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To clean the ink cartridge contacts, CAUTION

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Resolve ink cartridge problem First try removing and reinserting the cartridges. If this does not work, clean the cartridge contacts. If your problem is still not resolved, see Replace the cartridges on page 75 for more information. To clean the ink cartridge contacts CAUTION: The cleaning procedure should take only a few minutes. Make sure that the ink cartridges are reinstalled in the printer as soon as possible. It is not recommended to leave the ink cartridges outside of the printer longer than 30 minutes. This could result in damage to the printhead or the ink cartridges. 1. Check that power is on. 2. Open the cartridge access door. Wait for the print carriage to move to the right side of the printer. 3. Remove the cartridge indicated in the error message. 4. Hold the ink cartridge by its sides with the bottom pointing up and locate the electrical contacts on the ink cartridge. The electrical contacts are the small gold-colored dots on the cartridge. 5. Wipe only the contacts with a dry swab or lint-free cloth. CAUTION: Be careful to wipe only the contacts, and do not smear any of the ink or other debris elsewhere on the cartridge. ENWW Resolve ink cartridge problem 115

Section	Page
HP Deskjet Ink Advantage 4640 e-All-in-One series Help	7
Get to know the HP Deskjet 4640 series	9
Printer parts	10
Control panel and status lights	12
Wireless settings	14
Print	15
Print documents	16
Print photos	18
Print envelopes	20
Print Quick Forms	22
Print with HP wireless direct	23
Print from a wireless-capable mobile device	23
Print from a wireless-capable computer	24
Print using the maximum dpi	25
Tips for print success	27
Paper basics	31
Recommended papers for printing	32
Load media	34
Load original	38
Order HP paper supplies	40
Copy and scan	41
Copy documents	42
Scan to a computer	45
Tips for copy success	47
Tips for scan success	48
Fax	49
Send a fax	50
Send a standard fax	50
Send a standard fax from the computer	50
Send a fax manually from a phone	51
Send a fax using monitor dialing	52
Schedule a fax to send later	53
Send a fax in Error Correction Mode	53
Receive a fax	55
Receive a fax manually	55
Reprint received faxes from memory	56
Forward faxes to another number	56
Set the paper size for received faxes	57
Block unwanted fax numbers	57
Add numbers to the junk fax list	57
Remove numbers from the junk fax list	58
Set up speed-dial entries	59
Set up and change speed-dial entries	59
Delete speed-dial entries	60
Change fax settings	61
Configure the fax header	61
Set the answer mode (Auto answer)	61
Set the number of rings before answering	62
Change the answer ring pattern for distinctive ring	62
Set the dial type	63
Set the redial options	63
Set the fax speed	64
Set the fax sound volume	64
Fax and digital phone services	65
Fax on Voice over Internet Protocol	66
Use reports	67
Print fax confirmation reports	67
Print and view the fax log	68
Print the details of the last fax transaction	68
Print a Caller ID Report	68
View the Call History	68
Tips for fax success	70
Use Web Services	71
HP ePrint	72
Use HP Printables	74
Use the HP Connected website	75
Tips for using Web Services	76
Work with cartridges	77
Check the estimated ink levels	78
Order ink supplies	79
Choose right ink cartridges	80
Replace the cartridges	81
Use single-cartridge mode	83
Cartridge warranty information	84
Tips for working with cartridges	85
Connectivity	87
Wi-Fi Protected Setup (WPS – requires WPS router)	88
Traditional wireless connection (requires router)	89
USB connection (non-network connection)	91
Change from a USB connection to a wireless network	92
Connect wirelessly to the printer without a router	93
Tips for setting up and using a networked printer	94
Advanced printer management tools (for networked printers)	95
To open the embedded Web server	95
About cookies	95
Solve a problem	97
Clear a paper jam	98
Improve print quality	104
Unable to print	109
Resolve copy and scan issues	114
Resolve fax issues	115
Resolve networking issues	116
HP support	117
Register printer	117
Support process	117
HP support by phone	117
Phone support period	118
Placing a call	118
Support phone numbers	118
