....... ................................................................ ................. 167
Structure ............................................................................................................ 167
Drive System .................................................................................... 167
Electrical Components Layout .......................................................... 168
Mechanical Operations ...................................................................................... 168
Switchback Mechanism .................................................................... 168
Transport/Feedback Mechanism ...................................................... 169
Duplex Print Schemes ...................................................................... 170
LCC Unit Unit ................................................... ........................................... 172
Structure ............................................................................................................ 172
Drive System Layout ........................................................................ 172
Electrical Components Layout .......................................................... 173
Mechanical Operation ....................................................................................... 174
Vertical Transport Mechanism .......................................................... 174
Paper Take-up Mechanism .............................................................. 175
Paper Take-Up Retry Control ........................................................... 178
Paper Separating Mechanism .......................................................... 179
Paper Pressure Releasing Mechanism ............................................ 180
Paper Take-up Roller Retracting Mechanism . ................................. 180
Paper Size Regulating Plate ............................................................ 181
Paper Size Setting ............................................................................ 181
LCC Set Detection ............................................................................ 182
Lifting Mechanism ............................................................................ 183
Paper Near Empty Detection ............................................................ 185
Paper Empty Detection .................................................................... 185
5-Bin Unit ................................................................................................... 186
Structure ............................................................................................................ 186
Drive Section Layout ........................................................................ 186
Electrical Component Layout ........................................................... 187
Mechanical Operati ons ...................... .......... .......... ..................... .......... .......... .. 188
Paper Exit Path ................................................................................ 188
Single/Duplex Print Switch Mechanism ............................................ 189
Paper Guide Mechanism .................................................................. 189
Bin 4/Bin 5 Switch Mechanism ......................................................... 190
Shift Mechanism ............................................................................... 190
Paper Empty Detection Mechanism ................................................. 191
Paper Full Detection Mechanism . .................................................... 192
10-bin Unit .................................................................................................. 193
Structure ............................................................................................................ 193
Drive Section Layout ........................................................................ 194
Electrical Component Layout ........................................................... 195
Mechanical Operati ons ...................... .......... .......... ..................... .......... .......... .. 196
Paper Exit Path ................................................................................ 196
Paper Transport Mechanism (Horizontal Transport Unit) ................. 198
Bin Switch Mechanism ..................................................................... 198
Paper Empty Detection Mechanism ................................................. 199
Paper Full Detection Mechanism . .................................................... 199
Mode Description .............................................................................................. 200
Normal Mode (Non-Sort Mode) ........................................................ 200
Large Capacity Mode (Stacker Mode) .............................................. 200
Mailbox Mode ................................................................................... 200
Sorter Mode ........................................................................... .. ....... .. 200
Multiple Sorter Mode ........................................................................ 200
DOUBLE CASSETTE UNIT
EPL-N2700 Optional Units Revision A
1.1 Installing the Double Cassette Unit
This section describes how to install the Double Cassette Unit to the
printer main body. Note you are required to remove any optional unit
such as the Double Cassette Unit when servicing the printer. The
procedure for removing the Double Cassette Unit is not included since
you can remove it by reversing the installation procedure.
1. Open the packing carton and get a Double Cassette Unit and the
user’s manual.
2. Pull out the paper cassette and remove the protection materials.
Figure 1-2. Removing the Protection Pads
3. Turn the printer power off and disconnect the AC power cable and
interface cable.
4. Remove the bottom cover from the bottom part of the printer.
Figure 1-1. Unpacking
CAUTION
After removing the packing materials, please keep
them out of children’s reach.
Figure 1-3. Bottom Cover Removal
Double Cassette Unit Installing the Double Cassette Unit 9
EPL-N2700 Optional Units Revision A
5. Place the printer main body on the Double Cassette Unit.
Figure 1-4. Placing the Printer on the Double Cassette Unit
CHECK
PO INT
When placing the printer, make sure the following:
The blue levers on the cassette and the printer are
facing in the same direction.
All corners of the printer are properly aligned with
the corresponding ones of the cassette unit.
6. Attache the bottom cover to the bottom part of the Double Cassette
Unit.
Figure 1-5. Installing the Bottom Cover
7. Secure the corners for t he printer and the Do uble Cassette Unit with
the holders and screws (1603).
