Lexmark C770n User Manual

							C770, C772
User’s Guide
October 2007
Lexmark and Lexmark with diamond design are trademarks of Lexmark International, Inc.,
registered in the United States and/or other countries.
© 2006 Lexmark International, Inc.
740 West New Circle Road
Lexington, Kentucky 40550
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Edition: March 2006
The following paragraph does not apply to any country where such provisions are inconsistent with local law: LEXMARK 
INTERNATIONAL, INC., PROVIDES THIS PUBLICATION “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR 
IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A 
PARTICULAR PURPOSE. Some states do not allow disclaimer of express or implied warranties in certain transactions; therefore, this 
statement may not apply to you. 
This publication could include technical inaccuracies or typographical errors. Changes are periodically made to the information herein; these 
changes will be incorporated in later editions. Improvements or changes in the products or the programs described may be made at any 
time. 
Comments about this publication may be addressed to Lexmark International, Inc., Department F95/032-2, 740 West New Circle Road, 
Lexington, Kentucky 40550, U.S.A. In the United Kingdom and Eire, send to Lexmark International Ltd., Marketing and Services 
Department, Westhorpe House, Westhorpe, Marlow Bucks SL7 3RQ. Lexmark may use or distribute any of the information you supply in 
any way it believes appropriate without incurring any obligation to you. You can purchase additional copies of publications related to this 
product by calling 1-800-553-9727. In the United Kingdom and Eire, call +44 (0)8704 440 044. In other countries, contact your point of 
purchase. 
References in this publication to products, programs, or services do not imply that the manufacturer intends to make these available in all 
countries in which it operates. Any reference to a product, program, or service is not intended to state or imply that only that product, 
program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any existing intellectual 
property right may be used instead. Evaluation and verification of operation in conjunction with other products, programs, or services, except 
those expressly designated by the manufacturer, are the user’s responsibility.
© 2006 Lexmark International, Inc.
All rights reserved.
UNITED STATES GOVERNMENT RIGHTS
This software and any accompanying documentation provided under this agreement are commercial computer software and documentation 
developed exclusively at private expense.
Trademarks
Lexmark MarkNet, and MarkVision are trademarks of Lexmark International, Inc., registered in the United States and/or other countries.
OptraImage is a trademark of Lexmark International, Inc.
PCL
® is a registered trademark of the Hewlett-Packard Company. PCL is Hewlett-Packard Company’s designation of a set of printer 
commands (language) and functions included in its printer products. This printer is intended to be compatible with the PCL language. This 
means the printer recognizes PCL commands used in various application programs, and that the printer emulates the functions 
corresponding to the commands. 
Details relating to compatibility are included in the Technical Reference.
Other trademarks are the property of their respective owners.
Safety information
•Connect the power cord to a properly grounded electrical outlet that is near the product and easily accessible.
•Refer service or repairs, other than those described in the operating instructions, to a professional service person.
•This product is designed, tested, and approved to meet strict global safety standards with the use of specific Lexmark components. 
The safety features of some parts may not always be obvious. Lexmark is not responsible for the use of other replacement parts.
•Your product uses a printing process that heats the print media, and the heat may cause the media to release emissions. You must 
understand the section in your operating instructions that discusses the guidelines for selecting print media to avoid the possibility of 
harmful emissions.CAUTION:Do not set up this product or make any electrical or cabling connections, such as the 
power cord or telephone, during a lightning storm.
CAUTION:To reduce the risk of injury from a hot component, allow the surface to cool before 
touching.
