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惠普M251激光打印机维修手册错误代码查询拆装图解
发布时间:2020-02-11 12:34   浏览次数: 次  
惠普M251激光打印机维修手册包含拆装手册:备件拆卸和更换,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
M251维修手册
惠普M251激光打印机维修手册可从以下淘宝链接获取
https://item.taobao.com/item.htm?id=607676406457

故障诊断手册
Table of contents
1 Theory of operation ....... 1
工作原理介绍
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
USB flash drive . 20
ENWW v
2 Solve problems ... 21
故障诊断与排除
Solve problems checklist ...... 22
Menu map ....... 24
Print a menu map (LCD control panel) 24
Print a menu map (touchscreen control panel) ....... 24
Troubleshooting process ....... 25
Pre-troubleshooting checklist .... 25
Power-on checks .. 27
Tools for troubleshooting ...... 28
Component diagnostics .. 28
LED diagnostics ....... 28
Network LEDs ... 28
Control panel LEDs ..... 29
Control-panel diagnostics .. 30
Engine diagnostics .. 30
Engine test ........ 30
Diagrams ... 31
Plug/jack locations .. 31
DC controller PCA ... 32
Locations of major components ... 34
General timing chart 36
General circuit diagram .... 37
Internal print-quality test pages . 38
Interpret the Print Quality Page .... 38
Print a cleaning page ....... 38
Print a cleaning page (LCD control panel) 39
Print a cleaning page (touchscreen control panel) ........ 39
Configuration page . 39
Print a configuration page (LCD control panel) ... 39
Print a configuration page (touchscreen control panel) . 40
Print-quality troubleshooting tools ...... 41
Repetitive image defects .... 41
Calibrate the product to align the colors 41
Control-panel menus ...... 42
Setup Menu ... 42
HP Web Services ....... 42
Reports menu .... 43
Self Diagnostics menu . 44
System Setup menu ..... 45
Service menu .... 48
Network Setup menu .. 50
vi ENWW
Quick Forms menu ..... 51
Function specific menus ..... 52
Apps ...... 52
USB Flash Drive 52
Interpret control panel messages ....... 53
Control panel message types ...... 53
Control panel messages .... 53
10.X00Y Supply Error . 53
49 Error, Turn off then on ..... 54
50.x Fuser Error 54
51.XX Error ...... 54
54.XX Error ...... 54
55.X Error ........ 55
57 Fan Error, Turn off then on ........ 55
59.X Error ........ 55
79 Error Turn off then on ...... 56
Black Cartridge Low ... 56
Black in wrong position ........ 56
Black Very Low . 56
Cleaning . 57
Cyan Cartridge Low ... 57
Cyan in wrong position ........ 57
Cyan Very Low . 57
Device error, press OK ........ 58
Door open ........ 58
Genuine HP supply installed . 58
Incompatible <color> .. 58
Incorrect supplies ....... 58
Install <color> cartridge ....... 59
Invalid driver Press [OK] ...... 59
Jam in Tray 1, Clear jam and then press OK ..... 59
Load tray 1 Press [OK] for available media ....... 59
Load Tray 1 <TYPE> <SIZE>, Press OK to use available media ....... 59
Load Tray 1, <PLAIN> <SIZE> / Cleaning mode, OK to start 59
Magenta Cartridge Low ....... 60
Magenta in wrong position .. 60
Magenta Very Low ..... 60
Manual Duplex Load Tray 1, Press OK .... 60
Memory is low. Press OK. .... 61
Misprint, Press OK ...... 61
Print failure, press OK. If error repeats, turn off then on. ........ 61
ENWW vii
Rear door open . 61
Remove shipping lock from <color> cartridge .... 62
Remove shipping locks from cartridges .... 62
Replace <color> ........ 62
Supplies low ..... 62
Unexpected size in tray 1 Load <size> Press [OK] ...... 62
Unsupported <color> Press [OK] to continue ... 0
Used <color> in use 0
Used <color> installed, to accept press OK .... 0
Used supplies in use 0
Yellow Cartridge Low ....... 0
Yellow in wrong position ... 0
Yellow Very Low ..... 0
Event-log messages ..... 0
Clear jams .... 0
Jam locations .... 0
Clear jams in the paper input tray .. 0
Clear jams from the output bin ....... 0
Clear jams from the rear door ........ 0
Solve paper-handling problems ... 0
The product picks up multiple sheets of paper .... 0
The product does not pick up paper ........ 0
Solve image quality problems ..... 0
Use the correct paper type setting in the printer driver . 0
Change the paper type setting for Windows 0
Change the paper type setting for Mac ....... 0
Adjust color settings in the printer driver ... 0
Change the color theme for a print job ....... 0
Change the color options ........ 0
Use paper that meets HP specifications .... 0
