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EPL-N4000
Page 270 (Tray Unit - Paper Stack)
Epson EPL-N4000 - Tray Unit - Paper Stack
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EPSON EPL-N4000/EPL-N4000+
Chapter
7
Appendix
Rev.B
256
7.3.4 Tray Unit - Paper Stack
Table 7-24.
Parts Name for Tr
ay-Unit Paper St
acker
Figure 7-28.
Tray Unit-
Paper Stack
No. in the Fi
gure
Unit / Parts Name
1
TRAY ASSEMBLY (with 2-18 and Tra
y
Unit-
End Gui
de)
2
PLATE BOTTOM
3
PAD BO
TTOM
4
PLATE TONGUE
5
SHAFT ASSEMBLY -TONGUE
6
BEARING
7
GUIDE ASSEMBLY -SIDE
8
LEVER
9S
H
A
F
T
10
SPRING
11
PLATE SIDE
12
ACTU
ATOR
13
LI
NK
14
S
PRIN
G TOR
SION
15
STOPPER L/F
16
HOUSING -TRAY
17
WASHER
18
WASHER - SIDE GUIDE
FRONT
2
3
7
8
9
10
E
E
11
14
12
17
17
13
5
4
6
PL2.2.1
PL2.2.2
15
16
s
s
s
E
E
s
s
s
s
s
s
1 (with2~18,PL2.2)
SER504FB
18
269
271
Table of Contents
Main Page
Default Chapter
4
About this Manual
4
Symbols Used in this Manual
4
Safety Information
5
Safety Precautions
5
Safety Components
7
Table of Contents
9
Product Description
15
Features
16
Changes from EPL-N4000 to EPL-N4000
19
Basic Specification
22
Controller Specification
22
Engine Specification
23
Paper Specification
24
Electrical Specification
26
Reliability, Durability and Maintainability
27
Safety Approval
29
Environmental Specification
30
Operating Environment(Including Optional Parts)
30
Storage Environment(Including Optional Parts)
30
Altitude
30
Vibration Tolerance
30
External Dimension and Weight
31
Other Specifications
32
Consumables
32
Configuration
32
Host Interface Specification
33
Parallel Interface
33
Ethernet Interface Specification
34
Type-B Interface
36
Operation
37
Control Panel
37
Status Sheet
40
Panel Setting Mode
40
One Touch Setting Mode
40
List of Setting Items
41
Description of Setting Item and Model-Dependent
49
Printing Menu
50
User Setting Items Not Included in the Setting Menu
57
Special Operation Functions
58
Rev.b
58
Rev.b
59
Maintenance Mode
60
Operation
60
Engine Status Sheet
61
Initialization Process
65
Operating Principles
66
Mechanical Drive
67
Overview
67
Mechanical Drive Component
67
Offset Motor
68
Main Motor and Main Drive Assembly
68
Lift up Motor 1 and Lift up Motor 2
69
Motor Control
69
Paper Path
70
Paper Path Components
71
Paper Feed, Transport and Paper Eject Drive
73
Mechanical Drive for Paper Fed from the MSI
73
Mechanical Drive for Paper Fed from Tray1
74
Mechanical Drive for Paper Fed from Tray2
74
Mechanical Drive for Registration
75
Mechanical Drive for the Drum and BTR
75
Mechanical Drive for the Fuser
76
Mechanical Drive for Exit Drive
76
Mechanical Drive for Offset
77
Paper Path Component Control
77
ROS (Raster Output Scanner)
78
ROS Components
78
Housed Inside the ROS Assembly
78
ROS Operation
79
Image Resolution
80
ROS Control
80
Print Process
82
Charge
83
Exposure
84
Develop
85
Transfer
86
Detack
86
Fusing
87
Clean
87
Print Sequence
88
Operating Principles for Power Supply Circuit
90
Power Supply Circuit
90
Power Supply Components
90
Printer Control
93
Printer Control Components
95
Machine Control Unit PWB (MCU PWB)
95
Components Attached to or Associated with the MCU PWB
95
Function of the MCU During Printer Control
