Chapter 1616-19F-16-16T-16-18T-16-19T-16-20COPIER > ADJUST > CCDSub-item Desciption LevelMTF-MG Entering a main-scan MTF correction value1 0 to 99 (Default: 0)- If the CIS unit has been replaced, enter the value from the label affixed to the CISunit.- If RAM on the reader controller circuit board has been cleared or the board itself hasbeen replaced, enter the value from the service label.- If the setting of this item has been changed, enter the new value into the service label.MTF-SG Not used 1DFTAR-R Entering a shading target value (red) when DF is in use (Ordinary document readposition)1 1 to 2047 (Default: 1106)If an image error (attributable to a dirty chart or other) has occurred after the executionof COPIER>FUNCTION>DF-WLVL1/DF-WLVL2, enter factory measurement datain this mode.DFTAR2-R Entering a shading target value (red) when DF is in use (Secondary document readposition)1 1 to 2047 (Default: 1138)If an image error (attributable to a dirty chart or other) has occurred after the executionof COPIER>FUNCTION>DF-WLVL2, enter factory measurement data in this mode.SH-TRGT Entry of a white level target value at the time of shading correction11 to 2046 Default: 1070As a remedy in the field, a shade on an image occurring when a folded/creaseddocument is read is lessened.COPIER > ADJUST > LASERSub-item Description LevelLA-OFF Adjusting the rear-end laser OFF position1 -128 to 127 (Default: 0)If RAM on the DC controller circuit board has been cleared or the board itself hasbeen replaced, enter the value from the service label.LA-DELAY Entering a delay value after laser unit displacement (Matching the laser main scan)1 360 to 440Enter the delay value peculiar to the unit affixed to the unit at laser unitreplacement.POWER Adjusting the laser power1 -128 to 127 (Default: 0)If RAM on the DC controller circuit board has been cleared or the board itself hasbeen replaced, enter the value from the service label.COPIER > ADJUST > DEVELOPSub-item Description LevelDE-OFST Entering an offset value for the developing bias DC1 -128 to 127 (Default: 0)Setting a greater value increases the density.OriginalRead start positionDecrease the setting(so that the read startposition moves toward the rear).Increase the setting(so that the readstart position movestoward the front).