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							Contents
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Contents
Chapter 1: Installing and removing options  ..................................................................... 5
Installing a 2000-sheet drawer  ......................................................................................................................... 6
Installing a 500-sheet drawer  ........................................................................................................................... 7
Installing a duplex unit  ..................................................................................................................................... 8
Installing the printer  ......................................................................................................................................... 9
Installing an output expander  ........................................................................................................................... 9
Installing a 5-bin mailbox  ............................................................................................................................... 11
Installing a StapleSmart finisher .................................................................................................................... 12
Installing memory and option cards ............................................................................................................... 13
Removing memory and option cards ............................................................................................................. 18
Chapter 2: Printing ............................................................................................................24
Understanding the printer operator panel ...................................................................................................... 24
Sending a job to print  ..................................................................................................................................... 26
Printing from a USB flash memory device  ..................................................................................................... 27
Canceling a print job  ...................................................................................................................................... 28
Printing a menu settings page  ....................................................................................................................... 29
Printing a network setup page  ....................................................................................................................... 29
Printing a font sample list  ............................................................................................................................... 30
Printing a directory list  ................................................................................................................................... 30
Loading the trays  ........................................................................................................................................... 30
Loading the multipurpose feeder  ................................................................................................................... 35
Printing on specialty media (transparencies, labels, other) ........................................................................... 37
Linking trays ................................................................................................................................................... 38
Linking output bins  ......................................................................................................................................... 39
Holding a job in the printer  ............................................................................................................................. 39
Printing confidential jobs  ................................................................................................................................ 40
Tips for successful printing  ............................................................................................................................ 44
Chapter 3: Media specifications  ...................................................................................... 46
Media guidelines  ............................................................................................................................................ 46
Storing paper  ................................................................................................................................................. 48
Storing media ................................................................................................................................................. 52
Identifying media sources and specifications ................................................................................................. 52
Chapter 4: Maintaining the printer  .................................................................................. 58
Determining the status of supplies  ................................................................................................................. 58
Conserving supplies  ...................................................................................................................................... 59
Ordering supplies  ........................................................................................................................................... 59
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Contents
Print cartridges  ............................................................................................................................................... 59
Toner waste container  ................................................................................................................................... 60
Fuser and ITU  ................................................................................................................................................ 60
Recycling Lexmark products  .......................................................................................................................... 61
Chapter 5: Clearing paper jams  ....................................................................................... 62
Identifying jams  .............................................................................................................................................. 62
Access doors and trays  ................................................................................................................................. 63
Understanding jam messages  ....................................................................................................................... 64
Clearing the entire paper path  ....................................................................................................................... 65
Clearing mailbox, finisher, or output expander jams (Area M)  ....................................................................... 69
Clearing fuser jams  ........................................................................................................................................ 69
Clearing image transfer unit jams  .................................................................................................................. 71
If you still need help  ....................................................................................................................................... 77
Chapter 6: Administrative support  .................................................................................. 78
Adjusting operator panel brightness and contrast  ......................................................................................... 78
Disabling operator panel menus  .................................................................................................................... 78
Enabling operator panel menus  ..................................................................................................................... 79
Restoring factory default settings  .................................................................................................................. 79
Adjusting Power Saver  .................................................................................................................................. 80
Encrypting the disk  ........................................................................................................................................ 80
Setting security using the Embedded Web Server (EWS)  ............................................................................. 81
Black only mode  ............................................................................................................................................ 84
Using the Coverage Estimator  ....................................................................................................................... 85
Size sensing  .................................................................................................................................................. 85
Configuring printer alerts  ............................................................................................................................... 86
Chapter 7: Troubleshooting  ............................................................................................. 87
Online customer support  ................................................................................................................................ 87
Calling for service  .......................................................................................................................................... 87
Checking an unresponsive printer  ................................................................................................................. 87
Printing multi-language PDFs  ........................................................................................................................ 87
Solving printing problems  .............................................................................................................................. 88
Solving mailbox problems  .............................................................................................................................. 89
Solving option problems  ................................................................................................................................ 90
Solving paper feed problems  ......................................................................................................................... 92
Solving print quality problems  ........................................................................................................................ 92
Solving color quality problems  ....................................................................................................................... 97
Chapter 8: Notices  .......................................................................................................... 101
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							Installing and removing options
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1Installing and removing options
You can customize your printer memory capacity and connectivity by adding optional cards and input devices. You can 
also use these instructions to help you locate an option for removal. Install the printer and any options you have purchased 
in the following order:
CAUTION:If you are installing options after setting up the printer, turn the printer off and unplug the power cord 
before continuing.
•High capacity feeder (2000-sheet drawer)
•Optional drawers
•Duplex unit
•Printer
•Output options
The instructions in this section cover the following options:
Input options
•High capacity feeder (2000-sheet drawer)
•Optional drawers
•Duplex unit
Output options
•Output expander
•5-bin mailbox
•StapleSmart finisher
Internal options
•Memory cards
–Printer memory
–Flash memory
–Fonts
•Firmware cards
–Bar Code
–IPDS and SCS/TNe
–PrintCryption™
Note:Use a Phillips screwdriver to remove the system board access cover.
