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EPL-N3000
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Confidential
Revision S
tatus
Revision
Date of Issue
Description
A
Oct 31, 2003
First Release
B
Nov 21, 2003
Full-fledged revision
C
Feb 29, 2008
Revised Contents:
[All chapters]
•
Info
rmation on AcuLaser M4000N has been added.
11
13
Table of Contents
Main Page
Default Chapter
1
Service Manual
1
About this Manual
4
Manual Configuration
4
Symbols Used in this Manual
4
Mechanical Components
6
Power Supply
6
Safety Information
6
Laser Beam
7
Table of Contents
13
Chapter 1 Product Description
19
Product Specifications
20
Basic Specifications
20
Paper Specifications
25
Replacement Parts
28
Controller Specifications
29
List of Printer Messages
30
Operating Principles
33
Overview
34
Overview of the Electrophotographic Printing
34
Print Data Flow
37
Driving Force Trasmission Route
38
Main Unit
38
Option Feeder
41
Duplex Unit
42
Oct
42
Paper Transport
43
Paper Feeding Route
43
Paper Feeding Route Layout
44
Functions of Major Components
45
Various Sensors
45
Paper Cassette
46
Paper Feeder
48
Xero
49
Fuser
51
Paper Exit & Face up Tray
52
Drive
53
Electrical
54
Option Feeder
55
Duplex
56
Oct
57
Control
59
Paper Size Control
59
ROS Control
59
Fuser Control
60
Chapter 2 Operating Principles
60
Operating Principles of Electric Circuitry
61
Operation Overview of the Main Control Circuit Board
61
Chapter 3 Troubleshooting
63
Overview
64
Specified Tools
64
Procedure for Troubleshooting
64
Preliminary Checks
65
Precautions in Performing Work
65
Notes on Troubleshooting
66
Mechanical Controller Test Printing Function
67
Details of Error Messages and Solutions
68
Service Call Errors
70
Engine Errors
70
Controller Errors
70
Troubleshooting When There Is Error Display
72
NVRAM Error
73
ROS Error
73
Fuser Error
73
FAN Error
74
Main Motor Error
75
Engine Communication Error (Aculaser M4000N Only)
75
Cover Error
76
Paper Jam/Regi to Fuser
76
Paper Jam/Exit
78
Paper Jam/Tray to Regi
79
Paper Jam/Misfeed
81
Imaging Cartridge
82
Paper Size Error
83
No Tray/Tray 1, 2
83
No Tray/Tray
83
Paper Out/Tray 1,2
84
Paper Out/Tray
84
Tray Paper Low/Tray 2
85
Drum Life
85
Tray Paper Low/Tray
85
Fuser Life
86
Maintenance Unit Life (Aculaser M4000N Only)
86
No Tray/Tray 3, 4
87
Paper Out/Tray 3, 4
87
No Tray/Tray
87
Paper Out/Tray
87
Only Little Paper in Tray/Tray 3, 4
88
Only Little Paper in Tray/Tray
88
No Recognition of Option 550 Paper Feeder
89
Option Duplex Cover Error
90
Option Duplex Error
90
Paper Jam/Exit to Dup
91
Paper Jam/Dup to Regi
92
Paper Jam/Duplex Misfeed
92
Paper Size Error/Duplex
93
No Recognition of Option Duplex
93
Option OCT Cover Error
94
Option OCT Error
94
Paper Jam/Exit to OCT
95
Paper Jam/Oct
96
Paper Size Error/Oct
97
Full Stack Error/Oct
97
No Recognition of Option OCT
98
Engine Communication Error
98
CPU Error
99
Standard RAM Error
99
RAM Error (Slot 0)
100
ROM Checksum Error (Font)
100
ROM Checksum Error (Program)
101
Option ROM Error
101
EEPROM Error
102
Engine Initialization Error
102
Other Hardware Error
103
Software Error
103
