Chapter 1414-314.2.3 Selecting the Test Print TYPE 0013-4602imagePRESS C1 P / imagePRESS C1 / imagePRESS C1+ (Printer) / imagePRESS C1+1) Set number of prints and paper size.2) Select the followings in service mode:COPIER > TEST > PG3) Make the following selections:COPIER > TEST > PG > TYPE4) Enter TYPE number by the numeric keypad, and then press OK key.5) Select the color in question (output by '1') in COLOR-Y/M/C/K.6) Set density in DENS-Y/M/C/K (effective only for TYPE=5).7) Press start key.14.2.4 16-Gradation (TYPE=4) 0013-4603imagePRESS C1 P / imagePRESS C1 / imagePRESS C1+ (Printer) / imagePRESS C1+This test print can mainly check gradation performance, image fogging, white line, and density unevenness at the rear/front.(1) GradationIf there is no 16-step density gradation, it may be caused by fault of drum unit or laser scanning system.(2) Foggy imageIf there is foggy image only at the white area as shown in the figure below, it may be caused by fault of drum unit or laser scanning system.(3) Vertical white/black lineIf there is white line in the image, it may be caused by fault of developing system.(4) Density unevenness at the rear/frontIf there is density unevenness at the rear/front, it may be caused by fault of drum unit, laser scanning system or transfer unit.F-14-114.2.5 Full Area Half Tone (TYPE=5) 0013-4604imagePRESS C1 P / imagePRESS C1 / imagePRESS C1+ (Printer) / imagePRESS C1+This test print can mainly check transfer failure, black line, white line, and pitch unevenness.MEMO:(1) Output by every developing color is available by specifying the developing color COLOR-Y/M/C/K in the following service mode: COPIER>TEST>PG(2) In the case of changing density of the test print, execute followings in service mode for density setting: TEST>PG>DENS-Y/M/C/K(1) Transfer failureIf there is transfer failure, it may be caused by fault of transfer (intermediate transfer/secondary transfer) unit.5 full area half tone6 grid7-9 - (for R&D)10 MCYBk horizontal stripes (sub scanning direction)11 - (for R&D)12 64-gradation13 - (for R&D)14 full color 16-gradation15-100 - (for R&D)TYPE NO. description16-Gradation
