HP Deskjet 6840 Printer series
HP Deskjet 6840 Printer series Help
HP Deskjet 6840 Printer series Help
HP Deskjet 6840 Printer series > en
1 HP Deskjet 6800 series printer
2 Special features
3 Getting started
3.1 Printer features
3.2 Buttons and lights
Power button and light
Print Cancel button
Resume button and light
3.3 Print Cartridge Status lights
3.4 Paper trays
In tray
Out tray
3.5 Photo/envelope feeder
Envelopes
Photos
Postcards
3.6 Print cartridges
Using print cartridges
Everyday printing
Quality color photos
Quality black and white photos
Replacing print cartridges
3.7 Ink-backup mode
Ink-backup mode output
Exiting ink-backup mode
3.8 Automatic Paper-Type Sensor
4 Connecting to the printer
4.1 USB
4.2 Wireless networking
4.2.1 Wireless networking basics
Wi-Fi
802.11g and 802.11b
802.11a
Adapters and access points
Adapters
Access points
Reducing interference in a wireless network
Wireless network examples
Communication modes
Infrastructure mode
Ad hoc mode
Wireless network settings
Network name (SSID)
Wireless profiles
Wireless security
Printing
4.2.2 Wireless network examples
Ad hoc networks
Infrastructure networks
Mixed wired and wireless networks
4.2.3 Wireless profiles
Example
4.2.4 Network name (SSID)
Example
The printer is configured for network_1
The laptop is configured for network_2
The laptop is reconfigured for network_1
4.2.5 Wireless security
Infrastructure networks
Ad hoc networks (wireless direct-connect)
Wireless security basics
4.2.6 Authentication and encryption
Authentication
Definition
Types of authentication
Encryption
Definition
Types of encryption
4.2.7 Wi-Fi Protected Access (WPA)
WPA is a network feature
Encryption
Configuring the printer to use WPA
4.2.8 Wired equivalent privacy (WEP)
WEP is a network feature
WEP keys
Configuring the printer to use WEP
4.2.9 Open system
Configuring the printer for an open system
4.2.10 Installing the printer on a wireless network
4.2.11 Wireless Status light
Signal Strength indicator
4.2.12 Report Page button
4.2.13 Network icon
4.2.14 Wireless radio
How the wireless radio works
Wireless Status light
Disabling and enabling the wireless radio
Disabling the wireless radio
Enabling the wireless radio
4.2.15 HP Report page
Printing an HP Report page
Selecting the language
Understanding the HP Report page
General information
802.11 wireless
Miscellaneous
4.2.16 Embedded Web server (EWS)
4.2.17 Resetting the printer to the factory default settings
4.2.18 Networking glossary
numbers
a
b
c
d
e
f
g
h
i
l
m
n
p
r
s
t
u
w
4.3 Wired Ethernet networking
4.3.1 Ethernet basics
Hardware
Hubs, switches, and routers
Cables
Network communication
TCP/IP
IP address
Internet connections
Ethernet network examples
Printing
4.3.2 Ethernet network examples
Shared Internet connection with a router acting as a gateway
Shared internet connection with a PC acting as a gateway
DSL or cable Internet connection without a gateway
Ethernet network without an Internet connection
4.3.3 Installing the printer on an Ethernet network
4.3.4 Connecting the printer to an Ethernet network
4.3.5 Installing the printer software
Previous installations
Software installation
4.3.6 Ethernet lights
Link light
Activity light
5 Printing photos from a digital camera
5.1 PictBridge
5.2 PictBridge printing
Printing
5.3 PictBridge problems
Images in a connected digital camera do not print
PictBridge lights are flashing
5.4 Using the Auto Two-Sided Print Accessory with Small Paper Tray when printing from a digital camera
Configuring the printer to feed paper from the accessory
Re-configuring the printer to feed paper from the In tray
6 Printing photos from a computer
6.1 Enhancing your photos
6.2 PhotoREt
6.3 HP digital photography options
Opening the HP digital photography options dialog box
Using the HP digital photography options dialog box
6.4 Maximum dpi
6.5 Exif Print
6.6 Printing borderless photos
Guidelines
Printing
6.7 Photo print cartridge
Installing the photo print cartridge
Using the photo print cartridge
Storing the photo print cartridge
6.8 Using advanced color settings
6.9 Color management
6.10 Gray photo print cartridge
Installing the gray photo print cartridge
Using the gray photo print cartridge
Storing the gray photo print cartridge
6.11 Printing black-and white-photos
Printing a black-and-white photo
Printing a color photo in black and white