Troubleshooting for Faulty Operation
104
Power Does Not Turn on
104
Keypad Operation Impossible
107
LCD/LED Malfunction
107
Other Printer Operation Fault
108
Face up Tray Error
108
Full Stack Error/500 Paper Exit
109
Troubleshooting for Individual Units
110
Lvps
111
Main Motor
112
Ros Assy
113
Fuser Assy
115
Sensor Regi
117
Sensor no Paper
118
Interlock S/W 24V
119
Interlock S/W 5V, Switch I/L Assy
120
Interlock4)
120
Interlock S/W 5V, Switch I/L Assy (Harness Assy Interlock4)
120
Interlock S/W Rear
121
Switch I/L Assy (Interlock S/W Front R)
121
Pwba Exit Motor
122
Motor Assy Exit
122
Clutch Regi
123
Clutch Assy Ph
124
Guide Tray Left
125
Hvps/Mcu
126
Electrical Noise
127
Motor Assy Exit
128
Sensor Face up Open
129
Sensor Full Stack
129
Pwba Feeder550
130
Pwba Feeder
130
Sensor no Paper
131
Sensor Low Paper
132
Opt Assy Size
133
Clutch Assy Ph
134
Clutch Pr-Regi
135
Pwba Duplex
136
Motor Duplex
136
Sensor Dup
137
Switch Duplex
138
Pwba Oct
139
Motor Assy Oct
139
Motor Assy Offset
140
Solenoid Assy Gate
140
S/W Rear Cover
141
Sensor Oct
142
Sensor Full Stack (on PWBA OCT)
143
Sensor Offset (on PWBA OCT)
143
Picture Image Trouble
144
Overview
144
Too Light Print (Weak Gradation)
145
Blank Print
146
Solid Black
147
White or Light Bands (Parallel with Paper Transport)
148
White or Light Bands (Perpendicular to Paper Transport)
149
Black Stripes (Parallel with Paper Transport)
150
Black Stripes (Perpendicular to Paper Transport)
151
Image Partial Missing (White Spots)
153
Black Spots
154
Ghost Image
155
Fog
156
Skew
157
Damaged Paper (Wrinkling)
158
Bad Fusing
159
Chapter 4 Disassembly and Assembly
160
Overview
161
Precautions
161
Precautions in Performing Work
162
Disassembly and Reassembly Procedure
163
Difference between EPL-N3000 and Aculaser M4000N in Disassembly/Assembly
164
Cover
167
Cover Rear
167
Cover Right
168
Cover Left
169
Cover Top, Control Panel
170
Cover Front
172
Switch I/L Assy
173
Paper Cassette
175
Roll Assy Retard
175
Rack Size
177
Gear Sector
181
Guide Assy End 150
183
Plate Assy Btm
185
Gear Lever Lock, Lever Btm Lock
188
Handle Extention 150
190
Paper Cassette
191
Roll Assy Retard
191
Rack Size
192
Gear Sector
196
Guide Assy End 550
198
Plate Assy Btm
200
Gear Lever Lock, Lever Btm Lock
203
Handle Extension 550
206
Guide Indicator 3
207
Guide Indicator 2
208
Low Ind Front
210
Paper Feeder
211
Feeder Assy
211
Roll Assy Nudger, Roll Assy Feed
213
Clutch Oneway Nudger
214
Roll Assy Gear Nudger
215
Roll Regi Rubber
217
Clutch Assy Ph, Clutch Regi
219
Sensor Regi
221
Sensor no Paper
222
Actuator no Paper
223
Paper Feeder
224
Feeder Assy
224
Roll Assy Nudger, Roll Assy Feed
226
Clutch Oneway Nudger
227
Roll Assy Gear Nudger
228
Clutch Assy Ph
230
Sensor no Paper
232
Guide Tray Right
234
Guide Tray Left
236
Actuator no Paper
238
Xero
239
Ros Assy
239
Duct Front, Fan Sub
241
Shield Plate Ros
243
Guide Cru Left
245
Interlock S/W 24V, Interlock S/W 5V
247
Lever Guide
249
Harness Assy Fuser
251
Fuser Assy
253
Btr Assy
254
Chute Transfr
255
Pwba Assy Ant
256
Guide Assy Cru R
257
Lever Link, Link Gear 3
259
Paper Exit
261
Cover Exit 500
261