CAUTION
2 people are required
to lift the printer as
shown in the figure.
Figure 1-6. Attaching the Holders
8. Connect the interface cable and the AC power cable to the printer
and turn the printer on.
Double Cassette Unit Installing the Double Cassette Unit 10
EPL-N2700 Optional Units Revision A
1.2 Disassembly and Assembly of the Double Cassette Unit
This section provides the disassembly procedure for the Double
Cassette Unit. Unless otherwis e specified, assembly can be performed
by following the disassembly procedure in reverse order.
1.2.1 Paper Take-up Roller Removal
1. Release the lock on the Paper Take-up Roller and slide the roller
along the axle plate to remove the roller.
CAUTION
If you have replaced the Paper Take-up Roller, perform
“LC2 Counter Clear” in the maintenance menu. In case
2 Double Cassette Unit are connected, perform “LC3
Counter Clear” as well.
1.2.2 Paper Empty Sensor Removal
1. Release three hooks attaching the holder to the guide plate and
remove the holder. (See Figure 1-8.)
2. Remove the screw (3501) securing the paper empty sensor brack et
to the guide plate. (See Figure 1-8.)
3. Remove the stopper for the Paper Empty Sensor and remove the
sensor. (See Figure 1-8.)
4. Disconnect the harness from the Paper Empty Sensor.
Figure 1-7. Paper Take-up Roller Removal
CHECK
PO INT
When installing the Paper Take-up Roller, ensure the
roller is securely locked as shown in the figure below.
Double Cassette Unit Disassembly and Assembly of the Double Cassette Unit 11
EPL-N2700 Optional Units Revision A
9302
3501
3704
3501
3501
3501
3704
9302
3501
S5
S4
3704
3704
1.2.3 Paper Near Empty Sensor Removal
1. Release three hooks attaching the holder to the gui de plate and
remove the holder.
2. Remove the screw (3501) securing the paper near empty sensor
bracket to the guide plate.
3. Remove the stopper for the Paper Near Empty Sensor and remove
the sensor.
4. Disconnect the harness from the Paper Near Empty Sensor.
1.2.4 Paper Feed Sensor Removal
1. Remove the screw (3501) securing the paper feed sensor bracket to
the guide plate and remove the bracket.
2. Remove the stopper for the Paper Feed Sensor and remove the
sensor.
3. Disconnect the harness from the Paper Feed sensor.
Figure 1-8. Removal of the Paper Empty / Paper Near Empty / Paper Feed Sensors
Double Cassette Unit Disassembly and Assembly of the Double Cassette Unit 12
EPL-N2700 Optional Units Revision A
1.2.5 Paper Si ze Sensor (Paper Size Switch) Removal
1. Remove three screws (3704) securing the paper size sensor
bracket to the frame in the Double Cassette Unit, and remove the
bracket along with the paper size sensor.
2. Remove the screw (3501) securing the paper size sensor cover to
the bracket and remove the c ov er from the bracket .
3. Releas e the hook secur ing the Paper Size Sensor to the inner
bracket and remove the se ns or from the bracket.
4. Disconnect the harness from the Paper Size Sensor.
1.2.6 Controller Board (PWB-A) Removal
1. Remove the screw (3727) securing the cover and remove the cover.
2. Remove harnesses from the connectors on the PWB-A.
3. Remove two screws (3501) securing the PWB-A to the bracket and
the PWB s upport, and remov e the PWB-A.
Figure 1-10. PWB-A Removal
Figure 1-9. Paper Size Sensor Removal
Double Cassette Unit Disassembly and Assembly of the Double Cassette Unit 13
EPL-N2700 Optional Units Revision A
1.2.7 Paper Take-up Solenoid Removal
1. Remove the tension spring hooked to the gear 31T.
2. Remove the screw (3501) securing the paper take-up solenoi d
cover to the bracket and remove the cover.
3. Remove the screw (3501) securing the Paper Take-up Solenoid to
the bracket and remove the solenoid from the bracket.
4. Disconnect the harness from the connector on the solenoid.
Figure 1-11. Paper Take-up Solenoid Removal
Double Cassette Unit Disassembly and Assembly of the Double Cassette Unit 14
EPL-N2700 Optional Units Revision A
1.2.8 Right Door Set Sensor Removal
1. Remove the tension spring hooked to the gear 31T.
2. Remove two screws (3704) securing the PWB-A board bracket to
the Double Cassette Unit Frame and remove the bracket. (See
Section 1.2.7.)
