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Lexmark CX431 Users Guide PDF - Page 164

Print quality problems, Print quality is poor

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Troubleshoot a problem 164 Print quality problems Print quality is poor Find the image that resembles the print quality problem you are having, and then click the link below it to read problem-solving steps. "Blank or white pages" on "Dark print" on page 166 "Ghost images" on page 165 page 168 "Gray or colored background" on page 169 "Incorrect margins" on page 170 "Light print" on page 171 "Missing colors" on page 173 "Mottled print and dots" on page 174 "Paper curl" on page 176 "Print crooked or skewed" "Solid color or black images" "Text or images cut off" on on page 177 on page 178 page 179

Section	Page
Contents	2
Safety information	6
Conventions	6
Product statements	6
Learn about the printer	9
Finding information about the printer	9
Printer configurations	11
Using the control panel	13
Customizing the home screen	13
Changing the language of the keyboard on the display	13
Understanding the status of the indicator light	14
Selecting paper	14
Paper guidelines	14
Paper characteristics	14
Unacceptable paper	15
Storing paper	15
Selecting preprinted forms and letterhead	16
Supported paper sizes	16
Supported paper types	18
Supported paper weights	19
Set up, install, and configure	20
Selecting a location for the printer	20
Attaching cables	21
Installing optional trays	22
Setting up and using the home screen applications	23
Creating a Cloud Connector profile	23
Managing bookmarks	23
Creating bookmarks	23
Creating folders	24
Setting up the printer to fax	24
Setting up the fax function	24
Setting up fax using a standard telephone line	25
Setting up fax in countries or regions with different telephone wall jacks and plugs	27
Connecting to a distinctive ring service	30
Setting the fax date and time	30
Configuring daylight saving time	30
Configuring the fax speaker settings	30
Loading paper and specialty media	30
Setting the paper size and type	30
Configuring Universal paper settings	30
Loading trays	31
Loading the manual feeder	33
Linking trays	34
Installing and updating software, drivers, and firmware	34
Installing the printer software	34
Updating firmware	35
Exporting or importing a configuration file	35
Adding available options in the print driver	35
Available options	36
Networking	36
Installing the wireless print server	36
Connecting the printer to a Wi-Fi network	37
Connecting the printer to a wireless network using Wi-Fi Protected Setup (WPS)	38
Connecting a mobile device to the printer	38
Deactivating the Wi-Fi network	39
Checking the printer connectivity	39
Printing the Menu Settings Page	39
Secure the printer	40
Erasing printer memory	40
Restoring factory default settings	40
Statement of Volatility	40
Print	41
Printing from a computer	41
Printing from a mobile device	41
Printing from a mobile device using Google Cloud Print	41
Printing from a mobile device using Lexmark Mobile Print	41
Printing from a mobile device using Mopria Print Service	41
Printing from a mobile device using AirPrint	42
Printing from a mobile device using Wi-Fi Direct®	42
Printing from a flash drive	43
Supported flash drives and file types	44
Configuring confidential jobs	44
Printing confidential and other held jobs	45
Printing from a Cloud Connector profile	46
Printing a font sample list	46
Placing separator sheets between copies	46
Canceling a print job	46
Adjusting toner darkness	46
Copy	47
Using the automatic document feeder and scanner glass	47
Making copies	47
Copying photos	47
Copying on letterhead	48
Copying on both sides of the paper	48
Reducing or enlarging copies	48
Copying multiple pages onto a single sheet	48
Collating copies	48
Copying cards	49
Creating a copy shortcut	49
E-mail	50
Using the automatic document feeder and scanner glass	50
Configuring the SMTP server for e-mail	50
Sending an e-mail	51
Creating an e-mail shortcut	51
Fax	52
Using the automatic document feeder and scanner glass	52
Sending a fax	52
Scheduling a fax	53
Creating a fax destination shortcut	53
Changing the fax resolution	53
Adjusting the fax darkness	53
Printing a fax log	54
Blocking junk faxes	54
Holding a fax	54
Forwarding a fax	54
Scan	55
Using the automatic document feeder and scanner glass	55
Creating an FTP shortcut	55
Scanning to an FTP server using a shortcut	55
Creating a network folder shortcut	56
Scanning to a network folder using a shortcut	56
Scanning to a flash drive	56
Scanning to a Cloud Connector profile	57
Use printer menus	58
Menu map	58
Device	59
Preferences	59
Eco-Mode	60
Remote Operator Panel	61
Notifications	61
Power Management	63
Information Sent to Lexmark	64
Restore Factory Defaults	64
Maintenance	65
Config Menu	65
Out of Service Erase	69
Visible Home Screen Icons	69
About this Printer	69
Print	70
Layout	70
Setup	71
Quality	72
PostScript	73
PCL	74
Image	76
Paper	76
Tray Configuration	76
Media Configuration	77
Universal Setup	77
Custom Scan Sizes	78
Media Types	78
Copy	79
Copy Defaults	79
Fax	81
Fax Defaults	81