Exit Assy
262
Chute up Exit, Chute Low Exit
263
Roll Exit
265
Motor Assy Exit
266
Sensor Face up Open
267
Sensor Full Stack
268
Sensor Full Stack (on PWBA OCT)
268
Actuator Full Stack
269
Cover Rear 500
270
Roll Fu
271
Lever Gate Fu
272
Lever Latch Right
273
Roll Pinch Fu, Spring Pinch Fu
274
Gate Fu
275
Gate Assy Exit
276
Frame & Drive
277
Motor Cover
277
Main Motor
279
Gear Assy Housing
281
Gear Assy Plate, Gear 9
283
Electrical
285
Shield Plate Lvps
285
Pwba Exit Motor
286
Lvps
287
Power Switch, Harness Assy Ac110V
289
Interlock S/W Rear
291
Fan Main
293
Shield Assy Ess
294
Shield Assy Window
295
Shield Plate Hvps
296
Guide Rail Type-B, Spring Type-B
297
Board Assy. Sub
298
Board Assy., Main
299
Hvps/Mcu
301
Board Assy, Memory
302
Option 550 Paper Feeder
303
Cover Right Plate
304
Cover Left Plate
305
Opt Assy Size
306
Drive Assy Opt Fdr
307
Motor Feeder
308
Sensor Low Paper
309
Pwba Feeder 550
310
Feeder Option
311
Roll Assy Nudger, Roll Assy Feed
313
Clutch Oneway Nudger
314
Roll Assy Gear Nudger
315
Roll Assy Turn
317
Clutch Assy Ph
318
Clutch Pr-Regi
319
Sensor no Paper
320
Roll Assy Retard
321
Rack Size
322
Gear Sector
326
Guide Assy End 550
328
Plate Assy Btm
330
Gear Lever Lock, Lever Btm Lock
333
Handle Extension 550
336
Guide Indicator 3
337
Guide Indicator 2
338
Low Ind Front
340
Spring Earth Top
341
Option Duplex
342
Hsg Upper Assy
343
Hsg Lower Dup
344
Cover Top
346
Pwba Duplex
347
Fan Duplex
349
Sensor Dup
350
Roll Dup
351
Cover Left
353
Cover Right
354
Motor Duplex
355
Switch Duplex
357
Cover Harness, Harness Assy Dup
359
Option OCT
360
Cover Rear
362
Tray Assy Oct
363
Cover Oct
364
Cover Front
366
Actuator Full Stack
367
Pwba Oct
368
Motor Assy Offset
370
Solenoid Assy Gate
371
Sensor Oct
372
Roll Oct Lower
374
Roll Oct Upper
376
Motor Assy Oct
378
Aculaser M4000N Unique Disassembly Procedures
379
COVER REAR (Aculaser M4000N)
379
COVER TOP, CONTROL PANEL (Aculaser M4000N)
380
FEEDER ASSY (Aculaser M4000N)
382
CLUTCH ASSY PH, CLUTCH REGI (Aculaser M4000N)
384
ROS ASSY (Aculaser M4000N)
386
MAIN MOTOR (Aculaser M4000N)
388
LVPS (Aculaser M4000N)
390
FAN MAIN (Aculaser M4000N)
392
COVER TOP (Aculaser M4000N)
393
COVER REAR DUP (Aculaser M4000N)
394
FAN DUPLEX (Aculaser M4000N)
395
Chapter 5 Adjustment
396
Adjustment Items
397
Adjustment
398
Reset Life Counter
398
Writing USB ID
399
Firmware Update
401
Chapter 6 Maintenance
404
Overview
405
Maintenance
406
Cleaning
407
Chapter 7 Appendix
408
Connectors
409
Connector P/J Locations of the Printer
409
Connector P/J Locations of the Optional Units
411
Wiring Diagrams and Signal Information
413
Notes on Use of Connection Wiring Diagrams
413
Overall Connection Wiring Diagram
415
Wiring and Signal Descriptions between Components
418
Control Panel Special Operations
428
Operation Method & Functions
428
Special Menu
429
Information Sheet
430
Status Sheet
430
Network Status Sheet (Aculaser M4000N Only)
432
Engine Status Sheet (Aculaser M4000N Only)
434
Print Log Report (Aculaser M4000N Only)
436
Exploded Diagrams
438
ASP List (Parts List)
468
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