Sharp AR-M350N Service Manual page 161

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When the print line is shifted toward a from the paper center, decrease
the value.
When the print line is shifted toward b from the paper center, increase
the value.
C. Self print lead edge adjustment
This adjustment is performed in the following cases:
•When the print start position is improper.
(Check with the self print pattern "1".)
•When the LSU is replaced.
Before executing this adjustment, the following adjustments must have
been completed.
•LSU right-angle adjustment
•Print magnification ratio adjustment
After completion of this adjustment, the following adjustment must be
performed.
•Void area adjustment
1) Hold and push the [MENU] key and the [OK] key, turn on the power.
("PCU DIAG MODE ***" is displayed.)
*
Do not touch the keys for about 8sec after releasing fingers from
the above keys.
2) Push the [MENU] key several times until "TEST PRINT" is displayed,
and push the [OK] key to enter the test print mode.
3) Make a print with "1".
4) Push the [MENU] key several times until LEAD EDGE is displayed,
and push the [OK] key.
5) Check the print and use [
EDGE so that the distance shown in the figure below is within the
specified range.
6) Check that the print lead edge is within the specified range.
<Specification>
Set position
Self print lead
Print start
edge adjustment
position A of the
(LEAD EDGE)
output pattern 1
To increase the print lead edge, decrease the set value with [
To decrease the print lead edge, increase the set value with [
[Output pattern]
)
] or [
] key to adjust the value LEAD
Specification
Set value
A = 4.0mm or less
Shift of
(FR total: 8.0mm or
0.175mm
less)
(35ppm) /
0.225mm
(45ppm) for
set value 1.
] key.
] key.
AR-P350 ADJUSTMENTS-4
D. Void area adjustment
This adjustment is performed in the following cases:
•When the print start position is improper.
(Check with the self print pattern "71".)
•When the LSU is replaced.
Before executing this adjustment, the following adjustments must have
been completed.
•LSU right-angle adjustment
•Print magnification ratio adjustment
•Print off-center adjustment
1) Hold and push the [MENU] key and the [OK] key, turn on the power.
("PCU DIAG MODE ***" is displayed.)
*
Do not touch the keys for about 8sec after releasing fingers from
the above keys.
2) Push the [MENU] key several times until "TEST PRINT" is displayed,
and push the [OK] key to enter the test print mode.
3) Make a print with "71".
4) Push the [MENU] key several times until LEAD EDGE VOID is
displayed, and push the [OK] key.
5) Check the print and use [
EDGE VOID so that the distance A shown in the figure below is
within the specified range.
6) Push the [MENU] key several times until TAIL EDGE VOID is
displayed, and push the [OK] key to make a self print.
7) Check the self print and use [
TAIL EDGE VOID so that the distance B in the figure below is within
the specified range.
8) Push the [MENU] key several times to display SIDE EDGE VOID,
and push the [OK] key to make a self print.
9) Check the self print and use [
SIDE EDGE VOID so that the total of distances C ands D in the
figure below is within the specified range.
10) Check that the lead edge is within the specified range.
<Specification>
Measuring
point
Lead edge void
Output pattern
adjustment
71 print void A
(LEAD EDGE VOID)
Rear edge void
Output pattern
adjustment
71 print void B
(TAIL EDGE VOID)
Side edge void
Output pattern
adjustment
71 print void
(SIDE EDGE VOID)
C-D
To decrease the void quantity, decrease the set value with [
To increase the void quantity, increase the set value with [
)
+
Print lead edge
,
)
] or [
] key to adjust the value LEAD
] or [
] key to adjust the value of
] or [
] key to adjust the value of
Specification
Set value
A = 4.0mm or less
Shift of
(Total of A and B =
0.1 mm for
8.0mm or less)
set value
1.
B = 4.0mm or less
(Total of A and B =
8.0mm or less)
Total of C and D =
8.0mm or less
] key.
] key.
*
*
+
+
,
*

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