Lexmark X792 User manual

Lexmark C792/X792
Color Product Study Guide

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Lexmark C792/X792 Color Product Study Guide Rev 2.1
For Training Purposes Only 6/24/2011
Edition: June 2011
Revision: 2.1
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
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THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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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 may be addressed to Lexmark International, Inc., Services Training/008-2, 740 West New
Circle Road, Lexington, Kentucky 40550, U.S.A or e-mail at [email protected]. Lexmark may use
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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.
Lexmark, Lexmark with diamond design, and MarkNet are trademarks of Lexmark International, Inc.,
registered in the United States and/or other countries.
PCL® is a registered trademark of the Hewlett-Packard Company.
All other trademarks are the property of their respective owners.
© 2011 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.

Lexmark C792/X792 Color Product Study Guide Rev 2.1
For Training Purposes Only 6/24/2011
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Lexmark C792/X792 Color Product Study Guide Rev 2.1
For Training Purposes Only 6/24/2011
Table of Contents
CONFIG IDS, TLI, TYPE AND SERIAL NUMBER LOCATION .....................................1
C792 TECHNICAL INFORMATION................................................................................2
SPECIFICATIONS .......................................................................................................................................2
DUTY CYCLE ............................................................................................................................................3
PRINT SPEED............................................................................................................................................3
MEDIA OPTIONS........................................................................................................................................4
MAXIMUM PAPER HANDLING AND FURNITURE CONFIGURATIONS ................................................................5
SUPPLY ITEMS..........................................................................................................................................6
C792 Toner Cartridges.....................................................................................................................6
C792 Maintenance Items.................................................................................................................6
X792 MFP TECHNICAL INFORMATION .......................................................................7
SPECIFICATIONS .......................................................................................................................................7
DUTY CYCLE ............................................................................................................................................8
FAX FEATURES.........................................................................................................................................8
SCANNER SPECIFICATIONS .....................................................................................................................10
MFP SCAN SPEED..................................................................................................................................10
MEDIA OPTIONS......................................................................................................................................11
MAXIMUM PAPER HANDLING AND FURNITURE CONFIGURATIONS ..............................................................12
SUPPLY ITEMS........................................................................................................................................13
X792 Toner Cartridges...................................................................................................................13
X792 Maintenance Items ...............................................................................................................13
THEORY OF OPERATION...........................................................................................14
ELECTROPHOTOGRAPHIC PROCESS ........................................................................................................14
C792 and X792 EP Process Key Components .............................................................................15
PAPER TRANSPORT SYSTEM...................................................................................................................16
C792 and X792 Print Engine Key Hardware Components............................................................16
C792 and X792 Print Engine Key Sensor Components................................................................17
C792 and X792 Print Engine Paper Path ......................................................................................18
X792 Scanner Key Components....................................................................................................19
X792 Scanner Paper Path.............................................................................................................20
C792 and X792 Paper Jam Locations...........................................................................................21

Lexmark C792/X792 Color Product Study Guide Rev 2.1
For Training Purposes Only 6/24/2011
OPERATOR PANEL AND MENUS..............................................................................22
C792 OPERATOR PANEL ........................................................................................................................22
C792 Home Screen........................................................................................................................23
C792 Administrative (Customer) Menu..........................................................................................24
C792 Service Menus......................................................................................................................25
X792 OPERATOR PANEL.........................................................................................................................27
X792 Home Screen........................................................................................................................28
X792 Home Screen Buttons ..........................................................................................................29
X792 Administrative (Customer) Menu..........................................................................................30
X792 Service Menus......................................................................................................................31
PRINT QUALITY DIAGNOSTIC TIPS ..........................................................................33
GENERAL TERMINOLOGY ........................................................................................................................33
PRINT QUALITY RULES OF THUMB...........................................................................................................34
PAPER TRANSPORT DIAGNOSTIC TIPS ..................................................................35
PAPER RULES OF THUMB........................................................................................................................35
IMAGE ORIENTATION IN THE TRAY ...........................................................................................................36
Simplex Orientation........................................................................................................................36
Duplex Orientation .........................................................................................................................36
FAX PRINT QUALITY DIAGNOSTIC TIPS ..................................................................37
Sending Fax Machine at Fault.......................................................................................................38
Receiving Fax Machine at Fault.....................................................................................................39
Phone Line at Fault........................................................................................................................39
COMPLEX PARTS AND PROCEDURES ....................................................................40
PRINTHEAD REPLACEMENT .....................................................................................................41
FLATBED SCANNER ASSEMBLY .........................................................................................42
ADF UNIT ASSEMBLY ............................................................................................................42
FLATBED SCANNER CCD ASSEMBLY ......................................................................................42
ADF DUPLEX CCD ASSEMBLY ...............................................................................................42
SYSTEM BOARD .....................................................................................................................42
EP DRIVE/EXIT COOLING DUCT ..............................................................................................46
STAGING PAPER PATH REFERENCE EDGE ....................................................................................46
MIRRORED NVRAM COMPONENTS .........................................................................................................47

