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惠普M276彩色激光打印机维修手册故障诊断拆装图解
发布时间:2018-06-10 19:00   浏览次数: 次  
惠普M276彩色激光打印机维修手册包含拆装手册:备件拆卸和更换以及备件图表;故障诊断手册:工作原理介绍和故障诊断与排除,包括维修模式的进入和使用等。文中给出了手册的获取方法
M276打印机维修手册
惠普M276彩色激光打印机维修手册在以下地址获取:
https://item.taobao.com/item.htm?id=559963775719

故障诊断与排除手册
contents
1 Theory of operation ....... 1
工作原因介绍
Basic operation ... 2
Major product systems ..... 2
Product components ........ 3
Sequence of operation ..... 4
Engine control system ... 5
DC controller 6
Low-voltage power supply 7
High-voltage power supply ........ 8
Laser/scanner system ... 9
Laser failure detection ...... 9
Image-formation system ........ 10
Image-formation process 10
Latent-image formation stage ... 11
Step 1: primary charging .. 12
Step 2: laser-beam exposure ...... 12
Developing stage . 12
Step 3: development 13
Transfer stage ...... 14
Step 4: primary transfer .... 14
Step 5: secondary transfer . 14
Step 6: separation from the ITB ... 15
Fusing stage ........ 15
Step 7: fusing 15
ITB cleaning stage 16
Step 8: ITB cleaning 16
Drum cleaning stage ...... 17
Step 9: drum cleaning ...... 17
Pickup-and-feed system ........ 18
Jam detection ...... 19
Scanner system (base models) ....... 20
Scanner power-on sequence of events ........ 20
ENWW v
Copy or scan-to-computer sequence of events ....... 21
Fax functions and operation (fax models only) ... 22
Computer and network security features ...... 22
PSTN operation ... 22
Receive faxes when you hear fax tones ....... 22
Distinctive ring function .. 23
Fax by using Voice over IP services ... 23
The fax subsystem 24
Fax card in the fax subsystem .. 24
Safety isolation ....... 24
Safety-protection circuitry .. 25
Data path ...... 25
Hook state ..... 25
Downstream device detection ..... 26
Hook switch control . 26
Ring detect .... 26
Line current control .. 26
Billing- (metering-) tone filters ...... 26
Fax page storage in flash memory .... 26
Stored fax pages ..... 27
Advantages of flash memory storage .... 27
USB Flash Drive 28
2 Solve problems ... 29
故障诊断与排除
Solve problems checklist ...... 30
Menu map ....... 32
Troubleshooting process ....... 32
Pre-troubleshooting checklist .... 32
Power-on checks .. 34
Tools for troubleshooting ...... 35
Component diagnostics .. 35
LED diagnostics ....... 35
Network LEDs ... 35
Control panel LEDs ..... 36
Control-panel diagnostics .. 37
Engine Diagnostics .. 37
Engine test ........ 37
Diagrams ... 38
Plug/jack locations .. 38
DC controller PCA ... 39
Locations of major components ... 41
vi ENWW
General timing charts ....... 43
General circuit diagram .... 44
Internal print-quality test pages . 44
Interpret the Print Quality Page .... 44
Print a cleaning page ....... 45
Print a cleaning page . 45
Configuration page . 46
Print a configuration page .... 46
Print-quality troubleshooting tools ...... 46
Repetitive image defects .... 46
Calibrate the product to align the colors 47
Control panel menus ...... 48
Setup Menu ... 48
HP Web Services ....... 48
Reports menu .... 49
Self Diagnostics menu . 50
Fax Setup menu 50
System Setup menu ..... 53
Service menu .... 57
Network Setup menu .. 59
Quick Forms menu ..... 60
Function specific menus ..... 61
USB Flash Drive 61
Fax Menu 61
Copy Menu ...... 63
Scan Menu ....... 65
Apps ...... 66
Interpret control panel messages ....... 67
Control panel message types ...... 67
Control panel messages .... 67
10.X00Y Supply Error . 67
49 Error, Turn off then on ..... 68
50.x Fuser Error 68
51.XX Error ...... 68
54.XX Error ...... 68
55.X Error ........ 69
57 Fan Error, Turn off then on ........ 69
59.X Error ........ 69
79 Error Turn off then on ...... 70
Black Cartridge Low ... 70
Black in wrong position ........ 70
ENWW vii
Black Very Low . 70
Cleaning . 71
Cyan Cartridge Low ... 71
Cyan in wrong position ........ 71
Cyan Very Low . 71
Device error, press OK ........ 72
