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Epson epl n2700 schematic

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Page 1

®
EPSON EPL-N2700 Optional Units
SEPG98007
Page 2
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.
Page 3
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.
Page 4
Revision Status
Revision Issued Date Description
A Fuburary 10, 1999 Revision A
Page 5
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
Page 6
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
Page 7
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
Page 8

DOUBLE CASSETTE UNIT

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Page 9
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
Page 10
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
Page 11
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
Page 12
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
Page 13
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
Page 14
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
Page 15
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
Page 16
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
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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
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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
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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
Page 20
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
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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
Page 22
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
Page 23

DUPLEX UNIT

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Page 24
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
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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
Duplex Unit Installing the Duplex Unit 25
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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
Duplex Unit Disassembly and Assembly of the Duplex Unit 26
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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
Duplex Unit Disassembly and Assembly of the Duplex Unit 27
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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
Duplex Unit Disassembly and Assembly of the Duplex Unit 29
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EPL-N2700 Optional Units Revision A

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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2.3 Maintenance of the Duplex Unit

The maintenance method of the Duplex Unit is mostly the same as for the printer body. Therefore, this se ction only describes the method specific to the Duplex Unit.

2.3.1 Cleaning the Transport Roller

1. Open the Duplex Unit door. (Refer to Section 2.2.1.)
2. Wipe the Transport Roller with a soft cloth moistened with water.
CAUTION
Do not use any solvent, including alcohol.
Figure 2-11. Cleaning the Transport Roller
Duplex Unit Maintenance of the Duplex Unit 31
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2.4 Exploded Diagrams for Duplex Unit

Table 2-1. Part List
No. Part Name No. Part Name
01 LEVER 20 PW BOARD-A, MAIN (PWB-A) 02 PRESSURE SPRING 21 PLATE 03 COVER 22 PLATE 04 PRESSURE SPRING 23 GEAR 35T 05 POLYESTER FILM 24 GEAR 24T 06 STOPPER 25 GEAR 17/45T 07 POLYESTER FILM 26 HARNESS 08 ROLLER 27 HOLDER 09 ROLL 28 SPRING
10 SHOULDER SCREW 29
11 COVER 30 STOPPER 12 SEAL 31 ACTUATOR 13 BUSHING 32 TORSION SPRING 14 GEAR 20T 33 FRAME 15 TENSION SPRING 34 COVER 16 LEVER 35 POLYESTER FILM 17 GEAR 12/40T 36 WASHER 18 AXLE PLATE 37 LABEL 19 MOTOR (M1, 2) - -
PHOTO INTERRUPTER, DOOR SET (S2)
Duplex Unit Exploded Diagrams for Duplex Unit 32
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EPL-N2700 Optional Units Revision A
20
PWB-A
21
3104
3504
3704
M2
19
3104
22
19
M1
3704
3504
26
22
18
25
23
23
23
24
17
27
16
9302
3907
24
15 14
3704
14
12
13
13
31
28
11
3704
3704
28
30
32
S2
28
10
29
09
09
08
37
28
06
3704
9107
36
07
04
03
09
05
13
10
9302
9302
33
02
13
09
01
04
08
05
35
34
Duplex Unit Exploded Diagrams for Duplex Unit 33
Page 34

LCC UNIT


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EPL-N2700 Optional Units Revision A

3.1 Installing the LCC Unit

This section describes how to install the LCC Unit, or Large Capacity Cassette Unit, to the printer main body. Note you are required to remove optional units such as the LCC Unit when servicing the printer. The procedure for removing the LCC Unit is not included since you can remove it by reversing the install ation procedure.
1. Open the packing carton and get a LCC Unit, four pairs of holder and screw, and a user’s manual.
2. Remove the protection materials and tapes from the LCC Unit.
Figure 3-2. Protection Material & Tape Removal
3. Remove the protection pads from the tray.
Figure 3-3. Protection Pad Removal
4. Shut the cassette in to the cabinet.
5. Turning the adjuster located at the front right corner of bottom part of the LCC Unit, set the unit on the floor.
Figure 3-4. Fixing The LCC Unit
CAUTION
Figure 3-1. Unpacking
After removing the packing materials, please keep them out of children’s reach.
LCC Unit Installing the LCC Unit 35
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6. Remove the bottom cover from the bottom part of the prin ter.
Figure 3-5. Bottom Cover Removal
7. Turn the printer power off and disconnec t the AC power cable and a interface cable.
8. Place the printer on the LCC Unit.
CAUTION
Two people are required to lift the printer safely.
9. Secure the printer and the LCC Unit by each c orner using the holde r and the screw (1603).
Figure 3-7. Securing the Printer to the LCC Unit
CHECK
PO INT
Figure 3-6. Placing the Printer on the LCC Unit
When placing the printer, make sure the blue
10. Connect the interface cable and the AC power cable to the printer and turn the printer on.
handouts of the printer and the LCC Unit are al l facing the same direction and all corners of the printer and the LCC Unit are aligned.
LCC Unit Installing the LCC Unit 36
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3.2 Disassembly and Assembly of the LCC Unit

3.2.1 Separate Roller/Torque Limiter Removal

1. Open the side cover of the LCC Unit.
2. Remove the C-Ring from the separate roller shaft and re mov e the Separate Roller first and then the Torque Limit er.
Figure 3-8. Separate Roller / Torque Limiter Removal

3.2.2 Feed Roller Removal

1. Open the side cover of the LCC Unit.
2. Remove the C-Ring from the feed roller shaft and remove the Feed Roller.
Figure 3-9. Reed Roller Removal
CAUTION
Always replace the Feed Roller, Separate Roller, and
CAUTION
the Torque Limiter together since they have the same length of life.
Always replace the Feed Roller, Separate Roller, and the Torque Limiter together since they have the same length of life.
LCC Unit Disassembly and Assembly of the LCC Unit 37
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3.2.3 Paper Take-up Unit Removal

