- 61 -Table of Setting Items in the Control Panel Menu Screenz Shaded areas are factory-set values.Item Value DescriptionBG Setting Cyan 0+1+2+3-3-2-1Compensates for print results variation due to differencesin the temperature and humidity, using cyan. Lower thesetting value if the underlay is dark.* Continued use with the setting value lowered has a riskof printing stains.Magenta 0+1+2+3-3-2-1Compensates for print results variation due to differencesin the temperature and humidity, using magenta. Lowerthe setting value if the underlay is dark.* Continued use with the setting value lowered has a riskof printing stains.Yellow 0+1+2+3-3-2-1Compensates for print results variation due to differencesin the temperature and humidity, using yellow. Lower thesetting value if the underlay is dark.* Continued use with the setting value lowered has a riskof printing stains.Black 0+1+2+3-3-2-1Compensates for print results variation due to differencesin the temperature and humidity, using black. Lower thesetting value if the underlay is dark.* Continued use with the setting value lowered has a riskof printing stains.White*1 0+1+2+3-3-2-1Compensates for print results variation due to differencesin the temperature and humidity, using white. Lower thesetting value if the underlay is dark.* Continued use with the setting value lowered has a riskof printing stains.Drum Cleaning OnOffSets whether to implement drum cleaning beforeprinting. The image quality may be improved.Transfer Roller Cleaning Execute Implements cleaning of the 2nd transfer roller unit.*1: Displayed with Pro1050 only.