Door open ........ 72
Genuine HP supply installed . 72
Incompatible <color> .. 72
Incorrect supplies ....... 72
Install <color> cartridge ....... 73
Invalid driver Press [OK] ...... 73
Jam in Tray 1, Clear jam and then press OK ..... 73
Load tray 1 Press [OK] for available media ....... 73
Load Tray 1 <TYPE> <SIZE>, Press OK to use available media ....... 73
Load Tray 1, <PLAIN> <SIZE> / Cleaning mode, OK to start 73
Magenta Cartridge Low ....... 74
Magenta in wrong position .. 74
Magenta Very Low ..... 74
Manual Duplex Load Tray 1, Press OK .... 74
Memory is low. Press OK. .... 75
Misprint, Press OK ...... 75
Print failure, press OK. If error repeats, turn off then on. ........ 75
Rear door open . 75
Remove shipping lock from <color> cartridge .... 76
Remove shipping locks from cartridges .... 76
Replace <color> ........ 76
Supplies low ..... 76
Unexpected size in tray 1 Load <size> Press [OK] ...... 76
Unsupported <color> Press [OK] to continue ...... 77
Used <color> in use ... 77
Used <color> installed, to accept press OK ....... 77
Used supplies in use ... 77
Yellow Cartridge Low . 77
Yellow in wrong position ...... 78
Yellow Very Low ........ 78
Event-log messages ....... 79
Clear jams ....... 85
Jam locations ....... 85
Clear jams from the document feeder 86
Clear jams in the paper input tray ..... 87
viii ENWW
Clear jams from the output bin . 89
Clear jams from the rear door .. 89
Solve paper-handling problems ...... 91
The product picks up multiple sheets of paper ....... 91
The product does not pick up paper .. 91
Solve image quality problems ........ 92
Use the correct paper type setting in the printer driver .... 92
Change the paper type setting for Windows ... 92
Change the paper type setting for Mac . 92
Adjust color settings in the printer driver ...... 93
Change the color theme for a print job . 93
Change the color options .. 94
Use paper that meets HP specifications ....... 94
Print a cleaning page .... 95
Calibrate the product to align the colors ..... 95
Check the toner cartridges ....... 96
Print the Supplies Status page ..... 96
Inspect the print cartridge for damage .. 96
Repeating defects .... 97
Use the printer driver that best meets your printing needs 97
Solve performance problems 99
Factors affecting print performance ... 99
Print speeds . 100
The product does not print or it prints slowly ....... 101
The product does not print ........ 101
The product prints slowly . 102
Solve product connectivity problems ...... 103
Solve direct-connect problems 103
Solve network problems ........ 103
Poor physical connection . 103
The computer is using the incorrect IP address for the product .... 103
The computer is unable to communicate with the product . 104
The product is using incorrect link and duplex settings for the network . 104
New software programs might be causing compatibility problems ....... 104
The computer or workstation might be set up incorrectly ... 104
The product is disabled, or other network settings are incorrect .. 104
Solve wireless network problems ..... 105
Wireless connectivity checklist .. 105
The control panel displays the message: The wireless feature on this product
has been turned off ........ 106
The product does not print after the wireless configuration completes ... 106
ENWW ix
The product does not print, and the computer has a third-party firewall
installed ...... 106
The wireless connection does not work after moving the wireless router or
product ....... 106
Cannot connect more computers to the wireless product ... 107
The wireless product loses communication when connected to a VPN .. 107
The network does not appear in the wireless networks list 107
The wireless network is not functioning 108
Service mode functions ...... 109
Secondary service menu ....... 109
Open the secondary service menu ...... 109
Secondary service menu structure ....... 109
