Sharp MX-4100N Service Manual page 99

c. Adjustment procedure
(Auto color balance adjustment by the serviceman)
Copy color balance and density adjustment (Automatic adjustment)
(SIM46-24) procedure flowchart
Execute ADJ20B Copy color balance and density adjustment
(automatic density).
Enter the SIM46-24 mode, and select A4 (11 x 17) paper.
(Automatic selection)
Press [EXECUTE] key. (The adjustment pattern is printed.)
Set the adjustment pattern on the document table. Select the factory
target or the service target, and press [EXECUTE] key.
(The adjustment pattern is scanned, and the adjustment is automati-
cally performed to print the check pattern.) (*1)
Check the printed check pattern for any streaks or unclear copy. (*4)
Press [OK] key, and the initial setting of the half tone image correction
is automatically performed.
Check the color balance and density adjustment result.
Use the test chart (UKOG-0317FCZZ/UKOG-0317FC11) to make a
copy in the Text/Printed Photo mode, and check the copy color bal-
ance and density.
Use SIM46-21 to print the color balance check pattern, and check the
patch color balance and density in the process gray. (If the color bal-
ance is slightly shifted to Magenta, it is properly adjusted.)
Check that the initial setting of the half tone image correction was properly
performed. (*3)
Execute the initial setting of the half tone image correction.
(SIM44-21)
Use the test chart (UKOG-0317FCZZ/UKOG-0317FC11)
to make a copy in the Text/Printed Photo mode, and check
the color balance and density.
NO
Start
Cancel SIM46-24
Are the color balance and den-
sity at the satisfactory level?
YES
Execute the half tone image correction. (SIM44-26)
Are the color balance and den-
sity at the satisfactory level?
YES
End
MX-5001N ADJUSTMENTS 5 – 57
Automatic color balance target change
Change the factory color balance and
density target which is available in 3
kinds. (SIM63-11)
NO
Execute ADJ20C (Manual copy color balance
and density adjustment). (SIM46-21/44-21).
(*2)
*1:
When the copy color balance and density are
customized and registered as the service
target, select the service target.
*2:
If satisfactory color balance and density are
not obtained with ADJ20C (Manual copy
color balance and density adjustment)
(SIM46-21/44-21), check the print engine for
any problems.
*3:
If the initial setting of the half tone image
correction is not properly made, satisfactory
color balance and density cannot be
obtained. In this case, check the print engine
for any problems.
*4:
If there is any streak or unclear copy on the
printed check pattern, check the print engine
for any problems.
NO
Though the factory
color balance and
density target (available
in 3 kinds) is changed,
satisfactory color balance
and density are not obtain-
ed (SIM63-11), or the
service target is
selected.
YES