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EPSON EPL-N2700 Optional Units
®
SEPG98007
Notice:
All rights reserved. No part of this manual may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SEIKO EPSON CORPORATION. The contents of this manual are subject to change without notice. All effort have been made to ensure the accuracy of the contents of this manual. However, should 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 trademarks of their respective owners. EPSON disclaims any and all rights in those marks.
Copyright © 1996 SEIKO EPSON CORPORATION. Printed in Japan.
PREFACE
This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of EPSON EPL-N2700 Optional Units. The instructions and procedures included herein are intended for the experienced repair technicians, and attention should be given to the precautions on the preceding page. The chapters are organized as follows:
PCHAPTER 1. DOUBLE CASSETTE UNIT
Describes the step-by-step procedures for disassembling and assembling the Double Cassette Unit.
CHAPTER 2.
DUPLEX UNIT
Describes the step-by-step procedures for disassembling and assembling the Duplex Unit.
CHAPTER 3.
LCC UNIT
Describes the step-by-step procedures for disassembling and assembling the LCC Unit.
CHAPTER 4.
5-BIN UNIT
Describes the step-by-step procedures for disassembling and assembling the 5Bin Unit.
CHAPTER 5.
10-BIN UNIT
Describes the step-by-step procedures for disassembling and assembling the Double Cassette Unit.
CHAPTER 6.
Operating Principles for Optional Units
Explains the operating principles of each optional unit.
Revision Status
Revision A Issued Date Fuburary 10, 1999 Description Revision A
Contents
Double Cassette Unit
Installing the Double 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 ...................................................... 16 Cleaning the Paper Take-up Roller ..................................................................... 16 Cleaning the Transport Roller ............................................................................. 16 Exploded Diagrams for Double Cassette Unit ................................................ 17 Housing ............................................................................................................... 17 Paper Take-up Section ........................................................................................ 19 Paper Tray Unit ................................................................................................... 21 Separate Roller/Torque Limiter Removal ............................................................ 37 Feed Roller Removal .......................................................................................... 37 Paper Take-up Unit Removal .............................................................................. 38
Duplex Unit
Installing the Duplex 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 .................................................................... 31 Cleaning the Transport Roller ............................................................................. 31 Exploded Diagrams for Duplex Unit .............................................................. 32
Lift-up Sensor Removal ...................................................................... Paper Take-up Roller (Right) Assembly Removal .............................. Right Paper Take-up Clutch Removal ................................................ Paper Take-up Roller (Left) Assembly Removal ................................ Paper Take-up Clutch (Left) Removal ................................................ Paper Take-up Roller Removal .......................................................... LCC Paper Take-up Sensor (PPS0) Removal ................................... Paper Empty Sensor 1 (PPS1) Removal ........................................... Paper Empty Sensor 2 (PPS2) Removal ........................................... Paper Stand-by Position Sensor Removal ......................................... Registration Sensor Removal ............................................................. Side Cover Set Sensor Removal ........................................................ Registration Clutch (RCL) Removal ................................................... Separate Clutch Removal .................................................................. Registration Roller Removal ............................................................... Separate Roller Shaft Removal .......................................................... Feed Roller Shaft Removal ................................................................ LCC Transport Motor Removal .......................................................... LCC Set Sensor Removal .................................................................. Paper Near Empty Sensor Removal .................................................. LCC Lift-up Motor Removal ................................................................ LCC Main Board Removal .................................................................. Roller with the Torque Limiter Removal ............................................. Timing Belt Removal .......................................................................... Lifter Drive Shaft Removal ................................................................. Maintenance of the LCC Unit .........................................................................
Maintenance Items .............................................................................................. Cleaning the Paper Take-up Roller ..................................................................... Cleaning the Feed/Separate Roller ..................................................................... Cleaning the Vertical Transport Roller / Roller (Driven) ...................................... Cleaning the Roller with a Torque Limiter ...........................................................
