Make sure that the following SPs are set to their default values, and keep them at these values at all times.

  • SP1-113-001 (Curl Correction): Keep at default value of 0 (OFF)
    This is because printing productivity drops to about 65 to 80% when this SP is ON. It is not effective in reducing curl on these models.
  • SP1-115-xxx (Print Target Temp): Keep at default value.
    This is because fusing offset may occur when the fusing temperature is reduced. This SP is not effective for improving image quality on these models.

Solution:

Install the tray heaters for the mainframe paper tray and optional paper trays. (Anti-Condensation Heater for Paper Feed Trays)