1. Pull out the paper cassette.
2. Remove four screws (1723) securing the Paper Tray Unit to the LCC Unit and remove the Paper Tray Unit.
Figure 3-10. Paper Tray Unit Removal
3. Release three connectors and code clump inside the unit and remove the harness.
Figure 3-11. Harness Removal
4. Remove two screws (4021) securing the r ight co ver t o the LCC Unit and remove the right cover.
Figure 3-12. Right Cover Removal
LCC Unit Disassembly and Assembly of the LCC Unit 38
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EPL-N2700 Optional Units Revision A
5. Remove the side cover.
6. Remove two screws (4012) securing the Paper Take-up Unit to the LCC Unit and remove the Paper Take-up Unit.
Figure 3-13. Paper Take-up Unit Removal
3.2.3.1 Lift-up Sensor Removal
1. Remove the Paper Take-up Unit. (Refer to Section 3.2.3.)
2. Remove the stopper fixing the Lift-up Sensor to the Paper Take-up Unit.
3. Push down the Paper Take-up Roller to release the actuator from the sensor and remove the sensor.
4. Remove the harness from the connector on the sensor.
Figure 3-14. Lift-up Sensor Removal
LCC Unit Disassembly and Assembly of the LCC Unit 39
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3.2.3.2 Paper Take-up Roller (Right) Assembly Removal
1. Remove the Paper Take-up Unit. (Refer to Section 3.2.3.)
2. Remove the harness for the Lift-up Sensor. (Refer to Section
3.2.3.1.)
3. Remove the harness for the right paper take-up clutch.
4. Remove two springs on the Paper Take-up Roller Assembly.
6. Release the Paper Take-up Roller Assembly from the Paper Take­up Unit to loosen the timing belt, then remove the paper take-up Roller Assembly.
Figure 3-16. Paper Take-up Roller Assembly (Right) Removal (2)
CHECK
PO INT
When installing the Paper Take-up Roller Assembly, set the edge of the assembly to the indicated position in the figure below.
Figure 3-15. Paper Take-up Roller (Right) Assembly Removal (1)
5. Remove the shoulder screw securing the Paper Take-up Roller Assembly to the Paper Take-up Unit.
LCC Unit Disassembly and Assembly of the LCC Unit 40
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EPL-N2700 Optional Units Revision A
„
CAUTION
Always replace the Paper Take-up Roller 1 and 2 together since they have the same length of life.
„
When the Paper Take-up Roller in the LCC Unit is replaced while 1 optional Double Cassette Unit is connected, perform “LC3 Counter Clear” in the maintenance mode. (See EPL-N2700 Service Manual / Chapter 1.)
„
When the Paper Take-up Roller in the LCC Unit is replaced while optional Double Cassette Unit is disconnected, perform “LC2 Counter Clear” in the maintenance mode. (See EPL-N2700 Service Manual / Chapter 1.)
LCC Unit Disassembly and Assembly of the LCC Unit 41
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3.2.3.3 Right Paper Take-up Clutch Removal
1. Remove the Paper Take-up Unit. (Refer to Section 3.2.3.)
2. Remove the Paper Take-up Roller Assembly. (Refer to Section
3.2.3.2.)
3. Release the hook securing the Paper Take-up Clutch to the Paper Take-up Roller Shaft and remove the clutch to the rear.
4. Disconnect the harness for the Paper Take-up Clutch from the connector.
CHECK
PO INT
Be sure to hook th e cl u tch to the arm in the Paper Take-up Unit as shown in the figure below.
Figure 3-17. Paper Take-up Clutch Removal
LCC Unit Disassembly and Assembly of the LCC Unit 42
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3.2.3.4 Paper Take-up Rol ler (Left) Assembly Removal
CHECK
PO INT
1. Remove the Paper Take-up Unit. (Refer to Section 3.2.3.)
2. Remove the harness for the Lift-up Sensor. (Refer to Section
3.2.3.1.)
3. Remove the harness for the Paper Take-up Clutch (Left).
4. Remove two springs on the Paper Take-up Roller Assembly.
Be sure to hook the clutch to the arm in the Paper Take-up Unit.
5. Remove the shoulder screw securing the Paper Take-up Roller Assembly to the Paper Take-up Unit.
6. Remove the Paper Take-up Roller Assembly.
Figure 3-19. Paper Take-up Roller(Left) Assembly Removal (2)
CHECK
PO INT
When installing the Paper Take-up Roller Assembly, set the edge of the assembly to the indicated position in the figure below.
Figure 3-18. Paper Take-up Roller (Left) Assembly Removal (1)
LCC Unit Disassembly and Assembly of the LCC Unit 43
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EPL-N2700 Optional Units Revision A
„
CAUTION
Always replace the Paper Take-up Roller 1 and 2 together since they have the same length of life.
„
When the Paper Take-up Roller in the LCC Unit is replaced while 1 optional Double Cassette Unit is connected, perform “LC3 Counter Clear” in the maintenance mode. (See EPL-N2700 Service Manual / Chapter 1.)
„
When the Paper Take-up Roller in the LCC Unit is replaced while optional Double Cassette Unit is disconnected, perform “LC2 Counter Clear” in the maintenance mode. (See EPL-N2700 Service Manual / Chapter 1.)
LCC Unit Disassembly and Assembly of the LCC Unit 44
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3.2.3.5 Paper Take-up Clutch (Left) Removal
1. Remove the Paper Take-up Unit. (Refer to Section 3.2.3.)
2. Remove the Paper Take-up Roller Assembly. (Refer to Section
3.2.3.4.)
3. Release the hook securing the Paper Take-up Clutch to the Paper Take-up Roller Shaft and remove the clutch to the rear.
4. Disconnect the harness for the Paper Take-up Clutch from the connector.
CHECK
PO INT
Be sure to hook the clutch to the arm in the Paper Take-up Unit.
3.2.3.6 Paper Take-up Roller Removal
1. Remove the Paper Take-up Unit. (Refer to Section 3.2.3.)
2. Remove the Paper Take-up Roller Assembly. (Refer to Section
3.2.3.2.)
3. Remove the C-Ring from the Paper Take-up Roller Shaft.
4. Pull out the Paper Take-up Roller Shaft to the E-Ring side and remove the Paper Take-up Roller.
Figure 3-20. Paper Take-up Roller Removal
CHECK
PO INT
When installing the Paper Take-up Roller, face the C­Ring in the direction indicated in the figure below.
LCC Unit Disassembly and Assembly of the LCC Unit 45
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EPL-N2700 Optional Units Revision A
u
3.2.3.7 LCC Paper Take-up Sensor (PPS0) Removal
1. Remove the Paper Take-up Unit. (Refer to Section 3.2.3.)
2. Remove the shoulder screw securing the LCC Paper Take-up Sensor to the Paper Take-up Unit and remove the sensor.
3. Disconnect the harness from the connector on the LCC Paper Take­up Sensor.
3.2.3.8 Paper Empty Sensor 1 (PPS1) Removal
1. Remove the Paper Take-up Unit. (Refer to Section 3.2.3.)
2. Remove the tension spring set between the paper take-up roller act arm and Paper Take-up Unit.
3. Sliding the paper take-up roller act arm to the left, release the arm from the connection pin on the Paper Take -up Uni t, and r emove the link arm.
4. Remove the shoulder screw securing the Paper Empty Sensor to the Paper Take-up Unit and remove the sensor.
5. Disconnect the harness from the connector on the Paper Empty Sensor 1.
3.2.3.9 Paper Empty Sensor 2 (PPS2) Removal
1. Remove the Paper Take-up Unit. (Refer to Section 3.2.3.)
Tension Spring
Paper T ake-up Roller Act Arm
Paper Empty Sensor 1 (PPS1)
Paper Empty Sensor 2 (PPS2)
Paper Take-up Unit
Shoulder Screws
Link Arm
LCC Paper Take­Sensor (PPS0)
Shoulder Screw
Figure 3-21. Sensor Removal
(LCC Paper Take-up Sensor, Paper Empty Sensor 1 and 2)
2. Remove the shoulder screw securing the Paper Empty Sensor 2 to the Paper Take-up Unit and remove the sensor.
3. Disconnect the harness from the connector on the Paper Empty Sensor 2.
LCC Unit Disassembly and Assembly of the LCC Unit 46
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3.2.3.10 Paper Stand-by Position Sensor Removal
1. Remove the Paper Take-up Unit. (Refer to Section 3.2.3.)
2. Remove the screw (1306) securing the bracket for the Paper Stand­by Position Sensor to the reinforce plate and remove the Paper Stand-by Position Sensor along with the bracket.
3. Remove the screw (1306) securing the Paper Stand-by Position Sensor to the bracket and remove the Paper Stand-by Position Sensor.
4. Disconnect the harness from the connector on the Paper Stand-by Position Sensor.
3.2.3.11 Registration Sensor Removal
1. Remove the Paper Take-up Unit. (Refer to Section 3.2.3.)
2. Remove the screw (1306) securing the Registration Sensor to the bracket and remove the Registration Sensor.
3. Disconnect the harness from the connector on the Registration Sensor.
Figure 3-22. Sensor Removal
(Paper Stand-by Position Sensor / Registration Sensor)
LCC Unit Disassembly and Assembly of the LCC Unit 47
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EPL-N2700 Optional Units Revision A
3.2.3.12 Side Co ver Set Sensor Removal
1. Remove the Paper Take-up Unit. (Refer to Section 3.2.3.)
2. Unhook the Side Cover Set Sensor from the axle plate and remove the Side Cover Set Sensor.
3. Disconnect the harness from the connector on the Side Cover Set Sensor.
Figure 3-23. Side Cover Set Sensor Removal
LCC Unit Disassembly and Assembly of the LCC Unit 48
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EPL-N2700 Optional Units Revision A
3.2.3.13 Registration C lutch (RCL) Removal
1. Remove the Paper Take-up Unit. (Refer to Section 3.2.3.)
2. Disconnect the harness for the Side Cover Set Sensor from the sensor. (Refer to Section 3.2.3.12.)
3. Disconnect the harnesses for the Registration Clutch and the Separate Clutch from the relay connectors and release them from the cable clamp on the clutch bracket.
4. Remove two screws (4012) securing the clutch bracket to the axle plate and remove the clutch and the bracket.
5. Remove the registration clutch shaft and then remove the Registration Clutch and the bushing.
3.2.3.14 Separate Clutch Removal
1. Remove the Paper Take-up Unit. (Refer to Section 3.2.3.)
2. Disconnect the harness for the Side Cover Set Sensor from the sensor. (Refer to Section 3.2.3.12.)
3. Disconnect the harnesses for the Registration Clutch and the Separate Clutch from the relay connectors and release them from the harness clamp on the clutch bracket.
4. Remove two screws (4012) securing the clutch bracket to the axle plate and remove the clutch, bracket, and the ti ming belt.
5. Release the hook securing the Separate Clutch to the shaft and the E-Ring (9108), then remove the shaft and the busing from the Separate Clutch.
Figure 3-24. Registration/Separate Clutch Removal
LCC Unit Disassembly and Assembly of the LCC Unit 49
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EPL-N2700 Optional Units Revision A
„
CHECK
PO INT
Since the pins for the clutches can come off easily, be careful when handling the clutches.
„
When installing the clutch, be sure to fit the fixing part of the clutch in the arm of the bracket.
LCC Unit Disassembly and Assembly of the LCC Unit 50
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3.2.3.15 Registration Roller Remova l
1. Remove the Paper Take-up Unit. (Refer to Section 3.2.3.)
2. Remove the E-Ring (9151) attached to the front end of the Registration Roller’s shaft and remove th e Regist ration Roller and the bushing from the frame.
3. Remove three screws (4012) and two shoulder scr ews securi ng the frame to the Paper Take-up Unit.
4. Remove the pin and the gear 26T from the rear part of the Registration Roller.
5. Remove the bushing from the rear end of the Registration Roller and pull the Registration Roller out to the front.
3.2.3.16 Separate Roller Shaft Removal
1. Remove the Paper Take-up Unit. (Refer to Section 3.2.3.)
2. Remove the E-Ring (9108) securing the separate roller shaft to the axle plate.
3. Remove the Separate Roller by pulling it forward.
3.2.3.17 Feed Roller Shaft Removal
1. Remove the Paper Take-up Unit. (Refer to Section 3.2.3.)
2. Remove the E-Ring (9151) attached to the front end of the Registration Roller’s shaft and remove the Registration Roller and the bushing from the frame.
3. Remove the Separate Roller. (Refer to Section 3.2.3.16.)
4. Remove the screw (4012) and two shoulder screws securing the frame to the Paper Take-up Unit.
5. Remove the screw (4012, on the axle plate side) securing the bracket to the axle plate and remove the frame and the bracket.
6. Remove the E-Ring (9111) fixing the Feed Roller Shaft, bushing, and pulley (20T) to the axle plate and release the timing belt from the pulley.
7. Remove the bushing and the pulley (20T) from the Feed Roller Shaft.
8. Remove the E-Ring (9111) fixing the bushing and the pull ey (14T) to the Feed Roller Shaft and remove the Feed Roller Shaft from the Paper Take-up Unit.
Figure 3-25.
Registration Roller/Separate Roll er/ Feed Roller Shaft Removal
LCC Unit Disassembly and Assembly of the LCC Unit 51
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3.2.4 Drive Section Disassembly

