Lexmark C 750 User Manual

Lexmark C750

Release Notes

August 2001

www.lexmark.com

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Aligning the image transfer unit

For best print quality , make sure you align the image transfer unit after replacement or if colors print too
lightly.

To align the image transfer unit:

1 On the printer operator panel, press and hold Select and Return while turning the printer on.
2 When Performing Self Test appears, release the buttons.
3 When Config Menu appears, press Menu until you see ITU Alignment, and then press

Select.

A test page prints.

4 Look at the test page and select a number value f or each of the twelve settings where the color

is most intense. Select a value in the range of -10 to +10 to the nearest .5 increment. For
example, you may find for the Test A alignment that your color is most intense at the 4.5 value.

It is helpful to write all twelve alignment values in the lines provided on the test page before
going on to step e. You must select a value for all twelve settings.

5 When you see Test A Alignment, press Menu until you find the number value you want to

use, and then press
displays.

Select. A Saved message briefly appears and then the next test alignment

6 After you have completed all twelve settings, Config Menu appears. Press Menu until you see

Exit Config Menu, and then press Select.
The printer returns to the Ready state.

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Ordering suppli es and maintenance

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items

In the U.S. or Canada, call 1-800-438-2468 for information about Lexmark Authorized Supplies
Dealers in your area. In other countries, contact the place where you bought your printer.

Ordering a fuser

Use P/N 12G6498 to order a fuser for a 100 V printer. Use P/N 12G6496 to order a fuser for a 115 V
printer. Use P/N 12G6497 to order a fuser for a 220 V printer.

Ordering an image transfer unit and transfer roller

Use P/N 12G6304 to order an image transfer unit and second transfer roller.

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Printing mu lti-language PDFs

Symptom Cause Solution

Some maintenance and
troubleshooting
documents do not
print.

The documents contain
unavailable fonts.

1 Open the document you w ant to print in

Adobe Acrobat.

2 Click the p r in te r ic o n .

The Print dialog box appears.

3 Check the Print as image box.
4 Click OK.

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Supplies Menu

The Supplies Menu provides information about printer supplies that require attention. It is only
available when a supply is low or needs replacement.

Oiler

Purpose:

To view the status of the web oiler.

Values:

Near Exhausted

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Setup Menu

Use the Setup Menu to configure a variety of printer features.

Note: Values marked by an asterisk (*) are the factory default settings.

Printer Usage

Purpose:

To determine the behavior of the image transfer unit during printing.

Values:

Max Speed The image transfer unit is engaged throughout the print job.
Max Yield* The image transf er unit positio n is engaged based on page content. Thi s may

extend the life of certain print supplies.

Toner Alarm

Purpose:

To specify how the printer responds when it is low on toner.

Values:

Off An error message is displayed until someone replaces the ton er cartridge. If an

Auto Continue value is selected from the Setup Menu, the printer resumes printing
after the specifi ed ti m eout value .

Single* Printer stops printing, displays an error message, and sounds three quick beeps.
Continuous Printer stops pri nting , dis pla ys an er ror message , and re peats t hree be eps e v ery 10

seconds until th e toner cartridge is re placed.

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