Sharp MX-4110N Installation Manual page 15

Display/
Item
MAIN F C Registration adjustment value main scanning
direction (Cyan laser writing position F side)
M Registration adjustment value main scanning
direction (Magenta laser writing position F side)
Y Registration adjustment value main scanning
direction (Yellow laser writing position F side)
MAIN R C Registration adjustment value main scanning
direction (Cyan laser writing position R side)
M Registration adjustment value main scanning
direction (Magenta laser writing position R side)
Y Registration adjustment value main scanning
direction (Yellow laser writing position R side)
SUB C Registration adjustment value sub scanning direction
(Cyan drum  Black drum)
M Registration adjustment value sub scanning direction
(Magenta drum  Black drum)
Y Registration adjustment value sub scanning direction
(Yellow drum  Black drum)
SKEW C Print skew amount calculation result (Cyan)
M Print skew amount calculation result (Magenta)
Y Print skew amount calculation result (Yellow)
PHASE OPC drum phase adjustment value
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),
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.
* "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.
Example:
If 105 for this time and 103 for the previous time,
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
Content
MX-5111N MX-4110N/5110N/4111N/5111N/4112N/5112N (MAIN UNIT) 2 – 8
Display Default
1.0 - 199.0 100
1.0 - 199.0 100
1.0 - 199.0 100
1.0 - 199.0 100
1.0 - 199.0 100
1.0 - 199.0 100
1.0 - 199.0 100
1.0 - 199.0 100
1.0 - 199.0 100
-99.9 - 99.9 0 If the value is positive (+), "L" is displayed at the head of the
value. If negative (–), "R" is displayed.
-99.9 - 99.9 0
If the value is in the range of –2.1 - +2.1, "(OK)" is displayed at
-99.9 - 99.9 0
the bottom of the value. In the other cases, "(NG)" is displayed.
1 - 8 1
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.
Y
NOTE: When an abnormality occurs, "ERROR" is displayed.
In this case, check each drive section and the process sec-
tion.
NOTE
M
C