Lexmark 7000 Color Jetprinter Installation and operation manual

Course Information
Introduction
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Course Information
Introduction
This service training module, along with the product
specific service manual, can be used as an outline for
training on current Lexmark personal or desktop
printers.
Cross references to the service manual for new
products are placed at selected points throughout the
module lessons. The cross references let you view
parts, theory of operation, adjustments, and so on, at
the click of your mouse. When you have finished,
simply use your right mouse button to return to the
service training lesson.
The lessons in this course will be updated as
necessary to include new technology, or unique printer
mechanisms that may require specialty training.
Use the Tools pull down menu, Find and Match Whole
Word Only to locate a specific subject.
For example: 7000 Color Jetprinter

Course Information
Lesson Outline
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Lesson Outline
This course is divided into the following lessons:
• Covers, Drive, and Component Location
• Paper Path
• Print Process
• Electronics
• Diagnostics
•ServiceTips
• Course Exam

Course Information
Lesson Objectives
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Lesson Objectives
Upon completion of these lessons, along with your
prior knowledge and appropriate documentation, you
will be able to:
• Locate and identify all major components.
• List the motors used in the printer and describe
their function.
• Describe briefly how paper is moved through the
paper path.
• Describe the purpose of any paper sensors or
forms flag.
• Describe how text, or an image, is placed on paper
during printing.
• Perform service diagnostics.
• Verify correct machine operation.

Course Information
Prerequisite
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Prerequisite
Lexmark service training courses are developed
assuming the student has these entry level skills:
• Capable of using common hand tools, such as
screwdrivers, nutdrivers, wrenches, in the
mechanical assembly and disassembly of non-
complex electronic equipment.
• Basic understanding of electricity including current,
voltage, and resistance.
• Use of an analog or digital multimeter in the
measure of voltage, current, and resistance.
• Understand the safe procedures relating to the
service of devices powered by AC line voltages.
• Ability to follow non-complex procedures (written
and graphic) to isolate product problems.
• Use of special tools and instructions (written and
graphic) in the adjustment of electro-mechanical
devices such as diskette drives and printers.
• Proper application of lubricants and cleaning
materials for electro-mechanical devices.
• Ability to type data on a keyboard.
• Ability to interpret data (audible and visual).
• Understand the safe use of hand tools and a
multimeter.
• General industry information, for example, A+
certification.

Course Information
Materials Required
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Materials Required
•One formatted student diskette to record each
technician’s course exam results. The diskette is
not provided, but student diskette labels are
enclosed. The mailing address and return
instructions are listed after successfully completing
the course exam.
•Service Manual for the product for which you want
to receive Lexmark certification. Service Manuals
are available on the Service Library CD. You may
want to print your own copy of a service manual
from the Service Information and Training CD, or
you may order books and other material from
Lexmark. To order material - call 1 - 800 - 553 -
9727 (U.S.)
During the course exam, you may use the service
manual to answer technical questions relating to meter
readings or connector and pin numbers.
You will be using the service manual extensively to
complete service training.
Please refer to the service manual as necessary for:
• Removal and replacement steps
• Diagnostic steps
• Parts Catalog (relationship of parts)
• Voltage or Ohms check
Refer to the service manual “Table of Contents” for
location of connectors and pin numbers.

Course Information
Training Equipment
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Training Equipment
•It is highly recommended, but not required, that
you have a training machine available for the
product for which you want to receive Lexmark
certification.
PC Hardware and Software
Minimum
• 486processor-based personal computer.
• Microsoft Windows 3.1, Windows 95, or Windows
NT 3.51 or later.
• 8 MB of RAM (16MB for Windows NT)
• VGA or better display card.
• CD-Rom Drive.
• 5 MB hard disk space, plus 7 MB additional
temporary disk space available during installation.
Recommended
• Pentium processor-based personal computer.
• Windows 95 or Windows NT.
• 16 MB of RAM (24 for Windows NT).
• Color palette supporting at least 256 colors.
• SVGA or better display card.
• CD-Rom Drive.
• 5 MB hard disk space, plus 7 MB additional
temporary disk space available during installation.
Note: Future releases may include video clips and
sound files that require additional hard disk space
(for the software to run them) and a Windows
compatible sound card.

Course Information
Special Tools
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Special Tools
Refer to the service manual for special tools,
equipment, and so on.

Course Information
Course Completion Time
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Course Completion Time
The estimated course completion time depends
primarily upon the student skill level and machine type.
You may need to schedule more time if you are a first
time user of Lexmark service training, or this is your
first service training course.
Experience personnel may use the following outline for
scheduling training time:
•Inkjet printers
a. 1to 3hours
•Color Printing
b. 1to 2hours

Course Information
Course Exam
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Course Exam
Experienced personnel may elect to go directly to the
certification exam, if you met all of the following
conditions:
• Have successfully completed at least one previous
Lexmark service training course in the product
category for which you want to receive Lexmark
certification.
Note: If you want to skip the inkjet printer service
training materials and go directly to an exam, you
should have successfully completed a previous
Lexmark inkjet printer service training course.
• Have experience servicing Lexmark printers.
• Have experience using Lexmark service manuals.
• Have experience using a meter and taking Ohms
and Voltage measurements.
• Have experience locating connectors and
identifying connector pin numbers.
• Have completed the color printing lessons and
understand how printers place color on paper.
If you met all of these conditions and want to skip
directly to the exam, proceed to the inkjet course exam
section. Course exams are listed by machine type.

Introduction
Inkjet Printers
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Introduction
Inkjet Printers
An inkjet printer is an electro-mechanical printer that
forms characters on print media (paper, transparency,
etc.) using a printhead and liquid ink. The printhead
uses small heater plates and nozzles to control ink flow
and the formation of characters on the print media.
Lexmark combines the printhead assembly and ink
supply into one unit called a print cartridge.
The monochrome print cartridge contains black ink and
more nozzles than a color print cartridge. The color
print cartridge contain three colors of ink: cyan,
magenta and yellow.
Lexmark inkjet printers provide high quality text and
graphic printing. Lexmark printers can print on
envelopes, single sheet paper labels, 3 x 5 index cards,
and transparencies.

Introduction
New Products
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New Products
This is Lexmark’s new 7000 Color Jetprinter (Machine
Type 4092). The 7000 Color Jetprinter is a personal,
near laser-quality inkjet printer.
Dual printheads provide color and true black printing
without changing printheads. The black print cartridge
has a total of 208 nozzles. The color print cartridge
has a total of 192 nozzles and installs on the right.
• The 4092 can print in ultra high quality mode of
1200 x 1200 dpi.
• The printer is capable of printing in two directions
from either cartridge.
Let’s look at removing covers.

Covers, Drive, and Component Location
Introduction
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Covers, Drive, and
Component Location
Introduction
This lesson covers three categories:
• Cover Removals
• Drive Components
• Component Locations
We include step by step examples of removing covers
and show you some examples of where to look in your
printer for various printer drive components.
It is highly recommended, but not required, that you
have a training machine available for the product for
which you want to receive Lexmark certification.
Removing the machine covers at this time is necessary
to locate and identify sub assemblies called out in this
lesson.

Covers, Drive, and Component Location
Covers
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Covers
Note: In this example, we are using the Color Jet
Printer 4077. Be sure to use the appropriate
service manual for your printer.
For example, if you are training on the Lexmark
Color jet printer machine type 4077, you must use
the 4077 Service Manual. In this case, there are
different models of the 4077 color printer. The Lex-
mark WinWriter 150c (marketing name) is machine
type 4077, model 001. Later, Lexmark announced
the 2050 Color Jetprinter (marketing name),
machine type 4077 model 201. Therefore, ensure
you have the correct level of service information for
the machine type and model for which you are tak-
ing training or providing customer service.

Covers, Drive, and Component Location
Covers
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Removing an inkjet printer cover may be as simple as
prying gently on two plastic latches.
Insert a small screwdriver into slot A on both sides of
the printer and gently press just enough to release the
cover latch.
Slide the cover off the machine.

Covers, Drive, and Component Location
Covers
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Release the rear cover latches in the same manner
and slide the cover off the machine.

Covers, Drive, and Component Location
Drive and Component Location
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Drive and Component Location
We have removed the printer frame and carrier
transport assembly so you can see the paper feed
motor.
The purpose of the paper feed motor is to feed paper
from the automatic sheet feed through the printer's
paper path.
Note: All Lexmark inkjet printers use a stepper
motor for feeding paper.
Paper Feed
Motor

Covers, Drive, and Component Location
Drive and Component Location
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*In this illustration, we have separated the frame and
carrier transport assembly from the base assembly to
aid in parts identification.
You can also see the location of the paper feed motor
and the carrier transport motor.
The purpose of the carrier transport motor is to move
the carrier to the print position and to the maintenance
station at the appropriate time.
Paper Feed Motor
Carrier Transport Motor

Covers, Drive, and Component Location
Drive and Component Location
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As the carrier transport motor turns, it moves the
carrier left or right using the carrier belt.
Some Lexmark inkjet printers, for example, 2050, 150c
and 2070 use a DC motor and an encoder strip with an
encoder board. As the carrier moves laterally, the
encoder board is able to read the encoder strip to keep
track of the carrier position.
Other Lexmark printers use a home position sensor
and a stepper motor. The initial carrier position is
determined by the home position sensor. As the carrier
moves from the home position, the stepper motor
keeps count of the carrier position in increments of
rotation.
Carrier Transport
Motor
Encoder
Strip

Covers, Drive, and Component Location
Drive and Component Location
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Lexmark inkjet printers use either a mechanical
maintenance station or a motor driven assembly to
wipe and cap the printhead.
The maintenance station has two functions:
• It seals the printhead nozzles using caps to
protect the nozzles from damage or drying
between print jobs.
• It cleans the printhead nozzles during printing
by wiping the nozzles and providing a place for
all nozzles to fire. The wiping action occurs
before firing all nozzles.
Seal Action
As the carrier moves to the right, a slot on the bottom
of the carrier engages a tab on the maintenance
station causing the caps to rise and seal the printhead
nozzles.
Maintenance
Station

Covers, Drive, and Component Location
Drive and Component Location
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Clean Action
As the carrier moves to the left, the printhead nozzles
are uncapped and wipers clean the nozzles.
• The wipers clean the printhead nozzles only when
the carrier moves to the left.
• There should be no wiping action when the carrier
moves to the right.
• The wipers are lowered as the carrier leaves the
maintenance station, then all nozzles fire.
Note: A worn wiper can cause degraded print. A
worn cap can cause the nozzles to dry and clog.
Maintenance
Station