Support article for Lexmark X736DE

TSB (C73x_X73x_118): C73x/X73x ? Marks, Splotches, or Clouds of Toner near the Edges of the Printout

Bulletin# C73x_X73x_118	Problem Description
Machine Type/Model	C734 5026-210 5026-230 5026-280 C736 5026-410 5026-430 X734 7526-275 X736 7526-476 X738 7526-676	This print quality issue has the appearance of splotches of any color being developed in areas that should be white or should not include the defect color. Solution The defect pictured is caused by defective Toner cartridges. Try performing the Color Adjust Procedure and replace the Toner Cartridge if this does not fix the issue.
Date Created	06/21/10
Last Updated	06/21/10
Safety Issue?	No
Code Update?	No
Engineering Change?	No
New Parts?	Yes
Old Parts Status	n/a
Voltage: 120/240	All
Serial No. Range	All

LEGACY ID: TE160

Overview

Splotches of random color print in areas that should not have them. These marks may not cover the entire page from left to right, but they usually do cover the page from top to bottom.
NOTE: These splotches are not speckled or dotted; rather, the effect is a diffuse and cloudy appearance. See samples below.

Progression Sample: This shows how the issue changes with more toner cartridge usage. You may not notice it until it becomes severe enough in white areas.


Good Result of Print Quality Test Page	Sample Printout	Test result with splotches of magenta printing from top to bottom of the page.

Troubleshooting

For this kind of issue, the following symptoms can be observed:

The issue does NOT occur as different colors. Most likely, only a single color of toner cloud can be seen.

It usually starts up as dark splotches at the edge in light areas of the defect color (i.e., see the progression sample above).

The issue may not cover the entire page from left to right, but it can show from top to bottom.

The best way to resolve the issue is to perform the Color Adjust Procedure on the printer. See the following steps:

For Lexmark C73x printer

Step	Action
1	While the printer is Ready, press the menu button.
2	Press until appears next to Settings, then press .
3	Press until appears next to Quality Menu, then press .
4	Press until appears next to Color Adjust, press to initiate the auto-alignment process.
5	The printer will return to Ready mode once the progress bar reach 100%.
6	Send a print job and check the result. Did the Color Adjust corrected the issue? Yes: Issue resolved.No: Contact Lexmark Technical Support for other troubleshooting suggestions.

For Lexmark X73x MFP

Step	Action
1	While the printer is Ready, touch the icon.
2	Press next to Settings.
3	Press to scroll down, and press next to Print Settings.
4	Press next to Quality Menu.
5	Press to scroll down. Look for Color Adjust and press the icon next to it. This initiates the auto-alignment process.
6	Send a print job and check the result. Did the Color Adjust corrected the issue? Yes: Issue resolved.No: Contact Lexmark Technical Support for other troubleshooting suggestions.

Still Need Help?

Please contact Lexmark Technical Support if you need additional assistance.
NOTE: When calling for support, you will be asked for your machine/model type and serial number (SN). If you need help locating these, How to Locate the Serial Number, TLI, Config ID, and Machine Type on the Lexmark C734, C736 or X734, X736, X738 Color Laser Printers.

Please call from near the printer in case the technician on the phone asks you to perform a task involving the printer.

LEGACY ID: TE160

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