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HP Officejet Pro 251dw HP Officejet Pro 251dw - User Guide - Page 135

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About cookies The embedded web server (EWS) places very small text files (cookies) on your hard drive when you are browsing. These files let the EWS recognize your computer the next time you visit. For example, if you have configured the EWS language, a cookie helps remember which language you have selected so that the next time you access the EWS, the pages are displayed in that language. Though some cookies are cleared at the end of each session (such as the cookie that stores the selected language), others (such as the cookie that stores customer-specific preferences) are stored on the computer until you clear them manually. NOTE: The cookies that the EWS stores on your computer are only used for saving settings on your computer or for sharing information between the printer and the computer. These cookies are not sent to any HP websites. You can configure your browser to accept all cookies, or you can configure it to alert you every time a cookie is offered, which allows you to decide which cookies to accept or refuse. You can also use your browser to remove unwanted cookies. NOTE: Depending on your printer, if you disable cookies, you also disable one or more of the following features: • Starting where you left the application (especially useful when using setup wizards) • Remembering the EWS browser language setting • Personalizing the EWS Home page For information about how to change your privacy and cookie settings and how to view or delete cookies, see the documentation available with your web browser. To open the embedded web server NOTE: The printer must be on a network and must have an IP address. The IP address and hostname for the printer are listed on the status report. For more information, see Understand the network configuration page. In a supported web browser on your computer, type the IP address or hostname assigned to the printer. For example, if the IP address is 123.123.123.123, type the following address into the web browser: http://123.123.123.123 TIP: After opening the embedded web server, you can bookmark it so that you can return to it quickly. TIP: If you are using the Safari web browser in Mac OS X, you can also use the Bonjour bookmark to open the EWS without typing the IP address. To use the Bonjour bookmark, open Safari, and then from the Safari menu, click Preferences. On the Bookmarks tab, in the Bookmarks bar section, select Include Bonjour, and then close the window. Click the Bonjour bookmark, and then select your networked printer to open the EWS. Embedded web server features NOTE: Changing network settings in the HP EWS might disable some product or product software features. Use the Home tab to customize various views and tasks related to your device. The Home tab includes the following items: • Recently Visited: Displays the five most recently visited embedded HP EWS links. • Printer Status: Displays current printer status. • Diagnostic: Provide links to diagnostic tasks. Embedded web server 131