Fax Mode	81
Fax Setup	81
E-mail	88
E-mail Setup	88
E-mail Defaults	89
FTP	92
FTP Defaults	92
USB Drive	94
Flash Drive Scan	94
Flash Drive Print	97
Network/Ports	98
Network Overview	98
Wireless	99
Ethernet	102
TCP/IP	103
SNMP	105
IPSec	106
802.1x	107
LPD Configuration	108
HTTP/FTP Settings	108
USB	109
Restrict external network access	110
Google Cloud Print	110
Wi-Fi Direct	110
Security	112
Login Methods	112
Public	112
Local Accounts	113
Certificate Management	113
Schedule USB Devices	114
Login Restrictions	114
Confidential Print Setup	114
Erase Temporary Data Files	115
Miscellaneous	115
Cloud Connector	116
Reports	116
Menu Settings Page	116
Device	116
Print	116
Shortcuts	117
Fax	117
Network	117
Troubleshooting	117
Maintain the printer	118
Checking the status of parts and supplies	118
Configuring supply notifications	118
Setting up e-mail alerts	118
Viewing reports	118
Ordering parts and supplies	119
Using genuine Lexmark parts and supplies	119
Ordering print cartridges	119
Ordering a waste toner bottle	122
Replacing parts and supplies	122
Replacing a print cartridge	122
Replacing the waste toner bottle	124
Replacing the tray	125
Replacing the manual feeder	126
Replacing the ADF tray	127
Replacing the pick tires	129
Replacing the ADF separator pad	134
Resetting the supply usage counters	136
Cleaning printer parts	136
Cleaning the printer	136
Cleaning the scanner	137
Saving energy and paper	138
Configuring the power save mode settings	138
Adjusting the brightness of the printer display	139
Conserving supplies	139
Moving the printer to another location	139
Shipping the printer	140
Troubleshoot a problem	141
The printer is not responding	141
Unable to read flash drive	142
Enabling the USB port	142
Network connection problems	143
Cannot open Embedded Web Server	143
Issues with supplies	144
Replace cartridge, printer region mismatch	144
Non-Lexmark supply	144
Clearing jams	145
Avoiding jams	145
Identifying jam locations	146
Paper jam in the standard tray	147
Paper jam in the optional tray	149
Paper jam in the standard bin	151
Paper jam in the manual feeder	153
Paper jam in door B	153
Paper jam in the automatic document feeder	156
Paper feed problems	157
Envelope seals when printing	157
Collated printing does not work	157
Tray linking does not work	158
Paper frequently jams	158
Jammed pages are not reprinted	159
Printing problems	159
Print jobs do not print	159
Confidential and other held documents do not print	160
Job prints from the wrong tray or on the wrong paper	161
Slow printing	162
Print quality problems	164
Print quality is poor	164
Blank or white pages	165
Dark print	166
Ghost images	168
Gray or colored background	169
Incorrect margins	170
Light print	171
Missing colors	173
Mottled print and dots	174
Paper curl	176
Print crooked or skewed	177
Solid color or black images	178
Text or images cut off	179
Toner easily rubs off	180
Uneven print density	181
Horizontal dark lines	182
Vertical dark lines	184
Horizontal white lines	185
Vertical white lines	186
Repeating defects	188
Color quality problems	188
Modifying the colors in printed output	188
FAQ about color printing	189
The print appears tinted	190
Faxing problems	191
Caller ID is not shown	191
Cannot send or receive faxes	191
Can receive but not send faxes	193
Can send but not receive faxes	193
Poor fax print quality	194
Scanning problems	194
Cannot scan from a computer	194
Partial copies of document or photo	195
Scan job was not successful	195
Poor copy quality	196
Vertical dark streaks on output when scanning from the ADF	196
Scanner does not close	197
Scanning takes too long or freezes the computer	197
Scanner does not respond	197
Adjusting scanner registration	198
Adjusting ADF registration	198
Contacting customer support	198
Recycle and dispose	199
Recycling Lexmark products	199
Recycling Lexmark packaging	199
Notices	200
Product information	200
Edition notice	200
GOVERNMENT END USERS	200
Trademarks	201
Licensing notices	201
Noise emission levels	201
Waste from Electrical and Electronic Equipment (WEEE) directive	202
India E-Waste notice	202
Product disposal	202
Returning Lexmark cartridges for reuse or recycling	203
Static sensitivity notice	203
ENERGY STAR	203
Temperature information	203
Laser notice	204
Power consumption	204
Product power consumption	204
Sleep Mode	205
Hibernate Mode	205
Off mode	205
Total energy usage	205
Regulatory notices for telecommunication terminal equipment	205
Notice to users of the US telephone network: FCC requirements	206
Notice to users of the Canadian telephone network	207
Notice to users of the New Zealand telephone network	207
Japanese telecom notice	208
Regulatory notices for wireless products	208
Modular component notice	209
Industry Canada compliance statement	209
Singapore IMDA statement	210
European Community (EC) directives conformity	210
Federal Communications Commission (FCC) compliance information statement	211
日本の VCCI 規定	212
European Community (EC) directives conformity	212
STATEMENT OF LIMITED WARRANTY FOR LEXMARK LASER PRINTERS, LEXMARK LED PRINTERS, AND LEXMARK MULTIFUN ...	213