•Other internal options
–Printer hard disk
–RS-232 serial interface card
–Parallel 1284-B interface card
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							Installing a 2000-sheet drawer
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Installing and removing options
–MarkNet™ N8000 Series internal print servers (also called internal network adapters or INAs)
Note:Some options may not be available on some models.
Installing a 2000-sheet drawer
Your printer supports one optional 2000-sheet drawer.
Warning:If you have an optional duplex unit and a 2000-sheet drawer, you must install a 500-sheet drawer 
between the duplex unit and the 2000-sheet drawer.
1Unpack the 2000-sheet drawer and remove any packing material.
2Place the drawer in the location you have chosen for your printer.
3If you are installing a 500-sheet drawer on top of the 2000-sheet drawer, attach the stabilizing bars.
aPlace the two stabilizing bars on the ground, narrow side up.
bLower the 2000-sheet drawer onto the bars, making sure you align the holes in the drawer with the holes in 
the bars.
cScrew the bars into place using four screws (two screws for each bar).
4Adjust the four leveling feet on the bottom of the drawer, if necessary.
Note:You will install the power cord for the 2000-sheet drawer later.
5Continue with Installing a 500-sheet drawer.
Leveling feet
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							Installing a 500-sheet drawer
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Installing and removing options
Installing a 500-sheet drawer
Your printer supports up to three additional 500-sheet drawers. However, if you install a 2000-sheet drawer, you can only 
add one additional 500-sheet drawer.
Warning:If you have an optional duplex unit and a 2000-sheet drawer, you must install a 500-sheet drawer 
between the duplex unit and the 2000-sheet drawer.
1Unpack the 500-sheet drawer and remove any packing material.
2Place the drawer in the location you have chosen for your printer, or install it on another drawer. To install it on 
another drawer:
aAlign the holes in the 500-sheet drawer with the positioning posts on the lower drawer.
bLower the 500-sheet drawer into place. Make sure it is seated securely on the other drawer.
3If you are installing a 500-sheet drawer on top of a 2000-sheet drawer, secure the drawers with stabilizing screws.
aInsert the screws through the holes next to the positioning posts on the 500-sheet drawer.
bHand-tighten the screws.
Even when fully inserted, the screws allow some space between the drawers.
4Install another 500-sheet drawer, or continue with Installing a duplex unit.
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							Installing a duplex unit
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Installing and removing options
Installing a duplex unit
Your printer supports an optional duplex unit that lets you print on both sides of a sheet of paper.
Warning:If you have an optional duplex unit and a 2000-sheet drawer, you must install a 500-sheet drawer 
between the duplex unit and the 2000-sheet drawer.
1Unpack the duplex unit and remove any packing material.
2Place the duplex unit in the location you have chosen for your printer or install it on a 500-sheet drawer. To install 
it on a 500-sheet drawer:
aAlign the positioning posts on the drawer with the holes in the duplex unit.
bLower the duplex unit into place. Make sure it is seated securely on the drawer.
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							Installing the printer
9
Installing and removing options
Installing the printer
CAUTION:The printer weighs 48–82 kg (105–181 lb). It requires at least three (3) people to lift it safely. Use the 
printer handholds to lift it, do not lift by the front of the printer, and make sure your fingers are not 
under the printer when you set it down.
1Unpack the printer.
2Place the printer on the duplex unit or 500-sheet drawer:
aAlign the positioning posts on the duplex or 500-sheet drawer with the holes in the printer.
bLower the printer into place. Make sure it is seated securely.
Installing an output expander
Your printer supports an optional output expander that lets you stack up to 650 sheets of paper in one bin.
Note:After you unpack the output expander, install it immediately. Otherwise, the edges of the mounting 
brackets could damage tabletops or fabrics.
1Unpack the output expander and remove any packing material. 
2Remove the printer top cover.
Warning:The output expander tray is designed to hold the weight of print material only. Do not use it as a shelf; 
excess weight may cause it to disengage from the output expander.
3Align the mounting brackets on the bottom of the output expander with the slots in the top of the printer.
4Lower the output expander into place.
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							Installing an output expander
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Installing and removing options
5Attach the printer top cover to the output expander.
6Attach the output expander paper bail to the top cover.
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