39 40 42 43 45 45 46 46 46 47 47 48 49 49 51 51 51 52 53 53 54 55 56 57 59 60
60 60 61 61 62
Drive Section Disassembly ................................................................................. 52
Paper Tray Unit Disassembly .............................................................................. 56
LCC Unit
Installing the LCC Unit .................................................................................. 35 Disassembly and Assembly of the LCC Unit .................................................. 37
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
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 ............................................. 114 Outer Cover Removal ....................................................................................... 114 Tray Section Disassembly/Assembly ................................................................ 115
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) Removal ...................................................... 83 Jammed Paper Remove Door Sensor (PC1) Removal ....................................... 84 Transport Motor (M1) Removal ........................................................................... 84 Paper Guide Drive Motor (M3) Removal ............................................................. 85 Transfer Switch Solenoid (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
Transport Motor (M1) Removal ........................................................ Transport Motor Pulse Detection Switch (PC1) Removal ................ Sorter Set Switch (S1) Removal ....................................................... Controller Board (PWB-A) Removal ................................................. Sort/Non-Sort Switch Solenoid (SL1) Removal ................................ Solenoid Assembly (SL2, SL3) Removal ......................................... Bin 1/Bin 6 Paper Empty Sensor Board Removal (PWB-B/D5) ....... Paper Empty Sensor Board (PWB-D1-D4, D6-D9) Removal ........... Eject Sensor Board (PWB-C) Removal ............................................ Vertical Transport Roller Removal ................................................... Eject Roller Removal ........................................................................ Bin Switch Guide Removal ............................................................... Eject Guide Removal ........................................................................ Sort/Non-Sort Switch Guide Removal .............................................. Transport Roller Removal ................................................................ Rear Cover Removal ........................................................................ Non-Sort Bin Jam Sensor (PC1) Removal ....................................... Horizontal Transport Door Sensor (PC4) Removal .......................... Horizontal Transport Unit Paper Empty Sensor (PC6) Removal ...... Paper Path Switch Solenoid Removal .............................................. Horizontal Transport Roller Removal ............................................... Adjustment .................................................................................................
115 116 117 117 118 118 119 120 121 122 123 124 125 126 127 128 128 129 129 130 131 132
Horizontal Transport Unit Disassembly/Assembly ............................................ 128
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 ....................................................................... 96 Maintenance Items .............................................................................................. 96 Cleaning the Paper Take-up Roller ..................................................................... 96 Exploded Diagrams for 5-Bin Unit ................................................................. 96 Housing ............................................................................................................... 96 Paper Exit Section ............................................................................................... 98 Paper Transport Section (A) .............................................................................. 100 Paper Transport Section (B) .............................................................................. 102
Timing Belt Tension Adjustment ....................................................................... 132 Test Mode ......................................................................................................... 132
Pre-Operation ................................................................................... Activating the Test Mode .................................................................. Cancelling the Test Mode ................................................................. Details of Each Test Mode ...............................................................
132 133 133 133
Adjusting the Eject Sensor ................................................................................ 139 Maintenance ............................................................................................... 140
Maintenance Items ............................................................................................ 140 Cleaning the Paper Take-up Roller ................................................................... 140 Exploded Diagrams .................................................................................... 141 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
Vertical Transport Mechanism .......................................................... Paper Take-up Mechanism .............................................................. Paper Take-Up Retry Control ........................................................... Paper Separating Mechanism .......................................................... Paper Pressure Releasing Mechanism ............................................ Paper Take-up Roller Retracting Mechanism .................................. Paper Size Regulating Plate ............................................................ Paper Size Setting ............................................................................ LCC Set Detection ............................................................................ Lifting Mechanism ............................................................................ Paper Near Empty Detection ............................................................ Paper Empty Detection .................................................................... 5-Bin Unit ...................................................................................................
174 175 178 179 180 180 181 181 182 183 185 185 186
Operating principles
Double Cassette Unit .................................................................................. 162 Structure ............................................................................................................ 162
Structure ............................................................................................................ 186
Drive Section Layout ........................................................................ 186 Electrical Component Layout ........................................................... 187
Mechanical Operations ..................................................................................... 188
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
Paper Exit Path ................................................................................ Single/Duplex Print Switch Mechanism ............................................ Paper Guide Mechanism .................................................................. Bin 4/Bin 5 Switch Mechanism ......................................................... Shift Mechanism ............................................................................... Paper Empty Detection Mechanism ................................................. Paper Full Detection Mechanism ..................................................... 10-bin Unit ..................................................................................................