Print a cleaning page . 0
Print a cleaning page (LCD control panel) ... 0
Print a cleaning page (touchscreen control panel) .. 0
Calibrate the product to align the colors ... 0
Check the toner cartridges .... 0
Print the Supplies Status page .. 0
Inspect the print cartridge for damage ........ 0
Repeating defects . 0
Use the printer driver that best meets your printing needs ...... 0
Solve performance problems ...... 0
Factors affecting print performance 0
viii ENWW
Print speeds ... 84
The product does not print or it prints slowly 85
The product does not print . 85
The product prints slowly ... 86
Solve product connectivity problems ........ 87
Solve direct-connect problems .. 87
Solve network problems . 87
Poor physical connection ... 87
The computer is using the incorrect IP address for the product ...... 87
The computer is unable to communicate with the product ... 88
The product is using incorrect link and duplex settings for the network ... 88
New software programs might be causing compatibility problems 88
The computer or workstation might be set up incorrectly ..... 88
The product is disabled, or other network settings are incorrect .... 88
Solve wireless network problems ....... 89
Wireless connectivity checklist .... 89
The control panel displays the message: The wireless feature on this product
has been turned off . 90
The product does not print after the wireless configuration completes ..... 90
The product does not print, and the computer has a third-party firewall
installed ........ 90
The wireless connection does not work after moving the wireless router or
product 90
Cannot connect more computers to the wireless product ..... 91
The wireless product loses communication when connected to a VPN .... 91
The network does not appear in the wireless networks list .. 91
The wireless network is not functioning .. 92
Service mode functions ........ 93
Service menu ....... 93
Service menu settings ........ 93
Restore the factory-set defaults .... 93
Restore the factory-set defaults (LCD control panel) ....... 94
Restore the factory-set defaults (touchscreen control panel) ..... 94
Secondary service menu 94
Open the secondary service menu (LCD control panel) ....... 94
Open the secondary service menu (touchscreen control panel) ..... 94
Secondary service menu structure 95
Engine resets ....... 96
Engine test page ..... 96
Cold reset ..... 96
NVRAM initialization ........ 96
ENWW ix
Product updates 97
Appendix A Service and support ...... 99
Hewlett-Packard limited warranty statement ..... 100
HP's Premium Protection Warranty: LaserJet print cartridge limited warranty statement 102
Data stored on the print cartridge . 103
End User License Agreement ........ 104
OpenSSL ........ 106
Customer support ..... 107
Repack the product .. 108
Appendix B Product specifications .. 109
Physical specifications ....... 110
Power consumption, electrical specifications, and acoustic emissions ...... 110
Environmental specifications ........ 110
Appendix C Regulatory information 111
FCC regulations ....... 112
Environmental product stewardship program ... 113
Protecting the environment ..... 113
Ozone production ....... 113
Power consumption ..... 113
Paper use . 113
Plastics ..... 113
HP LaserJet print supplies ...... 113
Return and recycling instructions ..... 114
United States and Puerto Rico ... 114
Multiple returns (more than one cartridge) ....... 114
Single returns .. 114
Shipping ........ 114
Non-U.S. returns ... 115
Paper ...... 115
Material restrictions ..... 115
Disposal of waste equipment by users in private households in the European Union ...... 115
Chemical substances ... 115
Material Safety Data Sheet (MSDS) . 116
For more information ... 117
Declaration of conformity ... 118
Declaration of conformity (wireless model) ...... 120
Certificate of Volatility ....... 122
x ENWW
Safety statements ..... 123
Laser safety ....... 123
Canadian DOC regulations ... 123
VCCI statement (Japan) 123
Power cord instructions 123
Power cord statement (Japan) 123
EMC statement (Korea) 124
Laser statement for Finland .... 125
GS statement (Germany) ....... 125
Substances Table (China) ...... 126
Restriction on Hazardous Substances statement (Turkey) 126
Additional statements for wireless products ...... 127
FCC compliance statement—United States . 127