3.2.4.1 LCC Transport Motor Removal
1. Pull out the paper cassette and remove the Paper Tray Unit. (Refer to Section 3.2.3.)
2. Remove the screw (4020) securing the maintenance cover to the LCC Unit and remove the maintenance cover.
3. Remove four screws (4021) securing t he re ar co ver to t he LCC Unit and remove the rear cover.
4. Disconnect the harness from the connector on the LCC transport motor board.
5. Remove two screws (1322) securing the LCC Transport Motor to the LCC Unit.
6. Release the timing belt from the pulley (18T) and remove the LCC Transport Motor.
Figure 3-27. LCC Transport Motor Removal
Figure 3-26. Rear Cover Removal (1)
LCC Unit Disassembly and Assembly of the LCC Unit 52
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3.2.4.2 LCC Set Sensor Rem o val
1. Pull out the paper cassette and remove the Paper Tray Unit. (Refer to Section 3.2.3.)
2. Remove the rear cover. (Refer to Section 3.2.4. 1.)
3. Unhook the LCC Set Sensor from the LCC Unit Frame and remove the sensor.
4. Disconnect the harness from the LCC Set Sensor.
3.2.4.3 Paper Near Empty Sensor Removal
1. Pull out the paper cassette and remove the Paper Tray Unit. (Refer to Section 3.2.3.)
2. Remove the rear cover. (Refer to Section 3.2.4.1.)
3. Remove the screw (3501) securing the br acket f or t he sensor to t he LCC Unit Frame and remove the bracket along with the sensor.
4. Remove the E-Ring (9106) fixing the lever for the Paper Near Empty Sensor to the bracket and remove the lever.
5. Unhook the Paper Near Empty Sensor from the br acket and remove the Paper Near Empty Sensor.
6. Disconnect the harness from the Paper Near Empty Sensor.
Figure 3-28. LCC Set Sensor Removal
Figure 3-29. Paper Near Empty Sensor Removal
LCC Unit Disassembly and Assembly of the LCC Unit 53
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3.2.4.4 LCC Lift-up Motor Removal
1. Pull out the paper cassette and remove the Paper Tray Unit. (Refer to Section 3.2.3.)
2. Remove the rear cover. (Refer to Section 3.2.4. 1.)
3. Disconnect the LCC Lift-up Motor harness from the relay connector.
4. Remove three screws (3501) securing the axle plate with the LCC Lift-up Motor attached on it to the LCC Unit Frame. Then remove the axle along with the LCC Lift-up Motor.
5. Remove two E-Rings (9111) fixing the gears 72T to the axle plate and remove the gears.
6. Release the harness for the LCC Lift-up Moto r from the cable clump in the axle plate.
7. Remove two screws (1379) securing the LCC Lift-up Motor to the axle plate and remove the motor.
CAUTION
Note the gears 72T integrate the one-way clutches that rotate in the opposite direction from each other. Therefore, be sure to set each gear to the correct position according to the distinguishable color of each gear.
Figure 3-30. LCC Lift-up Motor Removal
LCC Unit Disassembly and Assembly of the LCC Unit 54
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EPL-N2700 Optional Units Revision A
3.2.4.5 LCC Main Board Remo val
1. Pull out the paper cassette and remove the Paper Tray Unit. (Refer to Section 3.2.3.)
2. Remove the rear cover. (Refer to Section 3.2.4. 1.)
3. Remove two screws (4020) securing the pap er size set swit ch cover to the LCC Unit Frame and remove the cover.
4. Disconnect the harness from the connector on the LCC Main Board.
5. Remove the screw (3501) securing the LCC Main Boar d to the LCC Unit Frame.
6. Remove the PWB support and remove the LCC Main Board.
Figure 3-31. LCC Main Board Removal
LCC Unit Disassembly and Assembly of the LCC Unit 55
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EPL-N2700 Optional Units Revision A