After the phone support period	118
Additional warranty options	118
Technical information	125
Hewlett-Packard Company notices	126
Specifications	127
System requirements	127
Environmental specifications	127
Input tray capacity	127
Output tray capacity	128
Paper size	128
Paper weights	128
Print specifications	128
Copy specifications	128
Scan specifications	128
Fax specifications	129
Print resolution	129
Power safety	130
Cartridge yield	130
Acoustic information	130
Environmental product stewardship program	131
Eco-Tips	131
Paper use	131
Plastics	131
Material safety data sheets	132
Recycling program	132
HP inkjet supplies recycling program	132
Power consumption	132
Sleep mode	132
Disposal of waste equipment by users	133
Chemical substances	133
Toxic and hazardous substance table (China)	133
Restriction of hazardous substance (Ukraine)	133
Restriction of hazardous substance (India)	134
Battery disposal in the Netherlands	134
Battery disposal in the Taiwan	134
California Perchlorate Material Notice	134
Regulatory notices	135
Regulatory model identification number	135
FCC statement	136
Notice to users in Korea	136
VCCI (Class B) compliance statement for users in Japan	136
Notice to users in Japan about the power cord	136
Noise emission statement for Germany	137
European Union Regulatory Notice	137
Visual display workplaces statement for Germany	138
Declaration of conformity	139
Regulatory wireless statements	139
Exposure to radio frequency radiation	140
Notice to users in Brazil	140
Notice to users in Canada	140
Notice to users in Mexico	141
Notice to users in Taiwan	141
Wireless notice to users in Japan	141
Notice to users of the U.S. telephone network: FCC requirements	142
Notice to users of the Canadian telephone network	143
Notice to users in the European Economic Area	143
Notice to users of the German telephone network	144
Australia wired fax statement	144
Additional fax setup	145
Set up faxing (parallel phone systems)	146
Select the correct fax setup for your home or office	147
Case A: Separate fax line (no voice calls received)	148
Case B: Set up the printer with DSL	149
Case C: Set up the printer with a PBX phone system or an ISDN line	150
Case D: Fax with a distinctive ring service on the same line	151
Case E: Shared voice/fax line	152
Case F: Shared voice/fax line with voice mail	153
Case G: Fax line shared with computer modem (no voice calls received)	154
Set up the printer with a computer dial-up modem	155
Set up the printer with a computer DSL/ADSL modem	156
Case H: Shared voice/fax line with computer modem	157
Shared voice/fax with computer dial-up modem	157
Shared voice/fax with computer DSL/ADSL modem	159
Case I: Shared voice/fax line with answering machine	160
Case J: Shared voice/fax line with computer modem and answering machine	162
Shared voice/fax line with computer dial-up modem and answering machine	162
Shared voice/fax line with computer DSL/ADSL modem and answering machine	164
Case K: Shared voice/fax line with computer dial-up modem and voice mail	165
Serial-type fax setup	168
Test fax setup	169

Match case Limit results 1 per page

Resolve ink cartridge problem

First try removing and reinserting the cartridges. If this does not work, clean the cartridge contacts. If your

problem is still not resolved, see

Replace the cartridges

on page

for more information.

To clean the ink cartridge contacts

CAUTION:

The cleaning procedure should take only a few minutes. Make sure that the ink cartridges are

reinstalled in the printer as soon as possible. It is not recommended to leave the ink cartridges outside of the

printer longer than 30 minutes. This could result in damage to the printhead or the ink cartridges.

Check that power is on.

Open the cartridge access door.

Wait for the print carriage to move to the right side of the printer.

Remove the cartridge indicated in the error message.

Hold the ink cartridge by its sides with the bottom pointing up and locate the electrical contacts on the

ink cartridge. The electrical contacts are the small gold-colored dots on the cartridge.

Wipe only the contacts with a dry swab or lint-free cloth.

CAUTION:

Be careful to wipe only the contacts, and do not smear any of the ink or other debris

elsewhere on the cartridge.

ENWW

Resolve ink cartridge problem

115