Australia statement ...... 127
Brazil ANATEL statement ....... 127
Canadian statements ... 127
European Union regulatory notice ... 127
Notice for use in France ........ 128
Notice for use in Russia ........ 128
Korean statement ........ 128
Taiwan statement ........ 129
Index . 131

拆卸与备件更换手册
Table of contents
1 Removal and replacement ...... 1
机器拆卸与备件更换
Removal and replacement strategy ... 2
Introduction .. 2
Removal and replacement strategy ...... 2
Electrostatic discharge ..... 2
Required tools ........ 3
Types of screws ..... 4
Service approach 4
Before performing service 4
After performing service ... 5
Post-service test ...... 5
Print-quality test 5
Parts removal order 7
Removal and replacement procedures ....... 8
Rollers 8
Pick roller ........ 8
Separation roller ..... 10
Transfer roller 12
Toner-cartridge drawer .. 14
Covers ....... 15
Right cover .... 15
Left cover ...... 18
Rear right cover ...... 21
Rear upper cover .... 22
Rear door and rear lower cover .. 23
Upper cover, LCD control panel products (HP LaserJet Pro 200 color M251n
Printer) . 26
Upper cover, touchscreen control panel products (HP LaserJet Pro 200 color
M251nw Printer) ..... 28
LCD control-panel assembly (HP LaserJet Pro 200 color M251n Printer) . 31
Touchscreen control-panel assembly (HP LaserJet Pro 200 color M251nw
Printer) . 32
ENWW v
USB cover (touchscreen control-panel models) . 34
Front-door and front-cover assembly ..... 35
Main assemblies .. 39
Paper-guide assembly ....... 39
Driver PCA .... 40
DC controller PCA ... 44
Special consideration . 44
Remove the DC controller PCA ....... 45
Formatter PCA ........ 47
Special consideration . 47
Remove the formatter PCA .... 47
Wireless PCA 50
Main motor ... 51
Intermediate transfer belt (ITB) ..... 52
Reinstall the ITB . 54
High-voltage power supply 56
Low-voltage power supply . 59
Fuser power supply . 61
Fuser ... 64
Fan ..... 66
2 Parts and diagrams ..... 69
备件图表
Order parts by authorized service providers ...... 70
Order replacement parts 70
Related documentation and software . 70
Supplies part numbers ... 70
Service parts ....... 70
Whole-unit replacement part numbers 71
How to use the parts lists and diagrams ... 72
Assembly locations ..... 73
Base product (no optional trays or accessories) ..... 73
Covers, panels, and doors ... 76
Internal assemblies ..... 80
Alphabetical parts list . 88
Numerical parts list .... 91
Index ... 95
vi ENWW
List of tables
备件号列表
Table 1-1 Common fasteners ..... 4
Table 2-1 Order parts, accessories, and supplies ... 70
Table 2-2 Related documentation and software ..... 70
Table 2-3 Supplies part numbers ........ 70
Table 2-4 Service parts ... 70
Table 2-5 Whole-unit replacement part numbers .... 71
Table 2-6 LCD model ..... 73
Table 2-7 Touchscreen control-panel model .. 74
Table 2-8 Covers, panels, and doors—network model ..... 77
Table 2-9 Covers, panels, and doors—network wireless model . 79
Table 2-10 Internal components (1 of 4) ...... 81
Table 2-11 Internal components (2 of 4) ...... 83
Table 2-12 Internal components (3 of 4) ...... 85
Table 2-13 Internal components (4 of 4) ...... 87
Table 2-14 Alphabetical parts list ...... 88
Table 2-15 Numerical parts list . 91
ENWW vii
viii ENWW
List of figures
备件图示
Figure 1-1 Phillips and Pozidriv screwdriver comparison .... 3
Figure 1-2 Parts-removal order .... 7
Figure 1-3 Remove the pickup roller ..... 9
Figure 1-4 Remove the separation roller (1 of 2) .... 10
Figure 1-5 Remove the separation roller (2 of 2) .... 11
Figure 1-6 Remove the transfer roller (1 of 3) ........ 12
Figure 1-7 Remove the transfer roller (2 of 3) ........ 12
Figure 1-8 Remove the transfer roller (3 of 3) ........ 13
Figure 1-9 Remove the toner-cartridge drawer (1 of 2) ..... 14
Figure 1-10 Remove the toner-cartridge drawer (2 of 2) ... 14
Figure 1-11 Remove the right cover (1 of 4) . 15
Figure 1-12 Remove the right cover (2 of4) .. 16
Figure 1-13 Remove the right cover (3 of 4) . 16
Figure 1-14 Remove the right cover (4 of 4) . 17
Figure 1-15 Remove the left cover (1 of 4) ... 18
Figure 1-16 Remove the left cover (2 of 4) ... 19
Figure 1-17 Remove the left cover (3 of 4) ... 19
Figure 1-18 Remove the left cover (4 of 4) ... 20
Figure 1-19 Remove the rear right cover ...... 21
Figure 1-20 Remove the rear upper cover .... 22
