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HP LaserJet MFP M139-M142 User Guide - Page 46

Solve problems, Interpret control-panel light patterns and display codes

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8 Solve problems This section suggests solutions to common problems. You can also get help from the HP Smart app. HP Smart provides alerts for printer issues (jams and other problems), links to help content, and options to contact support for additional assistance. For more information, see Use the HP Smart app to print, scan, and manage. If the suggestions do not solve the problems, try getting help using one of the support services, see HP support. Interpret control-panel light patterns and display codes If the printer requires user confirmation, the LED control panel alternates between Go and a two-digit status code. If the printer requires attention, the LED control panel alternates between Er and a two-digit error code. Table 8-1 Status-light legend Symbol for "light off" Symbol for "light on" Symbol for "light blinking (2 blinks per 3 seconds)" Table 8-2 Light patterns Light pattern Light status 1 The Attention light is blinking. Desciption Depending on display code on the control panel, the printer is in different state. Check Table 8-3 Control panel display codes for Light pattern 1 for code information, printer state, and recommended action. NOTE: The Supplies light might or might not be on in this state depending on the supply status. 2 The Attention light is blinking and the Ready light is The supply might have reached very low status. on. Check Table 8-4 Control-panel display codes for Light pattern 2 for code information, printer state, and recommended action. Solve problems 37

