Read Sharp AR-C260 (serv.man11) Service Manual online
AR-C260/C260M SETTING AND ADJUSTMENTS 8 - 10
• Image registration adjustment pattern
C1 = CYAN MAIN
C2 = CYAN SUB
M1 = MAGENTA MAIN
M2 = MAGENTA SUB
Y1 = YELLOW MAIN
Y2 = YELLOW SUB
6) Check the rough adjustment print pattern position and the fine
adjustment print pattern position of each color on the front and the
rear frame sides.
rear frame sides.
Check visually and use the highest-density area of each color as
the center, and regard it as the reading value of shift.
the center, and regard it as the reading value of shift.
(If the fine adjustment print pattern is in the range of 0 ± 2 for the
scale of the fine adjustment reference pattern, there is no need to
adjust.)
scale of the fine adjustment reference pattern, there is no need to
adjust.)
If the adjustment is not completed with a satisfactory result, try the
manual adjustment.
manual adjustment.
∗
A
∗
C
∗
A
∗
A
∗
A
∗
A
∗
A
∗
C
∗
C
∗
C
∗
C
∗
C
∗
A: Rough adjustment
pattern
∗
B: Fine adjustment
pattern
∗
C: Adjustment range
(0 ± 2)
Main scanning direction
image resist
image resist
Rough adjustment section
Fine adjustment section
Sub scanning
direction
adjustment pattern
direction
adjustment pattern
Main scanning
direction
adjustment pattern
direction
adjustment pattern
Yellow
section
section
Magenta
section
section
Sub scanning direction
image resist
image resist
Cyan
section
section
Main scanning direction
image resist
image resist
Sub scanning direction
image resist
image resist
Main scanning direction
image resist
image resist
Sub scanning direction
image resist
image resist
Rough adjustment
print pattern check:
print pattern check:
Check that the rough adjustment print pattern
is at the center for the rough adjustment ref-
erence pattern.
is at the center for the rough adjustment ref-
erence pattern.
Fine adjustment
print pattern check:
print pattern check:
Check that the fine adjustment print pattern is
at the center for the fine adjustment refer-
ence pattern.
at the center for the fine adjustment refer-
ence pattern.
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