6.12 Storing and handling photo paper
Storage
Handling
6.13 Saving money when printing photos
HP Everyday Photo Paper
6.14 Small borderless photos
Guidelines
Preparing to print
Printing
6.15 Large borderless photos
Guidelines
Preparing to print
Printing
6.16 Panoramic borderless photos
Guidelines
Preparing to print
Printing
6.17 Small photos with a white border
Guidelines
Preparing to print
Printing
6.18 Large photos with a white border
Guidelines
Preparing to print
Printing
6.19 Panoramic photos with a white border
Guidelines
Preparing to print
Printing
7 Printing other documents
7.1 Email
Guidelines
Preparing to print
Printing
7.2 Letters
Guidelines
Preparing to print
Printing
7.3 Documents
Guidelines
Preparing to print
Printing
7.4 Envelopes
Guidelines
Preparing to print
Printing
7.5 Postcards
Guidelines
Preparing to print
Printing
7.6 Brochures
Guidelines
Preparing to print
Printing
7.7 Greeting cards
Guidelines
Preparing to print
Printing
7.8 Transparencies
Guidelines
Preparing to print
Printing
7.9 Labels
Guidelines
Preparing to print
Printing
7.10 Index cards and other small media
Guidelines
Preparing to print
Printing
7.11 Booklets
Guidelines
Preparing to print
Printing
7.12 Posters
Guidelines
Preparing to print
Printing
7.13 Banners
Guidelines
Preparing to print
Printing
7.14 Iron-on transfers
Guidelines
Preparing to print
Printing
8 Printing tips
8.1 Printing shortcuts
8.1.1 General everyday printing
8.1.2 Photo printing-borderless
8.1.3 Photo printing-with white borders
8.1.4 Two-sided, duplex, printing
8.1.5 Presentation printing
8.1.6 Fast/economical printing
8.1.7 Postcard printing
8.2 Print task quick sets
Using a print task quick set
Creating a print task quick set
Deleting a print task quick set
8.3 Using the 250-Sheet Plain Paper Tray Accessory
8.4 Printing in grayscale
8.5 Setting the printer default settings
8.6 Setting the page order
8.7 Printing collated copies
8.8 Automatic two-sided printing
Binding type
Book binding
Tablet binding
8.9 Manual two-sided printing
8.10 Printing multiple pages on a single sheet of paper
8.11 Print preview
8.12 Selecting a paper type
Using the Automatic Paper-Type Sensor
Selecting a specific paper type
8.13 Selecting a print quality
8.14 Resizing a document
Printing on different paper size
Shrinking or enlarging text and graphics
8.15 Watermarks
Applying an existing watermark to a document
Creating or changing a watermark
8.16 Printing a borderless brochure
Guidelines
Printing
8.17 Printing a different first page
Load paper
Printing
8.18 Setting a custom paper size
Defining a custom paper size
8.19 Selecting a paper source
9 Printer software
9.1 Printer Properties dialog box
9.2 Using What's This? help
9.3 Device Status window
Not operational over a wireless connection
10 Maintenance
10.1 Installing print cartridges
Print cartridges
Print cartridge combinations
Selection numbers
Ink back-up mode
Installation instructions
10.2 Aligning print cartridges
10.3 Calibrating color
10.4 Automatically cleaning print cartridges
10.5 Manually cleaning the print cartridges
Gathering cleaning supplies
Preparing to clean
Cleaning instructions
10.6 Printing a test page
10.7 View estimated ink levels
10.8 Removing ink from skin and clothing
10.9 Maintaining print cartridges
Storing print cartridges
Inserting the print cartridge into the print cartridge protector
Removing the print cartridge from the print cartridge protector
10.10 Maintaining the printer body
10.11 Printer toolbox
11 Troubleshooting
11.1 Ethernet problems
Printer does not print
Link light
Activity light
Cannot open the printer's embedded Web server (EWS)
A personal software firewall is blocking communication between the printer and the computer
11.2 Wireless communication problems
Check the Wireless Status light
Printer's network settings do not match the settings for the network
Printer has the wrong network settings
Computer's wireless card is set to the wrong wireless profile
The radio signal is weak
Reducing interference in a wireless network
A personal software firewall is blocking communication between the printer and the computer
The Wireless Access Point filters MAC addresses
Printer has the wrong network settings
11.3 Printer is not printing
Verify the following
Check the printer lights
Check the printer cable connection
If the printer still does not print
11.4 Paper jam
Accessories?
