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2. Copier-specific Adjustments
(5) Enter adjustment mode [05]. Change the values for codes [7190] to [7192] to adjust the gamma balance in
each of the low- and medium-density area.
Original mode [05] code Subcode
Recommended
value
Accept
able
value
range
Default
Text/Photo 05-7190 0/1
Text 05-7191 0/1
Photo 05-7192 0/1
Set a value smaller than
128.
0 to 255 128
* 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 medium- 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 medium-density area will change
the copy density of the images seen through the back of the page. Setting "2" for the subcode 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.
Subcode Area where the density is adjusted
0 Low-density area
1 Medium-density area
‰ Precautions after the completion of 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.