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Lexmark C748 User's Guide - Page 240

Check the background darkness or removal setting

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Troubleshooting 240 CHECK THE BACKGROUND DARKNESS OR REMOVAL SETTING • Adjust the darkness to a lighter setting. • Increase the background removal setting. MAKE SURE THERE IS NO WORN OR DEFECTIVE PRINT OR TONER CARTRIDGE Replace the worn or defective cartridge. Incorrect margins ABCD ABCD ABCD These are possible solutions. Try one or more of the following: CHECK THE PAPER GUIDES Move the guides in the tray to the correct positions for the paper size loaded. CHECK THE PAPER SIZE SETTING Make sure the paper size setting matches the paper loaded in the tray: 1 From the printer control panel Paper menu, check the Paper Size setting. 2 Before sending the job to print, specify the correct size setting: • For Windows users, specify the size from Print Properties. • For Macintosh users, specify the size from the Page Setup dialog. Light colored line, white line, or incorrectly colored line appears on prints ABCDE ABCDE Try one or more of the following: ABCDE ABCDE ABCDE

Section	Page
Contents	2
Safety information	11
Overview	13
Understanding this User’s Guide	13
Finding information about the printer	13
Additional printer setup	15
Installing internal options	15
Available internal options	15
Accessing the system board	16
Installing a memory card	18
Installing a flash memory or firmware card	20
Installing an Internal Solutions Port	22
Installing a printer hard disk	26
Removing a printer hard disk	30
Installing hardware options	31
Order of installation	31
Installing optional drawers	32
Attaching cables	33
Setting up the printer software	34
Installing the printer software	34
Updating available options in the printer driver	34
Networking	35
Preparing to set up the printer on a wireless network	35
Installing the printer on a wireless network (Windows)	36
Installing the printer on a wireless network (Macintosh)	38
Installing the printer on a wired network	40
Changing port settings after installing a new network Internal Solutions Port	42
Verifying printer setup	44
Using C746x	45
Learning about the printer	45
Selecting a location for the printer	45
Printer configurations	46
Using the four-arrow-button printer control panel	47
Loading paper and specialty media	48
Setting the paper size and type	48
Configuring Universal paper settings	48
Loading the standard or an optional 550-sheet tray	49
Loading the optional 550-sheet special media tray	52
Loading the 2,000-sheet high-capacity feeder	57
Loading the multipurpose feeder	60
Linking and unlinking trays	63
Unlinking trays	63
Linking trays	63
Creating a custom name for a paper type	64
Assigning a custom paper type name	64
Configuring a custom name	64
Printing	65
Printing a document	65
Printing a document	65
Printing in black and white	65
Adjusting toner darkness	65
Using Max Speed and Max Yield	66
Printing from a mobile device	66
Printing from a flash drive	67
Printing from a flash drive	67
Supported flash drives and file types	68
Printing confidential and other held jobs	68
Storing print jobs in the printer	68
Printing confidential and other held jobs	69
Printing information pages	70
Printing a font sample list	70
Printing a directory list	70
Canceling a print job	70
Canceling a print job from the printer control panel	70
Canceling a print job from the computer	71
Managing your printer	71
Finding advanced networking and administrator information	71
Checking the virtual display	71
Printing a menu settings page	72
Printing a network setup page	72
Checking the status of parts and supplies	72
Checking the status of parts and supplies on the printer control panel	72
Checking the status of parts and supplies from the Embedded Web Server	72
Saving energy	73
Using Eco-mode	73
Reducing printer noise	73
Adjusting Sleep mode	74
Using Hibernate Mode	74
Restoring factory default settings	75
Securing the printer	76
Locking the system board	76
Statement of Volatility	76
Erasing volatile memory	77
Erasing non-volatile memory	77
Erasing printer hard disk memory	77
Configuring printer hard disk encryption	78
Finding printer security information	79
Using C748x	80
Learning about the printer	80
Selecting a location for the printer	80
Printer configurations	81
Using the touch-screen printer control panel	82
Understanding the home screen	83
Using the touch-screen buttons	84
Setting up and using the home screen applications	86
Accessing the Embedded Web Server	86
Showing or hiding icons on the home screen	87
Activating the home screen applications	87
Using Background and Idle Screen	87
Setting up Forms and Favorites	88
Understanding Eco-Settings	88
Understanding Showroom	88
Setting up Remote Operator Panel	89
Exporting and importing a configuration	89