11.5 Paper problems
Printer prints on multiple sheets at once
Paper weight
Paper is loaded improperly
Printer will not feed paper
Printer ejects the paper
Other paper problems
11.6 Print quality is poor
Streaks and missing lines
Print is faded
Blank pages print
Too much or too little ink appears on the page
Adjust the ink volume and dry time
Select a specific paper type
11.7 Document is misprinted
Text and images are misaligned
Document is printed off-center or at an angle
Parts of the document are missing or printed in the wrong place
Envelope is printed at an angle
Document does not reflect the new print settings
11.8 Photos are not printing correctly
Check the paper tray
Check the printer properties
Colors are tinted or incorrect
Part of the photo is faded
Fading occurs on the edges of a photo
Fading occurs near the edges of a photo
11.9 Banners are not printing correctly
Check the paper tray
Check the printer properties
Check the software
11.10 Borderless printing problems
Part of the photo is faded
Fading occurs on the edges of a photo
Fading occurs near the edges of a photo
Streaks appear in a light portion of a photo
Image is printed at an angle
Printout has an unwanted border
For most photo paper types
For photo paper with a tear-off tab
Ink smears
11.11 Error messages
Out of paper message
If the In tray or optional lower tray contains paper
If the In tray or optional lower tray is empty
The error message 'there was an error writing to USB port' appears
The error message 'there was an error writing to LPT1' appears
The error message 'two-way communication cannot be established' or 'printer not responding' appears
11.12 Printer lights are on or flashing
What the lights indicate
Wireless Status light is flashing
Power light is flashing
Resume light is flashing
There might be a paper jam
Print cartridge status light is on or flashing
If the light is on and not flashing
If the light is on and flashing
All lights are flashing
Power-cord light
11.13 Document prints slowly
Multiple software applications are open
Complex documents, graphics, or photographs are printing
Best or maximum dpi print mode is selected
Printer driver is outdated
Computer does not meet system requirements
Printer is in ink-backup mode
11.14 If you continue to have problems
12 Optional accessories
12.1 Automatic Two-Sided Printing Accessory (duplexer)
12.1.1 Installing the duplexer
12.1.2 Enabling the duplexer
12.1.3 Printing a booklet automatically
Guidelines
Printing
12.1.4 Automatic two-sided printing problems
Paper jam occurs inside the Automatic Two-Sided Printing Accessory
Paper jam
Option for two-sided printing cannot be selected
Only one side of the page prints when the two-sided printing option is enabled
Binding margin is in the wrong place
Paper size changes when the two-sided printing option is selected
Colors look faded
12.1.5 Automatic Two-Sided Printing Accessory specifications
Dimensions when attached to printer
Skew (second side of printed page)
Media weight
Media sizes
12.2 250-Sheet Plain Paper Tray Accessory
12.2.1 Installing the 250-Sheet Plain Paper Tray Accessory
12.2.2 Loading the 250-Sheet Plain Paper Tray Accessory
Two parts
Setting the paper size
Loading paper
12.2.3 Printing a different first page with the 250-Sheet Plain Paper Tray Accessory
Guidelines
Load paper
Printing
12.2.4 250-Sheet Plain Paper Tray Accessory specifications
Dimensions
Weight
Media weight
Media sizes
12.3 Auto Two-Sided Print Accessory with Small Paper Tray
12.3.1 Installing the Auto Two-Sided Print Accessory with Small Paper Tray
12.3.2 Printing postcards
Guidelines
Preparing to print
Printing
12.3.3 Small photos
Guidelines
Preparing to print
Printing
12.3.4 Envelopes
Guidelines
Preparing to print
Printing
12.3.5 Problems with the Auto Two-Sided Print Accessory with Small Paper Tray
Paper jam
Option for two-sided printing cannot be selected
Paper size changes when the two-sided printing option is selected
Binding margin is in the wrong place
Only one side of the page prints when the two-sided printing option is enabled
Colors look faded
12.3.6 Auto Two-Sided Print Accessory with Small Paper Tray specifications
Dimensions when attached to printer
Duplexing specifications
Small paper tray specifications
13 Supplies
13.1 Paper
13.2 USB cables
13.3 Accessories
Automatic Two-Sided Printing Accessory
Auto Two-Sided Print Accessory with Small Paper Tray
250-Sheet Plain Paper Tray Accessory
14 Specifications
14.1 Printer specifications
14.2 Environmental statement
Reduction and elimination
Recycling
Energy consumption
14.3 Print cartridge recovery
15 Notices
15.1 Notices and acknowledgements
Hewlett-Packard company notices
Acknowledgements
15.2 Terms and conventions
Terms
Cautions, warnings, and notes
HP Deskjet 6840 Printer series
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