188 189 189 190 190 191 192 193
Structure ............................................................................................................ 193
Drive Section Layout ........................................................................ 194 Electrical Component Layout ........................................................... 195
Mechanical Operations ..................................................................................... 196
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
Paper Exit Path ................................................................................ Paper Transport Mechanism (Horizontal Transport Unit) ................. Bin Switch Mechanism ..................................................................... Paper Empty Detection Mechanism ................................................. Paper Full Detection Mechanism ..................................................... Normal Mode (Non-Sort Mode) ........................................................ Large Capacity Mode (Stacker Mode) .............................................. Mailbox Mode ................................................................................... Sorter Mode ...................................................................................... Multiple Sorter Mode ........................................................................
196 198 198 199 199 200 200 200 200 200
Mode Description .............................................................................................. 200
Drive System Layout ........................................................................ 172 Electrical Components Layout .......................................................... 173
Mechanical Operation ....................................................................................... 174
DOUBLE CASSETTE UNIT
EPL-N2700 Optional Units
Revision A
2. Pull out the paper cassette and remove the protection materials.
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.
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
C A U T IO N
After removing the packing materials, please keep them out of children's reach.
Figure 1-3. Bottom Cover Removal
Double Cassette Unit
Installing the Double Cassette Unit
9
EPL-N2700 Optional Units
5. Place the printer main body on the Double Cassette Unit.
Revision A
6. Attache the bottom cover to the bottom part of the Double Cassette Unit.
Figure 1-4. Placing the Printer on the Double Cassette Unit
C H E C K P O IN T
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. 2 people are required to lift the printer as shown in the figure.
Figure 1-5. Installing the Bottom Cover 7. Secure the corners for the printer and the Double Cassette Unit with the holders and screws (1603).
C A U T IO N
Figure 1-6. Attaching the Holders 8. Connect the interface cable and the AC power cable to the printer and turn the printer on.
Double Cassette Unit
Installing the Double Cassette Unit
10
EPL-N2700 Optional Units
Revision A
1.2 Disassembly and Assembly of the Double Cassette Unit
This section provides the disassembly procedure for the Double Cassette Unit. Unless otherwise specified, assembly can be performed by following the disassembly procedure in reverse order.
C A U T IO N
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.
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 bracket 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
C H E C K P O IN T
When installing the Paper Take-up Roller, ensure the roller is securely locked as shown in the figure below.
Double Cassette Unit
Disassembly and Assembly of the Double Cassette Unit
11
EPL-N2700 Optional Units
Revision A
1.2.3 Paper Near Empty Sensor Removal
1. Release three hooks attaching the holder to the guide 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.
9302
3501 3704 3704
S5
3704 3501 3501
S4
3501
3704 9302 3501
Figure 1-8. Removal of the Paper Empty / Paper Near Empty / Paper Feed Sensors
Double Cassette Unit
Disassembly and Assembly of the Double Cassette Unit
12
EPL-N2700 Optional Units
Revision A
1.2.5 Paper Size 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 cover from the bracket. 3. Release the hook securing the Paper Size Sensor to the inner bracket and remove the sensor 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 support, and remove the PWB-A.
Figure 1-10. PWB-A Removal Figure 1-9. Paper Size Sensor Removal
Double Cassette Unit
Disassembly and Assembly of the Double Cassette Unit
13
EPL-N2700 Optional Units
Revision A
1.2.7 Paper Take-up Solenoid Removal
1. Remove the tension spring hooked to the gear 31T. 2. Remove the screw (3501) securing the paper take-up solenoid cover to the bracket and remove the cover. 3. Remove the screw (3501) securing the Paper Take-up Solenoid to the bracket and remove the solenoid from the bracket. 4. Disconnect the harness from the connector on the solenoid.
Figure 1-11. Paper Take-up Solenoid Removal
Double Cassette Unit
Disassembly and Assembly of the Double Cassette Unit
14
EPL-N2700 Optional Units
Revision A
1.2.8 Right Door Set Sensor Removal
1. Remove the tension spring hooked to the gear 31T. 2. Remove two screws (3704) securing the PWB-A board bracket to the Double Cassette Unit Frame and remove the bracket. (See Section 1.2.7.) 3. Remove the screw (3501) securing the plate spring to the bracket and remove the plate spring from the bracket. 4. Remove the following screws:
Two screws (3704) securing the solenoid bracket to the Double Cassette Unit Frame. Four screws (3704) securing the Paper Take-up Mechanism (including the axle plate, guide plate, and bracket) to the 2nd Cassette Frame. The screw (3501) securing the rail and axle plate.
