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Lexmark C752 User Reference - Page 146

Solving color quality problems, Frequently asked questions (FAQ) about color printing - color laser

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Symptom Cause Solution Skewed print (Print is inappropriately slanted.) Guides in the selected tray are not Move the guides in the tray to the proper positions in the correct position for the for the size loaded. paper size loaded in the tray. Blank pages • An incorrect media type is loaded in the tray being printed from or the Paper Type setting does not match the type of media loaded in the tray. • The print cartridges are defective or empty. • The transfer roller is defective. • The image transfer unit is defective. • Load the correct type media for your print job or make sure the Paper Type setting is correct for the paper or specialty media you are using. • Replace the print cartridges. • Replace the transfer roller. • Replace the image transfer unit. Solid color pages • The print cartridges are • Replace the print cartridges. defective. • Call for service. • Your printer requires servicing. The paper curls The Texture setting is wrong for badly once it prints the type of paper or specialty and exits to a bin. media you are using. Change Paper Texture from Rough to Normal or Smooth. Solving color quality problems This section helps answer some basic color-related questions and describes how some of the features provided in the Color Menu can be used to solve typical color problems. Note: You should also read "Solving print quality problems" on page 142, which provides solutions for common print quality problems, some of which may affect the color quality of the printed output. Frequently asked questions (FAQ) about color printing What is RGB color? Red, green, and blue light can be added together in various amounts to produce a large range of colors observed in nature. For example, red and green light can be combined to create yellow light. Televisions and computer monitors create colors in this manner. RGB color is a method of describing colors by indicating the amount of red, green, and blue light needed to reproduce a particular color. What is CMYK color? Cyan, magenta, yellow, and black inks or toners can be printed in various amounts to produce a large range of colors observed in nature. For example, cyan and yellow can be combined to create green. Printing presses, inkjet printers, and color laser printers create colors in this manner. CMYK color is a method of describing colors by indicating the amount of cyan, magenta, yellow, and black needed to reproduce a particular color. 146

Section	Page
Table of contents	2
Notices	5
Edition notice	5
Edition:June2003	5
Trademarks	6
Licensing notice	7
Safety information	8
Cautions and warnings	8
Electronic emission notices	9
With a network cable or high-capacity output finisher installed	9
Japanese VCCI notice	10
The United Kingdom Telecommunications Act 1984	10
Without a network cable or high-capacity output finisher installed	10
Japanese VCCI notice	11
The United Kingdom Telecommunications Act 1984	11
Noise emission levels	11
Energy Star	12
Laser notice	12
Printer overview	13
Printing	15
Understanding the printer operator panel	16
Operator panel buttons	16
Sending a job to print	17
Canceling a print job	18
From the printer operator panel	18
From the Windows taskbar	18
From a Windows desktop	18
From a Macintosh computer	18
Loading the trays	19
Loading 500sheet trays	19
Loading the 2000sheet tray	22
Loading the multipurpose feeder	24
Printing on specialty media (transparencies, labels, other)	26
Linking trays	27
Linking bins	27
Holding a job in the printer	28
Printing and deleting held jobs	28
Accessing held jobs from the operator panel	28
Recognizing when format errors occur	29
Repeat Print	29
Reserve Print	29
Verify Print	29
Confidential jobs	30
Tips for successful printing	31
Storing paper	31
Storing supplies	31
Avoiding jams	32
Understanding fonts	33
Resident fonts	33
Symbol sets	38
Resident symbol sets	38
Printing sample fonts	40
Paper and specialty media specifications	41
Using printer menus	42
Color Menu	43
Color Adjust	43
Color Balance	43
Color Correction	43
Color Samples	44
Color Saver	44
Manual Color	45
Print Mode	45
Print Resolution	45
Toner Darkness	46
Finishing Menu	46
Blank Pages	46
Collation	46
Copies	46
Duplex	46
Duplex Bind	47
Hole Punch	47
Multipage Border	47
Multipage Order	47
Multipage Print	47
Multipage View	48
Offset Pages	48
Separator Sheets	48
Separator Source	48
Staple Job	48
Staple Prime Src	48
Help Menu	49
Print All	49
Help Guide	49
Printing Guide	49
Supplies Guide	49
Print Quality	49
Color Quality	49
Media Guide	49
Connection Guide	49
Moving Guide	49
Print Defects	49
Jam Clearance	49
Job Menu	49
Cancel Fax	49
Cancel Job	49
Confidential Job	50
Held Jobs	50
Print Buffer	50
Reset Active Bin	51
Reset Printer	51
Network Menu	51
Job Buffering	51
MAC Binary PS	51
Network Buffer	51
Network <x> Setup	51
NPA Mode	52
PCL SmartSwitch	52
PS SmartSwitch	52
Std Net Setup	52
Parallel Menu	53
Advanced Status	53
Honor Init	53
Job Buffering	53
MAC Binary PS	53
NPA Mode	53
Parallel Buffer	54
Parallel Mode1	54
Parallel Mode2	54
PCL SmartSwitch	54
PS SmartSwitch	54
Protocol	54
PCL Emul Menu	55
A4 Width	55
Auto CR after LF	55
Auto LF after CR	55
Font Name	55
Font Source	55
Lines per Page	55
Orientation	56
Pitch	56
Point Size	56
Symbol Set	56
Tray Renumber	56
Paper Menu	57
Assign Type/ Bin	57
Configure Bins	57
Configure MP	58
Custom Types	58
Output Bin	58
Overflow Bin	58
Paper Loading	59
Paper Size	60
Paper Source	60
Paper Texture	61
Paper Type	62
Paper Weight	63
Substitute Size	63
Universal Setup	63
PostScript Menu	64
Font Priority	64
Image Smoothing	64
Print PS Error	64
Serial Menu	65
Baud	65
Data Bits	65
Honor DSR	65
Job Buffering	65
NPA Mode	66
Parity	66
PCL SmartSwitch	66
PS SmartSwitch	66
Robust XON	66
Serial Buffer	67
Serial Protocol	67
Setup Menu	67
Alarm Control	67
Auto Continue	67
Black & White Lock	67
Display Language	68
Download Target	68
Hole Punch Alarm	68
Jam Recovery	68
Job Accounting	69
Page Protect	69
Power Saver	69
Print Area	70
Print Timeout	70
Printer Language	70
Printer Usage	70
Resource Save	70
Staple Alarm	71
Toner Alarm	71
Wait Timeout	71
Supplies Menu	72
<color> Toner	72
Oiler	72
Waste Bottle	72
USB Menu	72
Job Buffering	72
MAC Binary PS	72
NPA Mode	73
PCL SmartSwitch	73
PS SmartSwitch	73
USB Buffer	73
Utilities Menu	74
Color Alignment	74
Coverage Estimator	74
Defragment Flash	74
Factory Defaults	74
Format Disk	74
Format Flash	74
Hex Trace	74
Job Acct Stat	75
Print Directory	75
Print Fonts	75
Print Menus	75
Print Net <x> Setup	75
Understanding printer messages	76
Clear paper jams	91
Understanding jam messages	92
Paper jam messages	92
Access doors and trays	93
Clearing the entire paper path	94
Area A	94
Area B	94
Area C	95
Area D	95
Area T1	96
Area E	96
Area T<x>	96
Area J	97
Area K	97
Area L	97
Clearing mailbox or output expander jams (Area M)	98
Clearing fuser jams	99
Clearing image transfer unit jams	100
Clearing finisher jams (Areas 1–6)	106
If you still need help	106
Maintenance	107
Determining the status of supplies	108
Conserving supplies	108
Ordering supplies and maintenance items	109
Ordering a fuser	109
Ordering a web oiler	109
Ordering an image transfer unit and transfer roller	109
Ordering a print cartridge	109
Recycling used supplies	110
Refilled print cartridge notice	110
Mail return directions	110
Replacing print cartridges	111
Replacing the fuser	114
Replacing the toner waste container	116
Replacing the image transfer unit and transfer roller	118
Removing memory and option cards	128
Accessing the printer system board	128
Removing memory cards	129
Removing an option card	130
Removing a hard disk	131
Removing a firmware card	132
Reinstalling the system board access cover	133
Troubleshooting	134
Calling for service	135
Checking an unresponsive printer	135
Printing a menu settings page	135
Changing menu settings	136
Disabling Power Saver	137
Disabling the operator panel menus	137
Enabling the menus	138
Printing multi-language PDFs	138
Solving printing problems	139
Solving mailbox problems	140
Solving option problems	141
Solving paper feed problems	141
Solving print quality problems	142
Solving color quality problems	146
Frequently asked questions (FAQ) about color printing	146
Restoring factory default settings	150
Aligning the image transfer unit	151
Using the Coverage Estimator	152
Configuring printer alerts	153
Using the Setup Menu	153
Using MarkVision Professional	153
Using MarkVision Messenger	153
Size sensing	154
Disabling size sensing	154

