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Lexmark MS421

Lexmark MS421

Poor Fuse Grade Issue when Using Plain/Light/Smooth Media Settings

Affected products

Click

Properties

in the title section above.

Issue description

This document deals with a "poor fuse grade" print quality defect when the customer uses the following paper settings to resolve a paper jam issue:

  • Type: Plain
  • Weight: Light
  • Texture: Smooth

Sample Image

It can also be observed when the printer is within a cold and ambient environment.

Troubleshooting

To resolve this issue, ensure that the appropriate paper settings for each tray is set to comply with the media being used.

StepAction
1

Tap Settings on the control panel, then go to Paper > Tray Configuration.

2 Select the appropriate paper type currently loaded on the tray and tap Save.
3

Should the issue persist, tap Settings > Paper > Media Configuration > Media Types.

4

Adjust the media texture setting to Rough and the media weight setting to Heavy. This will also slightly increase the fusing temperature.

E.g., Plain- Texture (Rough) and Weight (Heavy)

5Click Submit and perform a test print.

Still need help?

If you need additional assistance, please close this browser tab or go to the Lexmark support site, type your printer model and locate

Get in Touch with Lexmark! for contact information.
NOTE:
When calling for support, you will need the following:

  • Affected printer model/'s

  • Printer serial number

Please be near the product/s described in this article to expedite the support process and reduce callbacks.


LEGACY ID: SO8529

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