C746x and C748x
November
Contents
Using C748x
Paper and specialty media guidelines 124
Understanding printer menus 133
Saving money and the environment 188
Troubleshooting 215
Maintaining the printer 190
Clearing jams 202
216
217
218
219
Solving printing problems
225
226
227
Solving option problems
Solving paper feed problems
Solving print quality problems
Solving color quality problems
257
Index 271
Safety information
Safety information
Safety information
Using this guide
Finding information about the printer
Overview
Site at http//support.lexmark.com
Other countries and regions -See the printed
Installing internal options
Additional printer setup
Available internal options
Accessing the system board
Reattach the system board cover
Dust cover
Installing a memory card
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Installing a flash memory or firmware card
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Installing an Internal Solutions Port
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Installing a printer hard disk
To install a printer hard disk onto the ISP
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Additional printer setup Reattach the system board cover
Removing a printer hard disk
Installing hardware options
Order of installation
Installing optional drawers
Attaching cables
Turn the printer back on
Setting up the printer software
Installing the printer software
Updating available options in the printer driver
For Windows users
Preparing to set up the printer on an Ethernet network
Networking
For Macintosh users
Preparing to set up the printer on a wireless network
Installing the printer on a wireless network Windows
Installing the printer on a wireless network Macintosh
Prepare to configure the printer
Reports Network Setup Page or
Enter the printer information
Mac OS X version 10.5 or later
Applications Internet Connect AirPort
Configure the printer for wireless access
Configure your computer to use the printer wirelessly
Installing the printer on an Ethernet network
Double‑click Printer Setup Utility or Print Center
Click Default Browser tab More Printers
For Windows users
For Macintosh users
Select Ethernet connection, and then click Continue
Mac OS X version 10.4 or earlier
For Windows users
Verifying printer setup
Using C746x
Learning about the printer
Selecting a location for the printer
Printer configurations
Multipurpose feeder
Using the four-arrow-button printer control panel
Use
Setting the paper size and type
Configuring Universal paper settings
Settings Paper Menu Paper Size/Type
Loading paper and specialty media
Loading the standard or an optional 550‑sheet tray
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Insert the tray
One ‑sided printing Two ‑sided printing
Page
Loading the optional 550‑sheet special media tray
Loading narrow paper sizes such as envelopes and A6
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Loading the 2,000‑sheet high‑capacity feeder
One ‑sided printing Two ‑sided printing
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Loading the multipurpose feeder
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Click Settings Paper Menu
Linking and unlinking trays
Unlinking trays
Settings Paper Menu Custom Names type a name Submit
Linking trays
Creating a custom name for a paper type
Assigning a custom paper type name
Configuring a custom name
Printing
Printing a document
Printing a document
Adjusting toner darkness
Using Max Speed and Max Yield
Printing in black and white
Using the printer control panel
Settings Settings Print Settings Setup Menu
Printing from a flash drive
Printing from a mobile device
Supported flash drives and file types
Flash drive File type
Settings Security
Printing confidential and other held jobs
Storing print jobs in the printer
Printing confidential and other held jobs
Settings Reports Print Fonts
Settings Reports Print Directory
Printing information pages
Printing a font sample list
Canceling a print job
Finding advanced networking and administrator information
Canceling a print job from the printer control panel
Canceling a print job from the computer
Printing a menu settings
Printing a network setup
Checking the virtual display
Checking the status of parts and supplies
Using Eco‑mode
Saving energy
Reducing printer noise
Click Device Status More Details
Adjusting Sleep mode
Click Settings General Settings Timeouts
Settings Settings General Settings Timeouts Sleep Mode
Restoring factory default settings
Using Hibernate Mode
