Check the counter of PM parts around the drum (photoconductor unit). Replace parts for which the counter has been exceeded.
In [Adjustment Settings for Skilled Operators], select [0201: Adjust Image Density/ DEMS] and then execute [Image Density Adjustment: Manual Execute] (SP3-011-002).
Print the image.
Is the printed image acceptable?
Yes: Finish
No: Go to next step
Register the applicable paper brand as “Custom Paper.”
In Custom Paper Settings, adjust the image transfer current.
If you want to eliminate a residual image or lower the image density, decrease the value by 5A.
If you want to heighten the image density, increase the value by 5A.
No. 022: [Image Transfer Current: B&W]
No. 023: [Image Transfer Current: FC: Black]
No. 024: [Image Transfer Current: FC: Cyan]
No. 025: [Image Transfer Current: FC: Magenta]
No. 026: [Image Transfer Current: FC: Yellow]
No. 027: [Image Transfer Current: FC: Special]
No. 028: [Image Transfer Current: Special]
Print the image.
Is the printed image acceptable?
Yes: Go to next step.
No: Go to step 6.
Adjust the quenching lump power.
Decrease the value of SP2-224-001/002 by 20.
Decrease the value of SP2-224-003/004 by 20.
Decrease the value of SP2-224-005/006 by 10.
Print the image.
Is the printed image acceptable?
Yes: Go to next step.
No: Go to step 9
Is it possible to decrease the screen ruling?
Yes: Go to next step.
No: No applicable measures.
For halftone mode of the printer, change the screen ruling to a value lower than the current setting. The image may become rougher as a side effect.
If there is no improvement after following the above Solution.
The problem can be avoided by adjusting the paper feed interval. (However, this will decrease productivity.)
In Custom Paper Settings > Paper Feed Interval Setting: (No.129/130), decrease the paper feed interval by 25%.
Print the image.
Is the printed image acceptable?
Yes: Finish
No: Go to step 1.
After taking the above measures, do the color calibration adjustment of the external controller.
The applicable numbers for the items in the “Custom Paper Settings” vary depending on the printing mode of the machine. Refer to Applied Setting Items for Custom Paper Setting about which number you need to adjust.