Lexmark C792/X792 Color Product Study Guide Rev 2.1
For Training Purposes Only 6/24/2011
UICC Card – C792 Only ..........................................................................................................47
Scanner Interface Card – X792 Only .......................................................................................47
Flatbed Scanner Assembly – X792 Only ................................................................47
System Board – C792 and X792 ..................................................................................47
OTHER SPECIAL INSTRUCTIONS .............................................................................48
CLEANING THE MFP DOCUMENT GLASS –X792 ONLY ............................................................................48
SECURITY RESET JUMPER ......................................................................................................................49
RECOVERY MODE...................................................................................................................................51
PRINT ENGINE SKEW GUIDELINES ...........................................................................................................51
Print Engine Skew Adjustment.......................................................................................................61
SCANNER SKEW .....................................................................................................................................63
Scanner Skew Adjustment.............................................................................................................65

Lexmark C792/X792 Color Product Study Guide Rev 2.1
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Lexmark C792/X792 Color Product Study Guide Rev 2.1
For Training Purposes Only 6/24/2011
1
Config IDs, TLI, Type and Serial
Number Location
To find the Config IDs, TLI, printer Type and Serial number, open the front cover and look inside the
machine on the left hand side.

Lexmark C792/X792 Color Product Study Guide Rev 2.1
For Training Purposes Only 6/24/2011
2
C792 Technical Information
Specifications
C792e C792de C792dte C792dhe
Processor
Speed and Type 1.2 GHZ Power PC Processor
Memory
Standard 512 MB (Max 1.5 GB) 1GB (Max 1.5GB)
Optional Memory 256MB, 512MB and 1 GB DDR2 SODIMM
Optional Flash Memory 256 MB
Hard Drive Optional 160GB or Higher 160GB or higher
Connections
Standard Gigabit Ethernet & USB
Option Slots
DRAM DIMM Slots 1
Wireless Option Yes
ISP (INA) Slots 1
DLE Firmware Card,
Font Card and Flash
Memory Card Slots 21
Paper Handling
Paper Input Standard 100 + 550 Sheet Drawer (total 650) 100 + 550 + 550 Sheet
Drawer (total 1200)
100 + 550 + 550 +
550 + 550 Sheet
Drawer (total 2300)
Optional Paper
Handling: Input
550 Sheet Drawer
2000 Sheet Feeder
Banner Media Tray
550 Sheet Drawer
Banner Media Tray
Optional Paper
Handling: Output
1000 Sheet Stacker
5-Bin Mailbox
Finisher
Finisher w/Hole Punch
Duplex None Internal Duplex
Finishing Standard None
Hard Drive Standard Optional 160GB Hard drive
Service
Warranty One year On-site Parts and Labor
Furniture
Furniture Standard None Caster Base
Optional Furniture Spacer, Caster Base Spacer
1Supported combination if both slots used: DLE + user flash, DLE + Font, Font + User Flash.

