Xerox WorkCentre Pro 423 Service Manual

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WorkCentre Pro 423/428 2-156 CHAPTER 2 TROUBLESHOOTING03/02 How to use the Diagnostic C/E Mode2.4.9.4 Test PrintChain Function Item Min.valueDefault Max.valueAmount ofChange Adjustment Remarks23 1 Analog ASIC Test Print 3X3 Photo Output (600dpi) - - - -23 6 IPS Test Print: Grid+Slant (1dot) Error Diffusion Output (600dpi) - - - -23 7 IPS Test Print: Grid+Slant (4dot) Error Diffusion Output (600dpi) - - - -23 8 IPS Test Print: Continuous gradation in the fast scan (256gradations) 3X3 Photo Output (600dpi)- - - -23 9 IPS Test Print: Continuous gradation in the slow scan (256gradations) 3X3 Photo Output (600dpi)- - - -23 10 IOT Test Print: Solid blank (600dpi)23 11 IOT Test Print: Solid black (600dpi) - - - -23 12 IOT Test Print Grating form (1dot) (600dpi) - - - -23 13 IOT Test Print Grating form (4dot) (600dpi) - - - -23 14 IOT Test Print Grating+Slanting form (1dot) (600dpi) - - - -23 15 IOT Test Print Grating+Slanting form (4dot) (600dpi) - - - -23 20 IOT Test Print Black-and-White Horizontal Striped Pattern (600dpi) - - - - Alternate output of all-black and all-white patterns at80 mm intervals in the slow direction23 21 Normal pattern of continuous gradation in fast scan line (256gradations) (600dpi)- - - - Lighting position control PM.SEL=0123 22 Dark pattern of continuous gradation in fast scan line (256gradations) (600dpi)- - - - Lighting position control PM.SEL=0023 23 Normal pattern of continuous gradation in slow scan line (256gradations) (600dpi)- - - - Lighting position control PM.SEL=0123 24 Dark pattern of continuous gradation in slow scan line (256gradations) (600dpi)- - - - Lighting position control PM.SEL=0023 25 Normal pattern of continuous gradation in fast scan line (64gradations) (600dpi)- - - - Lighting position control PM.SEL=0123 26 Dark pattern of continuous gradation in fast scan line (64gradations) (600dpi)- - - - Lighting position control PM.SEL=0023 27 Normal pattern of continuous gradation in slow scan line (64gradations) (600dpi)- - - - Lighting position control PM.SEL=0123 28 Dark pattern of continuous gradation in slow scan line (64gradations) (600dpi)- - - - Lighting position control PM.SEL=0023 29 Fixed Pattern (600dpi) - - - - NVM adjustment of darkness and lighting position23 30 Paper Feed Alignment Pattern (600dpi) - - - - NVM adjustment of darkness and image registration