Overview

Unwanted spots or streaks of toner that appear on the back of the printed page can be caused from a contamination inside the fuser to a physical problem with the printer. See sample page below.

Print Defect Sample

Click Image to Enlarge

This article will help you confirm the problem. Please refer to the directions in the table below to help determine which hardware part is causing the issue.

Troubleshooting

Steps Actions

1 Check to see whether the printer supports the paper being used and that it meets all recommendations listed in the User’s Guide.

2 Make sure the Paper Type Setting on the printer and in the driver/software matches the type of paper loaded in the tray.

3
Run about ten blank pages (or pages with just a few characters) to allow the fuser to clean itself. The toner streaking should fade away over time.

Note: If the above information did not help to resolve the print quality issue, please contact Lexmark Technical Support or a local authorized service provider to arrange a service call.

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 your printer's model type and serial number, click here.

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

Non-Repeating Marks on the Back Side of Page Printed from the Lexmark CS310, CS410, CS510, CX310, CX410, and CX510	Document ID:SO7217

11/05/12	Properties

Lexmark CS310	Lexmark CS410	Lexmark CS510
Lexmark CX310	Lexmark CX410	Lexmark CX510

Non-Repeating Marks on the Back Side of Page Printed from the Lexmark CS310, CS410, CS510, CX310, CX410, and CX510

Problem

Solution

Steps	Actions
1	Check to see whether the printer supports the paper being used and that it meets all recommendations listed in the User’s Guide.
2	Make sure the Paper Type Setting on the printer and in the driver/software matches the type of paper loaded in the tray.
3	Run about ten blank pages (or pages with just a few characters) to allow the fuser to clean itself. The toner streaking should fade away over time. Note: If the above information did not help to resolve the print quality issue, please contact Lexmark Technical Support or a local authorized service provider to arrange a service call.