Lexmark C792/X792 Color Product Study Guide Rev 2.1
For Training Purposes Only 6/24/2011
3
Duty Cycle
Usage (Pages)
Model Average Monthly1 Duty Cycle 2
C792 2500-17,000 150,000
1 Average Monthly Page Volume is an average range of pages customers plan to print on the device each
month. Lexmark recommends that the number of pages per month be within the stated range for
optimum device performance, based on factors including: supplies replacement intervals, paper
loading intervals, speed, and typical customer usage.
²Duty Cycle is defined as the maximum monthly usage verified using multi-shift operation. The usage
rate can be limited by application and run mode.
Print Speed
X79x
Media Size Mono Color
Letter (plain) 50ppm 50ppm
A4 (plain) 47.5ppm 47.5ppm
Note: Throughput is measured using default printer settings.

Lexmark C792/X792 Color Product Study Guide Rev 2.1
For Training Purposes Only 6/24/2011
4
Media Options
Lexmark C792 Options
550-Sheet Drawer
2000-Sheet High Capacity Feeder
Spacer Drawer
Banner Media Tray [No Picture Available]
500-Sheet Staple Finisher
(includes Stapler and Transport Unit)
500-Sheet Staple, Hole Punch Finisher
(includes Stapler, Hole Punch and Transport Unit)
5-Bin Mailbox
(no Stapler, no Hole Punch has Transport Unit)
500-Sheet Offset Stacker
(no Stapler, no Hole Punch has Transport Unit)
Caster Base

Lexmark C792/X792 Color Product Study Guide Rev 2.1
For Training Purposes Only 6/24/2011
5
Maximum Paper Handling and Furniture Configurations
The authoritative tables of maximum Printer Paper Options/Furniture combinations are publicly available
at www.lexmark.com/multifunctionprinters. Please refer to this information when purchasing additional
paper input options for any of the C790 Series printers.
2000-sheet High
Capacity Feeder
Optional 550-sheet drawers or
Spacers
Output
Option
Placed on: Caster Base
1 1 2 3 4 1
33333
Desktop* NA 33333
3333
Floor Required 333
Floor
May be used,
but not
required for
safe
operation**
333
*Maximum recommended height for optimal usability is 53" (1.3 m)
**One optional spacer (47B0114) at bottom of stack is recommended for optimal usability.
Note: A Banner Tray may be added to any configuration that also includes an optional 550-sheet
drawer. The banner tray may not be used in a configuration that also includes output options.

Lexmark C792/X792 Color Product Study Guide Rev 2.1
For Training Purposes Only 6/24/2011
6
Supply Items
C792 Toner Cartridges
Toner Cartridges Approximate
Yield Ships with printer
Aftermarket
Version
Available
Return Program
Version
Available
Starter Cartridge Color (C, M, Y) 11K pages Yes No No
Starter Cartridge Black (K) 8.5K pages Yes No No
Standard Yield Toner Cartridges
Color and Black (C, M, Y, K) Up to 6K pages No Yes Yes
Extra High Yield Toner Cartridges
Color and Black (C, M, Y, K) Up to 20K pages No Yes Yes
Note: The average continuous Composite CMY Cartridge yield is standard pages as listed and the average
continuous K (black) Cartridge yield is standard pages as listed, in accordance with ISO/IEC 19798.
Note: Starter cartridges cannot be swapped between printers for troubleshooting purposes as it will post a 32
Unsupported Cartridge Error message.
Note: The Extra High Yield Toner cartridges for the C792 printer will work in both the C792 and the X792.
C792 Maintenance Items
Approximate Yield Customer Installable
Fuser Up to 150,000 Pages1Yes
ITU Up to 200,000 Pages1Yes
Tray Pick Tires Up to 750,000 Pages No
MPF Pick Ties and Wear Strip Up to 15,000 Pages No
1 Yield based on an average of 3 pages per job and approximately 5% coverage per color. Because
these modules are affected by environment, duty cycle and toner coverage, actual page count may
vary.