Product resets .... 110
Restore the factory-set defaults .. 111
NVRAM initialization ...... 111
Solve fax problems ... 112
Fax troubleshooting checklist . 112
Solve problems receiving faxes ....... 114
The fax does not respond 114
The fax has a dedicated phone line ....... 114
An answering machine is connected to the product ... 114
A telephone handset is connected to the product ....... 115
The Answer Mode setting is set to the Manual setting . 115
Voice mail is available on the fax line .... 115
The product is connected to a DSL phone service ...... 116
The product uses a fax over IP or VoIP phone service . 116
An error message displays on the control panel ..... 117
The No fax detected. message displays . 117
The Communication error. message displays ... 117
The Fax storage is full. message displays ........ 118
The Fax is busy. message displays ........ 118
A fax is received but does not print .... 119
The Private Receive feature is on .. 119
Sender receives a busy signal ... 119
A handset is connected to the product .... 119
A phone line splitter is being used 119
No dial tone 119
Fax cuts off or prints on two pages ..... 120
Solve problems sending faxes 120
An error message displays on the control panel ..... 121
The Communication error. message displays ... 121
x ENWW
No dial tone. .. 121
The Fax is busy. message displays ........ 122
The No fax answer. message displays ... 122
Document feeder paper jam ........ 123
The Fax storage is full. message displays ........ 123
Scanner error . 123
The control panel displays a Ready message with no attempt to send the fax . 124
The control panel displays the message "Storing page 1" and does not
progress beyond that message .. 124
Faxes can be received, but not sent .... 124
Unable to use fax functions from the control panel .. 125
Unable to use speed dials ........ 125
Unable to use group dials ........ 125
Receive a recorded error message from the phone company when trying to
send a fax ... 126
Unable to send a fax when a phone is connected to the product 126
Solve fax performance problems ..... 127
Faxes are sending slowly 127
Fax quality is poor 128
Solve DSL problems ..... 128
Cannot send or receive a fax on a PBX line .. 128
Product updates ....... 128
Appendix A Service and support .... 129
Hewlett-Packard limited warranty statement ..... 130
HP's Premium Protection Warranty: LaserJet print cartridge limited warranty statement 132
Data stored on the print cartridge . 133
End User License Agreement ........ 134
OpenSSL ........ 136
Customer support ..... 136
Repack the product .. 137
Appendix B Product specifications .. 139
Physical specifications ....... 140
Power consumption, electrical specifications, and acoustic emissions ...... 140
Environmental specifications ........ 140
Appendix C Regulatory information 141
FCC regulations ....... 142
Environmental product stewardship program ... 143
Protecting the environment ..... 143
ENWW xi
Ozone production ....... 143
Power consumption ..... 143
Paper use . 143
Plastics ..... 143
HP LaserJet print supplies ...... 143
Return and recycling instructions ..... 144
United States and Puerto Rico ... 144
Multiple returns (more than one cartridge) ....... 144
Single returns .. 144
Shipping ........ 144
Non-U.S. returns ... 145
Paper ...... 145
Material restrictions ..... 145
Disposal of waste equipment by users in private households in the European Union ...... 146
Chemical substances ... 146
Material Safety Data Sheet (MSDS) . 146
For more information ... 146
Declaration of conformity ... 147
Declaration of conformity (wireless model) ...... 149
Certificate of Volatility ....... 151
Safety statements ..... 152
Laser safety ....... 152
Canadian DOC regulations ... 152
VCCI statement (Japan) 152
Power cord instructions 152
Power cord statement (Japan) 152
EMC statement (Korea) 153
Laser statement for Finland .... 153
