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Lexmark XC9235 User Guide - Page 150

Mottled print and dots

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Troubleshooting 150 Action Step 8 a Inspect the test pages to determine which color is affected. b Replace the photoconductor unit. c Print the document. Yes Contact customer support. No The problem is solved. Is the print still too light? Mottled print and dots $%& '() Note: Before solving the problem, print the print quality test pages. From the home screen, touch Settings > Troubleshooting > Print Quality Test Pages. Action Yes No Step 1 Check the printer for leaked toner contamination. Go to step 2. Contact customer support. Is the printer free of leaked toner? Step 2 Go to step 4. a From the home screen, touch Settings > Device > Preferences. b Check if the paper type and size settings match the paper type and size set in the tray. Go to step 3. Do the settings match? Step 3 a Change the paper size and type in the Paper menu or adjust the size settings in the tray. b Print a document. Go to step 4. The problem is solved. Is the print still mottled? Step 4 a Replace the textured or rough paper loaded in the tray with plain paper. b Print a document. Go to step 5. The problem is solved. Is the print still mottled?

Section	Page
Contents	2
Safety information	9
Conventions	9
Product statements	9
Learning about the printer	12
Finding information about the printer	12
Selecting a location for the printer	13
Printer configurations	14
Attaching cables	16
Using the control panel	18
Understanding the status of the power button and indicator light	19
Using the home screen	19
Menu map	20
Printing a menu settings page	22
Setting up and using the home screen applications	23
Customizing the home screen	23
Setting up Card Copy	23
Using Shortcut Center	23
Setting up Scan Center	24
Using Customer Support	24
Setting up Device Quotas	24
Using QR Code Generator	24
Using Google Drive	25
Using Display Customization	25
Configuring Eco-Settings	26
Managing contacts	26
Adding contacts	26
Adding groups	26
Editing contacts or groups	27
Deleting contacts or groups	27
Setting up and using the accessibility features	28
Enabling Magnification mode	28
Activating Voice Guidance	28
Adjusting the Voice Guidance speech rate	28
Adjusting the default internal speaker volume	28
Adjusting the default headphones volume	29
Enabling spoken passwords or personal identification numbers	29
Navigating the screen using gestures	29
Using the keyboard on the display	29
Loading paper and specialty media	30
Setting the size and type of the specialty media	30
Configuring Universal paper settings	30
Loading trays	30
Loading the multipurpose feeder	33
Linking trays	34
Printing	35
Printing from a computer	35
Printing from a flash drive	35
Supported flash drives and file types	36
Configuring confidential jobs	37
Printing held jobs	37
Printing a font sample list	37
Printing a directory list	37
Canceling a print job	38
Copying	39
Making copies	39
Copying photos	39
Copying on letterhead	39
Copying on both sides of the paper	39
Reducing or enlarging copies	40
Collating copies	40
Placing separator sheets between copies	40
Copying multiple pages onto a single sheet	40
Creating a copy shortcut	40
E-mailing	41
Setting up the e-mail function	41
Configuring e-mail settings	41
Sending an e-mail	41
Creating an e-mail shortcut	42
Faxing	43
Setting up the printer to fax	43
Setting up the fax function	43
Setting up fax using a standard telephone line	43
Setting up fax using digital subscriber line	48
Setting up fax using VoIP telephone service	49
Setting up fax using cable modem connection	51
Setting up fax in countries or regions with different telephone wall jacks and plugs	53
Connecting to a distinctive ring service	56
Setting the fax date and time	56
Configuring daylight saving time	56
Sending a fax	56
Scheduling a fax	57
Creating a fax destination shortcut	57
Changing the fax resolution	57
Adjusting the fax darkness	57
Viewing a fax log	58
Blocking junk faxes	58
Holding faxes	58
Forwarding a fax	58
Scanning	59
Scanning to an FTP server	59
Creating an FTP shortcut	59
Scanning to a flash drive	59
Sending scanned documents to a computer	60
Securing the printer	61
Locating the security slot	61
Erasing printer memory	61
Erasing printer hard disk memory	61
Configuring printer hard disk encryption	62
Restoring factory default settings	62
Statement of Volatility	62
Maintaining the printer	64
Networking	64
Connecting the printer to a wireless network using Wi-Fi Protected Setup (WPS)	64
Changing port settings after installing an internal solutions port	65