Lexmark C792/X792 Color Product Study Guide Rev 2.1
For Training Purposes Only 6/24/2011
7
X792 MFP Technical Information
Specifications
X792de X792dte X792dtfe X792dtpe X792dtme X792dtse
Processor
Speed and Type 1.2 GHZ Power PC Processor
Memory
Standard 1GB RAM (Max 2 GB)
Optional Memory 256MB, 512MB and 1 GB DDR2 SODIMM
Optional Flash Memory 256 MB
Hard Drive Standard 160GB or higher
Connections
Standard Gigabit Ethernet & USB
Option Slots
DRAM DIMM Slots 1
Wireless Option Yes
ISP (INA) Slots 1
DLE Firmware Card,
Font Card and Flash
Memory Card Slots 21
Paper Handling
Paper Input Standard 100 + 550 Sheet Drawer
(total 650) 100 + 550 + 550 + 550 Sheet Drawer (total 1750)
Paper Output Standard 500 - Sheet Output Bin 500 - Sheet Output Bin +
Finisher 500-Sheet (Total 1000)
500 - Sheet
Output Bin + 5
100-Sheet
mailbox bins
(Total 1000)
500 - Sheet
Output Bin +
500-Sheet
Stacker
(Total 1000)
Optional Paper
Handling: Input
2000 Sheet
Feeder
Banner Media
Tray
Banner Media
Tray 550-Sheet Drawer
Duplex Internal Duplex
Finishing Standard None 500-Sheet
Staple
Finisher
500-Sheet
Staple, Hole
Punch
Finisher
5-bin Mailbox 500-Sheet
Offset
Stacker
Service
Warranty One year On-site Parts and Labor
Furniture
Furniture Standard None Caster Base and Roll-off Pkg
1Supported combination if both slots used: DLE + user flash, DLE + Font, Font + User Flash.

Lexmark C792/X792 Color Product Study Guide Rev 2.1
For Training Purposes Only 6/24/2011
8
Duty Cycle
Usage (Pages)
Model Average Monthly1 Duty Cycle 2
X792 2500-17,000 150,000
1 Average Monthly Page Volume is an average range of pages customers plan to print on the device
each month. Lexmark recommends that the number of pages per month be within the stated range for
optimum device performance, based on factors including: supplies replacement intervals, paper
loading intervals, speed, and typical customer usage.
²Duty Cycle is defined as the maximum monthly usage verified using multi-shift operation. The usage
rate can be limited by application and run mode.
Fax Features
Feature Notes
Fax Preservation Faxes are preserved over power cycle
Color Fax Enable Color Scans
Auto Convert Color to Mono Fax
Enable Color Fax Receive
– When On the sending device transmits in color and receiving
device prints in grayscale
– When Off the sending device converts and transmits the job
as a mono job
Fax Content Type: Text, Graphics, Text/Photo, Photo
Source: Color Laser, Black/White Laser, Inkjet, Photo/Film,
Magazine, Newspaper, Press, Other
Original Size All sizes supported by device including:
Mixed – Letter/Legal
Dial Mode Touch Tone
Pulse
Custom Job scanning Only appears if hard drive installed
Scan Preview Only appears if hard drive installed
Fax Cover Page Includes: To, From, Message, Footers, Logo and Total Pages
Fax Number Masking Active masking
Maximum Speed Settings for both Send and Receive
Delayed Send
Block Junk Fax Banned Fax List Based on Caller ID or Remote Station ID
Fax Shortcuts Average shortcut includes: 25 characters for Name, 10
characters for number and 4 characters for Shortcut Id.
Shortcuts can contain one phone number or multiple numbers.
Each number is a location; see Performance area for maximum
locations.
Broadcast Fax Maximum locations is 400
Fax Forwarding Incoming Faxes may be forwarded to:
Fax – using one Fax Shortcut
Email – using one Email Shortcut
FTP – using one FTP shortcut
LDSS
eSF – supported via custom application
Any fax resolution that can be received can also be forwarded

Lexmark C792/X792 Color Product Study Guide Rev 2.1
For Training Purposes Only 6/24/2011
9
Caller ID If subscribed to Caller ID from phone provider
Manual Fax Disabled by default
Fax from PC Supported using Postscript driver
Fax Print Holding Only appears if hard drive installed
Fax Logs Transmission Log
Receive Error Log
Fax Call Log
Fax Job Log
Distinctive Ring selection If subscribed/configured from phone provider
Sound Control Ringer Volume
Speaker Volume
Speaker Mode – On, On Until Connected, Off
Fax Server Fax Server mode will send the scanned fax job to the fax server
via email, where it will be sent to the receiver. The device should
be tested for configurability and compatibility with the desired
third fax server products such as: Biscom, Equisys-ZetaFax,
OMTool, Captaris – RightFax, or Tobit- Faxware.

Lexmark C792/X792 Color Product Study Guide Rev 2.1
For Training Purposes Only 6/24/2011
10
Scanner Specifications
Scanner
Scanner Type Color Flatbed Scanner with ADF
Scan Technology Charge Coupled Device (CCD)
Light Source LED
Number of Light Sources 1 lamp per CCD Module
Scanner ADF
ADF Type Single Pass, Duplex Scan, C-Path
Jobs with Mixed length pages accepted up to Legal (width must be the same)
Scanner ADF Document Input &
Output Capacity 75 Sheets, 20 lb. (75 g/m2) Bond
Scanner Media Depth (Thickness) Max. .15mm
Min. .05mm
Scanner Media Weight Max. 32lb (120g/m2)
Min. 14lb (52g/m2)
Document Size Max. 8.5” x 14.0” (216mm x 355mm) Short Edge Feed (SEF)
Min. 3.0” x 5.5” (114.3mm x 139.7mm) Short Edge Feed (SEF)
Document Size Sensing Yes – length and width in ADF
Document Sensing Yes – ADF paper present LED and on/off settable beep
Scanner Flatbed
Max Document Size 8.5” x 14.0” (216mm x 355mm)
Document Size Sensing Yes– paper length sensing only on flatbed
Print Engine
Print Technology Color Laser
Duplex output Standard
Paper Feed Orientation Short Edge and Long Edge Fed
Fax
Modem V.34, Group 3 compatible 33.6kb/s Fax Modem
MFP Scan Speed
Simplex Duplex
Media Size Mono Color Mono Color
Letter (plain) 50 50 29 27
A4 (plain) 47 47 28 26
Note: Scan Performance is measured as 150dpi 1-bit for mono and 150dpi 24-bit for color.

Lexmark C792/X792 Color Product Study Guide Rev 2.1
For Training Purposes Only 6/24/2011
11
Media Options
Lexmark X792 Options
550-Sheet Drawer
2000-Sheet High Capacity Feeder
Spacer Drawer
Banner Media Tray [No Picture Available]
500-Sheet Staple Finisher
(includes Stapler and Transport Unit)
500-Sheet Staple, Hole Punch Finisher
(includes Stapler, Hole Punch and Transport Unit)
5-Bin Mailbox
(no Stapler, no Hole Punch has Transport Unit)
500-Sheet Offset Stacker
(no Stapler, no Hole Punch has Transport Unit)
Caster Base

Lexmark C792/X792 Color Product Study Guide Rev 2.1
For Training Purposes Only 6/24/2011
12
Maximum Paper Handling and Furniture Configurations
The authoritative tables of maximum Printer Paper Options/Furniture combinations are publicly available
at www.lexmark.com/multifunctionprinters. Please refer to this information when purchasing additional
paper input options for any of the C790 Series printers.
2000-sheet High
Capacity Feeder
Optional 550-sheet drawers or
Spacers
Output
Option
Placed on: Caster Base
1 1 2 3 4 1
3333
Desktop* NA 33333
3333
3333Required
33
Floor Required
33Required
33
Floor
May be used,
but not
required for
safe
operation** 33Required
*Maximum recommended height for optimal usability is 53" (1.3 m)
**One optional spacer (47B0112 at bottom of stack is recommended for optimal usability.
Note: A Banner Tray may be added to any configuration that also includes an optional 550-sheet
drawer. The banner tray may not be used in a configuration that also includes output options.