5. Lift up the Paper Take-up Solenoid and bracket. 6. Remove two screws (3501) securing the solenoid bracket to the Paper Take-up mechanism and remove the solenoid bracket. 7. Remove the stopper securing the Right Door Set Sensor to the solenoid bracket. 8. Release the hook fixing the Right Door Set Sensor to the solenoid bracket and remove the sensor. 9. Disconnect the harness from the connector on the Right Door Set Sensor. Figure 1-12. Right Door Set Sensor Removal
Double Cassette Unit
Disassembly and Assembly of the Double Cassette Unit
15
EPL-N2700 Optional Units
Revision A
1.3 Maintenance of the Double Cassette Unit
The maintenance method of the Double Cassette Unit is mostly the same as for the printer body. Therefore, this section only describes the method specific to the Double Cassette Unit.
1.3.2 Cleaning the Transport Roller
1. Open the side cover. 2. Wipe the Transport Roller with a soft cloth moistened with water.
C A U T IO N
Do not use any solvent, including alcohol.
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.
Figure 1-14. Cleaning the Transport Roller
Figure 1-13. Cleaning the Paper Take-up Roller
Double Cassette Unit
Maintenance of the Double Cassette Unit
16
EPL-N2700 Optional Units
Revision A
1.4 Exploded Diagrams for Double Cassette Unit
1.4.1 Housing
Table 1-1. Part List - Housing
No. 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 GUIDE BRACKET PLATE SPRING RUBBER FOOT FRAME COVER GROUND PLATE BRACKET HARNESS BRACKET PW BOARD-A, MAIN (PWB-A) PWB SUPPORT 6.35H HARNESS BRACKET SHOULDER SCREW RUBBER FOOT Part Name No. 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
-
Part Name HOLDER SPRING BRACKET BRACKET SHOULDER SCREW SWITCH, SIZE (S1) HARNESS COVER RUBBER FOOT BRACKET BRACKET RAIL PLATE SPRING BRACKET HOLDER
-
Double Cassette Unit
Exploded Diagrams for Double Cassette Unit
17
EPL-N2700 Optional Units
Revision A
09 10
3704 3727
08 11
3501
06
3501
01
05 04
03
PWB-A
3704
02 07
12 13
3704
3704
14
3501
24 18 15 15
3704
17 19
23 22 21 25
3714
03 31
3501
S1
29 30
20 21 02 16 27 28
3704 3704
1603
3704
3704
25
3714
26
3704
Double Cassette Unit
Exploded Diagrams for Double Cassette Unit
18
EPL-N2700 Optional Units
Revision A
1.4.2 Paper Take-up Section
Table 1-2. Part List - Paper Take-up Section
No. 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 Part Name GUIDE PLATE HOLDER POLYESTER FILM COLLAR ROLLER SHAFT AXLE PLATE ROLLER BUSHING GEAR 30/36T GEAR 31T TENSION SPRINT PHOTO INTERRUPTER (2S-5) BRACKET SOLENOID, TAKE-UP (SL1) BRACKET STOPPER GEAR 16/20T GEAR 20T GEAR 18T No. 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Part Name BUSHING GEAR 34T HARNESS HOLDER BRACKET LEVER AXLE PLATE SPACER TORSION SPRING BRACKET TORSION SPRING ACTUATOR BRACKET COLLAR BRACKET SHAFT ACTUATOR TORSION SPRING GUIDE PLATE GUIDE
Double Cassette Unit
Exploded Diagrams for Double Cassette Unit
19
EPL-N2700 Optional Units
Revision A
3501
16 15
SL1
3501
12 14 13
S2
11 10 20 09 06 21
9302 1208
03 04 02 01 05 05 07 08 39 27 13 26
S5
3501
9302
17
18 19
9301
19
22
3501 3704
38 40 37
04 02 03 36 40
28
3704
22 23 25 17 24
17
3501
3704
13 28 21
S3
3501
29 30
3501
35
S4
13 32
3704 9302
17
3501
33 34
31
Double Cassette Unit
Exploded Diagrams for Double Cassette Unit
20
EPL-N2700 Optional Units
Revision A
1.4.3 Paper Tray Unit
Table 1-3. Part List - Paper Tray Unit
No. 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 Part Name GROUND PLATE CORK COLLAR HOLD PLATE GUIDE PLATE REGULATING PLATE LIFTING PLATE LABEL PAPER SIZE PLATE SPRING LABEL PAPER SIZE LEVER PLATE SPRING PLATE SPRING FRICTION SHEET LABEL LABEL LABEL No. 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 Part Name STOPPER REINFORCE PLATE PLATE SPRING SHEET LIFTING PLATE PRESSURE SPRING REGULATING PLATE CASSETTE BODY REINFORCE PLATE SCREW PLATE TENSION SPRING LEVER LABEL CASSETTE SCREW PRESSURE SPRING GEAR 14T No. 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
-
Part Name SHOULDER SPRING SHAFT WASHER SCREW LABEL MAX LEVEL KNOB REGULATING PLATE PRESSURE SPRING LAVER SHAFT GUIDE PLATE HANDLE WIRING SADDLE 5.2H EDGE COVER 15.4H EDGE COVER 8.5H WIRE SADDLE 6.4H
-
Double Cassette Unit
Exploded Diagrams for Double Cassette Unit
21
EPL-N2700 Optional Units
Revision A
04 05 08 07 06
9302
03 03 02 02 01 39 38 37 36 35 34 33 32 33 27 42
9303
3704
38 41
9302
11 10
3704
09
37 40 03
3704
3704
15 16 17
03 44 43 46 45 04
12
3704
13 14
18
3704
22 23 20 21 21 27 30 29 24 19 26 25 28 50 49 47 48 31
Double Cassette Unit
Exploded Diagrams for Double Cassette Unit
22
DUPLEX UNIT
EPL-N2700 Optional Units
Revision A
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 connecting 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.
2.1 Installing the Duplex Unit
This section describes how to install the Duplex Unit to the 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.
Figure 2-2. CN Cover Removal 6. Remove the screw (3727) securing the gear cover to the fuser cover and remove the gear cover.
Figure 2-1. Unpacking
C A U T IO N
After removing the packing materials, please keep them out of children's reach. Figure 2-3. Plastic Cover Removal
Duplex Unit
Installing the Duplex Unit
24
EPL-N2700 Optional Units
7. Remove two screws (2703) attached to the vertical transport door. 8. Remove two screws (3727) securing the vertical transport support cover to the bottom part of the printer and remove the vertical transport support cover.
Revision A
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.
C H E C K P O IN T
When placing the Duplex Unit, make sure two hooks securely fit in the installation holes on the printer.
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.
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
EPL-N2700 Optional Units
Revision A
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
EPL-N2700 Optional Units
Revision A
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
EPL-N2700 Optional Units
Revision A
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 release two hooks fixing the cover to the Duplex Unit frame. Then remove the cover. 5. Remove two screws (3104) securing the Switch Back Motor to the Duplex Unit and remove the Switch Back Motor. 4. Remove the harness for the Switch Back Motor from the connector on the Main Board.
Figure 2-8. Switch Back Motor Removal
Duplex Unit
Disassembly and Assembly of the Duplex Unit
28
EPL-N2700 Optional Units
Revision A
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 release two hooks fixing the cover to the Duplex Unit frame. Then remove the cover. 5. Remove two screws (3104) securing the Transport Motor to the Duplex Unit and remove the Transport Motor and the plate. 4. Remove the harness for the Transport Motor from the connector on the main aboard.
Figure 2-9. Transport Motor Removal
Duplex Unit
Disassembly and Assembly of the Duplex Unit
29
EPL-N2700 Optional Units
Revision A
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.
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 release two hooks 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.)
Figure 2-10. Transport Roller Removal
Duplex Unit
Disassembly and Assembly of the Duplex Unit
30
EPL-N2700 Optional Units
Revision A
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 section 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.
C A U T IO N
Do not use any solvent, including alcohol.