3.2.5 Paper Tray Unit Disassembly

3.2.5.1 Roller with the Torque Limiter Removal
1. Pull out the paper cassette and remove the Paper Tray Unit. (Refer to Section 3.2.3.)
2. Release the hook securing the Rol ler with the Torque Limiter on it t o the lifter and remove the roller.
Figure 3-32. Roller with the Torque Limiter Removal
LCC Unit Disassembly and Assembly of the LCC Unit 56
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3.2.5.2 Timing Belt Removal
1. Pull out the paper cassette and remove the Paper Tray Unit. (Refer to Section 3.2.3.)
2. Remove three shoulder screws securing the Front Cover to the Paper Tray Unit.
3. Remove the E-Ring (9111) fixing the cam shaft to the bracket .
4. Remove three screws (3305) securing the br acket to the Pap er Tray Unit, then remove the pulley (32T) and the bra cket along with the timing belt.
5. Release the hook securing the ground plate for the lifter drive shaft to the pulley (20T) and remove the ground plate from the pulley.
6. Disengage the end of the timing belt from the pulley (20T).
7. Remove the E-Ring (9151) fixing the s haft for t he pulley ( 32T) to the bracket.
8. Sliding the pulley (32T) towar d the b racket t o r emove the pin (0531) and remove the pulley (32T) and the torsion spring from the shaft.
9. Remove the timing belt from the pulley (32T).
Figure 3-33. Front Cover Removal Figure 3-34. Timing Belt Removal
LCC Unit Disassembly and Assembly of the LCC Unit 57
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EPL-N2700 Optional Units Revision A
CHECK
PO INT
Be sure to install the timing belt to the pulley 20T and pulley 32T correctly as shown below;
CHECK
PO INT
When assembling the torsion spring and the pulley 32T, make sure one end of the torsion spring is properly inserted into the fixing part i n the holder.
LCC Unit Disassembly and Assembly of the LCC Unit 58
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EPL-N2700 Optional Units Revision A
3.2.5.3 Lifter Drive Shaft Removal
1. Pull out the paper cassette and remove the Paper Tray Unit. (Refer to Section 3.2.3.)
2. Remove three shoulder screws securing the Front Cover to the Paper Tray Unit. (Refer to Section 3.2.5.2.)
3. Release the hook fixing the ground plate f or the Lifter Drive Shaft to the pulley 20T and remove the ground plate from the pulley 20T.
4. Remove the E-Ring (9151) fixing the pulley 20T to the Lifter Drive Shaft and remove the pulley 20T from the Lifter Drive Shaft.
5. Remove two E-Rings (9151) securing two gear 24T beside the pulley 20T to the Lifter Drive Shaft and remove the gears 24T and the pin (0510) from the shaft.
6. Remove two E-Rings (9151) securing two gears 24T located in front of the Paper Tray Unit to the Lifter Drive Shaft, and remove the gears 24T from the shaft.
7. Remove the lifter from the Paper Tray Unit.
8. Remove six E-Rings (9151) securing the Lifter Drive Shaft to the lifter and remove Lifter Drive Shaft.
Figure 3-35. Lifter Driver Shaft Removal
LCC Unit Disassembly and Assembly of the LCC Unit 59
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EPL-N2700 Optional Units Revision A

3.3 Maintenance of the LCC Unit

The maintenance method of the LCC Unit is mostly same as for the printer body. Therefore, this section only describe the method specific to the LCC Unit.

3.3.1 Maintenance Items

The LCC parts that require maintenance are as listed in the following table.
Table 3-1. Maintenance Items
Maintenance Item Operations required Replacement Cycle
Paper Take-up Roller 1 Cleaning / Replacement 300,000 sheets Paper Take-up Roller 2 Cleaning / Replacement 300,000 sheets Roller with a Torque Limiter Cleaning / Replacement 300,000 sheets Feed Roller Cleaning / Replacement 200,000 sheets Separate Roller Cleaning / Replacement 200,000 sheets Torque Limiter Assembly Replacement 200,000 sheets

3.3.2 Cleaning the Paper Take-up Roller

1. Remove the Paper Take-up Unit. (Refer to Section 3.2.3.)
2. Wipe the Paper Take-up Roller with a soft cloth moistened with water.
Figure 3-36. Cleaning the Paper Take-up Roller
Vertical Transport Roller Cleaning / Replacement ­Vertical Transport Roller
(driven)
CAUTION
Do not use any solvent, including alcohol.
Cleaning / Replacement 300,000 sheets
LCC Unit Maintenance of the LCC Unit 60
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3.3.3 Cleaning the Feed/Separate Roller

1. Open the side cover.
2. Wipe the Paper the roller with a soft cloth moistened with water.
Figure 3-37. Cleaning the Feed/Separate Roller
3.3.4 Cleaning the Vertical Transport Roller / Roller
(Driven)
1. Remove the Paper Take-up Unit. (Refer to Section 3.2.3.)
2. Wipe the Vertical Transport Roller / Roller (Dri ven) with a soft cloth moistened with water.
Figure 3-38. Cleaning the Vertical Transport Roll er / Roller (Driven)
LCC Unit Maintenance of the LCC Unit 61
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3.3.5 Cleaning the Roller with a Torque Limiter

1. Remove the paper cassette. (Refer to Section 3.2.3.)
2. Wipe the Paper the Roller with a Torque Limiter with a soft cloth moistened with water.
Figure 3-39. Cleaning the Roller with a Torque Limiter
LCC Unit Maintenance of the LCC Unit 62
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EPL-N2700 Optional Units Revision A

3.4 Exploded Diagrams for LCC Unit

3.4.1 Housing

Table 3-2. Part List - Housing
No. Part Name No. Part Name
1 COVER 13 COVER 2 SHEET 14 REAR COVER 3 SHEET 15 POLYESTER FILM 4 RIGHT COVER 16 HOLDER 5 GROUND PLATE 17 LEFT COVER 6 SHOULDER SCREW 18 COVER 7 STOPPER 19 LABEL WARNING 8 BRACKET 20 COVER
9 SHOULDER SCREW 21 REGULATING PLATE 10 GROUND PLATE 22 SHOULDER SCREW 11 BRACKET 23 HOLDER 12 HANDLE - -
LCC Unit Exploded Diagrams for LCC Unit 63
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EPL-N2700 Optional Units Revision A
13
14
09
11
4020
05
20
4012
08
4012
4020
4021
12
12
11
16
4012
15
4012
4012
05
04
11
12
4012
12
01
03
02
19
10
4012
11
21
17
4021
3504
23
1603
22
LCC Unit Exploded Diagrams for LCC Unit 64
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EPL-N2700 Optional Units Revision A

3.4.2 Paper Take-up Section (A)

Table 3-3. Part List - Paper Take-up Section (A)
No. Part Name No. Part Name
1 GUIDE PLATE 18 SHAFT
PHOTO INTERRUPTER (PPS0-
2
2) 3 SHOULDER SCREW 20 SHAFT 4 REINFORCE PLATE 21 ARM 5 BRACKET 22 GEAR 26T 6 POLYESTER FILM 23 SHAFT 7 HOLDER 24 PULLEY 20T
PHOTO INTERRUPTER (RSEN,
8
S1)
9 ARM 26 TIMING BELT
19 STOPPER RING
25 TENSION SPRING
10 TENSION SPRING 27 CLUTCH (P1CL, PC2L) 11 ARM 28 PULLEY 18T 12 STOPPER 29 ARM 13 BRACKET 30 PULLEY 26T 14 GROUND PLATE 31 HARNESS 15 BUSHING 32 HARNESS 16 PHOTO INTERRUPTER (ls1, 2) 33 HARNESS 17 TENSION SPRING
−−
LCC Unit Exploded Diagrams for LCC Unit 65
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EPL-N2700 Optional Units Revision A
P2CL
29
9111
27
25
9111
P1CL
24
9111
9111
15
16
17
28
27
9111
29
LS2
21
03
30
26
23
12 13
25
9111
22
20
24
9111
9111
15
21
16
17
19
LS1
03
18
11
08
12
15
RSEN
13
9111
1309
07
06
14
4012
02
1309
03
PPS1
S1
06
10
08
PPS0
09
07
4012
05
04
03
02
01
9111
15
30
23
22
19
31
18
03
20
33
32
PPS2
02
LCC Unit Exploded Diagrams for LCC Unit 66
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EPL-N2700 Optional Units Revision A

