2.Copier-specific Adjustments
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(3) Select [05 ADJUSTMENT MODE]. Change the setting values for codes [7811], [7812], [7816] and
[7817] to adjust the black header density level.
• Set the value in increments of approximately 1, while checking the copy image until the optimum
value is obtained.
• For the User custom mode, refer to "2.19 To Program Frequently Used Copy Settings (To use
Custom Mode)".
• When a larger value is set, the dark portion in a photo may be blurred.
After adjusting the level of black headline text, copy and check the copy image quality.
If further image quality adjustment is necessary, the service technician must perform the next step.
(4) Select [05 ADJUSTMENT MODE] and change the setting values for the codes from [7975], [7976],
[7983] and [7987] to adjust the density of the black.
• Set the value in increments of approximately 10, while checking the copy image until the optimum
value is obtained.
• The setting value “25” corresponds to one step in the adjustment on the control panel.
• The subcode varies according to the area where the density is adjusted. Refer to the table below
and set the subcode for the area to be adjusted.
Caution after the adjustment
The adjustment may possibly cause the highly or deeply colored area, such as in a photo, to become
blurred on the copy. Also, it may also cause offset failure, grained images and degradation in gradation.
Therefore, carefully perform the adjustment, while checking the copy image.
Color mode Original mode [05] code Recommended value
Acceptable
value range
Default
Full color /
Auto color
Text/Photo 05-7811 Set a value larger than 3.
0 to 8 0
Text 05-7812 Set a value larger than 4.
User Custom 05-7816
When the base original
mode is Text or Map: Set a
value larger than 4.
When the base original
mode is Text/Photo, Printed
Image or Photo: Set a value
larger than 3.
Red Seal Color 05-7817 Set a value larger than 3.
Color to
adjust
Original mode [05] code Subcode
Recommended
value
Acceptable
value range
Default
K (Black)
Text/Photo 05-7975
0/1/2
Set a value
larger than 128.
0 to 255 128
Tex t 05- 79 76
User Custom 05-7983
Red Seal Color 05-7987
Subcode Area where the density is adjusted
0 Low density area
1 Middle density area
2 High density area
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