Read Sharp MX-4100N / MX-4101N / MX-5000N / MX-5001N (serv.man13) Service Manual online
MX-4101N ADJUSTMENTS 5 – 87
1)
Enter the SIM 67-25 mode.
2)
Press [EXECUTE] key. (A3 or 11" x 17" paper is automatically
selected.)
The color balance adjustment pattern is printed.
selected.)
The color balance adjustment pattern is printed.
3)
Check that the following specification is satisfied or the color
balance is satisfactory.
If not, execute the following procedures.
balance is satisfactory.
If not, execute the following procedures.
The print density must be changed gradually from the lighter
level to the darker level. The density changing direction must
not be reversed.
The density level of each color must be almost at the same
level.
Patch B may not be copied.
Patch A must not be copied.
When, however, the color balance is adjusted according to a
request from the user, there is no need to set to the standard
color balance stated above.
If the color balance of each patch of the process black (CMY
mixed color) is slightly shifted to Magenta, it means that the
adjustment is proper. In an actual print mode, it is converted
into the natural gray color balance by the color table. (When
the color balance target is DEF 1.)
level to the darker level. The density changing direction must
not be reversed.
The density level of each color must be almost at the same
level.
Patch B may not be copied.
Patch A must not be copied.
When, however, the color balance is adjusted according to a
request from the user, there is no need to set to the standard
color balance stated above.
If the color balance of each patch of the process black (CMY
mixed color) is slightly shifted to Magenta, it means that the
adjustment is proper. In an actual print mode, it is converted
into the natural gray color balance by the color table. (When
the color balance target is DEF 1.)
4)
Select the color to be adjusted with the color select key, and
select the adjustment point with the scroll key.
select the adjustment point with the scroll key.
5)
Enter the adjustment value with 10-key and press [OK] key.
The adjustment value is set in the range of 0 - 255 (1 - 99).
When SIM 67-24 is used to adjust the automatic color balance
and density, all the set values of this simulation are set to 50.
To increase the density, increase the adjustment value. To
decrease the density, decrease the adjustment value.
Repeat procedures of 2) - 5) until the condition of 3) is satis-
fied.
When the overall density is low, or when the density is high
and patch A is copied, use the arrow key to adjust all the
adjustment values of A - Q (MAX) to a same level collectively.
Then, adjust each patch density individually. This is an efficient
way of adjustment.
Referring to the black/gray patches, adjust so that each pro-
cess (CMY) black/gray patch color balance of A - Q (MAX)
approaches the black/gray patch level as far as possible.
The adjustment value is set in the range of 0 - 255 (1 - 99).
When SIM 67-24 is used to adjust the automatic color balance
and density, all the set values of this simulation are set to 50.
To increase the density, increase the adjustment value. To
decrease the density, decrease the adjustment value.
Repeat procedures of 2) - 5) until the condition of 3) is satis-
fied.
When the overall density is low, or when the density is high
and patch A is copied, use the arrow key to adjust all the
adjustment values of A - Q (MAX) to a same level collectively.
Then, adjust each patch density individually. This is an efficient
way of adjustment.
Referring to the black/gray patches, adjust so that each pro-
cess (CMY) black/gray patch color balance of A - Q (MAX)
approaches the black/gray patch level as far as possible.
6)
Cancel SIM 67-25.
EXECUTE
EXECUTE
or end of print
OK
10-key
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CMY
Blend
Blend
High density
Low density
Patch A of each of Y, M, C, and
BK are not copied.
BK are not copied.
2) Patch C or D of each of Y, C, M, and
BK is very slightly copied.
3) Patch for each of C, M, Y, BK
The patch density is identical between patches or not reversed.
The patch density is changed gradually.
The patch density is changed gradually.
1) The max. density section is not blurred.
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