Loading paper and specialty media	90
Setting the paper size and type	90
Configuring Universal paper settings	90
Loading the standard or an optional 550-sheet tray	91
Loading the optional 550-sheet special media tray	94
Loading the 2,000-sheet high-capacity feeder	99
Loading the multipurpose feeder	102
Linking and unlinking trays	104
Unlinking trays	104
Linking trays	105
Creating a custom name for a paper type	105
Assigning a custom paper type name	105
Configuring a custom name	106
Printing	106
Printing forms	106
Printing a document	106
Printing a document	106
Printing in black and white	107
Adjusting toner darkness	107
Using Max Speed and Max Yield	108
Printing from a mobile device	108
Printing from a flash drive	109
Printing from a flash drive	109
Supported flash drives and file types	110
Printing confidential and other held jobs	110
Storing print jobs in the printer	110
Printing confidential and other held jobs	111
Printing information pages	112
Printing a font sample list	112
Printing a directory list	112
Canceling a print job	112
Canceling a print job from the printer control panel	112
Canceling a print job from the computer	113
Managing your printer	113
Finding advanced networking and administrator information	113
Checking the virtual display	113
Printing a menu settings page	114
Printing a network setup page	114
Checking the status of parts and supplies	114
Checking the status of parts and supplies on the printer control panel	114
Checking the status of parts and supplies from the Embedded Web Server	114
Saving energy	115
Using Eco-Mode	115
Reducing printer noise	115
Adjusting Sleep mode	116
Using Hibernate Mode	117
Adjusting the brightness of the display	117
Restoring factory default settings	118
Securing the printer	118
Locking the system board	118
Statement of Volatility	119
Erasing volatile memory	119
Erasing non-volatile memory	119
Erasing printer hard disk memory	120
Configuring printer hard disk encryption	121
Finding printer security information	122
Paper and specialty media guidelines	123
Using specialty media	123
Tips on using letterhead	123
Tips on using transparencies	123
Tips on using envelopes	124
Tips on using labels	124
Tips on using card stock	125
Paper guidelines	125
Paper characteristics	125
Unacceptable paper	126
Selecting paper	127
Selecting preprinted forms and letterhead	127
Using recycled paper and other office papers	127
Storing paper	128
Supported paper sizes, types, and weights	128
Supported paper sizes	128
Supported paper types and weights	130
Understanding printer menus	132
Menus list	132
Supplies menu	133
Paper menu	135
Default Source menu	135
Paper Size/Type menu	135
Configure MP menu	138
Substitute Size menu	139
Paper Texture menu	139
Paper Weight menu	141
Paper Loading menu	142
Custom Types menu	144
Custom Names menu	144
Universal Setup menu	145
Reports menu	145
Reports menu	145
Network/Ports menu	146
Active NIC menu	146
Standard Network or Network [x] menus	146
Reports menu	148
Network Card menu	148
TCP/IP menu	149
IPv6 menu	150
Wireless menu	151
AppleTalk menu	151
Standard USB menu	152
Parallel [x] menu	153
Serial [x] menu	155
SMTP Setup menu	158
Security menu	159
Miscellaneous Security Settings menu	159
Confidential Print menu	160
Disk Wiping menu	160
Security Audit Log menu	161
Set Date and Time menu	162
Settings menu	163
General Settings menu	163
Flash Drive menu	170
Setup menu	172
Finishing menu	174
Quality menu	175
Job Accounting menu	178
Utilities menu	180
XPS menu	181
PDF menu	181
PostScript menu	181
PCL Emul menu	182
HTML menu	184
Image menu	185
Help menu	186
Saving money and the environment	187
Saving paper and toner	187
Using recycled paper	187
Conserving supplies	187
Recycling	188
Recycling Lexmark products	188
Recycling Lexmark packaging	188
Returning Lexmark cartridges for reuse or recycling	188
Maintaining the printer	189
Ordering parts and supplies	189
Ordering a toner cartridge	189
Ordering a photoconductor	189
Ordering a fuser or a transfer module	190
Ordering a waste toner bottle	190
Using genuine Lexmark parts and supplies	190
Storing supplies	191
Replacing parts and supplies	191
Replacing a toner cartridge	191
Replacing the waste toner bottle	193
Replacing a photoconductor	194
Resetting the maintenance counter	197
Cleaning the the printer parts	198
Cleaning the interior of the printer	198
Cleaning the exterior of the printer	198
Cleaning the printhead lenses	198
Moving the printer	200
Before moving the printer	200
Moving the printer to another location	200
Shipping the printer	200
Clearing jams	201
Avoiding jams	201
Understanding jam numbers and locations	202
200–201 paper jams	203
202–203 paper jams	208
24x paper jam	212
250 paper jam	213
Troubleshooting	214
Solving basic printer problems	214
Understanding printer messages	214
An error has occurred with the USB drive. Please remove and reinsert drive.	214