3. Remove the screw (3501) securing the plate spring to the bracket
and remove the plate spring from the bracket.
4. Remove the following screws:
Two screws (3704) securing the solenoid bracket to the Double
Cassette Unit Frame.
Four screws (3704) securing the Paper Take-up Mechanism
(including the axle plate, guide plat e, and bracket) to the 2nd
Cassette Frame.
The screw (3501) securing the rail and axle plate.
5. Lift up the Paper Take-up Solenoid and bracket.
6. Remove two screws (3501) securing the solenoid bracket to the
Paper Take-up mechanism and remove the solenoid bracket.
7. Remove the stopper securing the Right Door Set Sensor to the
solenoid bracket.
8. Release the hook fixing the Right Door Set Sensor to the solenoid
bracket and remove the sensor.
9. Disconnect the harness from the connector on the Right Door Set
Sensor.
Figure 1-12. Right Door Set Sensor Removal
Double Cassette Unit Disassembly and Assembly of the Double Cassette Unit 15
EPL-N2700 Optional Units Revision A
1.3 Maintenance of the Double Cassette Unit
The maintenance method of the Double Cassette Unit is mostly the
same as for the printer body. Therefore, this section only describes the
method specific to the Double Cassette Unit.
CAUTION
1.3.1 Cleaning the Paper Take-up Roller
1. Remove the Paper Take-up Roller. (Refer to Section 1.2.1.)
2. Wipe the Paper Take-up Roller with a soft cloth moistened with
water.
Do not use any solvent, including alcohol.
1.3.2 Cleaning the Transport Roller
1. Open the side cover.
2. Wipe the Transport Roller with a soft cloth moistened with water.
Figure 1-14. Cleaning the Transport Roller
Figure 1-13. Cleaning the Paper Take-up Roller
Double Cassette Unit Maintenance of the Double Cassette Unit 16
EPL-N2700 Optional Units Revision A
1.4 Exploded Diagrams for Double Cassette Unit
1.4.1 Housing
Table 1-1. Part List - Housing
No. Part Name No. Part Name
01 GUIDE 17 HOLDER
02 BRACKET 18 SPRING
03 PLATE SPRING 19 BRACKET
04 RUBBER FOOT 20 BRACKET
05 FRAME 21 SHOULDER SCREW
06 COVER 22 SWITCH, SIZE (S1)
07 GROUND PLATE 23 HARNESS
08 BRACKET 24 COVER
09 HARNESS 25 RUBBER FOOT
10 BRACKET 26 BRACKET
11 PW BOARD-A, MAIN (PWB-A) 27 BRACKET
12 PWB SUPPORT 6.35H 28 RAIL
13 HARNESS 29 PLATE SPRING
14 BRACKET 30 BRACKET
15 SHOULDER SCREW 31 HOLDER
16 RUBBER FOOT
− −
Double Cassette Unit Exploded Diagrams for Double Cassette Unit 17
EPL-N2700 Optional Units Revision A
09
10
3704
08
3727
06
05
3501
03
01
11
3501
PWB-A
3704
04
02
07
12
3704
13
3704
14
3501
24
18
15
15
17
3704
23
22
19
31
1603
03
02
3501
3704
16
20
25
S1
21
3714
26
21
28
27
3704
3704
3714
3704
25
29
30
3704
Double Cassette Unit Exploded Diagrams for Double Cassette Unit 18
EPL-N2700 Optional Units Revision A
1.4.2 Paper Take-up Section
Table 1-2. Part List - Paper Take-up Section
No. Part Name No. Part Name
01 GUIDE PLATE 21 BUSHING
02 HOLDER 22 GEAR 34T
03 POLYESTER FILM 23 HARNESS
04 COLLAR 24 HOLDER
05 ROLLER 25 BRACKET
06 SHAFT 26 LEVER
07 AXLE PLATE 27 AXLE PLATE
08 ROLLER 28 SPACER
09 BUSHING 29 TORSION SPRING
10 GEAR 30/36T 30 BRACKET
