Read Sharp MX-6240N / MX-7040N (serv.man17) Service Manual online
MX-7040N ADJUSTMENTS AND SETTINGS 5 – 45
6) Check the color balance and density.
(Refer to the item of the copy color balance and density
check.)
check.)
7) Use SIM44-26 to execute the halftone image correction.
(Forcible execution)
Enter the SIM44-26 mode and press [EXECUTE] key.
[EXECUTE] key is highlighted and the operation is started.
Enter the SIM44-26 mode and press [EXECUTE] key.
[EXECUTE] key is highlighted and the operation is started.
It takes several minutes to complete the operation. After com-
pletion of the operation, "COMPLETE" is displayed.
pletion of the operation, "COMPLETE" is displayed.
(Normal end (Auto transition))
(Abnormal end (Auto transition))
After completion of the operation, the simulation is canceled.
8) Use the servicing color test chart (UKOG-0326FCZZ/UKOG-
0326FC11) in the Text/Photo mode (Manual) to check the copy
color balance and density. (Refer to the item of the copy color
balance and density check.)
If the copy color balance and density are not satisfactory, per-
form the following procedures.
color balance and density. (Refer to the item of the copy color
balance and density check.)
If the copy color balance and density are not satisfactory, per-
form the following procedures.
9) Execute the initial setting of the halftone image correction.
(SIM 44-21)
10) Execute the halftone image correction. (Forcible execution)
(SIM44-26)
11) Use the servicing color test chart (UKOG-0317FCZZ/UKOG-
0317FC11) in the Text/Printed Photo mode (Manual) to check
the copy color balance/density. (Refer to the item of the copy
color balance and density check.)
the copy color balance/density. (Refer to the item of the copy
color balance and density check.)
Though the above procedures 9) - 11) are performed, the copy
color balance and density are not in the specified range, there may
be another cause.
Troubleshoot the cause, repair or perform necessary works, and
repeat the adjustment from the beginning.
When satisfactory color balance and density are not obtained from
the automatic adjustment by selecting the factory target in proce-
dure 4), change the factory color balance target with SIM 63-11 and
repeat the procedures from 1).
If a satisfactory result on the color balance and the density is not
obtained with the automatic adjustment, execute the manual
adjustment (SIM 46-21) (ADJ9C (2)).
Also when the service target is selected in procedure 7) to execute
the automatic adjustment and a satisfactory result is not obtained,
perform the manual color balance adjustment (ADJ9C(2)).
color balance and density are not in the specified range, there may
be another cause.
Troubleshoot the cause, repair or perform necessary works, and
repeat the adjustment from the beginning.
When satisfactory color balance and density are not obtained from
the automatic adjustment by selecting the factory target in proce-
dure 4), change the factory color balance target with SIM 63-11 and
repeat the procedures from 1).
If a satisfactory result on the color balance and the density is not
obtained with the automatic adjustment, execute the manual
adjustment (SIM 46-21) (ADJ9C (2)).
Also when the service target is selected in procedure 7) to execute
the automatic adjustment and a satisfactory result is not obtained,
perform the manual color balance adjustment (ADJ9C(2)).
If the color balance or density is not in the satisfactory level even
after execution of the automatic and manual adjustments, there
may be another cause.
Troubleshoot the cause, repair or perform necessary works, and
repeat the adjustment from the beginning.
after execution of the automatic and manual adjustments, there
may be another cause.
Troubleshoot the cause, repair or perform necessary works, and
repeat the adjustment from the beginning.
9-C
(2)
Copy color balance and density adjustment
(Manual adjustment)
Copy color balance and density adjustment
(Manual adjustment)
a. General
The color balance adjustment (Manual adjustment) is used to
adjust the copy density of CMYK. This is used at the following situ-
ation. When the result of auto adjustment described above is not
existing within the range of reference. When a fine adjustment is
required. When there is request from the user for changing (cus-
tomizing) the color balance.
This manual adjustment is executed only for the color patch which
could not adjusted properly in the automatic adjustment.
If the color balance is improper, execute the automatic color bal-
ance adjustment in advance, and execute this adjustment for better
efficiency.
The color balance adjustment (Manual adjustment) is used to
adjust the copy density of CMYK. This is used at the following situ-
ation. When the result of auto adjustment described above is not
existing within the range of reference. When a fine adjustment is
required. When there is request from the user for changing (cus-
tomizing) the color balance.
This manual adjustment is executed only for the color patch which
could not adjusted properly in the automatic adjustment.
If the color balance is improper, execute the automatic color bal-
ance adjustment in advance, and execute this adjustment for better
efficiency.
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