Section	Page
Get started	10
Printer views	10
Printer front view	10
Printer back view	10
Control panel features	11
Control panel display (wireless model only)	11
Control panel buttons and lights (base/wireless model)	12
Print reports from control panel	14
Use the HP Smart app to print, scan, and manage	14
To install HP Smart and open the app	14
Get more information about HP Smart	15
Connect your printer	16
Connect your printer to a Wi-Fi network using HP Smart	16
Connect your printer to a Wi-Fi network using Wi-Fi Protected Setup (WPS)	16
Connect your printer to computer using a USB cable	17
Change wireless settings	17
Turn on or off the wireless capabilities of the printer	17
Restore network settings to default settings	18
Change the connection type	18
USB to a wireless connection (Windows 10/macOS)	18
USB to a wireless connection (Windows 7)	18
Wireless to a USB connection (Windows/macOS)	19
Load media	20
Load paper	20
Load envelopes	21
Load labels	22
Load an original on the scanner glass	24
Print	25
Print from a Windows computer	25
Print documents	25
Manually print on both sides	25
Print multiple pages per sheet	26
Print from a Mac computer	27
Print documents	27
Manually print on both sides	27
Print multiple pages per sheet	28
Print with mobile devices	28
Print while connected to same Wi-Fi network	29
Print without connecting to same Wi-Fi network (Wi-Fi Direct)	29
Copy and scan	31
Make a copy	31
Make a copy (base model)	31
Make a copy (wireless model)	31
Copy identification card	32
Scan using HP Smart (iOS/iPadOS/Android, Windows 10, and macOS)	32
Scan using the HP Scan software (Windows 7)	33
Scan by using the HP Easy Scan Software (macOS)	33
Configure your printer	34
Configure the printer using the Embedded Web Server (EWS)	34
Access the Embedded Web Server (EWS)	34
Configure IP network settings	36
Printer security features	37
Energy-conservation settings	37
Advanced configuration with HP Utility for macOS	38
Open HP Utility	38
HP Utility features	39
Update the firmware	40
Dynamic Security Enabled Printers	40
Update the firmware using the Firmware Update Utility	40
Supplies, accessories, and parts	41
Dynamic Security Enabled Printers	41
Order supplies, accessories, and parts	41
Replace the toner cartridge	42
Cartridge information	42
Remove and replace the toner cartridge	42
Solve problems	46
Interpret control-panel light patterns and display codes	46
Restore the factory-set defaults	50
A “Cartridge is low” or “Cartridge is very low” message appears	50
Change the “Very Low” settings	50
Printer does not pick up paper or misfeeds	51
The product does not pick up paper	51
The product picks up multiple sheets of paper	51
Clear paper jams	51
Jam locations	52
Experiencing frequent or recurring paper jams?	52
Clear jams from the input tray	53
Clear jams from inside the product	55
Clear jams from the output areas	56
Improve print quality	58
Update the printer firmware	58
Print from a different software program	59
Check the paper-type setting for the print job	59
Check toner-cartridge status	59
Cartridge cleaning	60
Print a cleaning page	60
Visually inspect the toner cartridge	60
Check paper and the printing environment	61
Adjust Print Density	61
Troubleshoot print quality problems	62
Improve copy and scan image quality	67
Check the scanner glass for dirt and smudges	67
Check the paper settings	67
Optimize for text or pictures	68
Edge-to-edge copying	68
Solve wireless network problems	68
Wireless connectivity checklist	68
The printer does not print after the wireless configuration completes	69
The printer does not print, and the computer has a third-party firewall installed	69
The wireless connection does not work after moving the wireless router or printer	69
Cannot connect more computers to the wireless printer	70
The wireless printer loses communication when connected to a VPN	70
The network does not appear in the wireless networks list	70
The wireless network is not functioning	70
Perform a wireless network diagnostic test	71
Reduce interference on a wireless network	71
HP support	72
Contact HP	72
Register printer	73
Additional warranty options	73
Additional supplies and toner information	73
Printer specifications	74
Technical specifications	74
System requirements	74
Printer dimensions	74
Power consumption, electrical specifications, and acoustic emissions	75
Operating environment range	75
Warning icons	75
Laser Warning	76
Service and support	77
HP limited warranty statement	77
Country Specific Terms	78
UK, Ireland, and Malta	80
Austria, Belgium, Germany, and Luxemburg	80
Belgium, France, and Luxemburg	81
Italy	82
Spain	82
Denmark	83
Norway	83
Sweden	83
Portugal	84
Greece and Cyprus	84
Hungary	84
Czech Republic	85
Slovakia	85
Poland	85
Bulgaria	86
Romania	86
Belgium and the Netherlands	86
Finland	87
Slovenia	87
Croatia	87
Latvia	87
Lithuania	88
Estonia	88
Russia	88
HP's Premium Protection Warranty: LaserJet toner cartridge limited warranty statement	88
HP policy on non-HP supplies	89
HP anticounterfeit Web site	89
Data stored on the toner cartridge	89
End User License Agreement	90
Customer self-repair warranty service	94
Customer support	95
Environmental product stewardship program	96
Protecting the environment	96
Ozone production	96
Power consumption	96
Toner consumption	96
Paper use	97
Plastics	97
HP LaserJet print supplies	97
Paper	97
Material restrictions	97
Battery information	97
Disposal of waste equipment by users (EU, UK, and India)	98
Electronic hardware recycling	98
Brazil hardware recycling information	98
Chemical substances	99
Product Power Data per European Union Commission Regulation 1275/2008 and the UK Relevant Statutory Requirements	99
SEPA Ecolabel User Information (China)	99
The regulation of the implementation on China energy label for printer, fax, and copier	99
Restriction on Hazardous Substances statement (India)	100
WEEE (Turkey)	100
Restriction on Hazardous Substances statement (Ukraine)	100
Material Safety Data Sheet (MSDS)	100
EPEAT	100
Substances Table (Taiwan)	101
Substances Table (China)	102
For more information	102
Regulatory information	104
Regulatory statements	104
Regulatory model identification numbers	104
FCC regulations	104
European Union & United Kingdom Regulatory Notice	104
Canada - Industry Canada ICES-003 Compliance Statement	105
VCCI statement (Japan)	105
EMC statement (Korea)	105
Power cord instructions	105
Notice to users in Japan about the power cord	106
Laser safety	106
Laser statement for Finland	106
Nordic Statements (Denmark, Finland, Norway, Sweden)	107
GS statement (Germany)	107
Eurasian Conformity (Armenia, Belarus, Kazakhstan, Kyrgyzstan, Russia)	108
Wireless statements	108
FCC compliance statement—United States	109
Australia statement	109
Belarus	109
Brazil ANATEL statement	109
Canadian statements	109
China CMIIT Wireless Statement	109
Exposure to Radio Frequency Radiation (Canada)	110
European Regulatory Notice	110
Notice for use in Japan	110
Notice for use in Russia	110
Mexico statement	110
Taiwan statement	110
Thailand Wireless Statement	110
Vietnam Telecom wireless marking for ICTQC Type approved products	111
Dynamic Security Enabled Printers	111