Issue description
This article deals with the print quality defects known as "blocking", "smudging" and “poor fuse grade”. While the fuser unit is the most likely source of the issue, it is possible that the fuser is not damaged. but rather failing to reach its proper operating temperature due to incorrect settings.
- Blocking refers to toner flaking or peeling off the page if something is written on media placed on top of the printed page.
- Smudging refers to the toner breaking off a page when it is rubbed. This will normally only happen with grayscale images.
Print Defect Sample
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.
Solution
To resolve this issue, make sure to flash the updated firmware engine code to the printer.
Note: For steps on how to update and download the latest firmware version, refer to the Firmware Update Instructions.
If the issue persists, search for more information related to this issue or contact support for further assistance.
Service action
If the print quality issue occurs when using the following EP Settings > Fuser Temp = High, you need to upgrade the firmware to PE firmware fixE306FSR for EC3 level RIP Firmware P3xx. If you upgraded to EC4 level, which is RIP Firmware P4xx, please use PE firmware fixE400 engine code (or greater).
LEGACY ID: SO7218