Section	Page
Contents	5
Get started	11
Accessibility	11
HP EcoSolutions (HP and the Environment)	12
Understand the printer parts	13
Front view	13
Printing supplies area	14
Back view	14
Use the printer control panel	15
Overview of buttons and lights	15
Control panel display icons	16
Change printer settings	17
Select the mode	17
Change printer settings	18
Select paper	18
Recommended papers for printing	18
Recommended papers for photo printing	19
Tips for selecting and using paper	20
Load paper	20
Load standard-size paper	20
Load envelopes	21
Load cards and photo paper	22
Load custom-size paper	23
Insert a memory device	24
Install the accessories	25
Install the automatic two-sided printing accessory (duplexer)	25
Install Tray 2	26
Configure trays	27
Turn on accessories in the printer driver	28
To turn on accessories (Windows)	28
To turn on accessories (Mac OS X)	28
Maintain the printer	29
Clean the exterior	29
Update the printer	29
Update the printer using the embedded web server	29
Update the printer using the printer control panel	29
Open the printer software (Windows)	30
Turn the printer off	30
Restore factory defaults	30
Print	31
Print documents	31
Print documents (Windows)	31
Print documents (Mac OS X)	32
Print brochures	32
Print brochures (Windows)	33
Print brochures (Mac OS X)	33
Print on envelopes	34
Print on envelopes (Windows)	34
Print on envelopes (Mac OS X)	35
Print photos	35
Print photos on photo paper (Windows)	35
Print photos on photo paper (Mac OS X)	36
Print photos from a memory device	36
Print on special and custom-size paper	37
Print on special or custom-size paper (Windows)	37
Print on special or custom-size paper (Mac OS X)	38
Set up custom sizes (Mac OS X)	38
HP ePrint	39
HP Wireless Direct	39
Turn on HP wireless direct printing	40
Print from a wireless-capable mobile device	40
Print from a wireless-capable computer	40
Print from a wireless-capable computer (Windows)	41
Print from a wireless-capable computer (Mac OS X)	41
Print on both sides (duplexing)	41
View Print Resolutions	43
Web Services	44
What are Web Services?	44
HP ePrint	44
Printer Apps	44
Set up Web Services	45
Set up Web Services using the HP printer software	45
Set up Web Services using the printer’s control panel	45
Set up Web Services using the embedded web server	46
Use Web Services	46
HP ePrint	46
Print using HP ePrint	47
Find the printer's email address	47
Turn off HP ePrint	47
Printer Apps	47
Use Printer Apps	47
Manage Printer Apps	48
Turn off Printer Apps	48
Remove Web Services	48
Work with ink cartridges	49
Information on ink cartridges and the printhead	49
Check the estimated ink levels	50
Print when one or more ink cartridges are depleted	50
Replace the ink cartridges	51
Store printing supplies	52
Anonymous Usage Information Storage	52
Solve a problem	54
HP support	54
Obtain electronic support	55
HP support by phone	55
Before you call	55
Phone support period	56
After the phone support period	56
General troubleshooting tips and resources	56
Solve printer problems	57
The printer shuts down unexpectedly	57
Alignment fails	57
The printer is not responding (nothing prints)	57
The printer prints slowly	58
The printer is making some unexpected noises	59
Blank or partial page printed	60
Something on the page is missing or incorrect	60
Placement of the text or graphics is wrong	61
Print quality troubleshooting	61
Solve paper-feed problems	66
Solve problems using Web Services and HP websites	67
Solve problems using Web Services	68
Solve problems using HP websites	69
Solve memory device problems	69
The printer cannot read the memory device	69
The printer cannot read photos on the memory device	69
Solve Ethernet network problems	70
General network troubleshooting	70
Solve wireless problems	70
Basic wireless troubleshooting	70
Step 1 - Make sure the wireless (802.11) light is turned on	71
Step 2 - Restart components of the wireless network	71
Step 3 - Run the Print Wireless Network Test	71
Advanced wireless troubleshooting	71
Step 1 - Make sure your computer is connected to your network	72
Step 2 - Make sure that the printer is connected to your network	73
Step 3 - Make sure your computer is not connected to your network over a Virtual Private Network (VP ...	74
Step 4 - Make sure the printer is online and ready	74
Step 5 - Make sure the wireless version of the printer is set as the default printer driver (Windows ...	75
Step 6 - Check to see if the firewall software is blocking communication	75
After resolving the problems	76
Configure your firewall software to work with the printer	76
Solve printer management problems	77
Embedded web server cannot be opened	77
Troubleshoot installation issues	78
Hardware installation suggestions	78
HP software installation suggestions	79
Solve network problems	79
Understand the Printer Status Report	80
Printhead maintenance	82
Clean the printhead	82
Calibrate the linefeed	83
Align the printhead	83
Reinstall the printhead	84
Understand the network configuration page	86
Clear jams	88
Clear paper jams	88
Avoid paper jams	90
Technical information	91
Warranty information	91
Hewlett-Packard limited warranty statement	92
Ink cartridge warranty information	93
Printer specifications	94
Physical specifications	94
Product features and capacities	94
Processor and memory specifications	95
System requirements	95
Network protocol specifications	95
Embedded web server specifications	95
Paper specifications	96
Understand specifications for supported paper	96
Set minimum margins	99
Guidelines for printing on both sides of a page	99
Print specifications	100
Web Services specifications	100
HP ePrint	100
Printer Apps	100
HP website specifications	100
Environmental specifications	100
Electrical specifications	101
Acoustic emission specifications	101
Memory device specifications	101
Memory card specifications	101
USB flash drives	101
Regulatory information	103
FCC statement	103
Notice to users in Korea	104
VCCI (Class B) compliance statement for users in Japan	104
Notice to users in Japan about the power cord	104
Noise emission statement for Germany	104
European Union Regulatory Notice	104
GS Declaration (Germany)	106
Regulatory information for wireless products	106
Exposure to radio frequency radiation	106
Notice to users in Brazil	106
Notice to users in Canada	107
Notice to users in Taiwan	107
Notice to users in Mexico	108
Notice to users in Japan	108
Regulatory model number	108
Environmental product stewardship program	109
Paper use	109
Plastics	109
Material safety data sheets	109
Recycling program	109
HP inkjet supplies recycling program	109
Disposal of waste equipment by users in private households in the European Union	110
Power consumption	111
Chemical Substances	111
Battery information	111
Battery disposal in the Netherlands	111
Battery disposal in Taiwan	111
California Perchlorate Material Notice	112
RoHS notices (China only)	112
Restriction of hazardous substance (Ukraine)	112
Third-party licenses	113
HP supplies and accessories	122
Order printing supplies online	122
Supplies	122
Ink cartridges and printheads	122
HP paper	123
Network setup	124
Change basic network settings	124
View and print network settings	124
Turn the wireless radio on and off	124
Change advanced network settings	124
Set link speed	125
View IP settings	125
Change IP settings	125
Configure the printer’s firewall settings	125
Creating and using firewall rules	125
Reset network settings	127
Set up the printer for wireless communication	127
Before you begin	127
Set up the printer on your wireless network	128
Set up the printer using the HP printer software	128
Set up the printer using the Wireless Setup Wizard	128
Set up the printer using WiFi Protected Setup (WPS)	129
Set up the printer using the embedded web server (EWS)	129
Change the connection type	130
Test the wireless connection	131
Guidelines for ensuring wireless network security	131
Overview of security settings	131
Add hardware addresses to a wireless router (MAC filtering)	131
Other wireless security guidelines	132
Guidelines for reducing interference on a wireless network	132
Uninstall and reinstall the HP software	132
Windows	133
Mac OS X	133
Printer management tools	134
Toolbox (Windows)	134
HP Utility (Mac OS X)	134
Embedded web server	134
About cookies	135
To open the embedded web server	135
Embedded web server features	135
Product security features	137
Assign an administrator password in the embedded web server	137
Control panel lock	137
Disable unused protocols and services	137
Administrator settings	138
Color access control	138
Protected protocols – HTTPS	138
Firewall	138
Syslog	138
Certificates	138
Signed firmware	138
Wireless authentication	139