Match case Limit results 1 per page

146

Solving color quality problems

This section helps answer some basic color-related questions and describes how some of the features

provided in the Color Menu can be used to solve typical color problems.

Note:

You should also read “Solving print quality problems” on page 142, which provides

solutions for common print quality problems, some of which may affect the color quality

of the printed output.

Frequently asked questions (FAQ) about color printing

What is RGB color?

Red, green, and blue light can be added together in various amounts to produce a large range of colors

observed in nature. For example, red and green light can be combined to create yellow light. Televisions

and computer monitors create colors in this manner. RGB color is a method of describing colors by

indicating the amount of red, green, and blue light needed to reproduce a particular color.

What is CMYK color?

Cyan, magenta, yellow, and black inks or toners can be printed in various amounts to produce a large

range of colors observed in nature. For example, cyan and yellow can be combined to create green.

Printing presses, inkjet printers, and color laser printers create colors in this manner. CMYK color is a

method of describing colors by indicating the amount of cyan, magenta, yellow, and black needed to

reproduce a particular color.

Skewed print

(Print is inappropriately

slanted.)

Guides in the selected tray are not

in the correct position for the

paper size loaded in the tray.

Move the guides in the tray to the proper positions

for the size loaded.

Blank pages

•

An incorrect media type is

loaded in the tray being printed

from or the Paper Type setting

does not match the type of

media loaded in the tray.

•

The print cartridges are

defective or empty.

•

The transfer roller is defective.

•

The image transfer unit is

defective.

•

Load the correct type media for your print job or

make sure the Paper Type setting is correct for

the paper or specialty media you are using.

•

Replace the print cartridges.

•

Replace the transfer roller.

•

Replace the image transfer unit.

Solid color pages

•

The print cartridges are

defective.

•

Your printer requires servicing.

•

Replace the print cartridges.

•

Call for service.

The paper curls

badly once it prints

and exits to a bin.

The Texture setting is wrong for

the type of paper or specialty

media you are using.

Change Paper Texture from Rough to Normal or

Smooth.

Symptom

Cause

Solution