Figure 1-21 Remove the rear door and rear lower cover (1 of 5) ........ 23
Figure 1-22 Remove the rear door and rear lower cover (2 of 5) ........ 24
Figure 1-23 Remove the rear door and rear lower cover (3 of 5) ........ 24
Figure 1-24 Remove the rear door and rear lower cover (4 of 5) ........ 25
Figure 1-25 Remove the rear door and rear lower cover (5 of 5) ........ 25
Figure 1-26 Remove the upper cover (1 of 2) ........ 26
Figure 1-27 Remove the upper cover (2 of 2) ........ 27
Figure 1-28 Remove the upper cover (1 of 5) ........ 28
Figure 1-29 Remove the upper cover (2 of 5) ........ 29
Figure 1-30 Remove the upper cover (3 of 5) ........ 29
Figure 1-31 Remove the upper cover (4 of 5) ........ 30
Figure 1-32 Remove the upper cover (5 of 5) ........ 30
ENWW ix
Figure 1-33 Remove the control-panel assembly ..... 31
Figure 1-34 Remove the touchscreen control-panel (1 of 2) ....... 32
Figure 1-35 Remove the touchscreen control-panel (2 of 2) ....... 33
Figure 1-36 Remove the USB cover (1 of 2) .. 34
Figure 1-37 Remove the USB cover (2 of 2) .. 34
Figure 1-38 Remove the front-door and front-cover assembly (1 of 6) ... 35
Figure 1-39 Remove the front-door and front-cover assembly (2 of 6) ... 36
Figure 1-40 Remove the front-door and front-cover assembly (3 of 6) ... 36
Figure 1-41 Remove the front-door and front-cover assembly (4 of 6) ... 37
Figure 1-42 Remove the front-door and front-cover assembly (5 of 6) ... 37
Figure 1-43 Remove the front-door and front-cover assembly (6 of 6) ... 38
Figure 1-44 Remove the paper-guide assembly (1 of 2) ... 39
Figure 1-45 Remove the paper-guide assembly (2 of 2) ... 39
Figure 1-46 Remove the driver PCA (1 of 8) . 40
Figure 1-47 Remove the driver PCA (2 of 8) . 40
Figure 1-48 Remove the driver PCA (3 of 8) . 41
Figure 1-49 Remove the driver PCA (4 of 8) . 41
Figure 1-50 Remove the driver PCA (5 of 8) . 42
Figure 1-51 Remove the driver PCA (6 of 8) . 42
Figure 1-52 Remove the driver PCA (7 of 8) . 43
Figure 1-53 Remove the driver PCA (8 of 8) . 43
Figure 1-54 Remove the DC controller PCA (1 of 2) ........ 45
Figure 1-55 Remove the DC controller PCA (2 of 2) ........ 46
Figure 1-56 Remove the formatter PCA (1 of 2) ..... 48
Figure 1-57 Remove the formatter PCA (2 of 2) ..... 49
Figure 1-58 Remove the wireless PCA 50
Figure 1-59 Remove the main motor ... 51
Figure 1-60 Remove the ITB (1 of 3) ... 52
Figure 1-61 Remove the ITB (2 of 3) ... 53
Figure 1-62 Remove the ITB (3 of 3) ... 53
Figure 1-63 Reinstall the ITB (1 of 2) .. 54
Figure 1-64 Reinstall the ITB (2 of 2) .. 55
Figure 1-65 Remove the high-voltage power supply (1 of 4) ...... 56
Figure 1-66 Remove the high-voltage power supply (2 of 4) ...... 57
Figure 1-67 Remove the high-voltage power supply (3 of 4) ...... 57
Figure 1-68 Remove the high-voltage power supply (4 of 4) ...... 58
Figure 1-69 Reinstall the power supply (high voltage) ...... 58
Figure 1-70 Remove the low-voltage power supply (1 of 3) ....... 59
Figure 1-71 Remove the low-voltage power supply (2 of 3) ....... 60
Figure 1-72 Remove the low-voltage power supply (3 of 3) ....... 60
Figure 1-73 Remove the fuser power supply (1 of 4) ....... 61
x ENWW
Figure 1-74 Remove the fuser power supply (2 of 4) ....... 62
Figure 1-75 Remove the fuser power supply (3 of 4) ....... 62
Figure 1-76 Remove the fuser power supply (4 of 4) ....... 63
Figure 1-77 Remove the fuser (1 of 3) 64
Figure 1-78 Remove the fuser (2 of 3) 65
Figure 1-79 Remove the fuser (3 of 3) 65
Figure 1-80 Remove the fan (1 of 4) ... 66
Figure 1-81 Remove the fan (2 of 4) ... 66
Figure 1-82 Remove the fan (3 of 4) ... 67
Figure 1-83 Remove the fan (4 of 4) ... 67
Figure 2-1 LCD control-panel model (HP LaserJet Pro 200 color M251n Printer) ...... 73
Figure 2-2 Touchscreen control-panel model (HP LaserJet Pro 200 color M251nw Printer) . 74
Figure 2-3 Covers, panels, and doors—network model .... 76
Figure 2-4 Covers, panels, and doors—network wireless model 78
Figure 2-5 Internal components (1 of 4) ....... 80
Figure 2-6 Internal components (2 of 4) ....... 82
Figure 2-7 Internal components (3 of 4) ....... 84
Figure 2-8 Internal components (4 of 4) ....... 86
惠普M251激光打印机维修手册可从以下淘宝链接获取
https://item.taobao.com/item.htm?id=607676406457
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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