3.4.3 Paper Take-up Section (B)

Table 3-4. Part List - Paper Take-up Section (B)
No. Part Name No. Part Name
1 ROLLER 24 GEAR 24T 2 PLATE SPRING 25 GEAR 20/35T 3 SHAFT 26 PULLEY 14T 4 BRACKET 27 ROLLER 5 LABEL 28 LEVER 6 AXLE PLATE 29 SHAFT
PHOTO INTERRUPTER,
7
DOORSET (SIDE) 8 BUSHING 31 SHAFT 9 GEAR 18T 32 SHAFT
10 GEAR 22/29T 33 PLY GEAR 14/26T 11 PLATE SPRING 34 TIMING BELT
30 SHAFT
12 GEAR 26T 35 PLY GEAR 14/26T 13 BUSHING 36 SHAFT 14 PULLEY 20 37 POLYESTER FILM 15 SHOULDER SCREW 38 BRACKET 16 GEAR 20T 39 TENSION SPRING 17 SHAFT 40 ARBOR ASSY 18 CLUTCH, REGIST (RCL) 41 ROLLER 19 BRACKET 42 CLUTCH 20 CLUTCH, SEPARATE (BCL) 43 STOPPER RING 21 SHAFT 44 FRAME 22 PULLEY 18T 45 ROLLER 23 TIMING BELT -- -
LCC Unit Exploded Diagrams for LCC Unit 67
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EPL-N2700 Optional Units Revision A
19
4012
08
9108
20
BCL
21
13
9106
18
RCL
0508
22
17
25
0512
23
9111
24
16
9111
13
08
12
08
14
15
0508
4012
13
15
11
10 09
08
SIDE
08
30
31
0509
34
06
9111
35
07
9108
26
9103
05
32
33
0512
0512
0508
29
9103
04
27
37
28
40
39
01
45
03
08
9111
43
02
41
43
4012
42
15
01
44
4012
11
4012
4012
13
9151
15
36
38
LCC Unit Exploded Diagrams for LCC Unit 68
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EPL-N2700 Optional Units Revision A

3.4.4 Drive Section

Table 3-5. Part List - Drive Section
No. Part Name No. Part Name
1 HARNESS 19 AXLE PLATE 2 IC 20 BUSHING 3 HARNESS 21 GEAR 72T 4 PW BOARD-A, MAIN (PWB-A) 22 GEAR 72T 5 MOTOR, TRANS (HMOT) 23 SHAFT 6 LEVER 24 WORM GEAR
PHOTO INTERRUPTER (FRONT, 7
RS1,2) 8 PWB SUPPORT 26 WORM GEAR 9 BRACKET 27 MOTOR, LIFT-UP (EMOT)
10 HARNESS 28 HOLDER
25 GEAR 16/32T
11 HARNESS 29 PULLEY 18T 12 HARNESS 30 TIMING BELT 13 PRESSURE SPRING 31 PLY GEAR 16/50T 14 SHAFT 32 BRACKET 15 GEAR 16/32T 33 HARNESS 16 GEAR 16/32T 34 ARBOR 17 BUSHING 35 MAGNET CATCH 18 GEAR 58T
− −
LCC Unit Exploded Diagrams for LCC Unit 69
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EPL-N2700 Optional Units Revision A
02
33
9111
17
18
17
9111
3501
17
22
20
9111
14
27
9111
9111
9111
25
15
EMOT
9111
1379
23
0509
20
13
21
20
19
9111
9111
0509
26
28
18
9111
9111
23
3501
9106
12
9111
24 20
09
17
11
RS2
16
15
10
3501
34
9111
07
06
09
3501
9106
14
9111
RS1
13
9111
28
PWB-A
08
07
1322
06
05
3501
04
HMOT
1210
35
3501
35
03
1210
01
32
07
FRONT
31
30
9151
7107
29
LCC Unit Exploded Diagrams for LCC Unit 70
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EPL-N2700 Optional Units Revision A

3.4.5 Paper Tray Unit (A)

Table 3-6. Part List - Paper Tray Unit (A)
No. Part Name No. Part Name
1 BRACKET 10 POLYESTER FILM 2 RAIL 11 POLYESTER FILM 3 HANDLE 12 HOLDER 4 GROUND PLATE 13 REGULATING PLATE 5 SHOULDER SCREW 14 CASSETTE BODY 6 POLYESTER FILM 15 FRONT COVER 7 HOLDER 16 STOPPER 8 SHOULDER SCREW 17 LABEL SIZE 9 LABEL MAX LEVEL
−−
LCC Unit Exploded Diagrams for LCC Unit 71
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EPL-N2700 Optional Units Revision A
17
14
01
13
08
09
12
13
11
10
04
09
06
08
1723
07
06
05
02
04
01
4022
03
05
1723
02
4022
16
05
4022
15
LCC Unit Exploded Diagrams for LCC Unit 72
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EPL-N2700 Optional Units Revision A

3.4.6 Paper Tray Unit (B)

Table 3-7. Part List - Paper Tray Unit (B)
No. Part Name No. Part Name
1HOLDER 14CAM 2 GUIDE PLATE 15 HOLDER 3 ROLL ASSY 16 TORSION SPRING 4 HOLDER 17 TORSION SPRING 5 GEAR 24T 18 PULLEY 32T 6 PAD 19 TIMING BELT 7 PULLEY 20T 20 SHAFT 8 GROUND PLATE 21 SHAFT 9 CUSHION 22 WIRING SADDLE
10 BUSHING 23 WIRING SADDLE 11 SHAFT 24 WIRING SADDLE 12 SHAFT 25 EDGE COVER 13 BRACKET 26 CABLE TIE
LCC Unit Exploded Diagrams for LCC Unit 73
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EPL-N2700 Optional Units Revision A
9151
0245
10
0531
9151
0245
11
10
0531
11
12
9111
3305
9111
14
9111
9151
09
12
15
08
05
9151
02
17
07
9151
9111
05
18
14
09
9151
08
9151
0510
04
9151
19
07
20
9151
9151
05
09
06
21
9151
0510
9151
05
9151
0510
9151
9151
9151
05
04
9151
09
9151
9151
09
20
01
05
22 24
03
0510
09
21
09
9151
02
9151
9151
01
09
05
9151
9151
05
26
13
15
16
23 25
18
19
LCC Unit Exploded Diagrams for LCC Unit 74
Page 75

5-BIN UNIT


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EPL-N2700 Optional Units Revision A

4.1 Installing the 5-Bin Unit

This section describes how to install the 5-Bi n Un it to the printer main body. Note you are required to remove optional units such as the 5-Bin Unit when servicing the printer. The procedur e for removing the 5-Bin Unit is not included since you can remove it by reversi ng the install ation procedure.
CAUTION
2. Remove the protection materials and tapes from the 5-Bin Unit.
After removing the packing materials, please keep them out of children’s reach.
CAUTION
Note the 5-Bin Unit can not be used with the 10-Bin Unit.
1. Open the packing carton and get a 5-Bin Unit, two fixing screws, separate cover, and another box containing fi ve trays, and a user’s manual.
Figure 4-2. Protection Material & Tape Removal
Figure 4-1. Unpacking
5-Bin Unit Installing the 5-Bin Unit 76
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EPL-N2700 Optional Units Revision A
3. Get the five trays out of the box.
Figure 4-3. Getting the five Trays
4. Turn the printer power off and disconnect the AC power cable and interface cable.
5. If a 10-Bin Unit is installed to the printer, remove it. (Refer to Chapter 5.)
6. Remove two top cover panels (front and rear optional covers) from the top of the printer.
7. Remove the side cover from the back of the printer.
8. Place the 5-Bin Unit on the printer by fitting the posi tioning pins on the 5-Bin Unit in the holes on the printer and also aligning the front face of the 5-Bin Unit with the positioning line on the pri n ter. Then shift the 5-Bin Unit to the fuser unit side until it does not move any further.
Figure 4-5. Placing the 5-Bin Unit
Figure 4-4. Top Cover Panel/Side Cover Removal
5-Bin Unit Installing the 5-Bin Unit 77
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EPL-N2700 Optional Units Revision A
1
2
9. Using the included fixing screws, fix the 5-Bin Unit to the printer by the front and back of the printer.
CHECK
PO INT
When disconnecting the cable for the 5-Bin Unit, unlock the tab on the connector.
Figure 4-6. Fixing the 5-Bin Unit
10. Connect the cable from the 5-Bin Unit to the connector located at the side cover of the printer.
Figure 4-7. Connecting the Cable
CAUTION
When connecting/disconnecting the cable to/from the connector at the side cover, make sure the printer power is off.
11. Close the side cover.
Figure 4-8. Side Cover Installation
5-Bin Unit Installing the 5-Bin Unit 78
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EPL-N2700 Optional Units Revision A
2
1
3
12. Install the separate co ver to the mounting screw part of the 5-Bin Unit.
CAUTION
Note the shape of the tray varies depending on the installation position, as shown on the right. Therefore, be sure to install each tray to the correct position.
14. Insert the other trays by fitting the protrusions on the trays in the mounting holes in the 5-Bin Unit. Then hook each tray to the cutout
Figure 4-9. Separate Cover Installation
in the both sides on the 5-Bin Unit.
13. Set the 1st tray (bottom tray) by fitting the protrusions on the tray in the sockets. Make sure the tray is stable with its self -weight.
Figure 4-10. Tray Installation - 1st Tray
15. When the 5-Bin Unit is installed, connect the I/F cable and the AC Power cable, then turn the printer on.
Figure 4-11. Tray Installation - Other Trays
5-Bin Unit Installing the 5-Bin Unit 79
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EPL-N2700 Optional Units Revision A

