Overview
Marks or splotches of an unwanted color print at regular intervals on the page. This issue does not cover the entire page (left to right) in the manner of back grounding. Nor does it cover the entire page uniformly from top to bottom. Instead, it repeats the splotches at regular distances down the page. This issue does not have the appearance of speckles or dots, nor is it at random intervals or spacing.
Defect Example of Repeating Marks:
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| Toner marks, lines, or splotches of any color can appear on left, right, or both edges of the page (here on the right-hand side). |
Explanation
Exhausted or worn photoconductor units cause the issue pictured above.
Troubleshooting
Checklist:
Perform the following checks to verify the issue.
Note:
First generate print samples by printing the Print Defects Guide. This guide will help diagnose defects that repeat at regular intervals down the page. Follow the suggested steps below:• When the printer is at Ready state, press the Menu Button. • Using the Navigation keys, scroll down and select "Help". • Under Help, select the Print Defects Guide. The printer test pages will automatically print. To view the Print Defects Guideprint samples, click here.
Using the Print Defects Guideprint samples, check the following questions to help confirm this is a photoconductor-caused repeating marks issue.
1. Does this issue occur with all colors? (Compare to the attached Print Defects Guideprint sample, if possible).
Yes: The defect is probably not repeating marks.No: Continue analysis; please go to the next step.
2. Is there toner being printed in the areas of the page that should be white or should not contain that color?
Yes: Continue analysis; please go to the next step.No: The defect is probably not repeating marks.
3. Does the defect cover the entire page from left to right and top to bottom?
Yes: The defect is probably not repeating marks.No: Continue analysis; please go to the next step.
4. Does the defect repeat at regular intervals of 72.2 mm or 2.85 inches down the page?
Note:
The first page of the Print Defects Guide contains a set of rulers you can use to indicate which particular part is causing the issue. Click each image below to enlarge: | |
| The first page of the Print Defects Guide (as shown above), contains a set of rulers that can be used for defects repeating consistently down the page. | Line up the marks to an area of the defect as shown above. In this example, it lines up with the first ruler under Change the photoconductor unit. |
Yes: Continue analysis; please go to the next step.No: The issue is described as repeating randomly or not repeating at all; therefore, it is probably not repeating marks issue.
Troubleshooting
To correct the issue, perform the Color Adjust Procedure. See the steps below:
For Lexmark C73x Series Printers
| Steps | Action |
| 1 | When the printer is at Ready state, 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, then press to initiate the auto-alignment process. |
| 5 | The printer will return to Ready mode when the progress bar reaches 100%. |
| 6 | Reprint the Print Defects Guide. Did the Color Adjust resolve the issue? Yes: The issue is resolved.No: Please contact Lexmark Technical Support for other troubleshooting suggestions. |
For Lexmark X73x Series Printers
| Steps | Action |
| 1 | When the printer is at Ready state, press 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 | Reprint the Print Defects Guide. Did the Color Adjust resolve the issue? Yes: The issue is resolved.No: Please contact Lexmark Technical Support for other troubleshooting suggestions. |
Contacting Lexmark
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: SO5339
Notes: