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HL-5280DW
Brother HL-5280DW Service Manual
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HL-5240/5250DN/5270DN/5280DW
SERV
ICE MA
NUAL
Confidenti
al
3-51
(4)
W
ipe the sc
anner window wi
th a dry, lint-free c
loth.
Fig. 3-88
(5)
Put the dr
um unit and toner
cartridge ass
em
bly
back
in the printer
.
(6)
Clos
e the front c
over.
(7)
Plug the pr
inter back
in, and then turn on the power switch.
111
113
Table of Contents
Default Chapter
1
Service Manual
1
Table of Contents
4
Regulation
10
Safety Information
12
Chapter 1 General
14
Features
14
Parts Names and Functions
16
2.1 Overview
16
Front View
17
Rear View
17
2.2 Control Panel
18
Specifications
20
3.1 Printing
20
3.2 Functions
21
Electronics and Mechanics
24
Service Information
25
Network Connectivity
25
Paper
27
Paper Handling
27
Media Specifications
27
Printable Area
30
Pcl5E/Epson/Ibm Emulation
30
PCL6 Emulation
33
Print Speeds with Various Settings
34
Toner Cartridge Weight Information
35
Serial No. Descriptions
36
Chapter 2 Theory of Operation
38
Overall
38
General Block Diagram
39
Electronics
39
Main PCB Block Diagram
40
Main PCB
41
Cpu
41
USB Interface (2.0 High Speed)
41
IEEE1284 Interface
41
Network Interface
41
Rom
41
Sdram
41
Optional RAM
41
Eeprom
41
Reset Circuit
42
2.3.10 Panel I/O
42
2.3.11 Video I/O
42
2.3.12 Power Supply
42
2.3.13 Wireless LAN
42
Power Supply
43
Low-Voltage Power Supply
43
High-Voltage Power Supply
43
Mechanics
44
Overview of Printing Mechanism
44
Overview of Gear
45
Paper Transfer
46
Paper Supply
46
Paper Registration
48
Drum Unit
48
Developing
49
Fixing Stage
50
Paper Eject
51
Duplex Printing (HL-5250DN/5270DN/5280DW)
52
Paper Feeding from the MP Tray
53
LT Tray
53
Toner Cartridge
54
Toner Life End Mode
54
New Toner Detection Mechanism
56
Counter Reset During Indication of "Toner Life End
57
Print Process
58
Charging
58
Exposure Stage
58
Transfer
59
Sensors
60
Heat Control of Fuser Unit
61
Chapter 3 Periodic Maintenance
62
Consumable Parts
62
Toner Cartridge
62
Drum Unit
68
Periodical Replacement Parts
73
Procedures to Replace Periodical Replacement Parts
74
2.2.1 Fuser Unit and Laser Unit
74
Paper Feeding Kit for Tray 1, 2, 3
96
2.2.3 Paper Feeding Kit for MP Tray
104
Periodical Cleaning
110
Cleaning the Inside of the Printer
110
Cleaning the Corona Wire
113
Chapter 4 Troubleshooting
115
Introduction
115
Initial Check
115
Warnings for Maintenance Work
116
Identify the Problem
117
Error Message
118
Operator Calls
118
Operator Calls for HL-5240/5250DN
118
Operator Calls for HL-5270DN/5280DW
120
Service Calls
122
Service Calls for HL-5240/5250DN
122
Service Calls for HL-5270DN/5280DW
124
Errors List
124
Error Message in the Status Monitor
126
Error Message Printouts
128
Paper Problems
129
Paper Loading Problems
129
Paper Jams
130
Paper Jams and How to Clear Them for HL-5240/5250DN
130
Paper Jams and How to Clear Them for HL-5270DN/5280DW
132
Causes & Countermeasures
140
Paper Feeding Problems
141
Software Setting Problems
143
Malfunctions
146
Image Defects
152
Image Defect Examples
152
Diameter of Rollers
152
Troubleshooting Image Defect
153
Location of Grounding Contacts
171
Drum Unit
171
Printer Body & Paper Tray
171
Incorrect Printout
172
Network Problem
174
Installation Problem
174
Printing Problem
177
Protocol-Specific Troubleshooting
179
Wireless Network Troubleshooting
180
Chapter 5 Disassembly and Re-Assembly
181
Safety Precautions
181
Packing
182
Screw Torque List
183
Harness Routing
184
Pe Eg Sensor Assy
185
Interlock Sw Assy
185
Toner Sensor Pcb Unit Assy
186
Mp Solenoid Assy
187
T1 Solenoid Assy
187
Relay Front Pcb Assy
188
Lubrication
193
Disassembly Flow
194
Disassembly Procedure
195
AC Cord
195
Drum/Toner ASSY
195
DX Feed ASSY
196
Paper Tray
196
Back Cover
200
DX Blank Cover (for HL-5240)
200
Outer Chute ASSY
201
Fuser Unit
203
Tray MP ASSY
205
MP Tray Cover Assy/Process Cover ASSY
206
Access Cover/Side Cover L
208
Main PCB
209
Gear Plate Calking ASSY Al/Develop Joint/Main Motor ASSY al
210
Main Shield Plate ASSY
212
Relay Rear PCB Assy/Connector
214
Relay Front PCB ASSY
216
MP Solenoid ASSY
217
Drive Release Link
218
T1 Solenoid ASSY
219
Toner Sensor PCB
219
Register Solenoid ASSY
220
Ejector Solenoid ASSY (for HL-5250DN/5270DN/5280DW)
220
Interlock SW ASSY
221
New Toner Actuator
221
Gear 17/20/23
222
Side Cover R
224
Top Cover Printed ASSY (for HL-5240/5250DN)
225
7.27-2 Panel PCB ASSY
225
7.27-3 SW Key A/B
226
7.27-4 Inner Chute/Pinch Roller Holder
227
Top Cover 2 Printed ASSY (for HL-5270DN/5280DW)
228
7.28-2 Inner Chute/Pinch Roller Holder
229
7.28-3 Panel PCB ASSY
230
7.28-4 SW Key A/B/C /Set Key Printed ASSY
231
7.28-5 LCD Holder ASSY
233
Filter
235
Laser Unit
236
PS PCB Unit
237
High-Voltage PS PCB ASSY
240
Toner LED PCB Unit ASSY
242
Fan Motor 60 Unit
243
Fan Motor 60 Unit LV
243
Frame L
244
Frame R
244
MP Unit
245
Regist Actuator Rear/Regist Actuator Spring
250
Regist Actuator Front/Regist Actuator Spring
252
Roller Holder ASSY
253
PE Actuator/Edge Actuator/Edge Actuator Spring
254
Wireless PCB (PCB T60H929.00 ASSY 02) (for HL-5280DW)
257
Disassembly Procedure (Lt-5300)
258
Paper Tray
258
LT Front Cover ASSY
261
LT Rear Cover
262
LT Side Cover L
262
LT Side Cover R
263
Lt Pcb Assy
264
Connector: 55533-1219
265
Connector: 54702-1219
265
Gear 24LT
266
Collar 6
267
LT Solenoid ASSY
271
Roller Holder ASSY
272
Edge Actuator Spring
273
PE Actuator, Edge Actuator
274
LT Sensor PCB ASSY
275
Required after Parts Replacement
277
Chapter 6 Adjustments and Updating of Settings, Required after Parts Replacement
280
If You Replace the Periodical Maintenance Parts
286
Chapter 7 Service Support Software
289
Control Panel
289
Users Mode
289
User Maintenance Mode
291
Service Mode
293
Hidden Function Menus
303
Professional Menu
304
Reset Parts Life Menu
311
Service Menu
312
Nvram Default Value
317
Appendix
319
Main Pcb Circuit Diagram
320
Low-Voltage Power Supply Pcb Circuit Diagram (100V, 200V
325
Point to Point Connection Diagram
328
Gear Layout Drawing
329
Readmarks
331
Location of the Ferrite Core
332
Hl-5240L
335
Other manuals for Brother HL-5280DW
Technical Reference Guide
517 pages
Technical Reference Manual
450 pages
Brochure & Specs
4 pages
Quick Setup Guide
56 pages
4
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Brother HL-5280DW Specifications
General
Brand
Brother
Model
HL-5280DW
Category
Printer
Language
English
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