Change [paper source] to [custom type name]	214
Change [paper source] to [custom type name] load [orientation]	215
Change [paper source] to [custom string]	215
Change [paper source] to [custom string] load [orientation]	215
Change [paper source] to [paper size]	215
Change [paper source] to [paper size] load [orientation]	215
Change [paper source] to [paper type] [paper size]	216
Change [paper source] to [paper type] [paper size] load [orientation]	216
Close front door	216
Disk corrupted	216
Disk near full. Securely clearing disk space.	216
Disk problem	216
Error reading USB drive. Remove USB.	217
Insert Tray [x]	217
Install Tray [x]	217
Load [paper source] with [custom type name]	217
Load [paper source] with [custom string]	217
Load [paper source] with [paper size]	218
Load [paper source] with [paper type] [paper size]	218
Load manual feeder with [custom type name]	218
Load manual feeder with [custom string]	218
Load manual feeder with [paper size]	219
Load manual feeder with [paper type] [paper size]	219
Paper changes needed	219
Remove packaging material, [area name]	219
Remove paper from standard output bin	219
Restore held jobs?	220
Some held jobs were not restored	220
Supply needed to complete job	220
Tray [x] paper size unsupported	220
Unsupported disk	220
31.xx Missing or defective [color] cartridge	220
32.xx [Color] cartridge part number unsupported by device	220
34 Incorrect paper size, open [paper source]	221
35 Insufficient memory to support Resource Save feature	221
36 Printer service required	221
37 Insufficient memory for Flash Memory Defragment operation	221
37 Insufficient memory to collate job	222
37 Insufficient memory, some Held Jobs were deleted	222
37 Insufficient memory, some held jobs will not be restored	222
38 Memory full	222
39 Complex page, some data may not have printed	222
51 Defective flash detected	222
52 Not enough free space in flash memory for resources	223
53 Unformatted flash detected	223
54 Network [x] software error	223
54 Serial option [x] error	223
54 Standard network software error	223
55 Unsupported option in slot [x]	224
56 Parallel port [x] disabled	224
56 Serial port [x] disabled	224
56 Standard USB port disabled	224
56 USB port [x] disabled	224
57 Configuration change, some held jobs were not restored	225
58 Input config error	225
58 Too many disks installed	225
58 Too many flash options installed	225
58 Too many trays attached	226
59 Incompatible tray [x]	226
61 Remove defective disk	226
62 Disk full	226
80.xx Fuser near life warning	226
80.xx Fuser life warning	227
80.xx Replace fuser	227
80.xx Fuser missing	227
82.xx Waste toner bottle nearly full	227
82.xx Replace waste toner bottle	227
82.xx Waste toner bottle missing	227
83.xx Transfer module life warning	228
83.xx Transfer module missing	228
83.xx Replace transfer module	228
83.xx Transfer module near life warning	228
84.xx [Color] photoconductor nearly low	228
84.xx [Color] photoconductor low	228
84.xx Replace [color] photoconductor	229
84.xx [Color] photoconductor missing	229
88.xx [color] cartridge nearly low	229
88.xx [color] cartridge low	229
88.xx [Color] cartridge critically low	230
88.xx [Color] cartridge very low	230
Solving printing problems	230
Confidential and other held jobs do not print	230
Partial job, no job, or blank page prints	230
Make sure the printer has sufficient memory	230
Error message about reading USB drive appears	230
Incorrect characters print	231
Job prints from the wrong tray or on the wrong paper	231
Check the paper type and paper size settings	231
Large jobs do not collate	231
Make sure Collate is set to On	231
Reduce the complexity of the print job	231
Make sure the printer has enough memory	231
Multiple-language PDF files do not print	231
Print jobs do not print	232
Make sure there is no problem with your printer	232
Make sure the printer is ready to print	232
Check if a supply is missing or needs replacement	232
Check if the standard exit bin is full	232
Check if the paper tray is empty	232
Make sure the correct printer software is installed	232
Make sure the internal print server is working properly	232
Make sure you are using a recommended USB, serial, or Ethernet cable	232
Make sure printer cables are securely connected	232
Print job takes longer than expected	233
Reduce the complexity of the print job	233
Turn off the Page Protect setting	233
Change the environmental settings	233
Printing slows down	233
Make sure to use paper not narrow enough to invoke the slowdown mode	233
Contact customer support	233
Printer display is blank	233
Tray linking does not work	234
Load the same size and type of paper	234
Use the same Paper Size and Paper Type settings	234
Unexpected page breaks	234
Increase the Print Timeout value	234
Solving home screen applications problems	234
An application error has occurred	234
Check the system log for relevant details	234
