Secondary Transfer Voltage Adjustment
Use the Secondary Transfer Voltage Adjustment option to correct for mottle (uneven toner coverage) and color shift (inconsistent color). These image quality issues can occur on heavy-weight stocks. The Secondary Transfer Voltage Adjustment option creates and saves an image transfer adjustment to the Bias Transfer Roll in the press. The Bias Transfer Roll is where the image is transferred from the belt to the paper.
Once created for a stock, the adjustment is saved and can be selected for that stock for any tray.
The adjustment can be performed by selecting one these buttons: Auto or Manual.
• Auto: The adjustment is done automatically by the press and eliminates the need for you to interpret printed targets and manually enter adjustment values. This saves time and avoids errors. Usually Auto fixes most image quality issues.
Note: Always perform the Auto adjustment first before performing a manual adjustment.
• Manual: The user performs the adjustment manually, including printing test patterns, interpreting the printed targets on those patterns, and then manually entering the adjustment values. Use the Manual adjustment option only when the Auto adjustment does not provide the desired output.