If the problem paper brand is not registered in “Custom Paper Settings”, register it in “Custom Paper Settings”.
Check the value of “016: [Paper Transfer Feed Speed Adjustment]” in “Custom Paper Settings”.
Is the value -0.5% or lower?
Yes: No further improvement can be expected in the field.
No: Go to next step.
Change the value of “016: [Paper Transfer Feed Speed Adjustment]” to “initial value - 0.1%” in “Custom Paper Settings”.
Print the target image.
Is the problem solved?
Yes: Finish
No: Continue to check the image while lowering the value of “016: [Paper Transfer Feed Speed Adjustment]” by 0.1%/step. The lower limit value is -0.5%. No further improvement can be expected in the field even if the setting value is lower than -0.5%.
Lowering the value of “016: [Paper Transfer Feed Speed Adjustment]” causes a speed difference between the paper transfer roller and transfer timing roller. This may cause horizontal black streaks within 90 mm of the paper trailing edge, or changes in toner density around 90 mm from the paper trailing edge. If such side effects occur, return the setting of the transfer roller speed until any side effects do not occur.