11 GEAR 31T 31 TORSION SPRING
12 TENSION SPRINT 32 ACTUATOR
13 PHOTO INTERRUPTER (2S-5) 33 BRACKET
14 BRACKET 34 COLLAR
15 SOLENOID, TAKE-UP (SL1) 35 BRACKET
16 BRACKET 36 SHAFT
17 STOPPER 37 ACTUATOR
18 GEAR 16/20T 38 TORSION SPRING
19 GEAR 20T 39 GUIDE PLATE
20 GEAR 18T 40 GUIDE
Double Cassette Unit Exploded Diagrams for Double Cassette Unit 19
EPL-N2700 Optional Units Revision A
3501
16
13
04
07
3704
03
40
38
28
32
02
05
05
3704
3501
37
40
33
21
34
04
01
S3
03
36
9302
02
13
3501
35
17
3501
SL1
15
3501
17
23
14
9301
17
18
S2
13
19
12
19
22
9302
24
20
22
3501
3704
11
25
21
S5
10
13
3501
27
1208
09
06
9302
08
39
28
3704
26
17
29
S4
30
3501
31
Double Cassette Unit Exploded Diagrams for Double Cassette Unit 20
EPL-N2700 Optional Units Revision A
1.4.3 Paper Tray Unit
Table 1-3. Part List - Paper Tray Unit
No. Part Name No. Part Name No. Part Name
01 GROUND PLATE 18 STOPPER 35 SHOULDER SPRING
02 CORK 19 REINFORCE PLATE 36 SHAFT
03 COLLAR 20 PLATE SPRING 37 WASHER
04 HOLD PLATE 21 SHEET 38 SCREW
05 GUIDE PLATE 22 LIFTING PLATE 39 LABEL MAX LEVEL
06 REGULATING PLATE 23 PRESSURE SPRING 40 KNOB
07 LIFTING PLATE 24 REGULATING PLATE 41 REGULATING PLATE
08 LABEL PAPER SIZE 25 CASSETTE BODY 42 PRESSURE SPRING
09 PLATE SPRING 26 REINFORCE PLATE 43 LAVER
10 LABEL PAPER SIZE 27 SCREW 44 SHAFT
11 LEVER 28 PLATE 45 GUIDE PLATE
12 PLATE SPRING 29 TENSION SPRING 46 HANDLE
13 PLATE SPRING 30 LEVER 47 WIRING SADDLE 5.2H
14 FRICTION SHEET 31 LABEL CASSETTE 48 EDGE COVER 15.4H
15 LABEL 32 SCREW 49 EDGE COVER 8.5H
16 LABEL 33 PRESSURE SPRING 50 WIRE SADDLE 6.4H
17 LABEL 34 GEAR 14T
−−
Double Cassette Unit Exploded Diagrams for Double Cassette Unit 21
EPL-N2700 Optional Units Revision A
12
3704
3704
18
11
3704
14
10
13
3704
3704
08
09
20
17
07
16
21
15
04
05
22
06
23
9302
03
32
03
27
39
38
33
37
02
31
36
02
35
33
27
3704
34
37
38
01
42
9303
43
41
9302
44
46
40
03
03
04
45
21
24
28
30
29
50
49
47
48
19
26
25
Double Cassette Unit Exploded Diagrams for Double Cassette Unit 22
DUPLEX UNIT
EPL-N2700 Optional Units Revision A
2.1 Installing the Duplex Unit
This section describes how to install the Duplex Unit to t he printer main
body. Note you are required to remove optional units such as the
Duplex Unit when servicing the printer. The procedure for removing the
Duplex Unit is not included since you can remove it by reversing the
installation procedure.
1. Open the packing carton and get a Duplex Unit and a user’s
manual.
2. Remove the protection materials and tapes from the Duplex Unit .
3. Turn the printer power off and disconnect the AC power cable and
interface cable.
4. Remove the plastic cover covering the harness connecti ng the
duplex unit to the printer main body.
5. Remove the screw (3541) securing the CN cover to the rear right
corner of the printer body and remove the CN cover.
Figure 2-2. CN Cover Removal
6. Remove the screw (3727) securing the gear cover to the f user cover
and remove the gear cover.
Figure 2-1. Unpacking
CAUTION
After removing the packing materials, please keep
them out of children’s reach.