Match case Limit results 1 per page

About cookies

The embedded web server (EWS) places very small text files (cookies) on your hard drive when you

are browsing. These files let the EWS recognize your computer the next time you visit. For example,

if you have configured the EWS language, a cookie helps remember which language you have

selected so that the next time you access the EWS, the pages are displayed in that language. Though

some cookies are cleared at the end of each session (such as the cookie that stores the selected

language), others (such as the cookie that stores customer-specific preferences) are stored on the

computer until you clear them manually.

NOTE:

The cookies that the EWS stores on your computer are only used for saving settings

on your computer or for sharing information between the printer and the computer. These

cookies are not sent to any HP websites.

You can configure your browser to accept all cookies, or you can configure it to alert you every time

a cookie is offered, which allows you to decide which cookies to accept or refuse. You can also use

your browser to remove unwanted cookies.

NOTE:

Depending on your printer, if you disable cookies, you also disable one or more of the

following features:

•

Starting where you left the application (especially useful when using setup wizards)

•

Remembering the EWS browser language setting

•

Personalizing the EWS Home page

For information about how to change your privacy and cookie settings and how to view or delete

cookies, see the documentation available with your web browser.

To open the embedded web server

NOTE:

The printer must be on a network and must have an IP address. The IP address and

hostname for the printer are listed on the status report. For more information, see

Understand

the network configuration page.

In a supported web browser on your computer, type the IP address or hostname assigned to the

printer.

For example, if the IP address is 123.123.123.123, type the following address into the web browser:

http://123.123.123.123

TIP:

After opening the embedded web server, you can bookmark it so that you can return to it

quickly.

TIP:

If you are using the Safari web browser in Mac OS X, you can also use the Bonjour

bookmark to open the EWS without typing the IP address. To use the Bonjour bookmark, open

Safari, and then from the

Safari

menu, click

Preferences

. On the

Bookmarks

tab, in the

Bookmarks bar

section, select

Include Bonjour

, and then close the window. Click the

Bonjour

bookmark, and then select your networked printer to open the EWS.

Embedded web server features

NOTE:

Changing network settings in the HP EWS might disable some product or product

software features.

Use the

Home

tab to customize various views and tasks related to your device. The

Home

tab

includes the following items:

•

Recently Visited

: Displays the five most recently visited embedded HP EWS links.

•

Printer Status

: Displays current printer status.

•

Diagnostic

: Provide links to diagnostic tasks.

Embedded web server

131