4.2 Disassembly and Assembly of the 5-Bin Unit

4.2.1 Front Cover Removal

1. Remove the 5-Bin Unit. (Refer to Section 4.1.)
2. Remove four screws (3541) securing the Front Cover to the 5-Bin Unit, and remove the Front Cover by pulling it forward.

4.2.2 Rear Cover Removal

1. Remove the 5-Bin Unit. (Refer to Section 4.1.)
2. Remove four screws (3541) securing the Rear Cover to the 5-Bin Unit, and remove the Rear Cover by pulling it to the rear. (See Figure 4-12.)
NOTE:If Front/Rear Cover is removed, the Top Cover is also
removed together.

4.2.3 Jammed Paper Remove Door Removal

1. Remove the Top and Rear Covers. (Refer to Section 4.2.2.)
2. Open the Jammed Paper Removal Door until the sensor flag does not interfere with the unit frame and also the door can be removed from the frame. (viewing f rom the top, appr oximately 40 Then, remove the door by moving it upward.
° is needed.)
Figure 4-12. Front Cover Removal
5-Bin Unit Disassembly and Assembly of the 5-Bin Unit 80
Figure 4-13. Jammed Paper Remove Door Removal
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EPL-N2700 Optional Units Revision A

4.2.4 Shift Motor (M2) Removal

1. Remove the Front Cover. (Refer to Section 4.2.1.)
2. Remove two screws (3501) securing the bracket for the Shi ft Motor to the 5-Bin Unit and pull out the Bin 1 shift mechanism.
3. Separate the cam gear 64T from the arm in the Bin 1 shift mechanism.
4. Remove two screws (3402) securing the Shift Motor to the bracket and remove the motor.
5. Disconnect the harness for the motor from the relay connector.
Figure 4-14. Shift Motor (M2) Removal
5-Bin Unit Disassembly and Assembly of the 5-Bin Unit 81
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EPL-N2700 Optional Units Revision A

4.2.5 Guide Position Sensor (PC3) Removal

1. Remove the Front Cover, Rear Cover, Top Cover, and the Jammed Paper Remove Door. (Refer to Section 4.2.1, Section 4.2.2, and Section 4.2.3.)
2. Rotating the paper guide drive motor, move the paper guide to the top position (position used at Bin 4/5 feeding).
3. Remove two screws (3704) securing the holder (detect ion plate) to the frame and remove the holder.
4. Remove the sensor stopper from the paper guide.
5. Unhook the Guide Position Sensor from the paper guide.
6. Disconnect the harness from the connector on the sensor.

4.2.6 Control Board (PWB-A) Removal

1. Remove the Rear Cover. (Refer to Section 4.2.2.)
2. Disconnect the harness from the connector on the Control Board.
3. Remove four PWB support securing the Control Board to the bracket and remove the Control Board.
Figure 4-16. Control Board (PWB-A) Removal
Figure 4-15. Guide Position Sensor Removal
5-Bin Unit Disassembly and Assembly of the 5-Bin Unit 82
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EPL-N2700 Optional Units Revision A

4.2.7 Bin 4/ Bin 5 Switch Solenoid (SL2) Removal

1. Remove the Rear Cover. (Refer to Section 4.2.2.)
2. Remove the Control Board. (Refer to Section 4.2.6.)
3. Release the harness from the cable clamp in the bracket.
4. Remove six screws (3501) securing the bracket to the unit frame and remove the bracket.
5. Remove the screw (3501) securing the bracket for the Bin 4/Bin 5 Switch Solenoid to the u nit frame and remove the bracket a long with the jammed paper remove door sensor.
6. Remove two screws (1305) securing the Bin 4/Bin 5 Switch Solenoid to the bracket and r emove the bra cket from the Bin 4/Bin 5 Switch Solenoid.
7. Remove two screws (1305) securing the Bin 4/Bin 5 Switch Solenoid to the holder and remove the holder from the Bin 4/Bin 5 Switch Solenoid.
CHECK
PO INT
When installing the plunger of the solenoid, be sure to join the spring pin (0214) in the plunger with the guide
CAUTION
lever holder.
When removing the Bin 4/Bin 5 Switch Solenoid, pay
Figure 4-17. Bin 4/Bin 5 Switch Solenoid Removal
attention to the plunger as it will come off easily.
5-Bin Unit Disassembly and Assembly of the 5-Bin Unit 83
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EPL-N2700 Optional Units Revision A
4.2.8 Jammed Paper Remove Door Sensor (PC1)
Removal
1. Remove the Rear Cover. (Refer to Section 4.2.2.)
2. Remove the Control Board. (Refer to Section 4.2.6.)
3. Release the harness from the cable clamp in the bracket.
4. Remove six screws (3501) securing the bracket to the unit frame and remove the bracket.
5. Remove the screw (3501) securing the bracket for the Bin 4/Bin 5 Switch Solenoid to the u nit frame and remove the bracket a long with the Jammed Paper Remove Door Sensor.
6. Remove the stopper attaching the Jammed Paper Remove Door Sensor to the bracket.
7. Release the hook on the Jammed Paper Remove Door Sensor and remove the sensor from the bracket.
8. Disconnect the harness from the connector on the Jammed Paper Remove Door Sensor.

4.2.9 Transport Motor (M1) Removal

1. Remove the Rear Cover. (Refer to Section 4.2.2.)
2. Disconnect the harness for the Transport Motor from the connector on the Control Board.
3. Release the harness from the harness clamp located below the Transport Motor.
4. Remove two screws (3501) securing the Transport Motor to the bracket and remove the motor.
Figure 4-18. Transport Motor Removal
CHECK
PO INT
When installing the bracket for the Transport Motor to the Unit Frame, make sure the gear 24T in the Bin 1 Guide and the gear 22/29T in the Transport Motor Unit are engaged.
5-Bin Unit Disassembly and Assembly of the 5-Bin Unit 84
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EPL-N2700 Optional Units Revision A

4.2.10 Paper Guide Drive Motor (M3) Removal

1. Remove the Rear Cover. (Refer to Section 4.2.2.)
2. Disconnect the harness for the Paper Guide Drive Motor from the relay connector.
3. Remove two screws (3501) securing the Paper Guide Drive Motor to the bracket and remove the Paper Guide Drive Motor.
Figure 4-19. Paper Guide Drive Motor Removal
5-Bin Unit Disassembly and Assembly of the 5-Bin Unit 85
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EPL-N2700 Optional Units Revision A

4.2.11 Transfer Switch Solenoid (SL1) Removal

1. Remove the Rear Cover. (Refer to Section 4.2.2.)
2. Release the harness for the so lenoid from four cable cl amps around the Transport Motor and disconnect the harness from the relay connector.
CHECK
PO INT
When installing the solenoid plunger, join the pin of the transfer switch tip holder with the installation hole in the holder on the plunger side.
3. Remove the screw (3501) securing the bracket for the Transfer Switch Solenoid to the Unit Frame and remove the solenoid.
4. Remove two screws (1305) securing the bracket to the Transf er Switch Solenoid and remove the bracket from the solenoid.
CAUTION
When removing the solenoid, pay attention to the plunger as it is breakable.
Figure 4-20. Transfer Switch Solenoid Removal
5-Bin Unit Disassembly and Assembly of the 5-Bin Unit 86
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EPL-N2700 Optional Units Revision A

