Lexmark 637, CX510DE manual Horizontal voids appear on prints, Troubleshooting 289

Troubleshooting		289
Action	Yes	No
Step 1	The problem is solved.	Go to step 2.

Reduce the toner darkness.

aFrom the Quality menu on the printer control panel, reduce the toner density.

Note: 4 is the factory default setting.

bResend the print job.

Did the gray background disappear?

Step 2	The problem is solved. Contact customer
a Remove, and then reinstall the imaging kit.	support.

Warning—Potential Damage: Do not expose the imaging kit to direct light for more than 10 minutes. Extended exposure to light may cause print quality problems.

Warning—Potential Damage: Do not touch the underside of the imaging kit. This could damage the imaging kit.

bResend the print job.

Did the gray background disappear?

Horizontal voids appear on prints

Leading edge

Trailing edge

Action	Yes	No
Step 1	Go to step 2.	The problem is solved.

aMake sure your software program is using a correct fill pattern.

bResend the print job.

Do horizontal voids appear on prints?

Step 2 Go to step 3. The problem is solved.

aLoad the specified tray or feeder with a recommended type of paper.

bResend the print job.

Do horizontal voids appear on prints?