Figure 2-11. Cleaning the Transport Roller
Duplex Unit
Maintenance of the Duplex Unit
31
EPL-N2700 Optional Units
Revision A
2.4 Exploded Diagrams for Duplex Unit
Table 2-1. Part List
No. 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 LEVER PRESSURE SPRING COVER PRESSURE SPRING POLYESTER FILM STOPPER POLYESTER FILM ROLLER ROLL SHOULDER SCREW COVER SEAL BUSHING GEAR 20T TENSION SPRING LEVER GEAR 12/40T AXLE PLATE MOTOR (M1, 2) Part Name No. 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 Part Name PW BOARD-A, MAIN (PWB-A) PLATE PLATE GEAR 35T GEAR 24T GEAR 17/45T HARNESS HOLDER SPRING PHOTO INTERRUPTER, DOOR SET (S2) STOPPER ACTUATOR TORSION SPRING FRAME COVER POLYESTER FILM WASHER LABEL -
Duplex Unit
Exploded Diagrams for Duplex Unit
32
EPL-N2700 Optional Units
Revision A
19
3104 3504
11 18 17
37 03
01
20
PWB-A
M1
3704
12 16 15 14 08 13 09 10 09
06
04 05
02
22
3704 3704 3704 3504
21
3104
22
23 23 23
9302
04 07 05 09
M2
19 25
24
13 24 14
3704
29
S2
26
08 10
27 28
3907
3704
35
09 34
30 31
9302
13
9107
13
9302
32 28 28 28 36
33
Duplex Unit
Exploded Diagrams for Duplex Unit
33
LCC UNIT
EPL-N2700 Optional Units
Revision A
2. Remove the protection materials and tapes from the LCC Unit.
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 installation procedure.
Figure 3-2. Protection Material & Tape Removal 1. Open the packing carton and get a LCC Unit, four pairs of holder and screw, and a user's manual. 3. Remove the protection pads from the tray.
Figure 3-3. Protection Pad Removal 4. Shut the cassette in to the cabinet. Figure 3-1. Unpacking
C A U T IO N
5. Turning the adjuster located at the front right corner of bottom part of the LCC Unit, set the unit on the floor.
After removing the packing materials, please keep them out of children's reach.
Figure 3-4. Fixing The LCC Unit
LCC Unit
Installing the LCC Unit
35
EPL-N2700 Optional Units
6. Remove the bottom cover from the bottom part of the printer.
C A U T IO N
Revision A
Two people are required to lift the printer safely.
Figure 3-5. Bottom Cover Removal 7. Turn the printer power off and disconnect the AC power cable and a interface cable. 8. Place the printer on the LCC Unit. 9. Secure the printer and the LCC Unit by each corner using the holder and the screw (1603).
Figure 3-7. Securing the Printer to the LCC Unit Figure 3-6. Placing the Printer on the LCC Unit
C H E C K P O IN T
When placing the printer, make sure the blue handouts of the printer and the LCC Unit are all facing the same direction and all corners of the printer and the LCC Unit are aligned.
10. Connect the interface cable and the AC power cable to the printer and turn the printer on.
LCC Unit
Installing the LCC Unit
36
EPL-N2700 Optional Units
Revision A
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 remove the Separate Roller first and then the Torque Limiter.
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 3-8. Separate Roller / Torque Limiter Removal
C A U T IO N
Figure 3-9. Reed Roller Removal
C A U T IO N
Always replace the Feed Roller, Separate Roller, and 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
EPL-N2700 Optional Units
Revision A
3. Release three connectors and code clump inside the unit and remove the harness.
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 3-11. Harness Removal Figure 3-10. Paper Tray Unit Removal 4. Remove two screws (4021) securing the right cover to the LCC Unit and remove the right cover.
Figure 3-12. Right Cover Removal
LCC Unit
Disassembly and Assembly of the LCC Unit
38
EPL-N2700 Optional Units
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.
Revision A
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 3-13. Paper Take-up Unit Removal
Figure 3-14. Lift-up Sensor Removal
LCC Unit
Disassembly and Assembly of the LCC Unit
39
EPL-N2700 Optional Units
Revision A
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.
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.
Figure 3-16. Paper Take-up Roller Assembly (Right) Removal (2)
C H E C K P O IN T
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
EPL-N2700 Optional Units
Revision A
C A U T IO N
,, 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
EPL-N2700 Optional Units
Revision A
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.
C H E C K P O IN T
Be sure to hook the clutch 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
EPL-N2700 Optional Units
Revision A
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.
3.2.3.4 Paper Take-up Roller (Left) Assembly Removal
C H E C K P O IN T
Be sure to hook the clutch to the arm in the Paper Take-up Unit.
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.