4.2.12 Paper Guide Home Position Sensor (PC2) Removal

1. Remove the Front Cover and the Rear Cover. (Refer to Section
4.2.1 and Section 4.2.2.)
2. Remove the Jammed Paper Remove Door. (Refer to Section 4.2.3.)
3. Remove the Transfer Switch Solenoid. (Refer to Section 4.2.11.)
4. Remove two screws (3501 and 4005) securing the bracket for the Paper Guide Drive Motor to the Unit Frame and remove the motor along with the bracket. (Refer to Section 4.2. 10.)
5. Remove five screws (4005 x 2 and 3501 x 3) securing the guide plate located at the bottom of the 5-Bin Unit to the Unit Frame and remove the guide plate.
6. Remove the stopper fixing the Paper Guide Home Position Sensor to the Unit Frame.
7. Unhook the Paper Guide Home Position Sensor from the Unit Frame and remove the sensor.
8. Disconnect the harness from the connector on the Paper Guide Home Position Sensor.
Figure 4-22. Paper Guide Home Position Sensor Removal
Figure 4-21. Paper Guide Removal
5-Bin Unit Disassembly and Assembly of the 5-Bin Unit 87
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4.2.13 Bin 1 Shift Home Position Sensor (PC4) Removal

1. Remove the Front Cover and the Rear Cover. (Refer to Section
4.2.1 and Section 4.2.2.)
2. Remove the Jammed Paper Remove Door. (Refer to Section 4.2.3.)
3. Remove the Transfer Switch Solenoid. (Refer to Section 4.2.11.)
4. Remove two screws (3501 and 4005) securing the bracket for the Paper Guide Drive Motor to the Unit Frame and remove the motor along with the bracket. (Refer to Section 4.2. 10.)
5. Remove five screws (4005 x 2 and 3501 x 3) securing the guide plate located at the bottom of the 5-Bin Unit to the Unit Frame and remove the guide plate. (Refer to Section 4.2.12.)
6. Remove the stopper attaching the Bin 1 Shift Home Position Sensor to the Unit Frame.
7. Unhook the Bin 1 Shift Home Position Sensor from the Unit Frame.
8. Disconnect the harness from the c onnector o n the Bi n 1 Shif t Home Position Sensor.
Figure 4-23. Bin 1 Shift Home Position Sensor Removal
5-Bin Unit Disassembly and Assembly of the 5-Bin Unit 88
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4.2.14 Paper Empty Sensor Board (PWB-B/D1-3/E) Removal

1. Remove the Front Cover and the Rear Cover. (Refer to Section
4.2.1 and Section 4.2.2.)
2. Remove four screws (4025) securing the guide plate to the Unit Frame and remove the guide plate.
Figure 4-25. Paper Empty Sensor Board Removal
When installing the guide plate, be careful not to catch the lever for each sensor.
Since the PWB-E sensor lever is long, it is better to remove the lever and the tension spring before
Figure 4-24. Guide Plate Removal
3. Unhook the sensor holder from the guide.
CHECK
PO INT
removing the sensor board.
4. Remove the Paper Empty Sensor Board from the guide and disconnect the harness from the connector on the sensor.
5-Bin Unit Disassembly and Assembly of the 5-Bin Unit 89
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4.2.15 Eject Sensor Board (PWB-C) Removal

1. Remove the Front Cover and the Rear Cover. (Refer to Section
4.2.1 and Section 4.2.2.)
2. Remove five screws (4005 x 2 and 3501 x 3) securing the guide plate at the bottom of the 5-Bin Unit to the Unit Frame and remove the guide plate. (Refer to Section 4.2.12.)
3. Disconnect the harness from the connector on the Eject Sensor Board.
4. Remove two shoulder screws securing the Bin 1 guide to the shift mechanism to make room between the guide and the Eject Sensor Board.
5. Release the hook securing the Eject Sensor Board to the guide plate and remove the sensor board.
6. Remove the screw (3501) securing the Eject Sensor Board to the holder and remove the holder from the Eject Sensor Board.
Figure 4-26. Eject Sensor Board Removal
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4.2.16 Shift Guide Plate Removal

1. Remove the Front Cover and the Rear Cover. (Refer to Section
4.2.1 and Section 4.2.2.)
2. Remove the Shift Motor along with the bracket. (Refer to Sect ion
4.2.4.)
3. Remove the Transport Motor along with the bracket. (Refer to Section 4.2.9.)
4. Remove the Transfer Switch Sol enoid along with t he bracket. ( Refer to Section 4.2.11.)
5. Remove the Bin 1 Guide, gear 24T, pin (0535), and the Eject Sensor Board. (Refer to Section 4.2.15.)
6. Remove the screw (4005) and five screws (3501) securing the Shift Guide Plate to the Unit Frame and remove the shift mechanism from the 5-Bin Unit Frame.
7. Remove two shoulder screws securing the Shift Guide Plate to the guide plate and two rolls. Then remove the Shift Guide Plate from the guide plate.
8. Remove the screw (1318) securing the arm and shaft to the Shift Guide Plate and remove the arm and the shaft.
Figure 4-27. Shift Guide Plate Removal
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EPL-N2700 Optional Units Revision A

4.2.17 Eject Roller Shaft Removal

4.2.17.1 Bin 1 Eject Rol ler Shaf t Removal
1. Remove the Front Cover and the Rear Cover. (Refer to Section
4.2.1 and Section 4.2.2.)
2. Remove the Transport Motor along with the bracket. (Refer to Section 4.2.9.)
3. Remove five screws (4005 x 2 and 3501 x 3) securing the guide plate at the bottom of the 5-Bin Unit to the Unit Frame and remove the guide plate. (Refer to Section 4.2.12.)
4. Remove four screws (3501) securing the guide plate located under the Bin 1 Eject Roller Shaft to the Unit Frame, and remove the guide plate. (See Figure 4-28.)
5. Remove the retaining ring (9302) fixing the gear 20T to the Bin 1 Eject Roller Shaft, and remove the gear. (See Figure 4-28.)
6. Remove two retaining rings (9302) fixing the bushings for the Bin 1 Eject Roller Shaft to the Unit F rame, and remove the bushings . (See Figure 4-28.)
7. Remove the Bin 1 Eject Roller Shaft.
4.2.17.2 Bin 2 Eject Roller Shaft Removal
1. Remove the Front Cover and the Rear Cover. (Refer to Section
4.2.1 and Section 4.2.2.)
2. Remove the Transport Motor along with the bracket. (Refer to Section 4.2.9.)
3. Remove the Paper Guide Drive Motor along with the bracket. (Refer to Section 4.2.10.)
4. Remove four screws (4025) securing the guide plate to the Unit Frame and remove the guide plate. (See Figure 4-28.)
5. Remove the retaining ring (9302) fixing the gear 20T to the Bin 1 Eject Roller Shaft and remove the gear. (See Figure 4-28.)
6. Remove the retaining ring (9302) securing the gear 28/32T to the Unit Frame shaft and remove the gear. (See Figure 4-28.)
7. Remove the retaining ring (9302) fixing the gear 20T to the Bin 2 Eject Roller Shaft and remove the gear. (See Figure 4-28.)
8. Remove the retaining ring (9302) fixing the bushings for the Bin 2 Eject Roller Shaft to the Unit Frame and remove the bus hings . (See Figure 4-28.)
9. Remove the Bin 2 Eject Roller Shaft.
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EPL-N2700 Optional Units Revision A
4.2.17.3 Bin 3 - 5 Eject Roller Shaft Removal
1. Remove the Front Cover and the Rear Cover. (Refer to Section
4.2.1 and Section 4.2.2.)
2. Remove the Bin4/Bin5 Switch Solenoid. (Refer to Section 4.2.7.)
3. Remove four screws (4025) securing the guide plate to the Unit Frame and remove the guide plate. (Refer to Section 4.2.14.)
4. Remove the retaining ring (9302) fixing the gear 20T to Eject Roller Shaft and remove the gear. (See Figure 4-28.)
5. Remove four screws (3501) securing the guide plate located under the Eject Roller Shaft t o the Unit Frame and re move the gui de plate. (See Figure 4-28.)
6. Remove the retaining ring (9302) fixing the bushings for the Eject Roller Shaft to the Unit Frame and remove the bushings. (See Figure 4-28.)
7. Remove the Eject Roller Shaft.
Figure 4-28.
Bin 1- 5 Eject Roller Shaft Removal
5-Bin Unit Disassembly and Assembly of the 5-Bin Unit 93
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EPL-N2700 Optional Units Revision A