99
Controller
101
Functions of the Controller
101
Specification on the Controller
101
Troubleshooting
104
Service Flowchart
104
FIP Flowchart
105
How to Use the FIP Flowchart
105
How to Follow a FIP
106
General Notes on Using Fips
106
Printer Message
108
Printer Message
110
Service Req. Error
113
Engine Error
113
Controller Error
113
Operation When Service Req. Error Occurs
114
Printer Performance Problems(Not Indicated by Error Codes)
115
Inoperative Printer
115
Erratic Operation
117
Inoperative Control Panel
118
Rev.b
118
Inoperative Main Drive Assembly
119
Inoperative Paper Feed Drive
121
J1-2 Is Not Displayed When the EP Cartridge Is out of Toner
122
Inoperative Interlock Switch
122
Inoperative Offset
123
Image Quality Fips
124
Light(Undertoned) Prints
125
Blank White
127
Black Prints
128
Vertical Band Deletions
130
Horizontal Band Deletions
131
Vertical Streaks
132
Horizontal Streaks
133
Spot Deletions
135
Spots
136
Residual Image or Ghosting
138
Background
139
Skewed Image
141
Damaged Prints
142
Unfused Image or Image Easily Rubbed off
143
Image Not Registered Correctly
143
Secondary Fips
144
Disassembly and Assembly
146
Overview
147
Cautions before Starting
147
Tools
147
Notations in the Manual
147
Procedures for Disassembling
149
Fuser Full Cover
152
Removal
152
Installation
152
Top Cover Assembly
153
Removal
153
Installation
153
Rear Cover Assembly
154
Removal
154
Installation
154
Right Cover
155
Removal
155
Installation
155
Control Panel
156
Removal
156
Installation
156
Rear Cover 1TM
157
Removal
157
Installation
157
Tray 1 Lift up Motor
158
Removal
158
Installation
158
Tray 1 Feed Clutch
159
Removal
159
Installation
159
Feed, Nudger, and Retard Rolls
160
Removal
160
Installation
160
Tray1 Take Away Roll Assembly
161
Removal
161
Installation
162
Tray 1 Feeder Assembly
164
Removal
164
Installation
165
Support Assembly Spring
166
Removal
166
Installation
166
Tray1 Retard Assembly
167
Removal
167
Installation
167
Tray 1&2 Front Chute Assemblies
169
Removal
169
Installation
169
Tray 1 & Tray 2 Level Sensors
170
Removal
170
Installation
170
Tray1 & Tray 2 no Paper Sensors
171
Removal
171
Installation
171
Tray 1 & Tray 2 Paper Size Sensors
172
Removal
172
Installation
172
Tray 2 Feed Clutch
173
Removal
173
Installation
173
Tray 2 Feeder Assembly
174
Removal
174
Installation
175
Tray2 Take Away Roll Assembly
176
Removal
176
Installation
176
Tray 2 Retard Assembly
177
Removal
177
Installation
177
MSI Feeder Assembly (Manual Feeder)
178
Removal
178
Installation
178
MSI Tray Assembly
178
Installation
179
MSI Support Assembly
180
Removal
180
Installation
180
MSI Size Sensor Assembly
181
Removal
181
Installation
182
MSI Feed Clutch
183
Removal
183
Installation
185
MSI Feed Roll
186
Removal
186
Installation
186
MSI Nudger Roll
187
Removal
187
Installation
187
MSI Nudger Roll Assembly
188
Removal
188
Installation
188
MSI Pad
189
Removal
189
Installation
189
MSI Friction Clutch
190
Removal
190
Installation
190
MSI No-Paper Sensor Assembly
191
Removal
191
Installation
191
L/H Low Cover Assembly
192
Removal
192
Installation
193
Left Lower Cover Assembly
194
Removal
194
Installation
194
Left Lower Cover Pinch Roll Assembly
195
Removal
