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HP Deskjet 6940 User Guide - Macintosh - Page 108

Install the duplexer, Automatic two-sided printing

UPC - 882780263406

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Chapter 12 The duplexer only supports certain paper types. For a list of supported paper types, see the duplexer specifications. Learn how to install the duplexer. Use the duplexer to print a two-sided document automatically. Follow these tips to solve automatic two-sided printing problems. Install the duplexer Follow these steps to attach the duplexer to the printer: 1. Push the two latch handles on the printer's rear access door toward each other, and then remove the door. Note Do not discard the rear access door. In order to print, either the duplexer or the rear access door must be attached to the printer. 2. Insert the duplexer in the back of the printer until both sides snap into place. Note Do not press the buttons on either side of the duplexer when installing it in the printer. Use the buttons only when removing the duplexer from the printer. Automatic two-sided printing To print a two-sided document automatically, one of the following accessories must be attached to the printer: 106 HP Deskjet 6940 series

Section	Page
Contents	3
Welcome	6
Special features	7
Get started	8
Printer features	8
Buttons and lights	10
Paper trays	13
Photo/envelope feeder	15
Print cartridges	17
Ink-backup mode	18
Automatic paper-type sensor	19
Quiet mode	19
Connect to the printer	20
USB	20
Wired Ethernet networking	20
Ethernet basics	21
What you need for a wired network	23
Ethernet network examples	23
Install the printer on an Ethernet network	24
Connect the printer to an Ethernet network	24
Install the printer software	25
Ethernet lights	26
Report Page button	27
Network light	27
HP Report page	28
Embedded Web server (EWS)	30
Configure Bluetooth settings on a network printer	31
Reset the printer to the factory default settings	32
Networking glossary	32
Bluetooth wireless printing	35
Connect the HP Bluetooth Wireless Printer Adapter to the printer	36
Configure Bluetooth settings	36
Print photos	39
Print borderless photos	39
Print photos with a border	41
HP Real Life technologies	42
Photo print cartridge	43
Maximum dpi	44
Color options	44
Advanced color management	45
Gray photo print cartridge	45
Print black-and-white photos	46
Store and handle photo paper	46
Save money when printing photos	47
Print photos from a digital camera	48
Use a PictBridge camera	48
PictBridge printing	48
Use a Bluetooth camera phone	49
Print other documents	51
E-mail	51
Letters	52
Documents	53
Envelopes	54
Brochures	55
Greeting cards	56
Postcards	57
Transparencies	58
Labels	59
Index cards and other small media	60
Iron-on transfers	61
Banners	62
CD/DVD tattoos	63
Printing tips	65
General everyday printing	65
Presentation printing	65
Select a print quality	65
Set the page order	66
Print collated copies	66
Print multiple pages on a single sheet of paper	66
Select a paper type	67
Select a paper source	67
Automatic two-sided printing	68
Resize a document	69
Printer software	70
Print settings	70
Page Setup dialog box	70
Print dialog box	70
Manage the printer (Mac OS X 10.3 and later)	71
Manage the printer (Mac OS X 10.2)	71
View and change the status of a print job (Mac OS X 10.3 and later)	72
View and change the status of a print job (Mac OS X 10.2)	72
Maintenance	74
Install print cartridges	74
Set the auto-off feature	77
Align the print cartridges	77
Calibrate color	78
Automatically clean print cartridges	78
Print a test page	78
View estimated ink levels	78
Maintain the printer body	79
Remove ink from your skin and clothing	79
Manually clean print cartridges	79
Maintain print cartridges	80
Store print cartridges	80
HP Printer Utility	81
Open the HP Printer Utility	82
Mac OS X 10.3 and later	82
Mac OS X 10.2	82
HP Printer Utility panes	82
Troubleshooting	83
Ethernet problems	83
Printer does not print	85
Paper jam	86
Paper problems	88
Printer prints on multiple sheets at once	88
Paper mismatch	89
Printer is stalled	89
Print cartridge problems	90
Photos do not print correctly	91
Part of the photo is faded	93
PictBridge problems	94
Bluetooth printing problems	95
Banners do not print correctly	96
Print quality is poor	96
Too much or too little ink appears on the page	98
Document is misprinted	98
Problems with borderless documents	98
Part of the photo is faded	100
Photo has an unwanted border	101
Error messages	102
Out-of-paper message	103
Printer lights are on or flashing	103
Document prints slowly	105
If you continue to have problems	106
HP support process	106
Accessories	107
Automatic Two-Sided Printing Accessory (duplexer)	107
Install the duplexer	108
Automatic two-sided printing	108
Automatic two-sided printing problems	109
Automatic Two-Sided Printing Accessory specifications	111
250-Sheet Plain Paper Tray	112
Install the 250-Sheet Plain Paper Tray Accessory	112
Load the 250-Sheet Plain Paper Tray Accessory	113
Use the 250-Sheet Plain Paper Tray Accessory	116
250-Sheet Plain Paper Tray Accessory specifications	116
Auto Two-Sided Print Accessory with Small Paper Tray	117
Install the Auto Two-Sided Print Accessory with Small Paper Tray	117
Print postcards	118
Use the Auto Two-Sided Print Accessory with Small Paper Tray when printing from a digital camera	119
Print small photos	120
Print envelopes	121
Problems with the Auto Two-Sided Print Accessory with Small Paper Tray	123
Auto Two-Sided Print Accessory with Small Paper Tray specifications	125
Supplies	127
Paper	127
USB cables	127
Accessories	127
Specifications	128
Printer specifications	128
Environmental information	129
Environmental statement	129
Reduction and elimination	129
Recycling	129
Recycling information for the European Union	130
Energy consumption	130