4.2.18 Movable Paper Guide Removal

1. Remove the Front Cover and the Rear Cover. (Refer to Section
4.2.1 and Section 4.2.2.)
2. Remove the Jammed Paper Remove Door. (Refer to Section 4.2.3.)
3. Remove the screw (3501) securing the support plate (lower) to the Unit Frame and remove the support plate.
4. Remove the screw (3501) and the shoulder screw securing the guide lever to the Unit Frame and remove the guide lever.
5. Remove the Paper Guide Drive Motor. (Refer to Section 4.2.10.)
6. Remove the retaining ring (9302) fixing the gear 14/70T to the Uni t Frame shaft and remove the gear.
7. Remove the retaining ring (9302) fixing the gear 14/42T to the Uni t Frame shaft and remove the gear.
8. Remove the retaining ring (9302) fixing the gear 24T to the Unit Frame shaft and remove the gear.
9. Remove the retaining ring (9301) fixing the bushing located under the gear 24T to the Movable Paper Guide and remove the bushing and the washer.
10. Remove the retaining ring (9302) fi xing the bushing located in front of the Movable Paper Guide to the Unit Frame and remove the bushing.
11. Remove the harness for the Guide Position Sensor. (Refer to Section 4.2.5.)
12. Remove the Movable Paper Guide from the right and left inst allation holes in the Unit Frame.
Figure 4-29. Movable Paper Guide Removal
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EPL-N2700 Optional Units Revision A

4.2.19 Transfer Switch Guide Lever Removal

1. Remove the Front Cover and the Rear Cover. (Refer to Section
4.2.1 and Section 4.2.2.)
2. Remove the Jammed Paper Remove Door. (Refer to Section 4.2.3.)
3. Remove the Movable Paper Guide. (Refer to Section 4.2.18.)
4. Remove the Transfer Switch Solenoid. (Refer to Section 4.2.11.)
5. Remove the retaining ring (9302) securing the arm to the Transfer Switch Guide Lever and remove the arm and the tension spring.
6. Remove the retaining ring (9301) securing the bushing under the arm from the inner side and remove the bushing.
7. Remove the Transfer Switch Guide Lever from the Unit Frame.

4.2.20 Bin 4 /Bin 5 Switch Guide Lever Removal

1. Remove the Front Cover and the Rear Cover. (Refer to Section
4.2.1 and Section 4.2.2.)
2. Remove the Jammed Paper Remove Door. (Refer to Section 4.2.3.)
3. Remove the Bin 4 /Bin 5 Switch Solenoid. (Refer to Section 4.2.7.)
4. Remove the retaining ring ( 9302) securing t he arm to the Bi n 4/Bin 5 Switch Guide Lever and remove the arm and the tension spring.
5. Remove the retaining ring (9301) securing the Bin 4/Bin 5 Switch Guide Lever from the inner side to the Unit Frame and remove the bushing and the Bin 4/Bin 5 Switch Guide Lever.
Figure 4-30. Transfer Switch Guide Lever Removal
5-Bin Unit Disassembly and Assembly of the 5-Bin Unit 95
Figure 4-31. Bin 4/Bin 5 Switch Guide Lever Removal
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EPL-N2700 Optional Units Revision A

4.3 Maintenance of the 5-Bin Unit

The maintenance method of the 5-Bin Unit is mostly same as for the printer body. Therefore, this section only describe the method specific to the 5-Bin Unit.

4.3.1 Maintenance Items

The 5-Bin Unit part that requires maintenance is as shown in the following table.
Table 4-1. Maintenance Items
Maintenance Item Operations required Replacement Cycle
Transport roller (each) Cleaning / Replacement 300,000 sheets

4.3.2 Cleaning the Paper Take-up Roller

1. Remove the Rear Cover. (Refer to Section 4.2.2.)
2. Wipe the Transport Roller with a soft cloth moistened with water.

4.4 Exploded Diagrams for 5-Bin Unit

4.4.1 Housing

Table 4-2. Part List - Housing
No. Part Name No. Part Name
1 TOP COVER 7 TRAY 2 REAR COVER 8 TRAY 3 COVER 9 TRAY 4 HOLDER 10 COVER 5 ROLL 11 FRONT COVER 6 SHOULDER SCREW 12 LABEL BIN
CAUTION
Do not use any solvent, including alcohol.
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EPL-N2700 Optional Units Revision A
02
01
12
07
08
09
06
3541
05
3704
03
04
3704
05
3704
04
05
3704
04
05
04
11
06
3541
10
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EPL-N2700 Optional Units Revision A

4.4.2 Paper Exit Section

Table 4-3. Part List - Paper Exit Section
No. Part Name No. Part Name
1 SHOULDER SCREW 22
2 ROLL 23 PWB SUPPORT 3 GUIDE PLATE 24 HARNESS 4 ROLL 25 STOPPER 5 GUIDE PLATE 26 COVER 6 HOLDER 27 NEUTRALIZING BRUSH 7 PW BOARD-C (PWB-C) 28 NEUTRALIZING BRUSH 8 SHAFT 29 COVER
9 GROUND PLATE 30 BUSHING 10 SUPPORT 31 GEAR 45T 11 GEAR 24T 32 MOTOR, SHIFT (M2) 12 BELT 33 BRACKET 13 BUSHING 34 GEAR 15T 14 SHOULDER SCREW 35 SHAFT 15 ROLL 36 SHAFT 16 GUIDE 37 GEAR 16/28T
PW BOARD-A, CONTRO (PWB-A)
17 GUIDE PLATE 38 CAM GEAR 64T 18 ROLLER 39 ARM
PHOTO INTERRUPTER, SHIFT
19
(PC4)” 20 PWB SUPPORT 41 SHAFT 21 BRACKET 42 HOLDER
40 SHAFT
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EPL-N2700 Optional Units Revision A
PWB-A
24
22
3501
23
26
19
PC4
21
20
25
4025
3501 3501 3501 3501
3501
3501
27
12
10
11
12
12
3501
9302
0535
28
3501
13
10
09
14
3501
3501
3501 3501
3501
18
08
16
05
17
07
06
14
4025
3501
12
12
01
PWB-C
29
03
02
1318
9302
13
15
04
01
01
04
4005
30
02
01
41
40
01
4005
31
32
4005
39
1318
9126
9125
3402
42
02
42
0534
M2
02
9124
38
01
37
34
36
35
30
1320 1320
33
3501
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EPL-N2700 Optional Units Revision A

4.4.3 Paper Transport Section (A)

Table 4-4. Part List - Paper Transport Section (A)
No. Part Name No. Part Name
1 GUIDE PLATE 1 1 BRACKET 2 GUIDE PLATE 12 MOTOR, TRANSPORT (M1) 3 GUIDE PLATE 13 HOLDER 4 GUIDE PLATE 14 TENSION SPRING 5 BUSHING 15 GEAR 22/29T 6 GEAR 28T 16 SHOULDER SCREW 7 GEAR 30T 17 GUIDE PLATE 8 GEAR 46T 18 ROLLER 9 GEAR 28/32T 19 ROLLER
10 GEAR 18/29T 20 ROLLER
5-Bin Unit Exploded Diagrams for 5-Bin Unit 100
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