C H E C K P O IN T
Figure 3-19. Paper Take-up Roller(Left) Assembly Removal (2)
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
EPL-N2700 Optional Units
Revision A
C A U T IO N
,, 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
EPL-N2700 Optional Units
Revision A
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.
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.
C H E C K P O IN T
Be sure to hook the clutch to the arm in the Paper Take-up Unit.
Figure 3-20. Paper Take-up Roller Removal
C H E C K P O IN T
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
EPL-N2700 Optional Units
Revision A
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.
Paper Take-up Roller Act Arm Link Arm Tension Spring
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 Unit, and remove 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.
Paper Empty Sensor 1 (PPS1)
Shoulder Screws LCC Paper Take-u Sensor (PPS0)
Paper Empty Sensor 2 (PPS2)
Paper Take-up Unit
Shoulder Screw
3.2.3.9 Paper Empty Sensor 2 (PPS2) Removal
1. Remove the Paper Take-up Unit. (Refer to Section 3.2.3.) 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.
Figure 3-21. Sensor Removal (LCC Paper Take-up Sensor, Paper Empty Sensor 1 and 2)
LCC Unit
Disassembly and Assembly of the LCC Unit
46
EPL-N2700 Optional Units
Revision A
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
EPL-N2700 Optional Units
Revision A
3.2.3.12 Side Cover 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
EPL-N2700 Optional Units
Revision A
3.2.3.13 Registration Clutch (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 timing 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
EPL-N2700 Optional Units
Revision A
C H E C K P O IN T
,, 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
EPL-N2700 Optional Units
Revision A
3.2.3.15 Registration Roller 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 three screws (4012) and two shoulder screws securing 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 pulley (14T) to the Feed Roller Shaft and remove the Feed Roller Shaft from the Paper Take-up Unit.
Figure 3-25. Registration Roller/Separate Roller/ Feed Roller Shaft Removal
LCC Unit
Disassembly and Assembly of the LCC Unit
51
EPL-N2700 Optional Units
Revision A
3. Remove four screws (4021) securing the rear cover to the 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.
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.
Figure 3-27. LCC Transport Motor Removal
Figure 3-26. Rear Cover Removal (1)
LCC Unit
Disassembly and Assembly of the LCC Unit
52
EPL-N2700 Optional Units
Revision A
3.2.4.2 LCC Set 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. 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 bracket for the sensor to the 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 bracket 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
EPL-N2700 Optional Units
Revision A
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 Motor 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.
C A U T IO N
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
EPL-N2700 Optional Units
Revision A
3.2.4.5 LCC Main Board 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 two screws (4020) securing the paper size set switch 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 Board 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
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 Roller with the Torque Limiter on it to 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
EPL-N2700 Optional Units
Revision A
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 shaft for the pulley (32T) to the bracket. 8. Sliding the pulley (32T) toward the bracket to remove the pin (0531) and remove the pulley (32T) and the torsion spring from the shaft. 9. Remove the timing belt from the pulley (32T).
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 bracket to the Paper Tray Unit, then remove the pulley (32T) and the bracket along with the timing belt.
Figure 3-33. Front Cover Removal
Figure 3-34. Timing Belt Removal
LCC Unit
Disassembly and Assembly of the LCC Unit
57
EPL-N2700 Optional Units
Revision A
C H E C K P O IN T
Be sure to install the timing belt to the pulley 20T and pulley 32T correctly as shown below;
C H E C K P O IN T
When assembling the torsion spring and the pulley 32T, make sure one end of the torsion spring is properly inserted into the fixing part in the holder.
LCC Unit
Disassembly and Assembly of the LCC Unit
58
EPL-N2700 Optional Units
Revision A
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.
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 for 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.
Figure 3-35. Lifter Driver Shaft Removal
LCC Unit
Disassembly and Assembly of the LCC Unit
59
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.
3.3.2 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.
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 Paper Take-up Roller 1 Paper Take-up Roller 2 Operations required Cleaning / Replacement Cleaning / Replacement Replacement Cycle 300,000 sheets 300,000 sheets 300,000 sheets 200,000 sheets 200,000 sheets 200,000 sheets 300,000 sheets
Roller with a Torque Limiter Cleaning / Replacement Feed Roller Separate Roller Torque Limiter Assembly Vertical Transport Roller Vertical Transport Roller (driven) Cleaning / Replacement Cleaning / Replacement Replacement Cleaning / Replacement Cleaning