GS statement (Germany) ....... 153
Substances Table (China) ...... 154
Restriction on Hazardous Substances statement (Turkey) 154
Additional statements for telecom (fax) products ........ 155
EU Statement for Telecom Operation ........ 155
New Zealand Telecom Statements ... 155
Additional FCC statement for telecom products (US) ..... 155
Telephone Consumer Protection Act (US) ... 156
Industry Canada CS-03 requirements ....... 156
Additional statements for wireless products ...... 158
FCC compliance statement—United States . 158
Australia statement ...... 158
Brazil ANATEL statement ....... 158
xii ENWW
Canadian statements ... 158
European Union regulatory notice ... 158
Notice for use in France ........ 159
Notice for use in Russia ........ 159
Korean statement ........ 159
Taiwan statement ........ 160
机器拆卸与备件更换手册
Table of contents
1 Removal and replacement ...... 1
备件拆卸与更换
Removal and replacement strategy ... 2
Introduction .. 2
Removal and replacement strategy ...... 2
Electrostatic discharge ..... 2
Required tools ........ 3
Types of screws ..... 4
Service approach 5
Before performing service 5
After performing service ... 6
Post-service tests ..... 6
Test 1 (print-quality test) ....... 6
Test 2 (copy-quality test) ...... 6
Test 3 (fax-quality test) ........ 7
Parts removal order 8
Removal and replacement procedures ....... 9
Rollers 9
Pick roller ........ 9
Separation roller ..... 11
Transfer roller 13
Toner-cartridge drawer .. 15
Covers ....... 17
Right cover .... 17
Left cover ...... 20
Rear right cover ...... 22
Document feeder and scanner assembly 23
Rear-upper cover ..... 25
Rear door and rear-lower cover .. 25
Control panel 29
Upper cover .. 31
USB cover and USB PCA ... 33
Front-door and front-cover assembly ..... 36
ENWW v
Main assemblies .. 39
Paper-guide assembly ....... 39
Driver PCA .... 40
DC controller PCA ... 45
Special consideration . 45
Remove the DC controller PCA ....... 45
Wireless PCA (wireless models only) .... 47
Fax PCA ....... 48
Formatter PCA and support bracket ...... 48
Special considerations 48
Remove the formatter PCA and support bracket .. 49
Main motor ... 51
Intermediate transfer belt (ITB) ..... 52
Remove the ITB . 52
Reinstall the ITB . 54
High-voltage power supply 56
Low-voltage power supply . 59
Fuser power supply . 61
Fuser ... 64
Fan ..... 66
Document feeder components .. 67
Document feeder separation pad 67
Document feeder cover ..... 71
Document feeder pick arm assembly ..... 73
Document feeder core assembly .. 75
Post scan pinch rollers ...... 77
Document feeder base assembly . 78
Document feeder floating hinges . 81
2 Parts and diagrams ..... 83
备件图表
Order parts by authorized service providers ...... 84
Order replacement parts 84
Related documentation and software . 84
Supplies part numbers ... 84
Service parts ....... 84
Customer self repair parts ....... 85
Whole-unit replacement part numbers 85
How to use the parts lists and diagrams ... 86
Assembly locations ..... 87
Base product ....... 87
Covers, panels, and doors ... 90
vi ENWW
Internal assemblies ..... 92
Scanner and document feeder (ADF) main assemblies ........ 100
Document feeder internal components ... 102
Alphabetical parts list ........ 104
Numerical parts list .. 107
Index . 111
ENWW vii
viii ENWW
List of tables
Table 1-1 Common fasteners ..... 4
Table 2-1 Order parts, accessories, and supplies ... 84
Table 2-2 Related documentation and software ..... 84
Table 2-3 Supplies part numbers ........ 84
Table 2-4 Service parts ... 84
Table 2-5 Customer replaceable units (CRU) kit part numbers .... 85
Table 2-6 Whole-unit replacement part numbers .... 85
Table 2-7 Assembly locations ... 87
Table 2-8 Covers, panels, and doors .. 91
Table 2-9 Internal components (1 of 4) ........ 93
Table 2-10 Internal components (2 of 4) ...... 95
Table 2-11 Internal components (3 of 4) ...... 97
Table 2-12 Internal components (4 of 4) ...... 99
Table 2-13 Scanner and document feeder main assemblies .... 101
Table 2-14 Document feeder assembly parts ....... 103
Table 2-15 Alphabetical parts list .... 104
Table 2-16 Numerical parts list ........ 107
ENWW ix
x ENWW
List of figures
Figure 1-1 Phillips and Pozidriv screwdriver comparison .... 3
Figure 1-2 Parts-removal tree ...... 8
Figure 1-3 Remove the pick roller ....... 10
Figure 1-4 Remove the separation roller (1 of 2) .... 11
Figure 1-5 Remove the separation roller (2 of 2) .... 12
Figure 1-6 Remove the transfer roller (1 of 3) ........ 13
Figure 1-7 Remove the transfer roller (2 of 3) ........ 13
Figure 1-8 Remove the transfer roller (3 of 3) ........ 14
Figure 1-9 Remove the toner-cartridge drawer (1 of 4) ..... 15
Figure 1-10 Remove the toner-cartridge drawer (2 of 4) ... 15
Figure 1-11 Remove the toner-cartridge drawer (3 of 4) ... 16
Figure 1-12 Remove the toner-cartridge drawer (4 of 4) ... 16
Figure 1-13 Remove the right cover (1 of 5) . 17
Figure 1-14 Remove the right cover (2 of 5) . 18
Figure 1-15 Remove the right cover (3 of 5) . 18
Figure 1-16 Remove the right cover (4 of 5) . 19
Figure 1-17 Remove the right cover (5 of 5) . 19
Figure 1-18 Remove the left cover (1 of 5) ... 20
Figure 1-19 Remove the left cover (2 of 5) ... 21
Figure 1-20 Remove the left cover (3 of 5) ... 21
Figure 1-21 Remove the left cover (4 of 5) ... 21
Figure 1-22 Remove the left cover (5 of 5) ... 22
Figure 1-23 Remove the rear right cover ...... 22
Figure 1-24 Remove the document feeder and scanner assembly (1 of 3) ..... 23
Figure 1-25 Remove the document feeder and scanner assembly (2 of 3) ..... 23
Figure 1-26 Remove the document feeder and scanner assembly (3 of 3) ..... 24
Figure 1-27 Remove the rear-upper cover .... 25
Figure 1-28 Remove the rear door and rear-lower cover (1 of 5) ........ 26
Figure 1-29 Remove the rear door and rear-lower cover (2 of 5) ........ 26
Figure 1-30 Remove the rear door and rear-lower cover (3 of 5) ........ 27
Figure 1-31 Remove the rear door and rear-lower cover (4 of 5) ........ 28
Figure 1-32 Remove the rear door and rear-lower cover (5 of 5) ........ 28
ENWW xi
Figure 1-33 Remove the control panel (1 of 3) ....... 29
Figure 1-34 Remove the control panel (2 of 3) ....... 29
Figure 1-35 Remove the control panel (3 of 3) ....... 30
Figure 1-36 Remove the upper cover (1 of 2) ........ 31
Figure 1-37 Remove the upper cover (2 of 2) ........ 32
Figure 1-38 Remove the USB cover and the USB PCA (1 of 4) ... 33
Figure 1-39 Remove the USB cover and the USB PCA (2 of 4) ... 34
Figure 1-40 Remove the USB cover and the USB PCA (3 of 4) ... 34
Figure 1-41 Remove the USB cover and the USB PCA (4 of 4) ... 35
Figure 1-42 Remove the front-door and front-cover assembly (1 of 6) ... 36
Figure 1-43 Remove the front-door and front-cover assembly (2 of 6) ... 37
Figure 1-44 Remove the front-door and front-cover assembly (3 of 6) ... 37
Figure 1-45 Remove the front-door and front-cover assembly (4 of 6) ... 38
Figure 1-46 Remove the front-door and front-cover assembly (5 of 6) ... 38
Figure 1-47 Remove the front-door and front-cover assembly (6 of 6) ... 39
Figure 1-48 Remove the paper-guide assembly (1 of 2) ... 39
Figure 1-49 Remove the paper-guide assembly (2 of 2) ... 40
Figure 1-50 Remove the driver PCA (1 of 8) . 40
Figure 1-51 Remove the driver PCA (2 of 8) . 41
Figure 1-52 Remove the driver PCA (3 of 8) . 41
Figure 1-53 Remove the driver PCA (4 of 8) . 42
Figure 1-54 Remove the driver PCA (5 of 8) . 42
Figure 1-55 Remove the driver PCA (6 of 8) . 43
Figure 1-56 Remove the driver PCA (7 of 8) . 43
Figure 1-57 Remove the driver PCA (8 of 8) . 44
Figure 1-58 Remove the DC controller PCA (1 of 2) ........ 46
Figure 1-59 Remove the DC controller PCA (2 of 2) ........ 46
Figure 1-60 Remove the wireless PCA 47
Figure 1-61 Remove the fax PCA ....... 48
Figure 1-62 Remove the formatter PCA and support bracket (1 of 3) ... 49
Figure 1-63 Remove the formatter PCA and support bracket (2 of 3) ... 50
Figure 1-64 Remove the formatter PCA and support bracket (3 of 3) ... 50
Figure 1-65 Remove the main motor (1 of 1) 51
Figure 1-66 Remove the ITB (1 of 3) ... 52
Figure 1-67 Remove the ITB (2 of 3) ... 53
Figure 1-68 Remove the ITB (3 of 3) ... 53
Figure 1-69 Reinstall the ITB (1 of 2) .. 54
Figure 1-70 Reinstall the ITB (2 of 2) .. 55
Figure 1-71 Remove the high-voltage power supply (1 of 4) ...... 56
Figure 1-72 Remove the high-voltage power supply (2 of 4) ...... 57
Figure 1-73 Remove the high-voltage power supply (3 of 4) ...... 57
xii ENWW
Figure 1-74 Remove the high-voltage power supply (4 of 4) ...... 58
Figure 1-75 Reinstall the high-voltage power supply (1 of 1) ..... 58
Figure 1-76 Remove the low-voltage power supply (1 of 3) ....... 59
Figure 1-77 Remove the low-voltage power supply (2 of 3) ....... 60
Figure 1-78 Remove the low-voltage power supply (3 of 3) ....... 60
Figure 1-79 Remove the fuser power supply (1 of 4) ....... 61
Figure 1-80 Remove the fuser power supply (2 of 4) ....... 62
Figure 1-81 Remove the fuser power supply (3 of 4) ....... 62
Figure 1-82 Remove the fuser power supply (4 of 4) ....... 63
Figure 1-83 Remove the fuser (1 of 3) 64
Figure 1-84 Remove the fuser (2 of 3) 65
Figure 1-85 Remove the fuser (3 of 3) 65
Figure 1-86 Remove the fan ..... 66
Figure 1-87 Remove the document feeder separation pad assembly (1 of 7) . 67
Figure 1-88 Remove the document feeder separation pad assembly (2 of 7) . 67
Figure 1-89 Remove the document feeder separation pad assembly (3 of 7) . 68
Figure 1-90 Remove the document feeder separation pad assembly (4 of 7) . 68
Figure 1-91 Remove the document feeder separation pad assembly (5 of 7) . 69
Figure 1-92 Remove the document feeder separation pad assembly (6 of 7) . 69
Figure 1-93 Remove the document feeder separation pad assembly (7 of 7) . 70
Figure 1-94 Remove the document feeder cover (1 of 3) .. 71
Figure 1-95 Remove the document feeder cover (2 of 3) .. 71
Figure 1-96 Remove the document feeder cover (3 of 3) .. 72
Figure 1-97 Remove the document feeder pick arm assembly (1 of 3) . 73
Figure 1-98 Remove the document feeder pick arm assembly (2 of 3) . 73
Figure 1-99 Remove the document feeder pick arm assembly (3 of 3) . 74
Figure 1-100 Remove the document feeder core assembly (1 of 4) ...... 75
Figure 1-101 Remove the document feeder core assembly (2 of4) ....... 75
Figure 1-102 Remove the document feeder core assembly (3 of 4) ...... 76
Figure 1-103 Remove the document feeder core assembly (4 of 4) ...... 76
Figure 1-104 Remove the post scan pinch rollers (1 of 2) . 77
Figure 1-105 Remove the post scan pinch rollers (2 of 2) . 77
Figure 1-106 Remove the document feeder base assembly (1 of 4) ..... 78
Figure 1-107 Remove the document feeder base assembly (2 of 4) ..... 79
Figure 1-108 Remove the document feeder base assembly (3 of 4) ..... 80
Figure 1-109 Remove the document feeder base assembly (4 of 4) ..... 80
Figure 1-110 Remove the document feeder floating hinges ....... 81
Figure 2-1 Base product . 87
Figure 2-2 Covers, panels, and doors 90
Figure 2-3 Internal components (1 of 4) ....... 92
Figure 2-4 Internal components (2 of 4) ....... 94
ENWW xiii
Figure 2-5 Internal components (3 of 4) ....... 96
Figure 2-6 Internal components (4 of 4) ....... 98
Figure 2-7 Scanner and document feeder main assemblies ..... 100
Figure 2-8 Document feeder assembly parts ........ 102

武汉打印机复印机绘图仪维修服务台专注打印机复印机绘图仪的应用以及故障排除和维修;武汉打印机复印机绘图仪维修服务台收集了这些设备的一般常识性问题和技术性问题及其解决方案;同时收集了部分打印机、复印机和绘图仪维修手册,以供需要者参考和研究之用。通过浏览查阅本站相关内容,可以解决在使用过程中遇到的某些故障和使用问题。本站资深工程师从事办公设备维修近二十年,尤其是对惠普大幅面打印机绘图仪的维修服务,具有丰富的售后维修服务经验。我们专业提供湖北武汉周边地区惠普绘图仪快速上门维修服务。对其他地区用户提供远程维修咨询服务。
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