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Lexmark X422 X422 MFP User's Reference - Page 126

Solving print quality problems

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Troubleshooting Solving print quality problems You may be able to correct many print quality problems by replacing a supply or maintenance item that has reached the end of its intended life. Use the following table to find solutions to print quality problems you encounter. If you cannot fix the problem, contact the place where you bought your MFP. Problem Light or blurred characters. Toner smudges appear on the front or back of the page. Solution • If Toner Low appears, remove the print cartridge. To utilize the remaining toner, shake the print cartridge gently, and then reinstall it. See page 108 in Replacing the print cartridge for an illustration of how to shake the print cartridge. • Increase the Toner Darkness setting. • If you are printing on transparencies, card stock, or labels, be sure you selected the correct Paper Type in the print driver, MarkVision Professional, the control panel, or the Web pages. • If you are printing on an uneven print surface, adjust the Paper Weight and Paper Texture settings. • Use recommended paper and other print media. Refer to the Card Stock & Label Guide available on the Lexmark Web site at www.lexmark.com for detailed specifications. • Make sure print media you load in the sources is not damp. • You may be out of toner or have a defective print cartridge. Replace the print cartridge. See Replacing the print cartridge for instructions. • Make sure the print media is straight and unwrinkled. • Toner is on the transfer roller. To help prevent this, do not load print media that is smaller than the page size of the job to be printed. Specify the correct page size in your driver. • To clean the transfer roller, open and close the MFP upper front door. The MFP automatically runs its setup cycle. • Replace the used print cartridge with a new one. See Replacing the print cartridge for instructions. Solving print quality problems 126

Section	Page
Notices	8
Edition notice	9
Licensing notice	11
Safety information	12
Cautions and warnings	12
Electronic emission notices	12
Noise emission levels	14
Energy Star	14
Laser notices	15
Statement of limited warranty	15
Overview	19
Printing, copying, faxing, and scanning	20
Tips on storing media	20
Scanning information	20
Avoiding jams when scanning	20
Scanning to e-mail or FTP	21
Build a To: list	21
Scanning to PC	23
Create a Scan Profile	23
Copying information	27
Making copies	27
Quick copies	27
Select number of copies	27
Specify copy from size	27
Set copy to size	28
Set collation	28
Set scale	28
Set darkness	28
Specify content	28
Set the duplex feature	28
Set paper saver	29
Set margin shift	29
Set time stamp	29
Set overlay	29
Examples of typical jobs	29
Using Duplex with your scan original for a two-sided copy	31
Interrupting a job to make a copy	32
Canceling a copy	32
Faxing information	32
Quick fax	32
Sending faxes	33
Build a Fax To: list	33
Save a Fax To: list	33
Specify original size	33
Set resolution	33
Specify content	34
Set darkness	34
Manual Fax	34
Examples of typical fax jobs	34
Canceling fax jobs	35
Printing information	36
Avoiding jams when printing	36
Sending a job to print	37
Printing the menu settings page	38
Printing a font sample list	39
Canceling a print job from the MFP control panel	39
Canceling a print job from your computer	39
Printing a directory list	39
Print Held Jobs—using the Print and Hold function	40
Selecting a user name	40
Selecting the type of Held Job	40
Sending a held print job	42
Printing and deleting held jobs	43
Media specifications and guidelines	44
Scan media specifications and guidelines	44
Scan media source specifications	44
Loading scan media	44
Print media specifications and guidelines	50
Specifications for print media	51
Storing print media	55
Print media guidelines	55
Using the duplex feature for printing	60
Duplex printing on letterhead	60
Using Duplex Bind	60
Loading print media	61
Using the output bins	80
Clearing jams	84
Identifying the media path	84
Jams in the ADF	86
Entering the ADF	86
In the ADF	87
Opening top cover during scanning	88
Jammed due to missing scan media or poor positioning in the ADF	88
Jams under the print cartridge	88
Jams behind the upper front door and the rear output bin door	90
Before reaching the standard output bin	90
Jams in the fuser	93
Exiting to the standard output bin	94
Jams behind the rear output bin door	95
Jams in the multipurpose feeder	97
Jams in the tray 1 area	98
Jams in the tray 2 area	99
Jams inside a tray after clearing the metal stop	100
Jams under the MFP	101
Maintenance	104
Conserving supplies	104
Maintaining your MFP	104
Ordering supplies	104
Ordering a pick roller assembly	104
Ordering a separator pick roller	104
Ordering a print cartridge	105
Storing the print cartridge	105
Replacing the print cartridge	106
Removing the used print cartridge	106
Cleaning under the print cartridge	107
Installing the new print cartridge	108
Recycling Lexmark products	110
Cleaning the printhead lens	111
Replacing the pick roller assembly and the separator pick roller	112
Cleaning the ADF	117
Cleaning the ADF window	118
Cleaning the scanner flatbed	120
Troubleshooting	121
Solving basic MFP problems	121
Solving printing problems	122
Solving print quality problems	126
Solving fax problems	132
Solving ADF problems	133
Solving scanner flatbed problems	133
Solving option problems	133
Solving network printing problems	134
Solving other problems	135
Calling for service	135
Administration	136
Disabling control panel menus	136
Enabling menus	136
Restoring factory defaults	137
Linking trays	137
Disabling tray linking	138
Removing the MFP from an optional drawer	138
Removing optional cards	139
Understanding fonts	145
Typefaces and fonts	145
Bitmapped and scalable fonts	147
Resident fonts	148
Using the MFP control panel and menus	154
Understanding the MFP control panel	154
Home screen	155
Buttons	155
Menus	158
Menu tree	158
Administration	164
Copy	211
Fax	215
E-mail	219
Print/Profiles	223
Managing shortcuts - creating, entering, deleting	224
Creating a fax shortcut	224
Creating an e-mail or FTP shortcut	224
Entering shortcuts	224
Deleting shortcuts	224
Understanding the MFP control panel messages	225
MFP messages	225