Figure 2-3. Plastic Cover Removal
Duplex Unit Installing the Duplex Unit 24
EPL-N2700 Optional Units Revision A
7. Remove two screws (2703) attached to the vertical trans port door.
8. Remove two screws (3727) securing the vertical trans port support
cover to the bottom part of the printer and remove the vertical
transport support cover.
Figure 2-4. Support Cover Removal
9. Using a phillips screw driver, secure the install the Duplex Unit to
the vertical transport door using two screws included with the
Duplex Unit.
10. Connect the harness from the Duplex Unit to the connector on the
printer main body.
11. Fasten three screws (3727) (attachment of the unit) to secure the
new sub cover included with the Duplex Unit to the printer.
12. Fasten the screw (3541) to fix the CN cover to the printer.
CHECK
PO INT
When placing the Duplex Unit, make sure two hooks
securely fit in the installation holes on the printer.
Before attaching the CN cover, make sure printer
connection harness is securely connected
13. Connect the interface cable and the AC power cable to the printer
and turn the printer on.
Figure 2-5. Duplex Unit Installation
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2.2 Disassembly and Assembly of the Duplex Unit
2.2.1 Duplex Unit Door Set Sensor Removal
1. Remove the Duplex Unit. (Refer to Section 2.1.)
2. Open the Duplex Unit Door.
3. Remove the stopper securing the door set sensor to the Duplex Unit
Frame and unhook the sensor from the frame.
4. Disconnect the harness from the connector on the sensor.
Figure 2-6. Paper Take-up Roller Removal
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2.2.2 Main Board Removal
1. Remove the Duplex Unit. (Refer to Section 2.1.)
2. Remove two screws securing the cover to the Duplex Unit.
3. Open the Duplex Unit door and release two hooks securing the
cover to the Duplex Unit Frame, and remove the cover.
4. Disconnect the harness from the connector on the Main Board.
5. Remove two screws (3504) securing the Main Board to the Duplex
Unit and remove the Main Board.
Figure 2-7. Main Board Removal
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2.2.3 Switch Back Motor Removal
1. Remove the Duplex Unit. (Refer to Section 2.1.)
2. Remove two screws (3907) securing the cover to the Duplex Unit.
3. Open the Duplex Unit door and r elease two hook s fixing the cover to
the Duplex Unit frame. Then remove the cover.
4. Remove the harness for the Switch Back Motor from the connector
on the Main Board.
5. Remove two screws (3104) securing the Switch Back Motor to the
Duplex Unit and remove the Switch Back Motor.
Figure 2-8. Switch Back Motor Removal
Duplex Unit Disassembly and Assembly of the Duplex Unit 28
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2.2.4 Transport Motor Removal
1. Remove the Duplex Unit. (Refer to Section 2.1.)
2. Remove two screws (3907) securing the cover to the Duplex Unit.
3. Open the Duplex Unit door and r elease two hook s fixing the cover to
the Duplex Unit frame. Then remove the cover.
4. Remove the harness for the Transport Motor from the connector on
the main aboard.
5. Remove two screws (3104) securing the Transport Motor to the
Duplex Unit and remove the Transport Motor and the plate.
Figure 2-9. Transport Motor Removal
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2.2.5 Transport Roller Removal
1. Remove the Duplex Unit. (Refer to Section 2.1.)
2. Remove two screws (3907) securing the cover to the Duplex Unit.
3. Open the Duplex Unit door and r elease two hook s fixing the cover to
the Duplex Unit frame. Then remove the cover.
4. Remove the Main Board. (Refer to Section 2.2.2.)
5. Remove the Switch Back Motor. (Refer to Section 2.2.3.)
6. Remove the Transport Motor. (Refer to Section 2.2.4.)
7. Remove the screw (3504) securing the ground cable to the axle
plate and remove the ground cable.
8. Remove three screws (3704) securing two plates to the holders
through the axel plate and remove the plates and the axel plate.
9. Release the hooks on the gears 20T attached to the Transport
Rollers and remove the gears 20T and the bushings.
10. Remove the E-ring (9302) from each transport roller shaft and
remove the bushing from the transport roller shaft.
11. Remove the Transport Rollers from the Duplex Unit.
Figure 2-10.
Transport Roller Removal
Duplex Unit Disassembly and Assembly of the Duplex Unit 30
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