Click Settings General Settings Sleep Button Settings
Securing the printer
Locking the system board
Statement of Volatility
Disposing of a printer hard disk
Back Exit Config Menu
Erasing volatile memory
Erasing non‑volatile memory
Erasing printer hard disk memory
Configuring printer hard disk encryption
Click Settings Security Disk Encryption
Using C746x Navigate to
Disk Encryption Enable
Finding printer security information
Using C748x
Using C748x
Printer configurations
Using the touch‑screen printer control panel
Using C748x
Understanding the home screen
Using the touch-screen buttons
Features
This may also appear on the home screen
Sample touch screen
Setting up and using the home screen applications
Accessing the Embedded Web Server
Using Background and Idle Screen
Showing or hiding icons on the home screen
Activating the home screen applications
Setting up Forms and Favorites
Understanding Eco‑Settings
Understanding Showroom
Exporting and importing a configuration
Setting up Remote Operator Panel
Exporting a configuration to a file
Importing a configuration from a file
Click Configure Import
Select the width or height, and then touch
Loading the standard or an optional 550‑sheet tray
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One ‑sided printing Two ‑sided Duplex printing
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Loading the optional 550‑sheet special media tray
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Using C748x 101
One ‑sided printing Two ‑sided printing
Page
Using C748x 104
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Linking and unlinking trays
Settings Paper Menu Custom Name type a name Submit
Click Settings Paper Menu Custom Names
Printing forms
Using C748x 109
Click Properties, Preferences, Options, or Setup
Adjust the settings, if necessary Click OK Print
Settings Print Settings Quality Menu Print Mode Black Only
Using C748x 110
Settings Print Settings Setup Menu
Using C748x 111
Printing confidential and other held jobs
Using C748x 113
Using C748x 114
Reports Print Fonts Touch PCL Fonts or PostScript Fonts
Reports Print Directory
Using C748x 115
Reports Menu Settings
Using C748x 116
Reports Network Setup
Click Settings General Settings Eco‑Mode select a setting
From the home screen, touch Status/Supplies View Supplies
Using C748x 117
Click Settings General Settings Quiet Mode select a setting
Using C748x 118
Settings General Settings Timeouts Sleep Mode
Adjusting the brightness of the display
Using C748x 119
Click Settings General Settings
Settings General Settings Screen Brightness
Using C748x 120
Settings General Settings Factory Defaults Restore Now
Touch Wipe All Settings
Touch Back Exit Config Menu
Printer will restart several times during this process
Using C748x 122
From the Disk encryption menu, select Enable
Touch Disk Encryption Enable
Using specialty media
Tips on using letterhead
Paper and specialty media guidelines 124
Tips on using transparencies
Tips on using envelopes
Tips on using labels
Paper and specialty media guidelines 125
Page
Unacceptable paper
Using recycled paper and other office papers
Selecting paper
Selecting preprinted forms and letterhead
Supported paper sizes, types, and weights
Storing paper
Supported paper sizes
Paper and specialty media guidelines 130
JIS B5
Supported paper types and weights
Printer supports 60-220‑g/m216-58‑lb paper weights
Paper and specialty media guidelines 132
Supplies Menu Paper Menu Reports Settings
Menus list
Understanding printer menus 133
Security Network/Ports
Supplies menu
Understanding printer menus 134
Understanding printer menus 135
Default Source menu
Paper menu
Paper Size/Type menu
Understanding printer menus 136
Understanding printer menus 137
Tray x Type
MP Feeder Size
Understanding printer menus 138
MP Feeder Type
Manual Paper Size
Configure MP menu
Understanding printer menus 139
Substitute Size menu
Paper Texture menu
Understanding printer menus 140
Understanding printer menus 141
Paper Weight menu
Understanding printer menus 142
Paper Loading menu
Understanding printer menus 143
Understanding printer menus 144
Custom Types menu
Custom Names menu
Understanding printer menus 145
Universal Setup menu
Reports menu
Reports menu
Understanding printer menus 146
Network/Ports menu
Active NIC menu
Standard Network or Network x menus
Understanding printer menus 147
Understanding printer menus 148
To access the menu, navigate to any of the following
Network Card menu
Understanding printer menus 149