Setting up serial printing (Windows only)	65
Cleaning printer parts	66
Cleaning the printer	66
Cleaning the scanner	66
Cleaning the printhead lens	69
Emptying the hole punch box	71
Ordering parts and supplies	72
Checking the status of parts and supplies	72
Using genuine Lexmark parts and supplies	72
Ordering toner cartridges	73
Ordering a photoconductor unit	73
Ordering a waste toner bottle	73
Ordering staple cartridges	73
Ordering maintenance kits	74
Configuring supply notifications	74
Replacing parts and supplies	75
Replacing a toner cartridge	75
Replacing a photoconductor unit	78
Replacing the waste toner bottle	82
Replacing the pick, feed, and separator rollers	83
Replacing the transfer belt	88
Replacing the transfer roller	91
Replacing the ADF separator roller	93
Replacing the ADF pick and feed rollers	95
Replacing the staple cartridge	97
Replacing the staple cartridge in the staple finisher	97
Replacing the staple cartridge in the staple, hole punch finisher	99
Replacing the staple cartridge in the booklet finisher	101
Moving the printer	102
Moving the printer to another location	102
Shipping the printer	103
Saving energy and paper	103
Setting up power saver modes	103
Adjusting the brightness of the printer display	103
Conserving supplies	104
Recycling	104
Recycling Lexmark products	104
Recycling Lexmark packaging	104
Returning Lexmark cartridges for reuse or recycling	104
Clearing jams	105
Avoiding jams	105
Identifying jam locations	106
Paper jam in the automatic document feeder	107
Paper jam in the multipurpose feeder	108
Paper jam in door C	109
Paper jam in door D	113
Paper jam in the 3000-sheet tray	114
Paper jam in the booklet finisher	115
Paper jam in the staple finisher	120
Staple jam in the staple finisher	121
Staple jam in the staple, hole punch finisher	123
Staple jam in the booklet finisher	125
Troubleshooting	128
Network connection problems	128
Cannot open Embedded Web Server	128
Unable to read flash drive	129
Enabling the USB port	129
Checking the printer connectivity	129
900.xy error	130
Hardware options problems	130
Cannot detect internal option	130
Defective flash detected	131
Not enough free space in flash memory for resources	131
Unformatted flash detected	131
Issues with supplies	131
Non-Lexmark supply	131
Scanner maintenance required, use ADF Kit	132
Paper feed problems	132
Envelope seals when printing	132
Collated printing does not work	132
Paper curl	133
Tray linking does not work	134
Check tray connection	134
Paper frequently jams	135
Jammed pages are not reprinted	135
Printing problems	136
Confidential and other held documents do not print	136
Slow printing	137
Print jobs do not print	138
Print quality is poor	139
Blank or white pages	139
Dark print	140
Ghost images	142
Gray or colored background	143
Horizontal dark lines	144
Horizontal white lines	146
Incorrect margins	147
Jagged or uneven characters	148
Light print	148
Mottled print and dots	150
Print crooked or skewed	151
Repeating defects	152
Solid color or black images	153
Text or images cut off	154
Toner easily rubs off	155
Uneven print density	156
Vertical dark lines or streaks	157
Vertical white lines	158
The printer is not responding	159
Job prints from the wrong tray or on the wrong paper	160
Color quality problems	161
Adjusting toner darkness	161
Modifying the colors in printed output	161
FAQ about color printing	162
The print appears tinted	163
Faxing problems	164
Cannot send or receive faxes	164
Can receive but not send faxes	166
Can send but not receive faxes	166
Poor fax print quality	167
Scanning problems	167
Adjusting scanner registration	167
Adjusting ADF registration	168
Cannot scan from a computer	168
Partial copies of document or photo	169
Poor copy quality	169
Scan job was not successful	169
Scanner does not close	170
Scanner does not respond	170
Scanning takes too long or freezes the computer	171
Contacting customer support	171
Upgrading and migrating	172
Hardware	172
Available internal options	172
Installing a memory card	172
Installing an optional card	176
Installing the 2 x 500- or 2500-sheet tray	179
Installing the 3000-sheet tray	184
Installing the staple finisher	195
Installing the staple, hole punch or booklet finisher	201
Software	207
Installing the printer software	207
Adding available options in the print driver	208
Firmware	208
Exporting or importing a configuration file	208
Updating firmware	208
Notices	210
Product information	210
Edition notice	210
GOVERNMENT END USERS	210
Trademarks	211
Licensing notices	211
Noise emission levels	211
Static sensitivity notice	212
Temperature information	212
Laser notice	212
Laser advisory label	213