Read Sharp MX-4110N / MX-4111N / MX-4112N / MX-4110FN / MX-4111FN / MX-5110N / MX-5111N / MX-5112N / MX-5110FN / MX-5111FN (serv.man12) Service Manual online
MX-5111N MX-4110N/5110N/4111N/5111N/4112N/5112N (MAIN UNIT) 2 – 8
4)
Write down the displayed skew level.
(Meaning of the skew level value and the adjustment proce-
dure)
* If "OK" is displayed for all items of C, M, and Y (SKEW),
(Meaning of the skew level value and the adjustment proce-
dure)
* If "OK" is displayed for all items of C, M, and Y (SKEW),
there is no need to perform the adjustment.
* When "R" is displayed at the head of the value, turn the LSU
skew adjustment screw clockwise.
* When "L" is displayed at the head of the value, turn the LSU
skew adjustment screw counterclockwise.
* The turning amount of the adjustment screw corresponds to
each adjustment value. C, M, and Y indicate numbers of
clicks.
The display value is rounded at the decimal point.
clicks.
The display value is rounded at the decimal point.
* "C, M, and Y(SKEW)" shows the number of adjustment click
steps for each adjustment screw of C, M, and Y.
Contents in ( )
MIAN, SUB: Difference from the previous adjustment value of
image registration.
MIAN, SUB: Difference from the previous adjustment value of
image registration.
Example:
If 105 for this time and 103 for the previous time,
it is displayed as 105.0 (+2.0).
it is displayed as 105.0 (+2.0).
SKEW: Judgment of the LSU skew adjustment result. OK or
NG.
PHASE: OPC drum phase adjustment value of the previous
time
NG.
PHASE: OPC drum phase adjustment value of the previous
time
5)
Repeat the procedures 2) to 4) again, and check to confirm
that C, M, and Y (SKEW) are OK.
If any of them is NG, turn the LSU skew adjustment screw of
the corresponding color to adjust.
that C, M, and Y (SKEW) are OK.
If any of them is NG, turn the LSU skew adjustment screw of
the corresponding color to adjust.
NOTE: When an abnormality occurs, "ERROR" is displayed.
In this case, check each drive section and the process sec-
tion.
tion.
Display/
Item
Content
Display
Default
NOTE
MAIN F
C
Registration adjustment value main scanning
direction (Cyan laser writing position F side)
direction (Cyan laser writing position F side)
1.0 - 199.0
100
M
Registration adjustment value main scanning
direction (Magenta laser writing position F side)
direction (Magenta laser writing position F side)
1.0 - 199.0
100
Y
Registration adjustment value main scanning
direction (Yellow laser writing position F side)
direction (Yellow laser writing position F side)
1.0 - 199.0
100
MAIN R
C
Registration adjustment value main scanning
direction (Cyan laser writing position R side)
direction (Cyan laser writing position R side)
1.0 - 199.0
100
M
Registration adjustment value main scanning
direction (Magenta laser writing position R side)
direction (Magenta laser writing position R side)
1.0 - 199.0
100
Y
Registration adjustment value main scanning
direction (Yellow laser writing position R side)
direction (Yellow laser writing position R side)
1.0 - 199.0
100
SUB
C
Registration adjustment value sub scanning direction
(Cyan drum
(Cyan drum
Black drum)
1.0 - 199.0
100
M
Registration adjustment value sub scanning direction
(Magenta drum
(Magenta drum
Black drum)
1.0 - 199.0
100
Y
Registration adjustment value sub scanning direction
(Yellow drum
(Yellow drum
Black drum)
1.0 - 199.0
100
SKEW
C
Print skew amount calculation result (Cyan)
-99.9 - 99.9
0
If the value is positive (+), "L" is displayed at the head of the
value. If negative (–), "R" is displayed.
If the value is in the range of –2.1 - +2.1, "(OK)" is displayed at
the bottom of the value. In the other cases, "(NG)" is displayed.
value. If negative (–), "R" is displayed.
If the value is in the range of –2.1 - +2.1, "(OK)" is displayed at
the bottom of the value. In the other cases, "(NG)" is displayed.
M
Print skew amount calculation result (Magenta)
-99.9 - 99.9
0
Y
Print skew amount calculation result (Yellow)
-99.9 - 99.9
0
PHASE
OPC drum phase adjustment value
1 - 8
1
C
Y
M
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