2.Copier-specific Adjustments
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(4) Select [05 ADJUSTMENT MODE]. Change the values for codes [7190] to [7192], [7187], [7189] and
[7193] to adjust the gamma balance in each of the low and middle density area.
• Set the value in increments of approximately 20, while checking the copy image until the optimum
value is obtained. (Note that gradations (density level) in the middle and high density areas may
be reversed with some setting values.)
• Since the subcode varies according to the area where the density is adjusted, refer to the table
below and set the appropriate subcode. Remember that mainly adjusting the low or middle
density area will change the copy density of the images seen through the back of the page.
Adjusting the subcode 2 will allow you to adjust the high density area. But this will not solve the
problem. Therefore, never change the value for the high density area
.
Caution after the adjustment
The adjustment may possibly cause text handwritten with a pencil or light text to become illegible on the
copy. Therefore, carefully perform the adjustment, while checking the copy image.
Remarks
Enter a value within the recommended value range mentioned in the procedures. Otherwise, it may
cause a loss in MFP performance, including degradation in the image quality and a reduction in the life of
the consumables.
Original
mode
[05] code Subcode Recommended value
Acceptable
value range
Default
Text/Photo 05-7190 0/1
Set a value smaller than
128.
0 to 255 128
Text 05-7191 0/1
Photo 05-7192 0/1
Drop Out Color 05-7187 0/1
User Custom 05-7189 0/1
Gray-Scale 05-7193 0/1
Subcode Area where the density is adjusted
0 Low density area
1 Middle density area
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