TCP/IP menu
Understanding printer menus 150
IPv6 menu
Understanding printer menus 151
Wireless menu
AppleTalk menu
Understanding printer menus 152
Standard USB menu
Understanding printer menus 153
View Name
Set Zone
Parallel x menu
Understanding printer menus 154
Understanding printer menus 155
Parallel Buffer
Serial x menu
Understanding printer menus 156
Understanding printer menus 157
Serial Buffer
Understanding printer menus 158
Robust XON
Baud
Data Bits
Smtp Setup menu
Understanding printer menus 159
Miscellaneous Security Settings menu
Security menu
Understanding printer menus 160
Confidential Print menu
Disk Wiping menu
Understanding printer menus 161
Security Audit Log menu
Understanding printer menus 162
Set Date and Time menu
Set Date and Time menu items and descriptions
Understanding printer menus 163
Settings menu
General Settings menu
Understanding printer menus 164
Display Language
Quiet Mode
Run Initial setup
Understanding printer menus 165
Keyboard
Understanding printer menus 166
Paper Sizes
Displayed Information
Understanding printer menus 167
Home screen customization
Date Format
Time Format
Understanding printer menus 168
Understanding printer menus 169
Print Recovery
Understanding printer menus 170
Press Sleep Button
Press and Hold Sleep Button
Flash Drive menu
Understanding printer menus 171
Understanding printer menus 172
Setup menu
Understanding printer menus 173
Understanding printer menus 174
Finishing menu
Understanding printer menus 175
Separator Source
Print Mode
Print Resolution
Quality menu
Understanding printer menus 176
Understanding printer menus 177
Understanding printer menus 178
Color Balance
Color Samples
Manual Color
Job Accounting menu
Understanding printer menus 179
Understanding printer menus 180
Utilities menu
Understanding printer menus 181
XPS menu
PostScript menu
Understanding printer menus 182
PCL Emul menu
Understanding printer menus 183
Understanding printer menus 184
Tray Renumber
Html menu
Understanding printer menus 185
Image menu
Understanding printer menus 186
Help menu
Understanding printer menus 187
Using recycled paper
Saving paper and toner
Conserving supplies
Recycling
Recycling Lexmark products
Recycling Lexmark packaging
Returning Lexmark cartridges for reuse or recycling
Ordering parts and supplies
Ordering a toner cartridge
Ordering a photoconductor
Recommended toner cartridges and part numbers
Using genuine Lexmark parts and supplies
Ordering a fuser or a transfer module
Ordering a waste toner bottle
Recommended part numbers
Replacing parts and supplies
Storing supplies
Replacing a toner cartridge
Maintaining the printer 192
Page
Replacing the waste toner bottle
Maintaining the printer 194
Replacing a photoconductor
123
Page
Resetting the maintenance counter
When a replace or low message appears
When a replace or low message does not appear
Settings Supplies Menu Replace Supply or
Cleaning the the printer parts
Cleaning the interior of the printer
Cleaning the exterior of the printer
Cleaning the printhead lenses
Page
Moving the printer
Before moving the printer
Moving the printer to another location
Shipping the printer
Avoiding jams
Load paper properly
Use recommended paper
Clearing jams 202
Understanding jam numbers and locations
230
250
Paper jams
Paper jam in the toner cartridge area
Clearing jams 204
Paper jam under the photoconductor units
Clearing jams 205
Paper jam in the fuser area
Clearing jams 206
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Paper jam in the fuser area
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Paper jam inside the top access cover
24x paper jam
Paper jam in Tray
Clearing jams 213
Paper jam
Paper jam in one of the optional trays
Clearing jams 214
Solving basic printer problems
Troubleshooting 215
Understanding printer messages
Change paper source to custom type name
Change paper source to custom type name load orientation
Change paper source to custom string
Change paper source to custom string load orientation
Change paper source to paper size
Disk problem
Change paper source to paper type paper size
Close front door
Disk corrupted
Error reading USB drive. Remove USB
Install Tray
Insert Tray
Load paper source with custom type name
Troubleshooting 219
Load paper source with paper size
Load paper source with paper type paper size
Load manual feeder with custom type name
Load manual feeder with paper size
Load manual feeder with paper type paper size
Paper changes needed
Remove packaging material, area name
Restore held jobs?
Some held jobs were not restored
Supply needed to complete job
Tray x paper size unsupported
Insufficient memory to support Resource Save feature
Printer service required
Troubleshooting 222
Incorrect paper size, open paper source
Insufficient memory, some held jobs will not be restored
Insufficient memory to collate job
Insufficient memory, some Held Jobs were deleted
Memory full
Network x software error
Serial option x error
Standard network software error
Not enough free space in flash memory for resources
Parallel port x disabled
Serial port x disabled
Standard USB port disabled
USB port x disabled
Configuration change, some held jobs were not restored
Input config error
Too many disks installed
Too many flash options installed
Too many trays attached
Incompatible tray
Remove defective disk
Disk full
Xx Fuser life warning
Xx Replace fuser
Xx Fuser missing
Xx Waste toner bottle nearly full
Xx Transfer module life warning
Xx Transfer module missing
Xx Replace transfer module
Xx Transfer module near life warning
Order a replacement for the specified toner cartridge
Xx Replace color photoconductor
Xx Color photoconductor missing
Xx color cartridge nearly low
Solving printing problems
Error message about reading USB drive appears
Xx Color cartridge critically low
Xx Color cartridge very low
Incorrect characters print
Job prints from the wrong tray or on the wrong paper
Large jobs do not collate
Print jobs do not print
Print job takes longer than expected
Printing slows down
Printer display is blank
Solving home screen applications problems
An application error has occurred
Tray linking does not work
Unexpected page breaks
Solving option problems
Sheet drawer problems
Cannot detect flash memory card
Cannot detect printer hard disk
Internal Solutions Port does not operate correctly
Memory card
Solving paper feed problems
Paper tray problems
USB/parallel interface card does not operate correctly
Paper frequently jams
Paper jam message remains after jam is cleared
Jammed pages are not reprinted
Solving print quality problems
Check the Paper Size Setting
Characters have jagged or uneven edges
Clipped images
Troubleshooting 241
Check the Background Darkness or Removal Setting
Gray background on prints
Incorrect margins
Troubleshooting 242
Check the Paper Type and Weight Settings
Paper curl
Make Sure There is no Defective Print or Toner Cartridge
Troubleshooting 243
Print irregularities
Make Sure the Fuser is not Defective
Troubleshooting 244
Check the DARKNESS, BRIGHTNESS, and Contrast Settings
Print is too dark
Troubleshooting 245
Print is too light
Make Sure the Print or Toner Cartridge is not LOW on Toner
Troubleshooting 246
Printer is printing blank pages
Troubleshooting 247
Repeating defects appear on prints
Replace the Print or Toner Cartridge
Replace the Photoconductor
Troubleshooting 248
Shadow images appear on prints
Skewed print
Make Sure the Photoconductor is not Defective
Troubleshooting 249
Paper Menu Default Source select a tray or feeder Submit
Solid color or black pages appear on prints
Streaked horizontal lines appear on prints
Streaked vertical lines appear on prints
Toner fog or background shading appears on
Make Sure the Transfer Module is not Worn or Defective
Make Sure the Photoconductor is not Worn or Defective
Check the Paper Texture Setting
Toner rubs off
Make Sure the Fuser is not Worn or Defective
Make Sure the Printer has Been Recalibrated Recently
Troubleshooting 252
Toner specks
Transparency print quality is poor
Check the Transparencies
Solving color quality problems
FAQ about color printing
What is RGB color?
Uneven print density
Troubleshooting 254
Printed page appears tinted. Can I adjust the color?
What is manual color correction?
Manual Color menu
Troubleshooting 255
What are detailed Color Samples and how do I access them?
Click Configuration Color Samples Detailed Options
Embedded Web Server does not open
Contacting customer support
Product information
Edition notice
257
November
Trademarks
258
Modular component notice
Licensing notices
259
Battery notice Static sensitivity notice
Noise emission levels
Product disposal
260
Temperature information
Mercury statement Laser notice
Laser advisory label
261
Power consumption
Product power consumption
262
Industry Canada compliance statement
Avis de conformité aux normes de l’industrie du Canada
Regulatory notices for wireless products
European Community EC directives conformity
Exposure to radio frequency radiation
Industry Canada Canada
265
266
ΤΗΣ Οδηγιασ 1999/5/ΕΚ
Limited warranty
Limited warranty service
Lexmark International, Inc., Lexington, KY
267
Extent of limited warranty
268
Patent acknowledgment
Limitation of liability
Additional rights
269
270
Numerics
Index 271
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