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Lexmark CX725 User Guide - Page 121

Vertical dark lines or streaks, Vertical white lines, customer, support

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Troubleshooting 121 Vertical dark lines or streaks Leading edge ABCDE ABCDE ABCDE Trailing edge Action Yes a Remove, and then reinstall the imaging unit or imaging kit. Contact customer Warning-Potential Damage: Do not expose the imaging unit support. or imaging kit to direct light for more than 10 minutes. Extended exposure to light can cause print quality problems. Warning-Potential Damage: To avoid damage, do not touch the underside of the imaging unit or imaging kit. b Resend the print job. No The problem is solved. Do vertical dark lines or streaks still appear on prints? Vertical white lines Leading edge Trailing edge Action Yes a Remove, and then reinstall the imaging unit or imaging kit. Contact customer Warning-Potential Damage: Do not expose the imaging unit support. or imaging kit to direct light for more than 10 minutes. Extended exposure to light may cause print quality problems. Warning-Potential Damage: To avoid damage, do not touch the underside of the imaging unit or imaging kit. b Resend the print job. No The problem is solved. Do vertical white lines still appear on prints?

Section	Page
Contents	2
Safety information	6
Conventions	6
Learning about the printer	9
Finding information about the printer	9
Selecting a location for the printer	10
Printer configurations	11
Attaching cables	12
Using the control panel	14
Understanding the status of the power button and indicator light	15
Using the home screen	15
Printing a menu settings page	16
Menus list	17
Setting up and using the home screen applications	19
Customizing the home screen	19
Using Display Customization	19
Setting up Forms and Favorites	19
Setting up Card Copy	20
Using Shortcut Center	20
Setting up Scan Center	20
Loading paper and specialty media	21
Setting the size and type of the specialty media	21
Configuring Universal paper settings	21
Loading trays	21
Loading the multipurpose feeder	23
Linking trays	24
Printing	26
Printing from a computer	26
Printing forms	26
Printing from a flash drive	26
Supported flash drives and file types	27
Configuring confidential jobs	28
Printing held jobs	28
Printing a font sample list	28
Printing a directory list	29
Canceling a print job	29
Copying	30
Making copies	30
Copying photos	30
Copying on letterhead	30
Copying on both sides of the paper (two-sided)	30
Reducing or enlarging copies	31
Collating copies	31
Placing separator sheets between copies	31
Copying multiple pages onto a single sheet	31
Creating a copy shortcut	31
E-mailing	32
Setting up the e-mail function	32
Configuring e-mail settings	32
Sending an e-mail	32
Creating an e-mail shortcut	33
Faxing	34
Setting up the printer to fax	34
Setting up the fax function	34
Setting up fax using a standard telephone line	35
Setting up fax using digital subscriber line	39
Setting up fax using VoIP telephone service	40
Setting up fax using cable modem connection	41
Setting up fax in countries or regions with different telephone wall jacks and plugs	43
Connecting to a distinctive ring service	46
Setting the fax date and time	47
Configuring daylight saving time	47
Sending a fax	47
Scheduling a fax	48
Creating a fax destination shortcut	48
Changing the fax resolution	48
Adjusting the fax darkness	48
Viewing a fax log	48
Blocking junk faxes	49
Holding faxes	49
Forwarding a fax	49
Scanning	50
Scanning to an FTP server	50
Creating an FTP shortcut	50
Scanning to a flash drive	50
Sending scanned documents to a computer	51
Securing the printer	52
Erasing printer memory	52
Erasing printer hard disk memory	52
Configuring printer hard disk encryption	52
Restoring factory default settings	52
Statement of Volatility	53
Maintaining the printer	54
Networking	54
Connecting the printer to a wireless network using Wi-Fi Protected Setup (WPS)	54
Changing port settings after installing an internal solutions port	55
Setting up serial printing (Windows only)	55
Cleaning printer parts	56
Cleaning the printer	56
Cleaning the scanner glass	56
Ordering parts and supplies	57
Checking the status of parts and supplies	57
Using genuine Lexmark parts and supplies	57
Ordering toner cartridges	58
Ordering imaging unit or imaging kit	58
Ordering a waste toner bottle	59
Ordering a fuser maintenance kit	59
Ordering a transfer module	59
Replacing parts and supplies	59
Replacing a toner cartridge	59
Replacing the imaging unit	61
Replacing the imaging kit	65
Replacing the waste toner bottle	69
Replacing the fuser	70
Replacing the pick roller	71
Replacing the separator bracket	74
Replacing the ADF input tray	76
Replacing the ADF scan pad	77
Replacing the ADF separator roller	79
Replacing the transfer module	81
Resetting the maintenance counter	85
Moving the printer	85
Moving the printer to another location	85
Shipping the printer	85
Saving energy and paper	86
Setting up power saver modes	86
Adjusting the brightness of printer display	86
Conserving supplies	86
Recycling	86
Recycling Lexmark products	86
Recycling Lexmark packaging	87
Returning Lexmark cartridges for reuse or recycling	87
Clearing jams	88
Avoiding jams	88
Identifying jam locations	89
Paper jam in trays	90
Paper jam behind door E	91
Paper jam in the multipurpose feeder	91
Paper jam in the standard bin	92
Paper jam in door A	93
Troubleshooting	98
Network connection problems	98
Embedded Web Server does not open	98
Unable to read flash drive	99
Enabling the USB port	99
Checking the printer connectivity	99
Hardware options problems	100
Cannot detect internal option	100
Internal solutions port does not operate correctly	101
Parallel or serial interface card does not operate correctly	101
Paper feed problems	102
Envelope seals when printing	102
Collated printing does not work	102
Paper curl	103
Tray linking does not work	103
Paper frequently jams	104
Jammed pages are not reprinted	105
Printing problems	105
Confidential and other held documents do not print	105
Slow printing	106
Print jobs do not print	107
Print quality is poor	108
Blank or white pages	108
Dark print	109
Ghost images	110
Gray background	111
Horizontal dark lines	112
Horizontal white lines	113
Incorrect margins	114
Jagged or uneven characters	115
Light print	115
Print crooked or skewed	117
Repeating defects	117
Solid color or black images	118
Text or images cut off	119
Toner easily rubs off	120
Uneven print density	120
Vertical dark lines or streaks	121
Vertical white lines	121
The printer is not responding	122
Job prints from the wrong tray or on the wrong paper	123
Color quality problems	123
Adjusting toner darkness	123
Modifying the colors in printed output	124
FAQ about color printing	124
The print appears tinted	125
Faxing problems	126
Cannot send or receive faxes	126
Can receive but not send faxes	128
Can send but not receive faxes	128
Poor fax print quality	129
Scanning problems	129
Cannot scan from a computer	129
Partial copies of document or photo	130
Poor copy quality	130
Scan job was not successful	130
Scanner does not close	131
Scanning takes too long or freezes the computer	131
Scanner does not respond	132
Contacting customer support	132
Upgrading and migrating	133
Hardware	133
Available internal options	133
Installing a memory card	133
Installing an internal solutions port	135
Installing an optional card	140
Installing a printer hard disk	142
Installing optional trays	146
Software	147
Installing the printer software	147
Adding available options in the print driver	147
Firmware	147
Exporting or importing a configuration file	147
Updating firmware	148
Notices	149
Product information	149
Edition notice	149
GOVERNMENT END USERS	149
Licensing notices	150
Trademarks	150
Noise emission levels	151
Static sensitivity notice	151
Temperature information	151
Laser notice	152
Laser advisory label	152