Contact customer support	235
Solving option problems	235
2,000-sheet drawer problems	235
Check the drawer connection	235
Load paper	235
Clear any jams	235
Avoid paper jams	235
Cannot detect flash memory card	235
Cannot detect printer hard disk	235
Internal print server does not operate correctly	235
Check the print server connections	235
Make sure the network software is configured correctly	236
Internal Solutions Port does not operate correctly	236
Check the Internal Solutions Port (ISP) connections	236
Check the cable	236
Make sure the network software is configured correctly	236
Memory card	236
Option does not operate correctly or quits after it is installed	236
Reset the printer	236
Check to see if the option is connected to the printer	236
Make sure the option is installed correctly	236
Make sure the option is selected	237
Paper tray problems	237
Make sure the paper is loaded correctly	237
Reset the printer	237
Make sure the paper tray is installed correctly	237
USB/parallel interface card does not operate correctly	237
Check the USB/parallel interface card connection	237
Check the cable	237
Solving paper feed problems	237
Paper frequently jams	237
Check the paper	237
Make sure there is not too much paper in the paper tray	238
Make sure the entire paper stack is sitting flat in the tray	238
Check the paper guides	238
Load paper from a fresh package	238
Paper jam message remains after jam is cleared	238
Jammed pages are not reprinted	238
Turn on Jam Recovery	238
Solving print quality problems	239
Characters have jagged or uneven edges	239
Clipped images	239
Check the guides	239
Check the paper size setting	239
Gray background on prints	239
Check the background darkness or removal setting	240
Make sure there is no worn or defective print or toner cartridge	240
Incorrect margins	240
Check the paper guides	240
Check the paper size setting	240
Light colored line, white line, or incorrectly colored line appears on prints	240
Make sure there is no defective print or toner cartridge	241
Make sure the transfer module is not defective	241
Paper curl	241
Check the paper type and weight settings	241
Load paper from a fresh package	241
Print irregularities	241
Load paper from a fresh package	241
Check the paper type and weight settings	242
Avoid textured paper with rough finishes	242
Make sure there is no defective print or toner cartridge	242
Make sure the transfer module is not defective	242
Make sure the fuser is not defective	242
Print is too dark	242
Check the darkness, brightness, and contrast settings	242
Load paper from a fresh package	243
Avoid textured paper with rough finishes	243
Check the Paper Type setting	243
Print is too light	243
Check the darkness, brightness, and contrast settings	243
Load paper from a fresh package	243
Avoid textured paper with rough finishes	243
Check the Paper Type setting	244
Make sure the print or toner cartridge is not low on toner	244
Contact customer support	244
Printer is printing blank pages	244
Make sure there is no packing material left on the print or toner cartridge	244
Make sure the print or toner cartridge is not low on toner	244
Contact customer support	245
Repeating defects appear on prints	245
Replace the print or toner cartridge	245
Replace the photoconductor	245
Replace the fuser	245
Shadow images appear on prints	245
Check the paper type and weight settings	246
Make sure the photoconductor is not defective	246
Make sure the print or toner cartridge is not low on toner	246
Contact customer support	246
Skewed print	246
Check the paper guides	246
Check the paper	246
Solid color or black pages appear on prints	246
Make sure the photoconductor is not defective and is installed correctly	247
Make sure the print or toner cartridges are installed correctly, are not defective, and not low on toner	247
Contact customer support	247
Streaked horizontal lines appear on prints	247
Select another tray or feeder	247
Make sure there is no worn, defective, or empty print or toner cartridge	247
Streaked vertical lines appear on prints	248
Select another tray or feeder	248
Make sure there is no worn, defective, or empty print or toner cartridge	248
Make sure the transfer module is not worn or defective	248
Toner fog or background shading appears on the page	248
Make sure the print or toner cartridge is installed correctly or is not defective	248
Make sure the transfer module is not worn or defective	248
Make sure the photoconductor is not worn or defective	248
Make sure the fuser is not worn or defective	248
Make sure the printer has been recalibrated recently	248
Make sure the application has not specified an off-white background	249
Make sure no toner is in the paper path	249
Toner rubs off	249
Check the paper type and weight settings	249
Check the paper texture setting	249
Make sure the fuser is not worn or defective	249