195
Installation
195
Left Lower Cover Interlock Switch
196
Removal
196
Installation
196
Tray 2 Take Away Sensor
197
Removal
197
Installation
197
Registration Clutch
198
Removal
198
Installation
198
Left Upper Cover Assembly
199
Removal
199
Installation
200
Left Chute Assembly
201
Removal
201
Installation
201
Registration Chute Assembly
202
Removal
202
Installation
202
Registration Roll Assembly
203
Removal
203
Installation
203
Registration Sensor
204
Installation
204
ROS Assembly
205
Removal
205
Installation
205
EP Cartridge (Toner Cartridge)
206
Removal
206
Installation
206
BTR Assembly (Transfer Roller Unit)
208
Removal
208
Installation
208
Toner Sensor
209
Removal
209
Installation
209
CRU Interlock Switch
210
Removal
210
Installation
210
Fuser Assembly
211
Removal
211
Installation
211
Fuser Drive Assembly
212
Removal
212
Installation
213
Offset/Exit Assembly
214
Removal
214
Installation
214
Exit Drive Assembly
215
Removal
215
Installation
215
Exit Gate Solenoid
216
Removal
216
Installation
216
Offset Motor
217
Removal
217
Installation
217
Face up Exit Sensor
218
Removal
218
Installation
218
Offset Roller Assembly
219
Removal
219
Installation
219
Lower Chute Assembly
220
Removal
220
Installation
220
Upper Chute Assembly
221
Removal
221
Installation
221
Exit Roll Assembly
222
Removal
222
Installation
222
Full Stack Sensor
223
Removal
223
Installation
223
Inverter Clutches
224
Removal
224
Installation
224
Main Drive Assembly
225
Removal
225
Installation
227
Main Power Switch
228
Removal
228
Installation
228
Low Voltage Power Supply(LVPS) Assembly
229
Removal
229
Installation
229
AC Driver PWB
230
Removal
230
Installation
230
High Voltage Power Supply(HVPS) Assembly
231
Removal
231
Installation
231
Noise Filter PWB
232
Removal
232
Installation
232
Left Cover Interlock Switch Assembly
233
Removal
233
Installation
233
Mcu(Machine Control Unit) PWB
234
Removal
234
Installation
235
Controller Board
236
Removal
236
Rev.b
236
ESS Box
237
Removal
237
Installation
237
Adjustment
238
Maintenance
240
Maintenance
241
Exchange Units and Parts by User
241
Appendix
242
Connector Pin Diagram
243
Pin Alighnment
243
How to Use P/J Location Table and Map
245
Signal Information
253
Board Component Layout
265
C262 Main Board Component
265
Parts List
267
Top Cover Assembly
267
Front Cover
268
Rear, Left and Right Cover
269
Tray Unit - Paper Stack
270
Tray Unit - End Guide
271
Tray Interface -Tray 1
272
Paper Pick up - Tray 1
273
Retard and Take Away-Tray 1
274
Tray Interface-Tray 2
275
Paper Pick Up-Tray 2
276
Retard and Take Away- Tray 2
277
Feed Drive Transmission
278
Multi Sheet Inserter and Msi/Duplex Support
279
MSI Feeder Assembly
280
Upper Feeder Assembly
281
MSI Tray Assembly
282
Tray 1 Frame and Left Cover
283
Tray 2 Frame and Left Cover
284
Registration
285
Left Upper Cover Assembly
286
Transport Chute Assembly
287
ROS Assembly
288
Xerography and Development
289
Fuser Assembly
290
Exit Lower Chute
291
Offset Roller
292
Exit Upper Chute Assembly
293
Exit Drive Assembly
294
Main Drive Assembly
295
Fuser Drive Assembly
296
Power Inlet and LVPS
297
HVPS and MCU PWB
298
Controller Assembly
299
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