Sharp MX-C250 Service Manual page 125

The adjustment pattern is printed out. Check it for any abnor-
mality.
4) Press [OK]/[START] key.
The list of the adjustment items (for each dither) is displayed.
5) Select an adjustment item (for each dither).
6) Press [OK]/[START] key. (A4 or 11" x 8.5" paper is automatically
selected.)
The color patch image (adjustment pattern) is printed out.
7) Set the color patch image (adjustment pattern) printed in the
procedure 6) on the document table so that the thin lines on the
printed color patch image (adjustment pattern) are on the left
side. Place 5 sheets of white paper on the printed color patch
image (adjustment pattern).
8) Press [OK]/[START] key.
The color balance adjustment is automatically performed.
The adjustment pattern is printed out. Check it for any abnor-
mality.
9) When [OK]/[START] key is pressed, the adjustment result is
registered and the adjustment mode is terminated. When [EXE-
CUTE] key is pressed, the adjustment result is registered and
the screen is shifted to the other item (Mode/Image) select
menu.
To execute the adjustment of the other item (Mode/Image),
press [EXECUTE] key.
After completion of all the adjustments of the items (Mode/
Image), press [OK]/[START] key, and the adjustment results
are registered.
10)Make a copy, and check the copy image quality.
48
48-1
Adjustment
Purpose
Function (Purpose) Used to adjust the scan image magnifica-
tion ratio (in the main scanning direction
and the sub scanning direction).
Section
Operation/Procedure
1) Enter the set value with 10 keys.
2) Press [OK]/[START] key.
The set value in step 1) is saved.
When the adjustment value is increased, the image magnification
ratio is increased.
A change of "1" in the adjustment value of item 1, 3, or 5 corre-
sponds to a change of about 0.02% in the copy magnification ratio.
A change of "1" in the adjustment value of item 2, 4, or 6 corre-
sponds to a change of about 0.1% in the copy magnification ratio.
Item/Display
SCAN main scanning mag-
1 CCD (MAIN) nification ratio adjustment
(CCD)
SCAN sub scanning magni-
2 CCD (SUB) fication ratio adjustment
(CCD)
RSPF document front sur-
3 SPF (MAIN) face magnification ratio
(Main scan)
RSPF document front sur-
4 SPF (SUB) face magnification ratio
(Sub scan)
RSPF document back sur-
5 SPFB (MAIN) face magnification ratio
(Main scan)
Set-
Default
Content ting
value
range
1 - 99
1 - 99
1 - 99
1 - 99
1 - 99
MX-C250 SIMULATION 6 – 48
Item/Display
6 SPFB (SUB)
48-6
Purpose
Function (Purpose) Used to adjust the rotation speed of each
Section
Operation/Procedure
1) Select an item to be set with Arrow keys.
2) Enter the set value with 10 keys.
3) Press [OK]/[START] key.
The set value in step 2) is saved.
When the adjustment value is increased, the speed is increased,
and vice versa. A change of 1 in the adjustment value corresponds
to a change of about 0.1% in the speed.
Item/Display
FUM
DVM
COLOR
DM
C2MM
FUM
MONO
DM
FUM
HEAVY DVM
DM
49
49-1
Purpose
Function (Purpose) Used to perform the firmware update.
Section
Operation/Procedure
1) Save the firmware to the USB flash drive.
2) Insert the USB flash drive into the main unit.
3) Select a target firmware file for update.
Press Arrow key to select all the Firmware collectively.
4) Press [OK]/[START] key.
5) Press [OK]/[START] key.
The selected firmware is updated.
When the operation normally completed, "COMPLETE" is dis-
played. When terminated abnormally, "ERROR" is displayed.
50
50
50
50
50
Content
RSPF document back sur-
face magnification ratio
(Sub scan)
Adjustment
motor.
Content
Drum motor correction value
Drum motor correction value
Drum motor correction value
2CStransport motor correction value
Fusing motor correction value
Drum motor correction value
Drum motor correction value
Drum motor correction value
Drum motor correction value
Set-
Default
ting
value
range
1 - 99 50
Defa
Min Max
ult
1 99 56
1 99 56
1 99 56
1 99 56
1 99 56
1 99 56
1 99 59
1 99 56
1 99 56