Sharp MX-4100N Service Manual page 251

: Oct. 24 2008
1
50-22
Purpose Adjustment
Function (Purpose) Used to adjust the image registration. (Main
scan direction, sub scan direction) (Auto
adjustment)/OPC drum phase adjustment
(Auto adjustment)
Section
Operation/Procedure
1) Select a target adjustment item with [REGIST] or [DRUM POS]
or [ALL] key.
ALL The image resist adjustment (in the main scanning
direction and the sub scanning direction) and the OPC
drum phase adjustment are automatically performed.
REGIST The image resist adjustment (in the main scanning
direction and the sub scanning direction) is automatically
performed.
DRUM POS The OPC drum phase adjustment (automatic adjustment)
is automatically performed.
Item/Display
ALL REGIST MAIN F
Image (Auto image
registration registration
adjustment/ adjustment)
OPC drum
phase
adjustment
MAIN R
SUB
SKEW
DRUM POS PHASE
(Auto OPC
drum phase
adjustment)
1
*1: The color image skew adjustment is performed according to this display value.
When "R" is displayed in front of the value, turn and click the skew adjustment screw (LSU) clockwise by the value.
When "L" is displayed in front of the value, turn and click the skew adjustment screw (LSU) counterclockwise by the value.
At that time, the values under the decimal point are rounded.
C Image registration adjustment value (Main scanning
direction) (Position of writing by cyan laser is F side)
M Image registration adjustment value (Main scanning
direction) (Position of writing by magenta laser is F side)
Y Image registration adjustment value (Main scanning
direction) (Position of writing by yellow laser is F side)
C Image registration adjustment value (Main scanning
direction) (Position of writing by cyan laser is R side)
M Image registration adjustment value (Main scanning
direction) (Position of writing by magenta laser is R side)
Y Image registration adjustment value (Main scanning
direction) (Position of writing by yellow laser is R side)
C Image registration adjustment value (Sub scanning
direction) (Cyan drum to black drum)
M Image registration adjustment value (Sub scanning
direction) (Magenta drum to cyan drum)
Y Image registration adjustment value (Sub scanning
direction) (Yellow drum to magenta drum)
C Calculated result of print skew amount (Cyan)
M Calculated result of print skew amount (magenta)
Y Calculated result of print skew amount (yellow)
Phase Angle step
0°(1) → 45°(2) → 90°(3) → 135°(4) → 180°(5) → 225°(6)
adjustment
→ 270°(7) → 315°(8)
value BK
→ CL
Phase
adjustment
value C
Phase
adjustment
value M
Phase
adjustment
value Y
MX-5001N SIMULATION 6 – 104
2) Press [EXECUTE] key.
The adjustment is automatically performed, and the adjust-
ment data are displayed.
NOTE: The contents of the following list are mainly used by the
technical division, and are not necessary for the market.
Content Display
Default
NOTE
value
1.0 - 100
199.0
1.0 - 100
199.0
1.0 - 100
199.0
1.0 - 100
199.0
1.0 - 100
199.0
1.0 - 100
199.0
1.0 - 100
199.0
1.0 - 100
199.0
1.0 - 100
199.0
-99.9 - - If the value is plus, R is
99.9 displayed to left side of
numerical value. If the
-99.9 - -
value is minus, L is
99.9
displayed to left side of
-99.9 - -
numerical value.
99.9
When the value is -4 -
+4, "(OK)" is place at
the back of the value.
For the other cases,
"(NG)" is displayed. *1
1 - 8 2 Same item as
SIM44-31.
2 Same item as
SIM44-31.
(50-sheet machine)
4
5